{ "name": "Riverhead, New York", "url": "https://longislandtraffic.com/towns/suffolk/riverhead/", "updated": "2026-09-17", "publisher": "Long Island Traffic (https://longislandtraffic.com)", "methodology": "https://longislandtraffic.com/towns/methodology/", "reuse": "Quote with credit and a link to the page URL above. Underlying federal and state datasets are public records.", "geography": { "slug": "riverhead", "county": "suffolk", "censusName": "Riverhead town", "geoType": "town", "legalStatus": "town", "geoid": "3610361984", "gnisId": "979425", "pop2020": 35902, "housingUnits2020": 16310, "landSqMi": 67.4, "waterSqMi": 133.87, "densityPerSqMi": 533, "internalPoint": [ 40.97404, -72.71472 ], "parentTown": null, "parentTownGeoid": null, "townShares": [] }, "fatalCrashes2010to2024": { "period": "2010–2024", "crashes": 67, "deaths": 67, "pedestrianDeaths": 17, "bicyclistDeaths": 2, "motorcyclistDeaths": 9, "crashesWithDriverBac08": 10, "multiFatalityCrashes": 0, "onLimitedAccessHighways": { "crashes": 3, "deaths": 3 }, "deathsPer100kResidentsPerYear": 12.4, "byYear": [ { "year": 2010, "crashes": 6, "deaths": 6 }, { "year": 2011, "crashes": 3, "deaths": 3 }, { "year": 2012, "crashes": 7, "deaths": 7 }, { "year": 2013, "crashes": 2, "deaths": 2 }, { "year": 2014, "crashes": 4, "deaths": 4 }, { "year": 2015, "crashes": 4, "deaths": 4 }, { "year": 2016, "crashes": 4, "deaths": 4 }, { "year": 2017, "crashes": 1, "deaths": 1 }, { "year": 2018, "crashes": 4, "deaths": 4 }, { "year": 2019, "crashes": 3, "deaths": 3 }, { "year": 2020, "crashes": 4, "deaths": 4 }, { "year": 2021, "crashes": 5, "deaths": 5 }, { "year": 2022, "crashes": 7, "deaths": 7 }, { "year": 2023, "crashes": 5, "deaths": 5 }, { "year": 2024, "crashes": 8, "deaths": 8 } ], "byTimeOfDay": { "known": 67, "morning6to10": 13, "midday10to16": 17, "evening16to20": 17, "night20to6": 20 }, "darkShare": 0.433, "topRoads": [ { "name": "Sound Ave", "slug": null, "crashes": 12, "deaths": 12 }, { "name": "Old Country Road", "slug": null, "crashes": 9, "deaths": 9 }, { "name": "Main Road (NY 25)", "slug": "route-25-jericho-turnpike", "crashes": 9, "deaths": 9 }, { "name": "Middle Country Road (NY 25)", "slug": "route-25-jericho-turnpike", "crashes": 6, "deaths": 6 }, { "name": "Northern Boulevard / Route 25A", "slug": "route-25a-north-shore", "crashes": 5, "deaths": 5 }, { "name": "Long Island Expressway (I-495)", "slug": "lie", "crashes": 3, "deaths": 3 }, { "name": "County Route 105", "slug": null, "crashes": 2, "deaths": 2 }, { "name": "Edwards Ave", "slug": null, "crashes": 2, "deaths": 2 } ], "roadOwnership": { "period": "2015–2024", "crashes": 45, "owners": [ { "owner": "Town or Township Highway Agency", "crashes": 23 }, { "owner": "State Highway Agency", "crashes": 13 }, { "owner": "County Highway Agency", "crashes": 9 } ] } }, "allReportedCrashes": { "years": [ "2021", "2022", "2023", "2024" ], "scope": "town", "municipalityCode": "RIVERHEAD", "label": "Town of Riverhead", "total": 4994, "fatal": 23, "injury": 1381, "propertyDamageOnly": 3590, "byYear": { "2021": 1135, "2022": 1065, "2023": 1332, "2024": 1462 }, "pedestrian": 59, "bicyclist": 54, "deer": 351, "otherAnimal": 80 }, "commute": { "workers16plus": 15612, "commutersNotWorkingFromHome": 14043, "meanTravelMinutes": { "value": 27.5, "moe": 3, "lowReliability": false }, "pct60MinPlus": { "value": 10.5, "moe": 2.1, "lowReliability": false }, "pct90MinPlus": { "value": 3.1, "moe": 1.2, "lowReliability": false }, "pctUnder15Min": { "value": 27.2, "moe": 5.5, "lowReliability": false }, "pctDroveAlone": { "value": 78.1, "moe": 3.2, "lowReliability": false }, "pctCarpooled": { "value": 7.7, "moe": 3.2, "lowReliability": false }, "pctPublicTransit": { "value": 1.4, "moe": 0.9, "lowReliability": true }, "pctCommuterRail": { "value": 0.4, "moe": 0.4, "lowReliability": true }, "pctBus": { "value": 0.2, "moe": 0.3, "lowReliability": true }, "pctWalked": { "value": 1.9, "moe": 1.2, "lowReliability": true }, "pctBicycle": { "value": 0.2, "moe": 0.3, "lowReliability": true }, "pctWorkedFromHome": { "value": 10, "moe": 2.2, "lowReliability": false }, "pctLeaveBefore6am": { "value": 16.5, "moe": 3.3, "lowReliability": false }, "pctLeaveBefore7am": { "value": 30.3, "moe": 4.3, "lowReliability": false }, "households": 14202, "pctNoVehicle": { "value": 6.7, "moe": 2.2, "lowReliability": false }, "pctThreePlusVehicles": { "value": 23.5, "moe": 3.2, "lowReliability": false }, "medianHouseholdIncome": { "value": 94249, "moe": 7223 }, "medianAge": { "value": 52.1, "moe": 2.1 } }, "benchmarks": { "county": { "workers16plus": 766432, "commutersNotWorkingFromHome": 674118, "meanTravelMinutes": { "value": 31.1, "moe": 0.4, "lowReliability": false }, "pct60MinPlus": { "value": 14.1, "moe": 0.4, "lowReliability": false }, "pct90MinPlus": { "value": 6.5, "moe": 0.3, "lowReliability": false }, "pctUnder15Min": { "value": 22.8, "moe": 0.6, "lowReliability": false }, "pctDroveAlone": { "value": 72.1, "moe": 0.4, "lowReliability": false }, "pctCarpooled": { "value": 7.5, "moe": 0.3, "lowReliability": false }, "pctPublicTransit": { "value": 4.8, "moe": 0.2, "lowReliability": false }, "pctCommuterRail": { "value": 3.2, "moe": 0.2, "lowReliability": false }, "pctBus": { "value": 0.6, "moe": 0.1, "lowReliability": false }, "pctWalked": { "value": 1.4, "moe": 0.1, "lowReliability": false }, "pctBicycle": { "value": 0.2, "moe": 0, "lowReliability": false }, "pctWorkedFromHome": { "value": 12, "moe": 0.3, "lowReliability": false }, "pctLeaveBefore6am": { "value": 12, "moe": 0.4, "lowReliability": false }, "pctLeaveBefore7am": { "value": 30.2, "moe": 0.6, "lowReliability": false }, "households": 512565, "pctNoVehicle": { "value": 5.1, "moe": 0.2, "lowReliability": false }, "pctThreePlusVehicles": { "value": 28.8, "moe": 0.5, "lowReliability": false }, "medianHouseholdIncome": { "value": 130686, "moe": 1707 }, "medianAge": { "value": 41.7, "moe": 0.2 } }, "state": { "workers16plus": 9306567, "commutersNotWorkingFromHome": 7916632, "meanTravelMinutes": { "value": 32.6, "moe": 0.1, "lowReliability": false }, "pct60MinPlus": { "value": 16.8, "moe": 0.1, "lowReliability": false }, "pct90MinPlus": { "value": 5.3, "moe": 0.1, "lowReliability": false }, "pctUnder15Min": { "value": 20.5, "moe": 0.2, "lowReliability": false }, "pctDroveAlone": { "value": 48.8, "moe": 0.1, "lowReliability": false }, "pctCarpooled": { "value": 6.3, "moe": 0.1, "lowReliability": false }, "pctPublicTransit": { "value": 21.6, "moe": 0.1, "lowReliability": false }, "pctCommuterRail": { "value": 1.8, "moe": 0, "lowReliability": false }, "pctBus": { "value": 5.1, "moe": 0.1, "lowReliability": false }, "pctWalked": { "value": 5.6, "moe": 0.1, "lowReliability": false }, "pctBicycle": { "value": 0.8, "moe": 0, "lowReliability": false }, "pctWorkedFromHome": { "value": 14.9, "moe": 0.1, "lowReliability": false }, "pctLeaveBefore6am": { "value": 10.6, "moe": 0.1, "lowReliability": false }, "pctLeaveBefore7am": { "value": 26.3, "moe": 0.2, "lowReliability": false }, "households": 7722646, "pctNoVehicle": { "value": 29.2, "moe": 0.1, "lowReliability": false }, "pctThreePlusVehicles": { "value": 11.8, "moe": 0.1, "lowReliability": false }, "medianHouseholdIncome": { "value": 85974, "moe": 402 }, "medianAge": { "value": 39.8, "moe": 0.1 } }, "nation": { "workers16plus": 159114094, "commutersNotWorkingFromHome": 135071605, "meanTravelMinutes": { "value": 26.4, "moe": 0, "lowReliability": false }, "pct60MinPlus": { "value": 8.6, "moe": 0, "lowReliability": false }, "pct90MinPlus": { "value": 2.7, "moe": 0, "lowReliability": false }, "pctUnder15Min": { "value": 26, "moe": 0, "lowReliability": false }, "pctDroveAlone": { "value": 68.8, "moe": 0.1, "lowReliability": false }, "pctCarpooled": { "value": 8.5, "moe": 0, "lowReliability": false }, "pctPublicTransit": { "value": 3.2, "moe": 0, "lowReliability": false }, "pctCommuterRail": { "value": 0.3, "moe": 0, "lowReliability": false }, "pctBus": { "value": 1.5, "moe": 0, "lowReliability": false }, "pctWalked": { "value": 2.4, "moe": 0, "lowReliability": false }, "pctBicycle": { "value": 0.4, "moe": 0, "lowReliability": false }, "pctWorkedFromHome": { "value": 15.1, "moe": 0, "lowReliability": false }, "pctLeaveBefore6am": { "value": 14.4, "moe": 0, "lowReliability": false }, "pctLeaveBefore7am": { "value": 32.5, "moe": 0, "lowReliability": false }, "households": 129227496, "pctNoVehicle": { "value": 8.4, "moe": 0, "lowReliability": false }, "pctThreePlusVehicles": { "value": 21.9, "moe": 0, "lowReliability": false }, "medianHouseholdIncome": { "value": 80734, "moe": 166 }, "medianAge": { "value": 38.9, "moe": 0.1 } } }, "research": { "researchedAt": "2026-09-17", "identity": { "officialName": "Town of Riverhead", "placeType": "town (incorporated New York town; Suffolk County seat)", "parentTown": null, "alsoIn": [], "formerNames": [ { "name": "River Head", "note": "spelling used in the 1792 act creating the town and in some later sources", "src": [ 1 ] } ], "nameOrigin": { "text": "The town was created from the western part of the Town of Southold and took its name from its location at the head of the Peconic River.", "src": [ 1, 10 ] }, "founded": { "text": "The New York State Legislature created the Town of Riverhead on March 13, 1792 by an act dividing the Town of Southold, after western Southold residents petitioned that their town had become too large to attend meetings and conduct business conveniently.", "src": [ 1 ] }, "incorporated": null, "gnisId": null, "wikidataId": null }, "quickFacts": [ { "label": "Legal status", "value": "Incorporated New York town; seat of Suffolk County government", "src": [ 1, 16 ] }, { "label": "Founded", "value": "March 13, 1792, by act of the NYS Legislature dividing the Town of Southold", "src": [ 1 ] }, { "label": "Colonial land division", "value": "In 1661 Southold's freeholders divided the western \"Aquebogue\" area (within present-day Riverhead) into forty lots running from sea to sea; William Hallock is recorded as the first settler on the First Aquebogue Dividend", "src": [ 10 ] }, { "label": "Police", "value": "Riverhead Police Department (town's own department, not an SCPD precinct)", "src": [ 2 ] }, { "label": "Court", "value": "Riverhead Town Justice Court, 210 Howell Avenue", "src": [ 3 ] }, { "label": "Prior-written-notice law", "value": "Town Code Chapter 109, § 109-2 (\"Civil Claims\"), adopted Sept. 21, 1982 by L.L. No. 6-1982", "src": [ 4 ] }, { "label": "Main roads and owners", "value": "NY 25 / Main Street and I-495 (LIE, eastern terminus) are state highways; CR 58 (Old Country Road) and CR 73 (Roanoke Avenue) are Suffolk County roads", "src": [ 5, 6 ] }, { "label": "School district", "value": "Riverhead Central School District (headquartered at 814 Harrison Avenue per its own site; several other hamlets in the town have their own districts)", "src": [ 11 ] }, { "label": "Hospital", "value": "Peconic Bay Medical Center (Northwell Health), 1 Heroes Way — Level III adult trauma center", "src": [ 12, 13 ] } ], "timeline": [ { "date": "1661", "label": "Aquebogue division", "text": "Southold's freeholders divided the \"Aquebogue\" area — land that became part of the Town of Riverhead — into forty lots running from sea to sea; William Hallock, granted two adjoining lots, is described as the first settler in the First Aquebogue Dividend.", "src": [ 10 ] }, { "date": "1678", "label": "Howell house built", "text": "William Hallock's son-in-law Richard Howell, who had received a strip of land in 1675, built a house in 1678 on what is now the Hallockville Museum Farm property; the Howell family lived on the farm until the last family member died in 1951.", "src": [ 10 ] }, { "date": "1792-03-13", "label": "Town of Riverhead created", "text": "The New York State Legislature enacted \"An Act to divide the town of Southold creating the Town of River Head from the western portion of said town,\" separating Riverhead from Southold.", "src": [ 1 ] }, { "date": "1844-07-27", "label": "Long Island Rail Road reaches Greenport", "text": "The first LIRR train to Greenport ran on Saturday, July 27, 1844, over track that also opened up Riverhead to rail service the same year.", "src": [ 14 ] }, { "date": "1886", "label": "Suffolk County Historical Society founded", "text": "The Suffolk County Historical Society, headquartered on West Main Street in Riverhead, was founded in 1886.", "src": [ 9 ] }, { "date": "1982-09-21", "label": "Civil Claims / prior-notice law adopted", "text": "The Town Board adopted the current version of Chapter 109, \"Civil Claims,\" by Local Law No. 6-1982, requiring written notice of a defective condition to be filed with the Town Clerk before a lawsuit over it can proceed.", "src": [ 4 ] }, { "date": "1996-07-17", "label": "TWA Flight 800 wreckage reconstructed in Calverton", "text": "Following the crash of TWA Flight 800 off Long Island, investigators transported recovered wreckage by boat and truck to leased hangar space at the former Grumman Aircraft facility in Calverton, within the Town of Riverhead, where it was documented and reconstructed.", "src": [ 7 ] }, { "date": "2024-08-21", "label": "Fuhrmann v. Town of Riverhead", "text": "The Appellate Division, Second Department, reversed a Supreme Court order that had dismissed a personal-injury suit against the Town over a playground swing collapse, holding the action was timely once COVID-19 executive-order tolling was applied.", "src": [ 8 ] }, { "date": "2025-04-16", "label": "Matter of Town of Riverhead v. County of Suffolk", "text": "The Appellate Division, Second Department, largely affirmed dismissal of the Town's suit seeking to compel the County to pay Riverhead Sewer District rate-stabilization funds, holding the County's distribution of the funds was a discretionary function not subject to mandamus.", "src": [ 17 ] } ], "sections": [ { "id": "history", "heading": "History", "paragraphs": [ "The land that became the Town of Riverhead was originally the western part of the Town of Southold. In 1661 Southold's freeholders divided the area then called \"Aquebogue\" into forty lots running \"from sea to sea\"; William Hallock, who received two adjoining allotments, is described in the Hallockville Museum Farm's own history as the first settler in the First Aquebogue Dividend, building a house around 1661 on what is now Hallock Lane.[10] His son-in-law Richard Howell received an adjoining strip in 1675 and built a house there in 1678; the Howell family lived on that farm for more than 250 years, until the last family member died in 1951.[10] The museum's history also records that anthropologists who surveyed the property in 1975 found aboriginal artifacts, including knives, scrapers and projectile points, near Hallock Pond dating to at least 1500 B.C., and a second, 15-acre site with material suggesting Late Archaic occupation — evidence of Native American presence on the land for millennia before English settlement, though the source does not name a specific nation for the site.[10]", "By the late 1780s, residents of the western part of Southold found it inconvenient to travel to town meetings on the rest of the elongated township. The New York State Legislature responded with \"An Act to divide the town of Southold creating the Town of River Head from the western portion of said town,\" enacted March 13, 1792, which set Riverhead's boundaries running from the bay between Southampton and Southold on the south to a farm near Mattituck on the east, Long Island Sound on the north, and the Southold-Brookhaven line on the west.[1] Riverhead sits at the head of the Peconic River, which forms the boundary between the North Fork and South Fork; the Suffolk County Historical Society, founded in 1886 and still headquartered on West Main Street in the hamlet, describes itself as dedicated to collecting and interpreting the history of the whole county.[9]", "In the twentieth century, the Navy-run and later Grumman-operated aircraft plant at Calverton, within the town, became nationally notable after the July 17, 1996 crash of TWA Flight 800: investigators transported recovered wreckage by boat through Shinnecock Inlet and by truck to leased hangar space at \"the former Grumman Aircraft facility in Calverton, New York,\" where National Transportation Safety Board investigators documented and reconstructed the airplane.[7] The Town's Community Development Agency now owns roughly 2,100 acres of that former Grumman/Navy property as the Enterprise Park at Calverton (EPCAL), part of which the Town has more recently moved to redevelop.[18]" ] }, { "id": "roads", "heading": "How the roads got here", "paragraphs": [ "NY Route 25 (Main Street/Jericho Turnpike) is a state highway that NYSDOT's own touring-route description runs through \"Riverhead, Mattituck, Cutchogue, Southold, Greenport\" on its way to the Orient Point ferry.[5] The Long Island Expressway (I-495) is described in the same NYSDOT reference as running \"on Long Island Expressway to Riverhead (NY 25)\" from its western end at the Queens-Midtown Tunnel — that is, its eastern terminus is in Riverhead, where it meets Route 25.[5] NY Route 24 is a separate state highway connecting Riverhead to Hampton Bays and the South Shore.[5]", "Two of the roads Riverhead residents commonly call \"Route 58\" and \"Route 73\" are not state highways at all: Suffolk County's own road inventory lists CR 58 (Old Country Road) as running from NYS Route 25 (West Main Street) back to NYS Route 25 (East Main Street) — the loop that carries Tanger Outlets traffic — and CR 73 (Roanoke Avenue) as running from NYS Route 25 to CR 58; NYSDOT's statewide list of numbered touring routes has no \"NY 58\" or \"NY 73\" on Long Island at all.[6] Other county roads radiating from the hamlet include CR 43 (Northville Turnpike, from CR 73 to Sound Avenue), CR 51 (East Moriches-Riverhead Road/Center Drive South) and CR 105 (Cross River Drive, ending at Sound Avenue).[6] Sound Avenue itself does not appear as a numbered county road in that inventory, consistent with it being a Town of Riverhead highway rather than a state or county one.[6]", "The Long Island Rail Road reached Greenport, east of Riverhead, on Saturday, July 27, 1844, opening the line that runs through Riverhead hamlet to this day.[14]" ] }, { "id": "law", "heading": "Law and legal history", "paragraphs": [ "Like most New York municipalities, Riverhead cannot be sued over a defective town road, sidewalk or other public facility unless it had prior written notice of the specific defect. The Town's provision is codified as Chapter 109, \"Civil Claims,\" originally adopted September 21, 1982 by Local Law No. 6-1982.[4] Section 109-2, \"Notice of defective condition required,\" bars a civil action against the Town or its various districts and agencies for injuries from a defect in \"any property... highway, bridge, culvert, curb, catch basin... sidewalk\" or several other categories of town infrastructure \"unless written notice of such defective, unsafe, dangerous or obstructed condition shall be filed with the Town Clerk at least 15 calendar days prior to the event giving rise to the alleged claim.\"[4] Section 109-3 adds that neither constructive notice (the defect existing long enough that the Town should have discovered it) nor a Town employee's actual knowledge substitutes for that written filing, and § 109-8 states the chapter supersedes Town Law § 65-a.[4]", "The Town and its agencies are regularly named as parties in litigation. In Fuhrmann v. Town of Riverhead, 230 A.D.3d 652 (2d Dept. 2024), the Appellate Division, Second Department, reversed a Supreme Court order granting the Town summary judgment in a suit over a swing that collapsed at a Town-owned playground; the panel held that pandemic-era executive-order tolling of the statute of limitations meant the plaintiff's suit, filed in October 2021 over a May 2019 injury, was timely.[8] In Matter of Town of Riverhead v. County of Suffolk, 237 A.D.3d 944 (2d Dept. 2025), the Appellate Division largely affirmed dismissal of the Town's own suit against Suffolk County, holding that the County's allocation of Assessment Stabilization Reserve Fund revenue under Tax Law § 1210-A to stabilize the Riverhead Sewer District's rates \"involved a purely discretionary government function\" not subject to a court order compelling payment.[17]" ] }, { "id": "government", "heading": "Government, courts and policing", "paragraphs": [ "Unlike the Town of Brookhaven, which has no police force of its own and is patrolled entirely by the Suffolk County Police Department, Riverhead maintains its own Police Department, headquartered at 210 Howell Avenue, with a non-emergency line of (631) 727-4500 and a confidential tips line.[2] Suffolk County Police Department precincts border but do not patrol inside the town: the SCPD's own description of its Seventh Precinct says it \"encompasses the eastern most sections of the Town of Brookhaven to the Riverhead and Southampton Town lines\" — that is, up to Riverhead's boundary, not within it.[19]", "Traffic, criminal, parking, landlord-tenant, small-claims and civil matters arising in the Town of Riverhead are heard at the Riverhead Town Justice Court, also at 210 Howell Avenue, which sits Criminal/Traffic sessions Monday through Wednesday at 9:30 a.m. and Parking/Town Code sessions Monday and Tuesday at 2 p.m., with landlord-tenant, small-claims and civil matters heard Wednesdays at 2 p.m.[3] More serious criminal, civil and appellate matters go to the Suffolk County court system's 10th Judicial District, whose District Administrative Judge's office is based at 400 Carleton Avenue, Central Islip — reflecting that, although Riverhead remains the historic county seat, many county court and administrative functions have moved elsewhere in Suffolk County.[16]", "Road ownership in the town is split among three levels of government: NY 25 and the Long Island Expressway are state highways, CR 58 (Old Country Road) and several other numbered roads are Suffolk County highways, and other streets, including Sound Avenue, are Town of Riverhead highways.[5][6] The Town's Community Development Agency owns roughly 2,100 acres of the former Grumman/Navy property at Calverton as the Enterprise Park at Calverton (EPCAL).[18]" ] }, { "id": "transit", "heading": "Railroad and transit", "paragraphs": [ "The Long Island Rail Road's Main Line reached Greenport, passing through Riverhead, on \"that pivotal Saturday, July 27, 1844.\"[14] Riverhead Central School District, the town's largest public school system, is headquartered in the hamlet and lists seven schools from elementary through high school.[11]" ] } ], "legalCases": [ { "name": "Fuhrmann v. Town of Riverhead", "citation": "230 A.D.3d 652 (2d Dep't 2024); 2024 NY Slip Op 04248", "court": "New York Supreme Court, Appellate Division, Second Department", "year": 2024, "connection": "Personal-injury suit against the Town of Riverhead and its Recreation Department over a playground swing that collapsed at a Town-owned playground on May 24, 2019.", "holding": "Reversed a Supreme Court order granting the Town summary judgment on statute-of-limitations grounds, holding that COVID-19 executive-order tolling (a 228-day period from March 20 to November 3, 2020) rendered the October 2021 suit timely under General Municipal Law § 50-i and CPLR 217-a.", "src": [ 8 ] }, { "name": "Matter of Town of Riverhead v. County of Suffolk", "citation": "237 A.D.3d 944 (2d Dep't 2025); 2025 NY Slip Op 02209", "court": "New York Supreme Court, Appellate Division, Second Department", "year": 2025, "connection": "Hybrid CPLR article 78 proceeding and action by the Town of Riverhead and its Town Board seeking to compel Suffolk County to pay the Riverhead Sewer District sums to stabilize its 2016 and 2017 rates.", "holding": "Largely affirmed dismissal, holding that the County's distribution of Assessment Stabilization Reserve Fund revenue under Tax Law § 1210-A and former Suffolk County Charter § C12-2(D) was a discretionary governmental function not subject to mandamus, and that the Town's equal-protection and waste claims failed to state a cause of action; modified only to convert the dismissal of the declaratory-judgment cause of action into a declaration in the County's favor.", "src": [ 17 ] } ], "landmarks": [ { "name": "Suffolk County Historical Society (300 West Main Street, Riverhead)", "designation": null, "src": [ 9 ] }, { "name": "Hallockville Museum Farm", "designation": null, "src": [ 10 ] }, { "name": "Enterprise Park at Calverton (EPCAL) / former Grumman Aircraft facility", "designation": "Town-owned former Navy/Grumman aircraft site of roughly 2,100 acres; site of the TWA Flight 800 wreckage reconstruction", "src": [ 18, 7 ] } ], "notableFacts": [ { "text": "The Town of Riverhead was created on March 13, 1792 by a New York State Legislature act dividing the Town of Southold.", "src": [ 1 ] }, { "text": "William Hallock, who settled around 1661 on land that is now the Hallockville Museum Farm, is described by the museum as the first settler in Riverhead's \"First Aquebogue Dividend.\"", "src": [ 10 ] }, { "text": "Anthropologists surveying the Hallockville Museum Farm property in 1975 found aboriginal artifacts near Hallock Pond dating to at least 1500 B.C.", "src": [ 10 ] }, { "text": "After TWA Flight 800 crashed off Long Island in 1996, investigators reconstructed the wreckage in a leased hangar at the former Grumman Aircraft facility in Calverton, within the Town of Riverhead.", "src": [ 7 ] }, { "text": "Suffolk County's own road inventory shows the road Riverhead residents call \"Route 58\" is not a state highway at all, but Suffolk County Road 58 (Old Country Road).", "src": [ 6 ] }, { "text": "The Suffolk County Historical Society, headquartered on West Main Street in Riverhead, was founded in 1886.", "src": [ 9 ] }, { "text": "Richard Howell's family lived on the farm that is now Hallockville Museum Farm for more than 250 years, from 1678 until the last family member died in 1951.", "src": [ 10 ] } ], "sources": [ { "id": 1, "title": "Happy Birthday, River Head: Our town turns 220 on March 13", "publisher": "RiverheadLOCAL", "url": "https://riverheadlocal.com/2012/03/06/happy-birthday-river-head-our-town-turns-220-on-march-13/", "year": "2012", "type": "newspaper" }, { "id": 2, "title": "Police Department", "publisher": "Town of Riverhead", "url": "https://www.townofriverheadny.gov/191/Police-Department", "year": "2026", "type": "government" }, { "id": 3, "title": "Justice Court", "publisher": "Town of Riverhead", "url": "https://www.townofriverheadny.gov/194/Justice-Court", "year": "2026", "type": "government" }, { "id": 4, "title": "Chapter 109, Civil Claims — Code of the Town of Riverhead", "publisher": "Town of Riverhead / General Code (ecode360)", "url": "https://ecode360.com/6251500", "year": "2026", "type": "government" }, { "id": 5, "title": "Official Description of Highway Touring Routes, Bicycle Touring Routes, Scenic Byways, & Commemorative/Memorial Designations in New York State", "publisher": "New York State Department of Transportation", "url": "https://www.dot.ny.gov/divisions/operating/oom/transportation-systems/repository/2017%20tour-bk.pdf", "year": "2017", "type": "government" }, { "id": 6, "title": "Suffolk County Roads List", "publisher": "Suffolk County Department of Public Works", "url": "https://suffolkcountyny.gov/Portals/0/formsdocs/publicworks/PDF/Suffolk%20County%20Roads%20List.pdf", "year": "n.d.", "type": "government" }, { "id": 18, "title": "EPCAL Development", "publisher": "Town of Riverhead", "url": "https://www.townofriverheadny.gov/209/EPCAL-Development", "year": "2026", "type": "government" }, { "id": 7, "title": "In-flight Breakup Over the Atlantic Ocean, Trans World Airlines Flight 800, Boeing 747-131, N93119, Near East Moriches, New York, July 17, 1996 (Aircraft Accident Report AAR-00/03)", "publisher": "National Transportation Safety Board", "url": "https://www.ntsb.gov/investigations/AccidentReports/Reports/AAR0003.pdf", "year": "2000", "type": "government" }, { "id": 8, "title": "Fuhrmann v Town of Riverhead, 2024 NY Slip Op 04248 [230 AD3d 652]", "publisher": "New York State Law Reporting Bureau (nycourts.gov)", "url": "https://www.nycourts.gov/reporter/3dseries/2024/2024_04248.htm", "year": "2024", "type": "court" }, { "id": 9, "title": "Suffolk County Historical Society (home page)", "publisher": "Suffolk County Historical Society", "url": "https://suffolkcountyhistoricalsociety.org/", "year": "2026", "type": "historical-society" }, { "id": 10, "title": "History", "publisher": "Hallockville Museum Farm", "url": "https://hallockville.org/what-is-hallockville/history/", "year": "2026", "type": "museum" }, { "id": 11, "title": "Riverhead Central School District (home page)", "publisher": "Riverhead Central School District", "url": "https://www.riverhead.net/", "year": "2026", "type": "government" }, { "id": 12, "title": "New York State Trauma Centers", "publisher": "New York State Department of Health", "url": "https://www.health.ny.gov/professionals/ems/state_trauma/trauma2.htm", "year": "n.d.", "type": "government" }, { "id": 13, "title": "Contact us — Peconic Bay Medical Center", "publisher": "Northwell Health", "url": "https://pbmc.northwell.edu/contact-us", "year": "2026", "type": "reference" }, { "id": 14, "title": "Greenport to mark 180 years since first LIRR train", "publisher": "The Suffolk Times", "url": "https://suffolktimes.timesreview.com/2024/07/greenport-to-mark-180-years-since-first-lirr-train/", "year": "2024", "type": "newspaper" }, { "id": 16, "title": "10th JD Suffolk", "publisher": "New York State Unified Court System (nycourts.gov)", "url": "https://ww2.nycourts.gov/courts/10jd/suffolk/index.shtml", "year": "2026", "type": "court" }, { "id": 17, "title": "Matter of Town of Riverhead v County of Suffolk, 2025 NY Slip Op 02209 [237 AD3d 944]", "publisher": "New York State Law Reporting Bureau (nycourts.gov)", "url": "https://www.nycourts.gov/reporter/3dseries/2025/2025_02209.htm", "year": "2025", "type": "court" }, { "id": 19, "title": "Seventh Precinct", "publisher": "Suffolk County Police Department", "url": "https://www.suffolkpd.org/Precincts-and-Specialized-Units/Precincts/Seventh-Precinct", "year": "2026", "type": "government" } ] }, "dataSources": { "census2020": { "name": "U.S. Census Bureau, TIGERweb — 2020 Census tabulation geography (POP100, HU100, AREALAND)", "url": "https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/tigerWMS_Census2020/MapServer", "retrieved": "2026-09-17" }, "acs": { "name": "U.S. Census Bureau, American Community Survey 2020–2024 5-Year Estimates, tables B08303, B08013, B08301, B08302, B08201, B19013, B01002", "url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/", "period": "2020–2024", "retrieved": "2026-09-17", "note": "Survey estimates with 90% margins of error. lowReliability = coefficient of variation above 30%." }, "fars": { "name": "National Highway Traffic Safety Administration, Fatality Analysis Reporting System (FARS), 2010–2024 national files", "url": "https://www.nhtsa.gov/file-downloads?p=nhtsa/downloads/FARS/", "retrieved": "2026-09-17", "preliminaryYears": [ 2024 ], "note": "Crashes on public trafficways in which a person died within 30 days. No personal identifiers. Placed by reported coordinates into 2020 Census boundaries." }, "nys": { "name": "New York State Department of Motor Vehicles, Motor Vehicle Crashes — Case Information: Four Year Window", "url": "https://data.ny.gov/Transportation/Motor-Vehicle-Crashes-Case-Information-Four-Year-W/e8ky-4vqe", "period": "2021–2024", "retrieved": "2026-09-17", "note": "Police-reported crashes coded to a town, city or village by the reporting agency. Hamlets are not coded; hamlet pages show the parent town." } } }