Stony Brook, NY — Crash Data, Roads, History & Law

Stony Brook is an unincorporated hamlet in the Town of Brookhaven, Suffolk County, New York, with 13,467 residents at the 2020 Census. Federal crash records show 4 fatal crashes that killed 5 people within its boundaries from 2010 through 2024 — 3 of them on foot. Northern Boulevard / Route 25A accounted for more of those deaths (3) than any other road. Residents who commute travel an average of 29.7 minutes each way.

Long Island Town Fact Book · Updated · Sources & method

Stony Brook at a glance

Status
Hamlet (unincorporated; census-designated place)
Town
Brookhaven
County
Suffolk County
Population (2020 Census)
13,467[C]
Housing units (2020)
5,033
Land area
5.82 sq mi (plus 0.42 sq mi of water)
Density
2,313 people per sq mi
Average commute
29.7 minutes[B]
Traffic deaths, 2010–2024
5[A]
ZIP Code
11790
Legal status
Unincorporated hamlet of the Town of Brookhaven, Suffolk County, tabulated by the Census Bureau as the Stony Brook CDP; a separate 'Stony Brook University CDP' also exists for the SUNY campus[2]
School district
Three Village Central School District (formed in the 1960s from the merger of the Setauket and Stony Brook districts)[9]
University
State University of New York at Stony Brook: chartered 1957 in Oyster Bay; new campus built in 1962 on land donated by philanthropist Ward Melville[3]
Policing
Suffolk County Police Department, 6th Precinct, for the hamlet generally; Stony Brook University Police Department for the SUNY campus[6][11]
Prior written notice law
Town of Brookhaven Code Chapter 84, "Notice of Defective or Dangerous Conditions," adopted June 16, 1987 by Local Law No. 7-1987[7]
National Register listings
William Sidney Mount House (1966), Hawkins Homestead (1988), Nathaniel Longbotham House (1989), Stony Brook Grist Mill (1990), St. James Chapel (2000), Gamecock Cottage (2007), West Meadow Beach Historic District (2004, delisted 2022)[12][13][14][15][16][17][8]
Census geography
Stony Brook CDP · GEOID 3671608 · GNIS 2390358
Coordinates
40.9078°N, 73.1275°W

Hamlets in New York have no legal boundary or government of their own. Figures here use the Census Bureau's census-designated place, the standard statistical outline for the community; local usage of the name can be wider or narrower.

Fatal crashes in Stony Brook, 2010–2024

From January 1, 2010 through December 31, 2024, 5 people died in 4 crashes on public roads inside Stony Brook, according to the federal Fatality Analysis Reporting System.[A] Pedestrians account for 3 of those deaths (60%). The deadliest year was 2024, with 2 deaths.

Fatal crashes
4
People killed
5
Pedestrians
3
Bicyclists
0
Motorcyclists
0
Vehicle occupants
2
Traffic deaths in Stony Brook by year, 2010–2024
0 ’10 1 ’11 0 ’12 0 ’13 1 ’14 0 ’15 0 ’16 0 ’17 0 ’18 0 ’19 0 ’20 0 ’21 1 ’22 0 ’23 2 ’24

2024 figures come from NHTSA's Annual Report File and may be revised.

View the chart as a table
YearFatal crashesDeaths
201000
201111
201200
201300
201411
201500
201600
201700
201800
201900
202000
202100
202211
202300
202412

Roads where people died

RoadCrashesDeaths
Northern Boulevard / Route 25A 2 3
Nesconset Highway (NY 347) 1 1
N Country Rd 1 1

Road names as recorded by police and normalised to common Long Island names.

When and where

  • Of the 4 crashes with a recorded time, 2 happened between 8 p.m. and 6 a.m., 1 between 4 and 8 p.m., 0 between 10 a.m. and 4 p.m., and 1 between 6 and 10 a.m.
  • 75% happened in darkness.
  • 0 of the 5 deaths were on expressways or parkways; 5 were on arterials and local streets.
  • 1 crash killed more than one person.

Who owns the roads where they happened (2015–2024)

FARS has recorded the owner of the roadway since 2015. Of the 2 fatal crashes in Stony Brook since then:

  • State highways 2 (100%)

Ownership matters in New York because claims against a county, town, city or village generally require a notice of claim within 90 days (General Municipal Law § 50-e), while claims against the State are brought in the Court of Claims under Court of Claims Act § 10. This is general information, not legal advice.

Rate: 2.5 traffic deaths per 100,000 residents per year, against 9.1 for Suffolk County. This is a resident-based rate, not a measure of how risky the roads are to drive: crashes are counted where they happen, not where the people involved live, so a small community crossed by a major highway shows a high rate.

Every fatal crash on record

DateTimeRoadDeathsWho diedLight
* 7 a.m. Northern Boulevard / Route 25A at North Country Rd 2 2 vehicle occupants dawn
5 a.m. Nesconset Highway (NY 347) 1 Pedestrian dark
10 p.m. N Country Rd 1 Pedestrian dark
5 p.m. Northern Boulevard / Route 25A 1 Pedestrian dark

FARS contains no names or personal identifiers. * 2024 records are preliminary. Download all 4 records (CSV) · How this was compiled

Recent Stony Brook Incident Reports

Victor Panebianco of NC Pleads Guilty in Fatal Stabbing at Stony Brook Yacht Club

Victor Panebianco of NC Pleads Guilty in Fatal Stabbing at Stony Brook Yacht Club. August 11, 2026.

Michael Specchio of M3 Development Group Arrested in Stony Brook Contractor Fraud Case

Brookhaven Completes $793K Aunt Amy Creek Stormwater Overhaul in Stony Brook

Brookhaven Completes $793K Aunt Amy Creek Stormwater Overhaul in Stony Brook. July 16, 2026.

William Turri, 20, of Fairport Indicted for Dealing Meth from Stony Brook Dorm

William Turri, 20, of Fairport Indicted for Dealing Meth from Stony Brook Dorm. June 19, 2026.

Teen Driver Faces DWI Charges After LIE Crash Leaves Stony Brook Passenger With Serious Injuries

DWI arrests of underage drinkers on the rise on Long Island

Updated continuously from 511NY, NYSP, NCPD, and SCPD feeds — all Long Island reports.

All reported crashes in the Town of Brookhaven, 2021–2024

New York's crash file codes each crash to a town, city or village — never to a hamlet — so the finest official count that covers Stony Brook is for the Town of Brookhaven, which contains it. Police reported 44,155 crashes there from 2021 through 2024 — about 30.2 a day. 11,428 (25.9%) injured someone and 172 were fatal. [D]

Police-reported crashes, Town of Brookhaven
2021202220232024Total
10,66310,23411,73911,51944,155
Injury crashes
11,428
Fatal crashes
172
Struck a pedestrian
445
Struck a bicyclist
390
Struck a deer
599

Counts are crashes, not people. The municipality is entered by the reporting police agency, and coding is less consistent for small villages, so compare places with care.

How Stony Brook gets to work

Stony Brook commuters travel an average of 29.7 minutes each way, 1.4 minutes shorter than the Suffolk County average (the national average is 26.4 minutes). About 70.9% of workers drive alone. [B]

Commuting and vehicle access, 2020–2024 (American Community Survey 5-year estimates)
Measure Stony Brook Suffolk County New York State United States
Average one-way commute 29.7 min ±4.2 31.1 min 32.6 min 26.4 min
Commute 60 minutes or longer 14.2% ±3.3 14.1% 16.8% 8.6%
Commute under 15 minutes 25.4% ±4 22.8% 20.5% 26%
Drive alone 70.9% ±3.7 72.1% 48.8% 68.8%
Carpool 4.7% ±1.8 7.5% 6.3% 8.5%
Commuter rail (LIRR) 1.2% ±0.7 † 3.2% 1.8% 0.3%
Bus 0.7% ±0.6 † 0.6% 5.1% 1.5%
Walk 1.3% ±1 † 1.4% 5.6% 2.4%
Work from home 19.7% ±3.6 12% 14.9% 15.1%
Leave home before 6 a.m. 9.2% ±4.1 12% 10.6% 14.4%
Households with no vehicle 4.9% ±1.9 5.1% 29.2% 8.4%
Households with three or more vehicles 27.6% ±5.3 28.8% 11.8% 21.9%

Survey estimates for 6,268 workers aged 16 and over; ± values are 90% margins of error. † Small sample — the margin of error is large relative to the estimate, so treat the figure as indicative only. Travel-time rows exclude people who work from home.

Notable facts about Stony Brook

  • Ward Melville personally financed the entire Stony Brook Village Center, about $500,000 in 1941 dollars, and the Village Center calls itself the first planned shopping center in the country.[4]
  • Ward Melville, the same philanthropist behind the Village Center, later donated the land on which SUNY built its Stony Brook campus in 1962.[3]
  • Stony Brook University began in 1957 in Oyster Bay, training secondary-school math and science teachers, five years before it moved to the Stony Brook campus.[3]
  • The William Sidney Mount House was added to the National Register of Historic Places on October 15, 1966, in the program's first year.[12]
  • A 1996 state law paid for removing West Meadow Beach's roughly 100 private cottages by charging the cottage occupants themselves annual rent into a restoration fund.[18]

History

Stony Brook is an unincorporated hamlet of the Town of Brookhaven.[2] The William Sidney Mount House, associated with the Long Island genre painter born in 1807, was listed on the National Register of Historic Places on October 15, 1966, one of the earliest listings anywhere under the newly established federal program.[12]

The hamlet's modern commercial center dates to philanthropist Ward Melville's Stony Brook Village Center. Starting in 1939, Melville renovated the Old Hallock Homestead he had inherited and set about building, entirely at his own expense — about $500,000, or more than $8 million today by the Village Center's own accounting — a colonial-style commercial village around the harbor; construction was completed in the summer of 1941, and the Village Center describes itself as long recognized as the first planned shopping center in the country.[4] Melville later donated the land on which the State University of New York built its Stony Brook campus: the university had been established in 1957 to train secondary-school teachers of mathematics and science, operating first from a former Gold Coast estate in Oyster Bay, before a new campus was built near the village of Stony Brook in 1962 on Melville's donated land.[3]

West Meadow Beach, a Town of Brookhaven peninsula park on Stony Brook Harbor, was for decades the site of privately built summer cottages leased from the Town. In 1996 the state legislature passed companion bills (Assembly bill A.11008-A and Senate bill S.7829, the latter sponsored by then-State Senator James Lack) requiring the roughly 100 remaining cottage occupants to pay annual rent into a capital restoration fund; the money was used in 2004 to remove the cottages and restore the beach as public parkland, with the Gamecock Cottage, one cottage kept as a local museum, and two cottages used for security and park-protection purposes left standing.[18] The removed cottage district had briefly been added to the National Register of Historic Places on October 28, 2004, and the Gamecock Cottage remains separately listed, added August 30, 2007.[8][17]

Several other Stony Brook buildings are individually listed on the National Register: the Hawkins Homestead at 165 Christian Avenue (1988), the Nathaniel Longbotham House at 1541 Stony Brook Road (1989), the Stony Brook Grist Mill on Harbor Road (1990), and St. James Chapel on Main Street (2000).[13][14][15][16]

How the roads got here

Nicolls Road (County Route 97), the hamlet's main north-south connector to the Stony Brook University campus, runs to Stony Brook Medicine's own campus address of 101 Nicolls Road; elsewhere, NYSDOT's touring-route description records that CR 97/Nicolls Road "crosses NY 25/Middle Country Road at Centereach," confirming it as a Suffolk County-maintained road.[19][20] The federal listing record for the William Sidney Mount House places that building at the junction of Gould Road and NY 25, indicating that Route 25 (as distinct from Route 25A) also reaches into the Stony Brook area.[12]

Law and legal history

As an unincorporated hamlet, Stony Brook falls under the Town of Brookhaven's prior-written-notice law, Chapter 84 of the Town Code, adopted June 16, 1987 by Local Law No. 7-1987, which bars civil actions over defective town roads, sidewalks or snow/ice conditions unless written notice was first given to the Town Clerk or Superintendent of Highways and the Town failed to act within a reasonable time.[7]

The Town of Brookhaven has no police department of its own; the Suffolk County Police Department's 6th Precinct, headquartered at 400 Middle Country Road in Selden, covers the hamlets and incorporated villages of the northern Town of Brookhaven, including Stony Brook.[6] The State University of New York at Stony Brook separately maintains its own Stony Brook University Police Department for the campus, with a stated mission to "foster a safe environment for our campus community through proactive, progressive, and professional law enforcement services."[11]

Government, courts and policing

Stony Brook has no government of its own; it is an unincorporated hamlet of the Town of Brookhaven.[2][7] Public schools come from the Three Village Central School District, formed in the 1960s through the merger of the Setauket and Stony Brook school districts.[9] The State University of New York at Stony Brook, within the hamlet, operates as a distinct campus community with its own police department alongside county policing of the surrounding hamlet.[3][11]

Landmarks and listed places

  • William Sidney Mount House (Gould Road and NY 25) — National Register of Historic Places, listed October 15, 1966[12]
  • Hawkins Homestead (165 Christian Avenue) — National Register of Historic Places, listed June 9, 1988[13]
  • Nathaniel Longbotham House (1541 Stony Brook Road) — National Register of Historic Places, listed November 16, 1989[14]
  • Stony Brook Grist Mill (Harbor Road) — National Register of Historic Places, listed August 3, 1990[15]
  • St. James Chapel (Main Street) — National Register of Historic Places, listed June 16, 2000[16]
  • Gamecock Cottage (Shipman's Point, West Meadow Beach) — National Register of Historic Places, listed August 30, 2007[17]
  • Stony Brook Village Center — Built 1939-1941 by Ward Melville; described by its operator as the first planned shopping center in the country[4]

Stony Brook timeline

  1. William Sidney Mount born. Painter William Sidney Mount, whose family house in Stony Brook is federally landmarked, was born this year according to National Register records.[12]
  2. Village Center construction begins. Philanthropist Ward Melville began renovating the Old Hallock Homestead and planning a colonial-style commercial village on land he owned around Stony Brook harbor.[4]
  3. Stony Brook Village Center completed. Construction of the Stony Brook Village Center was completed; the Village Center's own history describes it as long recognized as the first planned shopping center in the country, built at Ward Melville's personal expense of about $500,000.[4]
  4. University chartered. What became Stony Brook University was established as a college to train secondary-school teachers of mathematics and science, with its first campus in Oyster Bay.[3]
  5. First university president. John Lee became the institution's first president, with a mandate to build it into a full university with liberal arts, sciences and graduate programs.[3]
  6. Stony Brook campus opens. A new campus was built near the village of Stony Brook on land donated by Ward Melville.[3]
  7. Mount House listed. The William Sidney Mount House, at Gould Road and NY 25, was listed on the National Register of Historic Places, one of the first listings under the newly created program.[12]
  8. Prior-notice law adopted. The Brookhaven Town Board adopted Local Law No. 7-1987, the Town Code's current "Notice of Defective or Dangerous Conditions" chapter.[7]
  9. Hawkins Homestead listed. The Hawkins Homestead, at 165 Christian Avenue, was listed on the National Register.[13]
  10. Longbotham House listed. The Nathaniel Longbotham House, at 1541 Stony Brook Road, was listed on the National Register.[14]
  11. Grist Mill listed. The Stony Brook Grist Mill, on Harbor Road west of Main Street, was listed on the National Register.[15]
  12. West Meadow Beach legislation. The state legislature passed A.11008-A and S.7829, sponsored by then-State Senator James Lack, requiring West Meadow Beach cottage occupants to pay annual rent into a capital restoration fund ahead of the site's conversion to parkland.[18]
  13. St. James Chapel listed. St. James Chapel, on Main Street north of Stony Brook Lane, was listed on the National Register.[16]
  14. Cottages removed. Using the restoration fund built up since 1996, the remaining West Meadow Beach cottages were removed to create a nature preserve, with the Gamecock Cottage, a museum cottage, and two cottages retained for security and park-protection purposes.[18]
  15. Beach historic district listed. The West Meadow Beach Historic District was added to the National Register of Historic Places.[8]
  16. Gamecock Cottage listed. Gamecock Cottage, at Shipman's Point near the south end of West Meadow Beach, was individually listed on the National Register.[17]

Major roads in Stony Brook

RoadRouteMaintained byIn Stony Brook
Nicolls Road [19][20] CR 97 Suffolk County runs to the Stony Brook University campus
Route 25 (near Gould Road) [12] NY 25 New York State reaches the Stony Brook area per the William Sidney Mount House's federal address record

Emergency Resources

Hospitals

  • Stony Brook University Hospital — 101 Nicolls Road, Stony Brook, NY 11794 — (631) 444-4000 (Level I adult and Level I pediatric trauma center on the NYS DOH list.)

Police

  • Suffolk County Police Department, 6th Precinct — 400 Middle Country Road, Selden, NY 11784 — (631) 854-8600 (non-emergency); 911 for emergencies (Patrols the incorporated villages and hamlets of the northern Town of Brookhaven, including Stony Brook.)
  • Stony Brook University Police Department — Stony Brook University campus, Stony Brook, NY 11794 — (631) 632-6350 (non-emergency); (631) 632-3333 (emergency) (Separate campus police department for the SUNY Stony Brook campus.)

Courts

  • Suffolk County District Court — 400 Carleton Ave, Central Islip, NY 11722 | (631) 853-7500
  • Brookhaven Town Justice Court — 3233 Route 112, Medford, NY 11763 | (631) 451-6200
  • Suffolk County Supreme Court — 1 Court St, Riverhead, NY 11901 | (631) 852-2332

Local Driver Services in Stony Brook

Practical resources for Stony Brook drivers — tire shops, gas prices, and live traffic conditions.

Tire Shops Best Tire Shops in Stony Brook Top-rated by Google reviews Gas Prices Cheapest Gas in Stony Brook Updated daily from station feeds Construction Active Long Island Construction Live work-zone directory Live Map Real-time Long Island Traffic Accidents, closures, and weather

Safety Resources

Frequently Asked Questions

What should I do after a car accident in Stony Brook, NY?

Call 911 immediately. SCPD's 4th Precinct will respond. Document the scene, exchange insurance information, and collect witness details. Stony Brook University Hospital, a Level I trauma center, is located within the hamlet for emergency medical care. File a police report and notify your insurer.

Which roads are most dangerous in Stony Brook?

Nicolls Road (Route 97/CR 97) is the hamlet's highest-volume corridor and sees frequent collisions, particularly near the Stony Brook University campus entrances. Route 25A through the hamlet is a winding North Shore road with sight-distance limitations. The intersection of Route 25A and Nicolls Road is a persistent high-crash location.

Where is the nearest hospital to Stony Brook?

Stony Brook University Hospital, Suffolk County's only Level I trauma center, is located directly in the hamlet at 101 Nicolls Road. It provides the highest level of emergency and trauma care available on Long Island.

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Data: machine-readable fact sheet (JSON) · fatal-crash records (CSV) · methodology and limits

References

Datasets

  1. [A] National Highway Traffic Safety Administration, Fatality Analysis Reporting System (FARS), 2010–2024 national files. Retrieved September 17, 2026.Crashes on public trafficways in which a person died within 30 days. No personal identifiers. Placed by reported coordinates into 2020 Census boundaries.
  2. [B] U.S. Census Bureau, American Community Survey 2020–2024 5-Year Estimates, tables B08303, B08013, B08301, B08302, B08201, B19013, B01002. Retrieved September 17, 2026.Survey estimates with 90% margins of error. lowReliability = coefficient of variation above 30%.
  3. [C] U.S. Census Bureau, TIGERweb — 2020 Census tabulation geography (POP100, HU100, AREALAND). Retrieved September 17, 2026.
  4. [D] New York State Department of Motor Vehicles, Motor Vehicle Crashes — Case Information: Four Year Window. Retrieved September 17, 2026.Police-reported crashes coded to a town, city or village by the reporting agency. Hamlets are not coded; hamlet pages show the parent town.

Sources for history, roads and law

  1. [2] U.S. Census Bureau. 2020 Gazetteer Files: Places, New York (2020_gaz_place_36.txt) (2020). Government record.
  2. [3] Stony Brook University. History (2026). Academic.
  3. [4] Stony Brook Village Center (Ward Melville Heritage Organization). About Us (2026). Institution.
  4. [6] Suffolk County Police Department. Sixth Precinct (2026). Government record.
  5. [7] Town of Brookhaven / General Code (ecode360). Town of Brookhaven Code, Chapter 84, Notice of Defective or Dangerous Conditions (2026). Government record.
  6. [8] National Park Service, NPGallery. National Register Asset Detail: West Meadow Beach Historic District (Ref. #04001195) (2004). Government record.
  7. [9] Three Village Central School District. Three Village Central School District (home page) (2026). Government record.
  8. [11] Stony Brook University. University Police (2026). Academic.
  9. [12] National Park Service, NPGallery. National Register Asset Detail: Mount, William Sydney, House (Ref. #66000575) (1966). Government record.
  10. [13] National Park Service, NPGallery. National Register Asset Detail: Hawkins Homestead (Ref. #88000727) (1988). Government record.
  11. [14] National Park Service, NPGallery. National Register Asset Detail: Longbotham, Nathaniel, House (Ref. #89002022) (1989). Government record.
  12. [15] National Park Service, NPGallery. National Register Asset Detail: Stony Brook Grist Mill (Ref. #90001140) (1990). Government record.
  13. [16] National Park Service, NPGallery. National Register Asset Detail: St. James Chapel (Ref. #00000583) (2000). Government record.
  14. [17] National Park Service, NPGallery. National Register Asset Detail: Gamecock Cottage (Ref. #07000886) (2007). Government record.
  15. [18] TBR News Media. A look at West Meadow Beach — 12 years post-cottages (2016). News report.
  16. [19] Stony Brook Medicine. Contact Numbers (2026). Academic.
  17. [20] New York State Department of Transportation, Office of Traffic Safety & Mobility. Official Description of Highway Touring Routes... in New York State (CR 97/Nicolls Road entry) (2017). Government record.

Sources opened and checked September 17, 2026.