May 25, 2026 — 11:30 PM. A shelter-in-place order is in effect for residents surrounding 2036 Bellmore Avenue in Bellmore after a valve on a 1,150-gallon propane cylinder began leaking at a liquefied petroleum gas filling station. Hazmat crews are on scene. No injuries have been reported.
What Happened
The Bellmore Fire Department arrived on scene at 5:56 PM on Memorial Day to address a propane leak at the filling station located at Island Greenery Nursery, near Martin Avenue.
The leak originated from a valve on a 1,150-gallon cylinder used to fill smaller 20-pound tanks — the type used for backyard barbecue grills. The leak prompted an immediate response from hazmat crews and the Nassau County Fire Marshal’s Office.
According to the Nassau County Fire Marshal, the hazmat team was working to lower the pressure in the cylinder and prevent additional propane gas from escaping. A vendor was also dispatched with replacement valves to attempt a repair when conditions were safe.
A Newsday photographer on scene captured firefighters spraying water near the building and tank, with what appeared to be a bright orange flame visible leaping skyward adjacent to the structure.
Shelter-in-Place — What That Means
The Nassau County Office of Emergency Management issued the shelter-in-place advisory for blocks surrounding the station. Residents in the affected area are advised to:
- Stay indoors with windows and doors closed
- Turn off HVAC systems that draw outside air
- Do not approach the area on foot or by vehicle
- Monitor local news and emergency alerts for updates on when the order is lifted
- If you smell gas, leave the area immediately and call 911
Propane is heavier than air and pools at ground level, making low-lying areas particularly hazardous. A 1,150-gallon cylinder represents a significant volume — approximately 57 times the size of a standard 20-pound barbecue tank.
Road Impact
Bellmore Avenue near Martin Avenue should be considered closed or restricted while the hazmat operation continues. Expect fire apparatus, emergency vehicles, and road blocks in the area.
Detour routes:
- Northbound/southbound traffic on Bellmore Avenue should use Merrick Road or Sunrise Highway as alternate north-south routes
- Local traffic should avoid the Martin Avenue / Bellmore Avenue intersection entirely
This is expected to be an extended operation — the Bellmore Fire Department indicated that the Nassau County OEM is coordinating sheltering and rest breaks for first responders, suggesting this may continue overnight.
What We’re Watching
- Whether the valve repair succeeds and the shelter-in-place is lifted
- Whether any evacuation orders are issued (currently shelter-in-place only)
- Fire investigation into the cause of the valve failure
- Whether the flame visible in photos indicates an active fire or controlled burn-off
Update — 7:00 PM
According to PIX11, a Fire Marshal said the leak was under control as of 7:00 PM. Drivers were encouraged to avoid Bellmore Avenue between Martin and Wilson Avenues while crews continued working to fully secure the cylinder. The shelter-in-place order has not been officially lifted as of the latest reports.
CBS New York also covered the incident, confirming firefighters responded to the propane filling station on Bellmore Avenue.
This story was updated at 5:00 AM on May 26 with additional details on the leak status.
Sources: Newsday | Nassau County Fire Marshal’s Office | Bellmore Fire Department | PIX11 | CBS New York