— Suffolk County propane service
Propane service that shows up.
Locally owned delivery, installation, and service for Long Island homeowners who want straight answers and dependable work.
24/7
Emergency response
Free
Tank monitor + monthly monitoring
Local
Riverhead based, Suffolk focused
Direct
Wholesale pricing for retail customers
Built for the way you actually use propane.
Locally owned delivery, installation, and service for Long Island homeowners who want straight answers and dependable work.
631 Propane combines local ownership with the capacity to serve customers across Suffolk County. You get practical help, clear communication, and a team equipped for everyday delivery as well as complete system installation.
Based in Riverhead
One local team. Every propane need.
From the first site visit through delivery and long-term service, 631 Propane keeps the work under one roof.
01
Reliable propane delivery paired with a free wireless tank monitor and free monthly monitoring.
02
Aboveground and underground systems, including permits, piping, connections, and final inspection.
03
Fireplace cleaning and service for propane appliances, handled by an experienced local team.
04
A direct number and 24/7 emergency support when a propane issue cannot wait until morning.
Tank level
Updated Today
All Good
Daily tank visibility. No extra monthly charge.
Every monitored tank gives you a clearer picture of your propane level and gives our team better information for delivery planning.
- Free wireless tank monitor
- Daily level tracking
- Free monthly monitoring
- Fewer last-minute surprises
Local ownership with the drive to build something better.
Owner Frank Fisher built his businesses from the ground up. 631 Propane brings that same no-nonsense approach to a service people rely on: answer the phone, do the job right, and keep investing in the capacity to serve Long Island customers well.
Now building the largest propane depot on Long Island.
Suffolk County is home base.
631 Propane is based in Riverhead and serves homeowners and businesses across the county.
- Brookhaven
- Southampton
- East Hampton
- Riverhead
- Southold
- Islip
- Smithtown
- Huntington
Clear answers before the work begins.
A propane provider should make things simpler. Start with the questions we hear most often.
Where does 631 Propane provide service?
We are based in Riverhead and serve most of Suffolk County, including Brookhaven, Southampton, East Hampton, Riverhead, Southold, Islip, Smithtown, and Huntington. We do not currently serve Shelter Island.
Is tank monitoring really included?
Yes. 631 Propane offers a free wireless tank monitor with free monthly monitoring, so you can track levels daily and reduce the risk of running out.
Can you handle a complete new installation?
Yes. New installations can include aboveground or underground tanks, permitting, code-compliant piping, appliance connections or conversions, a leak test, and final inspection.
Tell us what you need. We will take it from there.
Planning a new installation, switching providers, or looking for service? Send the basics and the 631 Propane team will follow up.