OK Petroleum delivers clean-burning home heating oil across Holtsville, NY, with transparent per-gallon pricing and fast, friendly service from a family-owned Long Island team.
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Holtsville homeowners have counted on OK Petroleum for home heating oil delivery since 1976, and that long track record is exactly why families across this corner of Suffolk County keep coming back. We are a family-owned Long Island company, not a faceless national chain, so when you order home heating oil in Holtsville, NY you are working with neighbors who understand our winters.
Our pricing stays refreshingly simple. You see a transparent per-gallon price and confirm your total before you check out, with no hidden fees, no surprise charges, and no confusing fine print. Order anywhere from 50 to 500 gallons or ask for a full fill, and pay only for the oil delivery you actually need.
What sets us apart for Holtsville is the combination of speed, honesty, and genuine local service. Most home heating oil orders arrive same-day or next-day, our drivers know the roads around Holtsville and nearby Farmingville and Medford, and there is never a call center between you and a warm home.

OK Petroleum started as a small, family-owned Long Island operation in 1976, and nearly five decades later we are still based right here in Suffolk County, delivering home heating oil to towns like Holtsville. Being local is not a marketing line for us; it shapes how we treat every customer and every delivery.
Our drivers live and work in this area, so they know the neighborhoods of Holtsville and the surrounding communities of Holbrook, Selden, and Patchogue. That familiarity means faster, more accurate heating oil delivery and a team that treats your home the way it would treat a neighbor's.
Keeping Holtsville homes warm through cold Long Island winters is the whole reason we do this work. From the first phone call to the last gallon pumped, our friendly local team handles your home heating oil order personally, with no outsourced call centers and no runaround, just dependable service from people who have served Suffolk County families for generations.

Ordering home heating oil for your Holtsville home takes only a couple of minutes online or through our mobile app, and the four simple steps below walk you through it from start to delivery.
Pick 50 to 500 gallons — or a full fill.
We confirm we deliver to your ZIP instantly.
Transparent per-gallon pricing, no surprise fees.
Fast, reliable delivery you can count on.
OK Petroleum provides home heating oil delivery throughout Holtsville and the 11742 ZIP code, along with the neighboring Suffolk County communities that share our central Long Island service area. Whether your home sits near the highway or tucked into a quiet residential street, our trucks reach it quickly and safely with the home heating oil you need.
Our coverage stretches naturally into nearby Farmingville, Medford, Holbrook, Selden, and Patchogue, so families across this part of Long Island get the same fast, reliable oil delivery. Most orders arrive same-day or next-day, and during the coldest stretches of winter we prioritize getting fuel to homes running low.
For total peace of mind, ask about automatic delivery. Our system tracks the weather and your usage so we schedule your home heating oil before your tank runs dry, meaning no cold mornings and no emergency calls. It is the easiest way for Holtsville homeowners to stay warm all season long.
Yes. We deliver home heating oil throughout Holtsville and the 11742 ZIP code, plus nearby Suffolk County towns like Farmingville, Medford, and Holbrook. Most orders arrive same-day or next-day.
You can order as little as 50 gallons or as much as 500 gallons, or request a full fill. There is no need to buy more oil than your home actually needs.
We show a clear, transparent per-gallon price and confirm your total before checkout. There are no hidden fees or surprise charges, just honest pricing from a local Long Island company.
Absolutely. Our automatic delivery option tracks the weather and your usage so we refill your tank before it runs low, giving Holtsville homeowners one less thing to worry about all winter.