How Much Does a 500 Gal Propane Tank Cost?

Published on June 23, 2026 | Written by Alec Pow
This article was researched using 15 sources. See our methodology and corrections policy.

A 500-gallon propane tank is a bulk residential fuel container for homes that run heat, hot water, cooking, fireplaces, pool heat, or a standby generator on propane. For a US homeowner, the installed project can land in the low thousands before the first fill, then rise when the tank is buried, the gas line is long, permits are required, or site access is difficult.

The bill has four parts: the tank shell, the setting work, the piping and regulator work, and the first propane delivery. Exact quotes stay local because dealers price labor, fuel, delivery, lease terms, and inspection work by property.

Plan the unit as one installed tank project plus one fuel load. Above-ground placement, underground placement, line length, appliance count, and dealer ownership terms decide whether the job stays simple or turns into an excavation and gas-line project.

How Much Does a 500 Gal Propane Tank Cost?

Jump to sections

• HomeGuide’s January 2026 propane installation guide lists a 500-gallon propane tank at $1,000 to $2,500 (equivalent to 2.1 workweeks at $30 per hour, or about $1,000 in 1990 dollars) installed for an average home, with above-ground tank installs at $300 to $3,000 and underground installs at $1,500 to $5,000 in its propane installation ranges.
• AmeriGas says a 500-gallon tank holds 400 gallons when full, and EIA listed residential propane at $2.674 per gallon for March 30, 2026, so a full usable load is 400 × $2.674 = $1,069.60 using AmeriGas tank capacity and EIA weekly propane data.
• Angi’s April 2026 guide puts many propane tank installation projects at $600 to $2,500 and flags permits starting at $150 in its propane tank project data.
• This Old House’s 2026 guide lists 500-gallon above-ground installation at $1,000 to $2,000 and underground installation at $1,500 to $2,500, so the published underground premium is $500 at both ends of that range in its 500-gallon install table.

What we verified

• Checked licensed installation, site survey, permit guidance, pads, line testing, and first delivery steps through AmeriGas installation steps.
• Confirmed tank dimensions, ASME status, regulator need, and above-ground or underground model notes from Propane Tank Depot.
• Cross-referenced buy-versus-lease limits and underground tank price language through Propane Depot guidance.
• Verified the March 30, 2026 US residential propane price and state spread through a propane price tracker.

Worked total for an above-ground tank

A clean above-ground job has fewer moving parts than a buried tank. The tank is set on blocks or a pad, the crew runs the propane line, installs the regulator set, pressure-tests the system, and schedules the first fuel delivery. If the house has short access from the tank to the appliances, the job stays closer to a service visit than a yard project.

Using the HomeServe October 2025 500-gallon install range of $1,500 to $2,500 (about $1,000 in 1990 dollars) and the YCharts March 30, 2026 propane price of $2.674 per gallon, a homeowner who pays $2,000 for the installed tank and buys 400 gallons pays $2,000 + 400 × $2.674 = $3,069.60, before permit fees or appliance repairs, based on the HomeServe tank guide and YCharts propane reading.

What this is in plain terms

A 500-gallon propane tank is a stationary steel vessel for bulk home fuel. It is used when a property needs more stored propane than grill cylinders or small exchange tanks can provide. It feeds appliances through fixed piping and a pressure-regulated system, so it belongs in the same planning bucket as home heating equipment, not backyard cooking supplies.

The tank can sit above ground or below ground. It is smaller than many farm and large commercial systems, but large enough for a house that needs scheduled bulk delivery. It also differs from a small propane exchange tank, which is portable and tied to short-use appliances.

Labor versus materials

The tank shell is only one line. The installed quote can include delivery, crane or boom access, blocks or a pad, regulator hardware, service piping, trenching, pressure testing, permits, inspection coordination, and appliance tie-in. A propane company may bundle some of those costs into fuel terms when it owns the tank, which can make the up-front bill look lower than an owned-tank quote.

That split matters because a homeowner may be comparing two different products. One quote may be a purchased tank set and connected by a licensed installer. Another may be a leased tank with lower cash due now and fuel commitments later.

Quote line	Unit the contractor prices	Why it moves the total
Tank shell	Tank size and placement type	Buried models need extra coating and riser parts.
Setting work	Visit, equipment, pad, or excavation	Access for a delivery truck or boom can change labor time.
Gas line	Linear run and number of appliances	A long run to a generator or water heater adds pipe and testing.
First fill	Gallons delivered	Fuel is a separate market-priced line after the tank is ready.

Above-ground and underground installs

Above-ground installation is the lower-friction route when the yard has legal clearance, level ground, and delivery-truck access. The crew can place the tank, connect the gas line, test the system, and leave the tank visible for future service. That visibility can bother homeowners, but it makes valves, gauges, paint, and fittings easier to inspect.

Underground installation changes the project. The hole, backfill, coated tank, riser, and corrosion-protection parts add labor and planning, and the yard may need repair after the tank is buried. HomeGuide’s separate 2026 tank guide lists a 500-gallon installed home tank at $1,500 to $2,000 (about $800 in 1990 dollars) and a buried 500-gallon tank near $1,900 for many homeowners in its home propane tank costs. Underground can be the right property choice, but it is rarely the lowest first quote.

Line items and regional access

Longer gas runs, generator hookups, rocky soil, wet ground, a sloped driveway, old-tank removal, and appliance changes can add real money. HomeGuide lists concrete pad work at $75 to $200, above-ground gas-line connection at $75 to $300, underground gas-line connection at $300 to $700, excavation or trenching at $500 to $1,000, and delivery fees from $25 to $300 in its installation factor table.

Regional fuel pricing also changes the first fill. The same 400-gallon usable fill can feel modest in a low-price Midwest state and painful in a high-price Northeast market. For buried work, a private utility locating visit may be a small planning cost compared with striking an unmarked line.

Buy, lease, or rent

Owning the tank can let a homeowner request propane bids from more than one dealer, provided local suppliers are willing to fill customer-owned equipment. That freedom matters when fuel price swings are the biggest part of the lifetime bill. The trade is higher cash out front and more responsibility for inspection, upkeep, paint, valves, and eventual replacement.

Leasing or renting can reduce the first check and may shift service work back to the supplier. The price is less control. HomeGuide lists propane tank rental at $50 to $200 per year and a 500-gallon rental at $60 to $180 per year, with refills tied to the leasing company and minimum-use terms, in its tank rental section. Read the removal rule before signing. Tank pickup after switching suppliers can be an unpleasant bill.

Real quote cases

Budget above-ground case. A homeowner with a clear rural pad location, short pipe run, and one or two propane appliances may fit the lower installed path. Today’s Homeowner’s April 2025 guide places basic above-ground installs near $600 and many complete jobs near $1,400 in its propane tank install guide.

Buried yard case. A homeowner who wants the tank out of sight pays for the hole, coated tank, riser, backfill, and restoration work. Kauffman Gas says a hole for a 500-gallon underground tank measures about 11 feet long, 4 feet wide, and 5 feet deep, and says above-ground placement can save installation money in its aboveground versus underground guide.

Generator-focused case. A standby generator can push the quote upward when the tank sits far from the unit or the installer must add regulators, venting, and final connections. Kauffman Gas’s January 2026 size guide says a 500-gallon tank can cost around $1,000 to fill and is one of the tank sizes approved for underground installation in its tank size price guide.

When a 500-gallon tank makes sense

A 500-gallon tank works for homes that need bulk propane but do not need the footprint of a much larger tank. It can serve home heating, a propane water heater installation, cooking, fireplaces, and a generator. The tank is a weaker buy when the property only needs fuel for a grill, patio heater, or short seasonal use.

It also fits homeowners who can handle a larger first fill and who have a compliant place for the vessel. A buried tank resembles oil tank replacement in one respect: the quote can shift fast once excavation, access, soil, and inspection work enter the job.

Makes sense if

• The home uses propane for heat, hot water, cooking, or generator runtime.
• The property has safe delivery access and a compliant tank location.
• You want fewer deliveries than a smaller residential tank would need.
• You plan to stay long enough for ownership or lease terms to matter.

Doesn’t make sense if

• The house only needs propane for a grill or short seasonal appliance.
• The yard cannot meet clearance, access, or inspection rules.
• You may switch soon to natural gas, electric heat, or another system.
• You want supplier freedom but local dealers will not fill customer-owned tanks.

Article Highlights

• A 500-gallon propane tank project is priced as tank, install labor, line work, and first fill.
• Above-ground placement is the lower-friction route when the site meets clearance rules.
• Underground placement adds excavation, special tank prep, riser work, and yard repair risk.
• The first fill can exceed $1,000 at a national residential price near $2.674 per gallon.
• Leasing lowers early cash but may lock fuel delivery to one supplier.
• Owned tanks can improve bid flexibility, but the owner carries more service responsibility.

Answers to Common Questions

How much propane does a 500-gallon tank hold?

A 500-gallon propane tank holds about 400 gallons when full because space is left for propane expansion.

Is an underground propane tank better than an above-ground tank?

Underground placement hides the tank and protects it from some surface damage. Above-ground placement costs less to set and is easier to inspect.

Can I install a 500-gallon propane tank myself?

No. Propane tank placement, regulators, gas lines, and leak testing should be handled by a licensed propane professional.

Should I buy or rent a propane tank?

Buying fits homeowners who want fuel-supplier choice and can handle the up-front cost. Renting fits homeowners who prefer lower early cash and supplier-managed service.