Why You Need Two Permits (and Two Fees)
Most homeowners are surprised to learn that a propane tank installation typically requires two separate permits with two separate fees: the LP tank installation permit (for the tank itself) and the gas piping permit (for the supply line from tank to home). In many jurisdictions both are issued at the same counter and may appear on the same invoice. In others, the gas piping permit is handled by a separate division or requires a separate application.
Always ask about both when calling your building department: "What permits do I need for a [size]-gallon propane tank and the gas line to my house, and what are the fees for each?"
Fee Ranges by Jurisdiction Type
| Jurisdiction Type | Above-Ground Tank Permit | Underground Tank Permit | Gas Piping Permit |
|---|---|---|---|
| Major city (top 50 metros) | $75–$150 | $100–$200 | $50–$100 |
| Suburban county | $50–$100 | $75–$150 | $35–$75 |
| Small city (<50,000 pop.) | $35–$75 | $60–$125 | $25–$60 |
| Rural county (code adopted) | $25–$60 | $50–$100 | $25–$50 |
| Rural county (no code) | $0 (no permit required) | Verify — may be $0 or minimal | May be $0 |
What Drives Permit Fees Up
- Underground installation — More complex review and multiple inspections = higher fees
- Plan review requirement — Some jurisdictions require a formal plan review for larger tanks (1,000+ gal), which adds a plan review fee on top of the permit fee
- Valuation-based fees — Some jurisdictions calculate permit fees as a percentage of the project's estimated construction value rather than a flat fee. For a $2,000 tank installation, a 3% fee schedule yields a $60 permit fee; for a $5,000 underground installation, the same rate yields $150
- High cost-of-living areas — Permit fees in California, New York, and the Pacific Northwest are generally at the high end of ranges
- Re-inspection fees — If your installation fails the first inspection, most jurisdictions charge a re-inspection fee of $25–$75
Permit Fees by Selected State
| State | Typical Tank Permit Fee | Notes |
|---|---|---|
| Texas | $35–$100 | Varies widely; rural counties often $0 |
| Louisiana | $40–$85 | Parish (county) variation is significant |
| Tennessee | $30–$80 | State fire marshal fee structure |
| Kentucky | $35–$75 | Flat fee structure in most counties |
| Ohio | $50–$120 | State Fire Marshal enforces residential LP |
| Pennsylvania | $60–$150 | UCC (Uniform Construction Code) standard fees |
| North Carolina | $45–$100 | State-licensed contractors; county fees |
| Georgia | $40–$90 | County variation; major metro higher |
| Indiana | $35–$80 | State Fire Marshal + local enforcement |
| Michigan | $50–$130 | Building department; EGLE oversight for underground |
| Minnesota | $55–$130 | State-licensed dealers; local AHJ fees |
| Missouri | $30–$75 | Rural counties often minimal fees |
| Iowa | $30–$70 | State LP Gas Bureau oversight |
| Kansas | $25–$65 | Rural areas: minimal or no permit fees |
| Montana | $25–$60 | Many rural counties: no building code adopted |
These are typical ranges based on research into each state's fee structures as of early 2026. Individual county fees may fall outside these ranges. Always verify current fees directly with your local building or fire department.
Is the Permit Fee All I Pay?
The permit fee covers the building department's administrative and inspection costs. It is separate from — and much smaller than — the installation costs you pay to your LP gas contractor. A typical above-ground 500-gallon residential tank installation costs $400–$1,200 in contractor labor and equipment (not including the cost of the tank itself if purchased). The permit fee is a minor line item in that total project cost.
Other costs associated with a propane tank installation beyond the permit fee:
- LP gas contractor labor: $200–$600 for above-ground; $800–$2,000 for underground (includes excavation)
- Tank purchase (if owned, not leased): $300–$1,200 depending on size
- Gas piping: $200–$800 depending on run length and material
- Concrete pad (if needed): $150–$400
- Guard posts (if required): $100–$300 installed