The permit fee for a standard fence in Charlotte County is around $75 to $150 depending on linear footage. The permit fee for an HVAC replacement in Punta Gorda starts around $75.
You look at that number and you think: I have spent more than that on a dinner I don't even remember. Is the permit really necessary?
Let me show you the math.
You add a deck. Nice deck. 400 square feet, composite decking, built-in benches. The contractor — a nice guy, works fast, gives you a good price — says he can skip the permit to save you the hassle and bring the price down a little.
You agree. The deck gets built. It looks great.
Year 1: Nothing. The deck is great.
Year 3: You try to refinance the mortgage at a lower rate. The appraiser comes out. Notes the deck. Asks for the permit. You don't have one. The deck cannot be counted in the square footage calculation. Your appraised value is lower than it should be. Your refinance falls through or comes in at worse terms.
Year 5: You get a quote on homeowner's insurance. The adjuster notes the deck during inspection. Flags it as an unpermitted structure. Your policy gets a rider excluding coverage for deck-related claims. A guest trips on the deck, you file a claim — it's denied.
Year 7: You sell the house. The buyer's attorney pulls permit history. No deck permit. The buyer wants a $12,000 price reduction to cover the risk of an after-the-fact permit. You negotiate. Settle at $8,000 less than asking. Plus the $2,500 cost of the ATF permit your attorney says you should pull before closing to protect yourself. Plus the $800 in attorney fees.
Total cost of skipping the $150 permit: approximately $11,300. And years of low-level anxiety every time you have someone in your backyard.
Your HVAC goes out in August. Peak Florida summer. The contractor who can be there tomorrow says he can do it "off the books" to save you the permit cost and the inspection wait.
You say yes because it is 94 degrees inside and you have a toddler.
The immediate problem: Unpermitted HVAC work voids the manufacturer warranty on the equipment. You now own a $6,000 system with no warranty.
Two years later: The system underperforms. There is a refrigerant issue. You call for service. The tech asks for the permit number. There is none. He notes it. Your service warranty from the installer — which you thought you had — is voided because unpermitted installation is an explicit exclusion.
Four years later: You have a fire. It starts near the air handler. The insurance company investigates. Determines the unit was installed without a permit and therefore without inspection. Denies the structural claim on the grounds that the unpermitted installation may have contributed to the fire.
The permit inspection exists precisely to catch installation errors before they become fires.
Cost of skipping the $75 permit: potentially your entire home.
If the county discovers unpermitted work — through an inspection for another project, a neighbor complaint, a code enforcement sweep, or a sale — they will require an after-the-fact permit. Most jurisdictions charge 2x to 3x the original permit fee as a penalty. Some charge more.
And they will require inspections. Which may require opening walls, ceilings, or floors to inspect work that was done years ago. By a contractor you may no longer be able to reach.
| Scenario | Permit cost | Cost of skipping permit |
|---|---|---|
| Deck | $150 | $8,000–$15,000 at sale |
| HVAC | $75 | Voided warranty + potential insurance denial |
| Roof | $200–$400 | Insurance claim denial post-storm |
| Room addition | $500–$1,500 | Reduced appraised value + ATF costs |
| Fence | $75–$150 | Minor, but compounds with other unpermitted work |
Permits Automated generates your complete permit application packet — every form pre-filled for your specific jurisdiction, Charlotte County or Punta Gorda or wherever the job is — in minutes. The process that used to take an afternoon of downloading forms, filling them out by hand, and hoping you had the right version now takes about ten minutes on your phone.
The permit is not the expensive part of your project. Not pulling it is.