Rex says
Money math without the spreadsheet headache. Plug in your numbers and I'll show you exactly where the dollars land.
Try a scenario
Click to load — tweak from there.Inputs
Result
Estimated total permit cost
$189.00
Sign-area based fee
$64.00
Electrical permit fee
$0.00
Psst — share this and help Rex grow
One click, a permanent link with your numbers baked in.
How to use this
- 1Enter base municipal permit fee ($).
- 2Enter sign area (sq ft).
- 3Enter per-sq-ft fee ($).
- 4Enter illuminated sign?.
- 5Enter electrical permit fee (if illuminated) ($).
- 6Enter engineering/stamped drawing cost ($).
- 7Enter rush/expedite fee ($).
- 8Read your estimated total permit cost on the right — it updates as you type.
- 9Hit Share to keep the scenario or send it to someone.
About this calculator
Sign permits are a real line item that projects and quotes routinely forget until a client's job stalls waiting on a municipality. This calculator estimates permit cost from a base municipal fee, a per-square-foot sign-area fee many jurisdictions charge on top of the base, an electrical permit if the sign is illuminated, and a rush/expedite fee for jobs on tight timelines. It also adds a design/engineering review cost since many cities require a stamped drawing for larger or projecting signs. Typical numbers vary enormously by city — a simple non-illuminated wall sign permit might run $75-$200 flat in a small town, while a large illuminated monument sign in a mid-size city with electrical inspection and engineering review can run $500-$2,000+ all in. Always verify with the specific jurisdiction since sign codes, especially around illumination, size limits in certain zoning districts, and historic district overlays, vary block to block in some cities.
Worked example
Using the values the calculator loads with:
Inputs
- Base municipal permit fee: 125 $
- Sign area: 32 sq ft
- Per-sq-ft fee: 2 $
- Illuminated sign?: No
- Electrical permit fee (if illuminated): 150 $
- Engineering/stamped drawing cost: 0 $
- Rush/expedite fee: 0 $
Results
- Estimated total permit cost: $189.00
- Sign-area based fee: $64.00
- Electrical permit fee: $0.00
What each field means
Inputs
- Base municipal permit fee ($)
- The base municipal permit fee used in the calculation, measured in $. Starts at 125 $ so you have a working example on load.
- Sign area (sq ft)
- The sign area used in the calculation, measured in sq ft. Starts at 32 sq ft so you have a working example on load.
- Per-sq-ft fee ($)
- The per-sq-ft fee used in the calculation, measured in $. Starts at 2 $ so you have a working example on load.
- Illuminated sign?
- Pick the option that matches your situation — the maths changes per option. Choices: No, Yes — needs electrical permit.
- Electrical permit fee (if illuminated) ($)
- The electrical permit fee (if illuminated) used in the calculation, measured in $. Starts at 150 $ so you have a working example on load.
- Engineering/stamped drawing cost ($)
- The engineering/stamped drawing cost used in the calculation, measured in $. Starts at 0 $ so you have a working example on load.
- Rush/expedite fee ($)
- The rush/expedite fee used in the calculation, measured in $. Starts at 0 $ so you have a working example on load.
Results
- Estimated total permit cost
- Returned as a money amount in US dollars and shown as the headline result. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Sign-area based fee
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Electrical permit fee
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
FAQ
Who typically applies for the sign permit — the shop or the client?
It varies by shop policy, but many sign companies handle the permit application as a service since they know the local code and drawing requirements, then bill it as a line item plus a coordination fee. Some clients prefer to pull it themselves to avoid the markup.
Does every sign need a permit?
No — most jurisdictions exempt small, non-illuminated window signs, temporary banners under a size and time-duration threshold, and real estate signs. Wall-mounted, monument, projecting, and any illuminated or electrical sign almost always require a permit.
Why would a sign need engineering review?
Larger signs, projecting signs over sidewalks, and monument signs with structural footings often require a stamped engineering drawing showing wind load calculations, which many cities mandate above a certain size or weight threshold for public safety.
How long does permit approval typically take?
Simple wall signs in many cities process in 1-3 weeks; illuminated or monument signs needing electrical and zoning review can take 4-8 weeks, longer in cities with design review boards or historic districts. Build that lead time into client timelines upfront.
Accuracy and limitations
- Results are estimates before tax, fees, and inflation unless an input explicitly covers them.
- Rates are treated as fixed for the whole period — variable-rate products will drift from this projection.
- This is educational maths, not financial advice. Check anything contractual with the lender or your accountant.
Related tools
Banner & Sign Install Labor Cost Calculator
Crew time, lift rental, and travel rolled into an install quote.
Channel Letter Sign Cost Calculator
Estimate illuminated channel letter cost from letter count and size.
Sign Shop Hourly Rate Calculator
Back into the hourly rate your shop needs to charge to hit targets.
Cite this calculator
Writing about this topic? Grab a citation — every link helps keep these tools free.
RevenueLab. (2026). Signage Permit Cost Estimator. Retrieved from https://www.revenuelab.fyi/toolbox/signage-permit-cost
<p>Source: <a href="https://www.revenuelab.fyi/toolbox/signage-permit-cost" target="_blank" rel="noopener">Signage Permit Cost Estimator — RevenueLab</a> (2026).</p>
Source: [Signage Permit Cost Estimator — RevenueLab](https://www.revenuelab.fyi/toolbox/signage-permit-cost) (2026).