Most residential shed building permits cost between $75 and $350. Permits in major metros (LA, NYC, Chicago, Seattle) tend to run higher. Rural and smaller municipalities are often lower. Additional costs — electrical permits, engineering plans in Florida or Colorado mountain communities, and survey requirements in some jurisdictions — can push total permit-related costs to $500–$1,500 in some cases.
How Building Departments Calculate Permit Fees
Most jurisdictions use one of these fee calculation methods:
- Flat fee by structure type: A set fee for "residential accessory structure" regardless of exact size. Common in smaller cities and counties. Typically $75–$200.
- Fee based on construction valuation: The permit fee is calculated as a percentage of the estimated construction cost of the project. Standard building valuation tables (published by the ICC) estimate construction cost per square foot. A 12×16 shed valued at $8,000 at $5/1,000 valuation rate = $40 permit fee as a base; add plan review fees and inspection fees to get to $100–$300 total.
- Fee per square foot: Some jurisdictions charge a set dollar amount per square foot of the permitted structure. At $1.50/sq ft, a 200 sq ft shed would cost $300 in permit fees alone.
Typical Permit Fee Ranges by Jurisdiction Type
| Jurisdiction Type | Typical Building Permit Fee | Notes |
|---|---|---|
| Rural county / small town | $50–$150 | Often flat fee; simple application process |
| Mid-size city (pop 50K–200K) | $100–$250 | Valuation-based or flat fee; online portals common |
| Large metro area | $150–$400 | Often valuation-based with separate plan review fees |
| High-cost metro (LA, NYC, Seattle, SF) | $200–$600+ | Higher valuation rates; additional surcharges common |
| Florida (any county) | $150–$500+ | Engineer plans add $300–$800; NOC recording adds $15–$20 |
| Colorado mountain community | $100–$300 + engineering | Snow load engineering adds $400–$800 |
| Retroactive / after-the-fact permit | 2×–3× standard fee | Most jurisdictions charge a penalty multiplier |
Other Costs to Budget Beyond the Permit Fee
Plan Review Fee (Separate from Permit Fee)
Many jurisdictions charge a plan review fee separately from the permit issuance fee. For simple residential sheds, plan review is sometimes included in the permit fee or waived. For larger structures or jurisdictions that require engineered plans, a plan review fee of $75–$200 is common.
Inspection Fees
Most jurisdictions include inspections in the permit fee. Some charge per inspection. If additional re-inspections are required because work failed the first inspection, there may be re-inspection fees ($50–$150 each).
Electrical Permit
If you're adding electricity to the shed, an electrical permit is required separately. Typical range: $75–$200 for a shed electrical installation.
Engineering Plans (Florida, Colorado Mountains, Large Structures)
Some jurisdictions require engineer-stamped plans for all permitted sheds:
- Florida (for sheds over 150 sq ft): $300–$800 for a licensed Florida architect or engineer to prepare and sign plans — unless your shed model has a Florida Product Approval (FPA) number
- Colorado mountain communities: $400–$800 for snow load engineering for a simple shed structure
- Any jurisdiction requiring full structural plans for larger sheds: $400–$1,500+
Property Survey
Some jurisdictions — most notably Raleigh, NC — require a current signed-and-sealed property survey as part of every shed permit application. If you don't have a recent survey, this adds $400–$800 to your project cost.
Notice of Commencement (Florida)
Florida requires a Notice of Commencement recorded with the county clerk for most permitted projects. Recording fee: approximately $10–$20.
Environmental Health Fee (Septic Properties)
Properties with septic systems in some jurisdictions (Wake County NC, many Florida counties) require Environmental Health Department approval before a shed permit is issued. This may involve a site visit fee of $50–$200.
How to Get an Accurate Quote Before You Apply
The most reliable way to know your permit cost before committing:
- Call your building department with your shed's dimensions and proposed location
- Ask specifically: "What is the total permit fee for a [X] sq ft detached residential storage shed, including plan review and inspections?"
- Also ask: "Are there any additional fees, requirements, or outside agency approvals I need to budget for?"
- Many jurisdictions also publish their fee schedules online — search "[your city] building permit fee schedule"