Building Permits in Pennsylvania

We cover 29 cities in Pennsylvania. Select a city below to see local permit requirements.

29 Cities Covered

2,870 Permit Rules

IRC Building Code Base

Building Codes in Pennsylvania

Building permit requirements in Pennsylvania are enforced at the local level, each city and county building department sets its own rules, fees, and timelines. Most cities in Pennsylvania follow the 2021 IRC, though 4 cities are still on the 2018 edition.

We cover 29 cities in Pennsylvania with 2,870 specific permit rules. That's real, locally researched data, not generic advice. Each city page shows exactly what triggers a permit, what's exempt, estimated fees, and how to apply.

The bottom line: don't assume your city follows the same rules as the one next door. A fence that's exempt in one town might need a full permit two miles away. Always check your specific city.

Permit Fees Across Pennsylvania

Across the 29 cities we cover in Pennsylvania, permit fees range from $25 – $5,250. The average sits around $176 – $762.

Fees vary a lot by city and project type. A simple fence permit might run you $50, while a full room addition could be $2,000+. Most cities calculate fees based on your estimated project value, typically 1–2% of construction cost. Check the specific city page for accurate numbers.

Common Permit Exemptions in Pennsylvania

These are the most common projects that don't require a permit across cities in Pennsylvania. Keep in mind, "exempt from a permit" doesn't mean "exempt from code." You still have to build to code even without a permit.

Fence / Gate: Exempt in 57 of our 29 covered cities

Window / Door: Exempt in 36 of our 29 covered cities

Tree Removal: Exempt in 29 of our 29 covered cities

Siding: Exempt in 29 of our 29 covered cities

Shed / Outbuilding: Exempt in 29 of our 29 covered cities

Exemptions vary by city. Always verify with your local building department before starting work.

Contractor Licensing in Pennsylvania

If you're hiring a contractor in Pennsylvania, make sure they're properly licensed. You can verify credentials through the Pennsylvania Attorney General – Home Improvement.

Two rules of thumb: never pay a contractor in full upfront, a third down is standard. And if a contractor tells you "we don't need a permit for this," that's a red flag. Use PermitMint to verify before you sign anything.

Popular Project Guides

Common home improvement projects in Pennsylvania:

Garage / Carport Guide Water Heater Guide Tree Removal Guide Solar Panels Guide Siding Guide Plumbing Work Guide

Cities in Pennsylvania

Philadelphia