Adopted edition
IRC 2021 (Uniform Construction Code)
Effective
State · PA
Pennsylvania building codes at a glance.
Statewide UCC based on IRC 2021. Major metros (Philadelphia, Pittsburgh, Allegheny) enforce locally; rural counties via L&I.
PA Pennsylvania
IECC zones 4A, 5A, 6A · ASCE 7 design wind 90–115 mph
Adoption model
Statewide
Permits issued: State
Coverage status
Indexed
Parcel layer + adopted-edition library + amendment overlay all live.
Climate zones (IECC)
4A · 5A · 6A
Drives R-value, fenestration U-factor, and air-leakage envelope rules.
Design wind speed
90–115 mph
ASCE 7 Risk Category II, 3-second gust at 33 ft. Fastener spec follows.
Special zones
- HVHZ (not applicable)
- WUI (not applicable)
- FEMA SFHA overlays (present)
Compliance track
What's required to build here.
Pennsylvania Uniform Construction Code (UCC) is statewide. Department of Labor & Industry enforces. Phila and Pittsburgh have own implementations.
Statute reference: www.dli.pa.gov/ucc
County directory
All 67 counties in Pennsylvania.
Each county page shows the adopted edition, county-level amendments, and permit-office contact.
- Adams County
- Allegheny County
- Armstrong County
- Beaver County
- Bedford County
- Berks County
- Blair County
- Bradford County
- Bucks County
- Butler County
- Cambria County
- Cameron County
- Carbon County
- Centre County
- Chester County
- Clarion County
- Clearfield County
- Clinton County
- Columbia County
- Crawford County
- Cumberland County
- Dauphin County
- Delaware County
- Elk County
- Erie County
- Fayette County
- Forest County
- Franklin County
- Fulton County
- Greene County
- Huntingdon County
- Indiana County
- Jefferson County
- Juniata County
- Lackawanna County
- Lancaster County
- Lawrence County
- Lebanon County
- Lehigh County
- Luzerne County
- Lycoming County
- McKean County
- Mercer County
- Mifflin County
- Monroe County
- Montgomery County
- Montour County
- Northampton County
- Northumberland County
- Perry County
- Philadelphia County
- Pike County
- Potter County
- Schuylkill County
- Snyder County
- Somerset County
- Sullivan County
- Susquehanna County
- Tioga County
- Union County
- Venango County
- Warren County
- Washington County
- Wayne County
- Westmoreland County
- Wyoming County
- York County
City directory
10 cities indexed in Pennsylvania.
City pages list local amendments, the parent county, and the local permit office.
Working in Pennsylvania?
Pull an address-level code packet for any property. SkyCanvass resolves the parcel, looks up the jurisdiction's adopted edition + amendments, and emits a cited packet ready for permit submittal.
For state-vs-state comparisons see the state comparison view, or browse the state directory.
Pull a PA code packet.
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