IRC 2015 (DC Construction Code 2017)
Effective
State · DC
Single jurisdiction on DC Construction Codes (IRC 2015 base + DC amendments, codified as DC Construction Code 2017). All work permits centrally through DOB.
Effective
Permits issued: State
Parcel layer + adopted-edition library + amendment overlay all live.
4A
Drives R-value, fenestration U-factor, and air-leakage envelope rules.
95–110 mph
ASCE 7 Risk Category II, 3-second gust at 33 ft. Fastener spec follows.
Compliance track
DC Construction Codes (12 DCMR) governs all permits; DCRA / DOB issues all approvals.
Statute reference: dob.dc.gov/page/construction-codes
County directory
Each county page shows the adopted edition, county-level amendments, and permit-office contact.
City directory
City pages list local amendments, the parent county, and the local permit office.
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.
Free to start — property lookups, state code access, the hail map, and your first storm report on us. No credit card required to look up an address.