Adopted edition
IBC 2021
Local amendments override state floor.
AK · Borough
Petersburg Borough, AK.
Petersburg. Adopted 2021 IRC/IBC for Service Area 1 per Ordinance 2021-07.
Design wind speed
100 mph
ASCE 7 Risk Cat II, 3-second gust at 33 ft. Drives fastener spacing, hold-downs, and opening protection.
Climate zone (IECC)
6
Drives R-value, fenestration U-factor, and air-leakage envelope rules.
Special zones
- HVHZ
- WBDR
- WUI
- FEMA SFHA possible
Permit office
Petersburg Borough County Building Department
Common amendments + overlays
What's specific to this borough.
- §01 County has local amendments to the state floor — consult the building department.
Working in Petersburg Borough?
Pull an address-level code packet for any property in Petersburg Borough. SkyCanvass resolves the parcel, looks up the adopted edition + the Petersburg Borough-specific amendments listed above, and emits a cited packet ready for permit submittal.
See the Alaska state overview for the broader context, or browse the state directory.
Pull a Petersburg Borough code packet.
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