Adopted edition
IRC 2018
Local amendments override state floor.
MS · County
Harrison County, MS.
E'GULF COAST COUNTY - Gulfport (~70,000), Biloxi (~45,000), ' || E'Wind speed: 150-170 mph (coastal). WIND-BORNE DEBRIS REGION (WBDR).
Design wind speed
130 mph
ASCE 7 Risk Cat II, 3-second gust at 33 ft. Drives fastener spacing, hold-downs, and opening protection.
Climate zone (IECC)
2A
Drives R-value, fenestration U-factor, and air-leakage envelope rules.
Special zones
- HVHZ
- WBDR
- WUI
- FEMA SFHA possible
Permit office
Harrison County County — co.harrison.ms.us
www.co.harrison.ms.usCommon amendments + overlays
What's specific to this county.
- §01 WBDR — Wind-Borne Debris Region rules trigger impact-rated glazing or shutters.
- §02 Coastal flood-zone overlays (FEMA AE/VE).
- §03 County has local amendments to the state floor — consult the building department.
City directory
5 cities indexed in Harrison County.
Each city page lists the local amendments (if any), parent county, and the local permit office.
Working in Harrison County?
Pull an address-level code packet for any property in Harrison County. SkyCanvass resolves the parcel, looks up the adopted edition + the Harrison County-specific amendments listed above, and emits a cited packet ready for permit submittal.
See the Mississippi state overview for the broader context, or browse the state directory.
Pull a Harrison County code packet.
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.