Adopted edition
IRC 2021
Local amendments override state floor.
MD · County
Baltimore County, MD.
Baltimore County is a coastal MD jurisdiction — design wind 120 mph.
Design wind speed
120 mph
ASCE 7 Risk Cat II, 3-second gust at 33 ft. Drives fastener spacing, hold-downs, and opening protection.
Climate zone (IECC)
4A
Drives R-value, fenestration U-factor, and air-leakage envelope rules.
Special zones
- HVHZ
- WBDR
- WUI
- FEMA SFHA possible
Permit office
Baltimore County County — baltimorecountymd.gov
www.baltimorecountymd.gov/departments/paiCommon amendments + overlays
What's specific to this county.
- §01 Coastal flood-zone overlays (FEMA AE/VE).
- §02 County has local amendments to the state floor — consult the building department.
Working in Baltimore County?
Pull an address-level code packet for any property in Baltimore County. SkyCanvass resolves the parcel, looks up the adopted edition + the Baltimore County-specific amendments listed above, and emits a cited packet ready for permit submittal.
See the Maryland state overview for the broader context, or browse the state directory.
Pull a Baltimore County code packet.
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