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NJ · County

Sussex County, NJ.

Sussex County is in NJ (IECC zone 4A, design wind 100 mph).

Coverage in progress
Adopted edition

IRC 2021

Inherits from NJ state floor.

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)

4A

Drives R-value, fenestration U-factor, and air-leakage envelope rules.

Special zones
  • HVHZ
  • WBDR
  • WUI
  • FEMA SFHA possible
Permit office

Sussex County County Building Department

Working in Sussex County?

Pull an address-level code packet for any property in Sussex County. SkyCanvass resolves the parcel, looks up the adopted edition + the Sussex County-specific amendments listed above, and emits a cited packet ready for permit submittal.

See the New Jersey state overview for the broader context, or browse the state directory.

Pull a Sussex 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.