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NJ · County

Warren County, NJ.

Warren 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

Warren County County Building Department

Working in Warren County?

Pull an address-level code packet for any property in Warren County. SkyCanvass resolves the parcel, looks up the adopted edition + the Warren 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 Warren County code packet.

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