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Building Safety in Westminster, CO (2026)

3 verified building safety rules for Westminster, Colorado, sourced directly from the municipal code and official government pages.

Verified from official government sources

Carbon Monoxide Detectors

Westminster requires carbon monoxide alarms installed to the manufacturer's instructions in buildings covered by the adopted Building Code, under Section 11-9-5(E), which locally replaces International Building Code Section 915.4. The parallel Residential Code amendment, Section R315.1.2, applies the same installation standard to one- and two-family homes.

Westminster Carbon Monoxide Alarm Requirement

Some Restrictions

Westminster Municipal Code § 11-9-5(E)

915.4 Carbon monoxide alarms. Carbon monoxide alarms shall be installed in accordance with the manufacturer's installation instructions and shall comply with Sections 915.4.1 through 915.4.4.

Electrical Permits

Westminster adopts the National Electrical Code, as amended by the Colorado State Electrical Board, as its Electrical Code under Section 11-9-1(b)(3), and any electrical system work needs a building permit under Section 11-9-3(A)(1). Only a short list of minor work, like reinstalling a plug receptacle or repairing a broken switch, is exempt from that permit under Section 11-9-3(A)(2).

Westminster Electrical Permit Requirement

Some Restrictions

Westminster Municipal Code § 11-9-3(A)(2) (Electrical)

Electrical: (a)Listed cord-and-plug connected temporary decorative lighting.(b)Reinstallation of attachment plug receptacles but not the outlets therefor.(c)Replacement of branch circuit overcurrent devices of the required capacity in the same location.(d)Electrical wiring, devices, appliances, apparatus or equipment operating at less than 25 volts and not capable of supplying more than 50 watt...

Plumbing Permits

Westminster adopts the 2021 International Plumbing Code and the Colorado Plumbing Code as its Plumbing Code under Section 11-9-8, and any plumbing system work needs a building permit under Section 11-9-3(A)(1). Only stopping an active leak without replacing pipe, or clearing a stoppage without rearranging fixtures, is exempt under Section 11-9-3(A)(2).

Westminster Plumbing Permit Requirement

Some Restrictions

Westminster Municipal Code § 11-9-3(A)(2) (Plumbing)

Plumbing: (a)The stopping of leaks in drains, water, soil, waste or vent pipe; provided, however, that if any concealed trap, drainpipe, water, soil, waste or vent pipe becomes defective and it becomes necessary to remove and replace the same with new material, such work shall be considered as new work and a permit shall be obtained and inspection made as provided in this code.(b)The clearing o...

Looking for Adams County county-wide rules?

County ordinances apply to unincorporated areas and may supplement Westminster city rules.

Building Safety in Adams County