Carbon Monoxide Detectors
Building Safety
Where CO detectors are required (typically near sleeping areas in homes with fuel-burning appliances or attached garages), and seller/landlord deadlines.
How Carbon Monoxide Detectors Rules Differ by Place
Hoover, AL: Hoover Requires CO Alarm By Garage
Some RestrictionsHoover's residential code amendment requires a smoke and carbon monoxide alarm within six feet of any door connecting the garage to the home, on the living-space side, enforced by the…
Jefferson County, AL: Jefferson County Garage CO Detector Option
Some RestrictionsJefferson County's Building Code lets basement garages and crawl spaces skip Type X sheetrock or a sprinkler system if the builder instead installs a hard-wired heat detector in line…
Mobile, AL: Mobile Carbon Monoxide Alarm Installation Rule
Some RestrictionsMobile's Property Maintenance Code makes carbon monoxide alarms mandatory in dwellings, pointing owners to the same national fire and residential code sections that set placement and…
Mesa, AZ: Mesa Carbon Monoxide Alarm Power Source Rules
Some RestrictionsMesa's Residential Code requires carbon monoxide alarms to run on the building's electrical wiring with battery backup under Section R311.6: the same hardwiring standard the city…
Phoenix, AZ: Phoenix STR Carbon Monoxide Detector Rule
Some RestrictionsPhoenix requires every short-term rental to maintain a working smoke and carbon monoxide detection system that meets NFPA 72 before it can be rented.
Tempe, AZ: Tempe Carbon Monoxide Alarm Power Rule
Some RestrictionsTempe's amendment to Section R311.6 of its adopted 2024 International Residential Code requires carbon monoxide alarms in dwellings to draw primary power from the building's wiring…
Cities & Counties with Carbon Monoxide Detectors Rules
203 locations
Arizona
Arkansas
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Building safety standards specific to family childcare homes and centers, including egress, sprinklers, lead and asbestos clearances, and outdoor play standards.
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Anti-Mansionization
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Green Building Code
CALGreen and equivalent state green building codes, plus reach codes that go further (electric-only new construction, EV-readiness, low-VOC materials).
Building Permits
When a building permit is required, new work, renovations, reroofing, decks, the small-project exemptions, and what unpermitted work costs when it surfaces at sale or inspection.
Electrical Permits
Which electrical work (panel upgrades, EV chargers, solar inverters, sub-panels) requires a licensed-electrician permit vs. an owner-builder permit.
Plumbing Permits
Which plumbing work (water heaters, sewer-line replacement, repipe, gas-line) requires a permit, and which minor repairs are typically exempt.
Building Inspections
Required inspection types (rough framing, electrical, plumbing, final), how to schedule, what inspectors look for, and how to handle a failed inspection.