Noise from Specific Sources in Bellingham, WA (2026)
1 verified noise from specific sources rules for Bellingham, Washington, sourced directly from the municipal code and official government pages.
Verified from official government sources
HVAC & Mechanical Noise
Bellingham does not publish an HVAC-specific decibel rule. Residential and commercial HVAC equipment (heat pumps, condensers, mini-splits, pool heaters, rooftop units, generators) is governed by the general BMC 10.24.120 public-disturbance-noise standard plus WAC 173-60-040 Class A receiving-property caps (55 dBA day / 45 dBA night). Installation is reviewed under the Washington State Building Code mechanical provisions (administered by City of Bellingham Building Services). Equipment placement is governed by BMC Title 20 (Land Use Development) accessory-equipment yard standards.
Bellingham HVAC Equipment Noise
Some RestrictionsLooking for Whatcom County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Bellingham city rules.
Noise from Specific Sources in Whatcom County →