Quiet Hours: Northglenn vs Westminster
How do quiet hours rules compare between Northglenn, CO and Westminster, CO?
Northglenn and Westminster have similar restriction levels.
Northglenn, CO
Adams County
Adams County does not set its own decibel-based noise ordinance for unincorporated areas; instead, Colorado state law at C.R.S. 25-12-103 applies. In residential zones, the maximum permissible noise level is 55 dB(A) from 7:00 a.m. to 7:00 p.m. and 50 dB(A) from 7:00 p.m. to 7:00 a.m., measured at or beyond the property line. The Adams County Sheriff's Office (303.288.1535) handles loud music, party, and disturbance complaints. Construction noise is permitted only between 6:00 a.m. and 10:00 p.m. per Adams County code compliance policy.
View full Northglenn rules →Westminster, CO
Adams County
Westminster enforces quiet hours typically 10 PM to 7 AM. Noise disturbances enforceable under CRS §18-9-106 (Disturbing the Peace).
View full Westminster rules →Key Facts Comparison
| Fact | Northglenn | Westminster |
|---|---|---|
| Governing Statute | C.R.S. 25-12-103 (state) | - |
| Residential Day Limit | 55 dB(A), 7am-7pm | - |
| Residential Night Limit | 50 dB(A), 7pm-7am | - |
| Construction Hours | 6 a.m. to 10 p.m. | - |
| Daytime Allowance | +10 dB(A) for up to 15 min/hour | - |
| Sheriff Dispatch | 303.288.1535 | - |
| Quiet Hours | - | 10 PM to 7 AM |
| Day Limit | - | ~55 dBA residential |
| Night Limit | - | ~50 dBA residential |
| State Law | - | CRS §18-9-106 |
Highlighted rows indicate differences between cities.
Northglenn FAQ
What time do quiet hours start in unincorporated Adams County?
Colorado state law (C.R.S. 25-12-103) sets the residential nighttime period from 7:00 p.m. to 7:00 a.m., when the maximum permissible level drops from 55 dB(A) to 50 dB(A). Adams County has not adopted a stricter county ordinance, so the state thresholds apply at the property line. Construction work in unincorporated Adams County is limited to between 6:00 a.m. and 10:00 p.m.
Who do I call about a loud party in unincorporated Adams County?
Call the Adams County Sheriff's Office Communications Center at 303.288.1535. The Sheriff handles noise complaints involving loud music, parties, vehicle stereos, and neighbor disturbances. Persistent barking dogs are handled by Animal Management under Ordinance No. 6 instead.
Westminster FAQ
When are quiet hours?
Typically 10 PM to 7 AM. Check Westminster municipal code for exact times.
Who do I call for a noise complaint?
Contact Westminster police non-emergency line or code enforcement.
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