Union City · Building on your lot
Noise and construction hours in Union City
Union City's own rules on noise and construction hours, with the code text for every value.
Each rule below links to the section of the Union City Municipal Code it was read from, with the code text one click away (checked October 2026). General information, not legal advice.
What Union City's code says
| Construction hours on weekdays |
|
|---|---|
| Construction hours on weekends and holidays |
|
| Noise limit at homes |
|
Who this affects
Frequently asked questions
What are the noise rules and construction hours in Union City?
Union City's code: 8 a.m. to 8 p.m. (Monday through Friday, permitted work; each machine at most 83 dBA at 25 feet, or at most 86 dBA outside the property.) (§ 9.40.053); No more than 10 dBA above the local ambient. (Noise from machines, animals or devices on residential property, measured outside the property.) (§ 9.40.041).
General information, not legal advice.
Ask about a specific Union City property
Ask GoCodebook how Union City's noise and construction hours rules apply to your situation and get an answer that cites the section.
Ask your questionMore on building on your lot in Union City
All building on your lot rules in Union City
Fences and walls in Union City
Lot splits under SB 9 in Union City
Grading and erosion control in Union City
Building on a hillside in Union City
Home alarm permits and false alarms in Union City
Signs on homes in Union City
Trash and recycling carts in Union City
Historic homes in Union City
Union City Municipal Code — full text