ADU rules in Livermore, CA — also called accessory dwelling unit regulations or granny flat ordinances — cover setbacks, owner-occupancy, parking, and permit requirements.
Livermore must allow ADUs under CA Gov Code §65852.2. Detached ADUs up to 800 sq ft with 4-ft setbacks, JADUs up to 500 sq ft, 60-day permit review.
California Gov Code §65852.2 and AB 68/881/SB 13 preempt Livermore's ADU standards. The city allows attached, detached, and junior ADUs on all residential lots with existing or proposed single-family homes. By state law, Livermore must allow at minimum: 800 sq ft detached ADUs (up to 16 ft tall), 4-ft side/rear setbacks, no owner-occupancy requirement, no replacement parking near transit, and 60-day ministerial permit processing. JADUs up to 500 sq ft are allowed within existing structures. AB 1033 (2024) permits condo-izing ADUs. Livermore may allow larger ADUs (up to 1,200 sq ft) under its objective design standards.
Contact your local code enforcement office for specific penalty information.
Livermore, CA
Livermore Municipal Airport (LVK) has a voluntary noise abatement program with preferred runway/pattern procedures. No curfew but quiet hours 10 PM-7 AM disc...
Livermore, CA
Livermore prohibits habitual dog barking that disturbs neighbors under LMC 6.08. Alameda County Animal Services handles enforcement with a complaint and warn...
Livermore, CA
Livermore quiet hours run 10 PM to 7 AM weekdays and 10 PM to 8 AM weekends per LMC Chapter 9.32. Residential limit is 55 dB day, 45 dB night.
Livermore, CA
Livermore construction hours are 7 AM to 7 PM Monday-Friday and 9 AM to 6 PM Saturdays. No construction Sundays or federal holidays without permit.
Livermore, CA
Livermore allows leaf blowers within construction hours only. AB 1346 bans sale of new gas blowers statewide since Jan 1, 2024. Electric blowers still subjec...
Livermore, CA
Vehicle noise in Livermore enforced primarily through CA Vehicle Code §27150-27207. Altered/loud exhausts prohibited. Engine braking restricted on some streets.
Side-by-side rule comparisons with other cities in Alameda County.
See how other cities in Alameda County handle adu rules.
See how Livermore's adu rules rules stack up against other locations.
Help us keep this page accurate. If you notice an error or outdated information, let us know.