ADU Rules: Hayward vs Livermore
How do adu rules rules compare between Hayward, CA and Livermore, CA?
Hayward and Livermore have similar restriction levels.
Hayward, CA
Alameda County
Hayward permits ADUs up to 1,200 sq ft and JADUs up to 500 sq ft on single-family and multi-family lots under California Government Code 65852.2.
View full Hayward rules →Livermore, CA
Alameda County
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.
View full Livermore rules →Key Facts Comparison
| Fact | Hayward | Livermore |
|---|---|---|
| Max ADU size | 1,200 sq ft | - |
| JADU size | Up to 500 sq ft | - |
| Side/rear setback | 4 ft | - |
| Review deadline | 60 days (SB 897) | - |
| Impact fees | Waived under 750 sq ft | - |
| State Law | - | Gov Code §65852.2 |
| Detached Max | - | 800-1,200 sq ft |
| Setbacks | - | 4 ft rear/side |
| Permit Time | - | 60 days |
| JADU | - | Up to 500 sq ft |
Highlighted rows indicate differences between cities.
Hayward FAQ
Can I rent my Hayward ADU short-term?
State law allows cities to prohibit rentals under 30 days; Hayward requires ADUs to be rented for 30 days or longer.
Do I need to add parking?
Not if the ADU is within 1/2 mile of transit or replaces a garage; state law preempts extra parking.
Livermore FAQ
Can I rent my Livermore ADU on Airbnb?
State law allows long-term rental (30+ days). Livermore's short-term rental rules may restrict or prohibit ADU use for stays under 30 days — check STR ordinance.
Do I need to add parking for my Livermore ADU?
Not if within ½ mile of transit or in certain historic/designated zones under state law. Otherwise, typically one space per unit or bedroom.
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