ADU MADE SIMPLE

Checkpoint 2 · Step 2.4

What are the ADU rules where you live?

Pick your city to see real numbers — or leave it blank for the statewide baseline that applies everywhere in California.

Statewide baseline, from CA Gov. Code §65852.2.

How big can it be?
1,200 sq ft
How close to my property line?
4 ft
How tall can it be?
16 ft
Do I need parking spaces?
1 space max
How long until it's approved?
60 days
What will the city charge me?
Varies by city

Pre-approved plans

Under California's AB 1332, every city above a population threshold must offer a catalog of pre-approved ADU plans — designs that have already cleared building-code review, so permitting moves faster. Pick a city above to see what's available where you live.

Ordinance and fee data compiled August 2026 by the ADU Made Simple research team. This is a simplified guide, not legal advice — see something wrong? Report an inaccuracy.
See what fits my yard →

A full lot-feasibility deep-dive is coming soon, pending our FutureLot data partnership — for now, this runs the cost & cost-benefit numbers from Plan It.