Regulations & zoning
ADU rules, city by city
Every city in San Diego County sets its own ADU rules: maximum size, setbacks, height limits, parking. We're publishing a plain-English guide for each city we build in.
City guides
City-by-city ADU guides
Each guide covers what you can build in that city: key facts, setbacks, height, parking, and the questions homeowners ask us most. Three are live now, the rest are being researched and published.
Guide liveADU Regulations in San Diego
Max size, setbacks, height, and parking rules for San Diego.
Guide liveADU Regulations in Encinitas
Max size, setbacks, height, and parking rules for Encinitas.
Guide liveADU Regulations in Carlsbad
Max size, setbacks, height, and parking rules for Carlsbad.
Guide liveADU Regulations in Oceanside
Max size, setbacks, height, and parking rules for Oceanside.
Guide liveADU Regulations in Vista
Max size, setbacks, height, and parking rules for Vista.
Guide liveADU Regulations in San Marcos
Max size, setbacks, height, and parking rules for San Marcos.
Guide liveADU Regulations in Escondido
Max size, setbacks, height, and parking rules for Escondido.
While you wait
Start with the basics
Our ADU basics guide covers what ADUs are and what your lot generally allows, and our 3D designer lets you plan the unit itself while the city guides are in progress.
Can't wait?
We know the rules. Ask us.
We build ADUs in these cities every year, and a free consultation covers exactly what your lot allows before any guide gets published.