ADU rules in Pasadena, CA — also called accessory dwelling unit regulations or granny flat ordinances — cover setbacks, owner-occupancy, parking, and permit requirements.
Pasadena allows ADUs under California state law (AB 68, SB 13, AB 881). Both attached and detached ADUs are permitted. The city has streamlined its permitting process to comply with state mandates.
California state law requires all cities to allow ADUs in residential zones. Pasadena permits both attached and detached ADUs. Detached ADUs may be up to 1,200 square feet. Junior ADUs (converted from existing space) up to 500 square feet are also allowed. No owner occupancy requirement for ADUs per state law. Setback minimums are 4 feet for detached ADUs. No additional parking is required if within 1/2 mile of transit. The permitting process is ministerial (no discretionary review).
Building ADUs without permits results in building code violations and required permitting before occupancy.
Pasadena, CA
Pasadena restricts overnight street parking in certain posted areas. Vehicles left on public streets for 72+ hours may be cited as abandoned per CA Vehicle C...
Pasadena, CA
Pasadena has extensive metered and permit parking. Vehicles may not remain parked in one spot on a public street for more than 72 hours. Residential permit p...
Pasadena, CA
Pasadena requires EV-ready infrastructure in new construction per California Green Building Standards (CALGreen). Pasadena Water & Power offers EV charging p...
Pasadena, CA
Pasadena enforces 100 ft defensible space per CA PRC 4291 in fire hazard zones. Zone 1 (0-30 ft) and Zone 2 (30-100 ft) requirements apply. Annual brush clea...
Pasadena, CA
Pasadena allows recreational fire pits in approved containers at least 15 feet from structures. Gas-fueled fire pits are preferred. Wood-burning pits are sub...
Pasadena, CA
Pasadena prohibits open burning under South Coast Air Quality Management District Rule 444 and the California Fire Code. Burning trash, yard waste, and debri...
Side-by-side rule comparisons with other cities in Los Angeles County.
See how other cities in Los Angeles County handle adu rules.
See how Pasadena'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 If you notice an error or outdated information, let us know.