Los Angeles vs San Francisco vs San Diego ADU Legalization Rules - City Comparison Guide
ADU legalization requirements vary significantly between California cities. This comprehensive comparison covers differences in rules, processes, and requirements between major California cities for AB 2533 compliance.
24 min read
May 10, 2025
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AB 2533
ADU contractors
ADU costs
ADU documentation
ADU electrical requirements
ADU insurance
ADU legalization
ADU plumbing requirements
ADU timeline
ADU violations
Atherton
Bay Area ADUs
Beverly Hills
California housing law
Fremont ADU
GFCI
HVAC requirements
Irvine ADU
Los Angeles ADU
Los Angeles County
NOV
Newport Beach
Oakland
Pasadena
Peninsula cities
ROI analysis
San Francisco
San Francisco ADU
San Jose
Santa Monica
Torrance ADU
air conditioning
building department
building permits
building safety codes
city comparison
code enforcement
construction management
construction timeline
contractor selection
conversion legalization
drainage systems
egress windows
electrical code
electrical compliance
electrical panel
energy efficiency
estate planning
fire safety
fire separation
foundation requirements
framing standards
garage conversions
guest house legalization
heating systems
illegal ADUs
inspections
investment analysis
jurisdiction differences
landlord insurance
liability protection
licensed professionals
local ADU rules
luxury ADUs
luxury property
notice of violation
permit process
permit processing
plumbing code
plumbing fixtures
project milestones
project schedule
project vetting
property coverage
property value
rental income
rental property
seismic design
smoke detectors
structural engineering
structural safety
unpermitted ADU
unpermitted garages
unpermitted units
ventilation
water supply