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Official resources,
no guesswork.
These are the government and utility sources behind the answers — for permits, planning, taxes and more. Always confirm details for your specific property and jurisdiction.
Building permits
Permits, inspections and project submittals — start with the agency that covers your property.
ADUs & guest homes
Accessory dwelling units can add flexibility and value — the rules start here.
Hazard maps
Know your property’s exposure before you buy, build or insure.
Property tax
Assessments, exemptions and recorded documents.
Utilities
Start, stop or transfer service when you move.
Disclosures & consumer protection
Know your rights in a California transaction.