Rental Property Rules in Walnut Creek, CA (2026)
3 verified rental property rules for Walnut Creek, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Rental Registration
Walnut Creek does not operate a citywide rental registry for long-term rentals. Landlords must obtain a business license for rental activity. California AB 1482 (Tenant Protection Act) applies statewide to most rentals, requiring just cause and capping annual rent increases.
Rental Property: Registration
Some RestrictionsCal. Civ. Code § 1947.12 (Tenant Protection Act)
1947.12. (a) (1) Subject to subdivision (b), an owner of residential real property shall not, over the course of any 12-month period, increase the gross rental rate for a dwelling or a unit more than 5 percent plus the percentage change in the cost of living, or 10 percent, whichever is lower, of the lowest gross rental rate charged for that dwelling or unit at any time during the 12 months pri...
Lead Paint Disclosure
Walnut Creek follows the federal Residential Lead-Based Paint Hazard Reduction Act (Title X, 42 U.S.C. §4851) requiring landlords of pre-1978 rental housing to disclose known lead-based paint hazards and provide the EPA pamphlet "Protect Your Family From Lead in Your Home" before lease signing.
Rental Property: Lead Paint Disclosure
Some RestrictionsMold Disclosure
Under California Health & Safety Code §26147 (Toxic Mold Protection Act), Walnut Creek landlords must disclose known visible mold exceeding health thresholds before leasing and after discovery. The city has no separate mold ordinance but enforces habitability standards through code compliance.
Rental Property: Mold Disclosure
Some RestrictionsLooking for Contra Costa County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Walnut Creek city rules.
Rental Property Rules in Contra Costa County →