Brentwood, CA Property Maintenance: Vacant Lot Maintenance (2026)

035 of the Brentwood Municipal Code is not limited to occupied residential yards; it reaches "any street, sidewalk, or parcel of private property," which is exactly the language the city uses to abate weeds on vacant, unimproved lots. The code defines "weeds" to include dry, dead or dying grasses and vegetation taller than three inches, including cut vegetation that was never mulched, along with fluffy seed-bearing weeds, sagebrush and other brush that becomes a fire menace when dry, poison oak or poison sumac that threatens public health, and any dry grass, brush or tree litter that creates a fire hazard.

Brentwood adopts the Contra Costa County Fire Protection District's weed abatement minimum standards by reference and can enforce either this section or the fire code, or both. When the community development director finds a nuisance on a vacant parcel, the city council can declare it by resolution, and the city clerk mails written notice to the owner of record at least ten days before a council hearing on any objection. 090 and remove the weeds themselves. The cost of that work becomes a special assessment lien against the parcel under Health and Safety Code Section 14912, collected the same way as property taxes, with the same penalties for delinquency.

Parcels that repeat the problem year after year can be declared seasonal or recurrent nuisances, which lets the city skip a fresh public hearing and go straight to a mailed notice the second time the weeds return in the same calendar year. Government-owned parcels are exempt, and the community development director can excuse habitat needed for a threatened or endangered species.