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Alameda County, CA Public Health Rules: Rodent Control (2026)

Few Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified April 2026

Key Facts

Landlord duty
Civil Code 1941.1 habitability
Pesticide notice
24 hours Civil Code 1940.8.5
Vector control
Alameda County Vector Control
Operator license
CA Structural Pest Control Board
Mold
Habitability issue per SB 655

Summary

Pest control in Alameda County is regulated by CA DPR and county Environmental Health. Landlords must provide pest-free housing under Civil Code 1941.1 and SB 655.

City-specific rules exist: Oakland, Livermore, Berkeley, Hayward, San Leandro, and Fremont have their own rodent control rules that differ from Alameda County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

(a) A dwelling shall be deemed untenantable for purposes of Section 1941 if it substantially lacks any of the following affirmative standard characteristics or is a residential unit described in Section 17920.3 or 17920.10 of the Health and Safety Code: ... (6) Building, grounds, and appurtenances at the time of the commencement of the lease or rental agreement, and all areas under control of the landlord, kept in every part clean, sanitary, and free from all accumulations of debris, filth, rubbish, garbage, rodents, and vermin. (7) An adequate number of appropriate receptacles for garbage and rubbish, in clean condition and good repair.

Source: CA Civil Code §1941.1 — HabitabilityView official code

Full Breakdown

Pest control operations in Alameda County require licensing by the California Structural Pest Control Board for commercial pest control operators and Department of Pesticide Regulation licensing for agricultural applicators. Residential landlords have statutory obligations under California Civil Code 1941.1 to provide premises free from rodents, insects, and vermin as a condition of habitability. SB 655 (2014) added mold as a habitability issue often linked to pest infestations. Pest infestations discovered during tenancy must be remediated by the landlord at no cost to the tenant except where the tenant is responsible. Pesticide applications require 24-hour advance written notice to tenants under Civil Code 1940.8.5. The Alameda County Vector Control Services District handles rats, mosquitoes, and public health pests. West Nile Virus surveillance and fogging occur throughout the county. Property owners must eliminate standing water and rodent harborage.

Frequently Asked Questions

Can my landlord charge me for pest control?
Generally no, unless the infestation was caused by tenant action such as hoarding or poor sanitation. Routine pest issues are the landlord's responsibility under Civil Code 1941.1.
Who handles rat complaints?
Alameda County Vector Control Services District handles public-area rodents and advises property owners. On private property, the property owner is responsible for abatement.

Sources & Official References

Other rules in Alameda County

All Alameda County rules

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