Sonoma County, CA Property Maintenance: Property Blight (2026)
Key Facts
- Governing law
- Sonoma County Code § 7-19, § 1-7 et seq.
- Enforcement
- County enforcing officer, notice and order
- Civil penalty
- Up to $500/day per violation
- Criminal penalty
- $1,000 fine or 6 months jail
- Remedy
- Abatement, lien, judicial enforcement
Summary
Sonoma County declares any unsafe or dangerous building a public nuisance and abates it under Chapter 1's administrative procedure, with notice and order, civil penalties, and liens for unincorporated properties.
"Unsafe or dangerous building" shall mean any building or structure which has any or all of the conditions or defects hereinafter described shall be deemed to be an unsafe or dangerous building, provided that such conditions or defects exist to the extent that the life, health, property or safety of the public or its occupants are endangered. The presence of an unsafe or dangerous building shall be considered a public nuisance subject to abatement pursuant to Chapter 1, Sonoma County Code.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 64 Update 2).
Full Breakdown
Under Sonoma County Code § 7-19(ab), a building or structure with structural defects, fire hazards, uninhabitable conditions, or code violations endangering life, health, or safety is an "unsafe or dangerous building" and a public nuisance subject to abatement under Chapter 1. The county's enforcing officer issues a notice and order under § 1-7.3, giving the responsible party a compliance deadline before recording a notice of abatement proceedings, imposing daily civil penalties under § 1-7.1, and placing an abatement lien on the parcel for unpaid costs.
Violations & Fines
Unabated violations trigger a notice and order, daily civil penalties up to $500 per violation, abatement costs assessed as a lien against the parcel, and misdemeanor prosecution punishable by a $1,000 fine or six months in jail.
Frequently Asked Questions
Does this apply inside the City of Sonoma or Santa Rosa?
What makes a building 'unsafe or dangerous' under this code?
Sources & Official References
Other rules in Sonoma County
California rules heatmap·Compare Sonoma County to another location·View the California property maintenance overview
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