Contra Costa County, California · Planning and construction
Report a code violation in Contra Costa County
Report a code violation
8 providers · 10 official links · 2 reviewed requirements · sources checked October 26, 2026
In Contra Costa County, 7 city governments and 1 county department publish 10 official links for this service. Reviewed requirements cover availability notices (2).
These are the Contra Costa County providers with a reviewed service link for this task. Other offices may also help, and a provider may serve only part of the county: check each service area. Fees and forms stay on each office’s guide, where their sources are cited.
Read the responsible agency's complaint instructions and jurisdiction before submitting. CountyWiki has not submitted a complaint or queried any case.
Service area: Contra Costa County unincorporated code-enforcement programme
Availability · Published local code-enforcement instructions; procedures and property jurisdiction remain agency-specific
The Code Enforcement Program enforces the building and zoning ordinances for the unincorporated areas of Contra Costa County. The code enforcement process is typically initiated by responding to citizen complaints and by staff proactively investigating violations. Our goal is to resolve conflict(s) through voluntary compliance. In the absence of voluntary compliance, the offices have a range of other options to encourage compliance including citations, administrative actions, and abatement.Source & saved evidence
Official page, exact named resource or scoped programme paragraph
The Code Enforcement Program enforces the building and zoning ordinances for the unincorporated areas of Contra Costa County. The code enforcement process is typically initiated by responding to citizen complaints and by staff proactively investigating violations. Our goal is to resolve conflict(s) through voluntary compliance. In the absence of voluntary compliance, the offices have a range of other options to encourage compliance including citations, administrative actions, and abatement.
Agent source review: October 26, 2026 · Snapshot d2a3f12863a49d8a
Availability · Published local code-enforcement instructions; procedures and property jurisdiction remain agency-specific
A complaint about a possible code violation is made by letter, e-mail, fax or in person. Please be prepared with specific information such as the address of the property, details of the situation and the length of time you have observed the situation. Contact us at 925-655-2710 or Toll Free at 877-646-8314. You may submit a complaint form online. You may also submit a complaint form by printing and submitting by fax, mail or drop off to the office.Source & saved evidence
Official page, exact named resource or scoped programme paragraph
A complaint about a possible code violation is made by letter, e-mail, fax or in person. Please be prepared with specific information such as the address of the property, details of the situation and the length of time you have observed the situation. Contact us at 925-655-2710 or Toll Free at 877-646-8314. You may submit a complaint form online. You may also submit a complaint form by printing and submitting by fax, mail or drop off to the office.
Agent source review: October 26, 2026 · Snapshot d2a3f12863a49d8a
Reviewed task-specific main content under Code Enforcement | Hercules, CA; information landing only
To report violations, please use the Hercules Connect app (available on the Apple App Store and Google Play), complete our online Code Enforcement Complaint Form or call (510) 799-8244.
Agent source review: October 26, 2026 · Snapshot 7e57ce4c42f5c287
Reviewed task-specific main content under Code Enforcement | City of Lafayette, CA; information landing only
The City of Lafayette utilizes Contra Costa County Code Enforcement for issues related to building code violations, grading, unpermitted construction, remodels, and housing condition violations.
Agent source review: October 26, 2026 · Snapshot 6f19f7362b016f80
Reviewed task-specific main content under Code Enforcement; information landing only
Our Code Enforcement Unit was created by the San Pablo City Council in 2002 to respond to neighborhood complaints of unhealthy or unsafe living conditions.
Agent source review: October 26, 2026 · Snapshot 93b6a613129eba86
Reviewed task-specific main content under Report a Code Violation | City of Walnut Creek; information landing only
If you report a violation, we keep your identity confidential. Collected contact information allows our code enforcement officers to reach out for additional information. No personal information is ever shared with other members of the public.
Agent source review: October 26, 2026 · Snapshot f93d09bd569b12d3