Contra Costa County Building Departments

Search for Contra Costa County CA building and zoning records. Building records include building plans, building code evaluations, building surveys, and building code violations, and zoning records include zoning violations, zoning boundaries, and zoning regulations.


Building Departments develop and enforce building codes to ensure the construction of safe buildings. The Building Department maintains building and zoning records, including design plans for construction and renovation projects, records on the current structures on any parcel, maps showing property lines, and permits issued by the department. They also keep records on a property's compliance with building codes, including building and zoning violations, as well as records of inspection reports. Many Building Departments provide online access to building records.

Brentwood Permits Brentwood CA 104 Oak Street 94513 925-516-5406

Brentwood Planning Department Brentwood CA 118 Oak Street 94513 925-516-5405

Clayton Zoning Clayton CA 6000 Heritage Trl 94517 925-673-7340

Concord Permits Concord CA 1950 Parkside Drive 94519 925-671-3075

Contra Costa Building Department Martinez CA 651 Pine Street 94553 925-646-4108

Contra Costa Planning and Zoning Department Martinez CA 651 Pine Street 94553 925-335-1381

Danville Planning Department Danville CA 510 La Gonda Way 94526 925-314-3310

El Cerrito Planning Department El Cerrito CA 10890 San Pablo Avenue 94530 510-215-4330

Martinez Zoning Martinez CA 525 Henrietta Street 94553 925-372-3515

Moraga Planning Department Moraga CA 329 Rheem Boulevard 94556 925-888-7040

Orinda Planning Department Orinda CA 14 Altarinda Road 94563 925-253-4211

Pinole Building Department Pinole CA 2131 Pear Street 94564 510-724-8914

Pinole Planning Department Pinole CA 2131 Pear Street 94564 510-724-9014

Richmond Building Department Richmond CA 450 Civic Center Plaza 94804 510-620-6868

Richmond Planning and Zoning Department Richmond CA 1401 Marina Way South 94804 510-620-6706

San Pablo Zoning San Pablo CA 13831 San Pablo Avenue 94806 510-215-3030

San Ramon Building Department San Ramon CA 2401 Crow Canyon Road 94583 925-973-2582

San Ramon Building Department San Ramon CA 2401 Crow Canyon Road 94583 925-973-2580

Walnut Creek Zoning Walnut Creek CA 1666 North Main Street 94596 925-256-3558


Building Inspectors ensure that building construction is in compliance with building and zoning codes. They maintain documents on permits issued by the Building Department, including construction, relocation, demolition, and occupancy permits. Building Inspectors also keep approved and rejected building plans and blueprints, records on a property's compliance with building codes, and records on building and zoning violations and inspection reports. Many Building Inspectors make these building and zoning records available to the public online.

Brentwood City Building Inspector Brentwood CA 118 Oak Street 94513 925-516-5406

Concord City Building Inspector Concord CA 1950 Parkside Drive 94519 925-671-3075

Contra Costa County Building Inspector Martinez CA 651 Pine Street 94553 925-646-2300

El Cerrito Building Inspector El Cerrito CA 10890 San Pablo Avenue 94530 510-215-4360

Hercules Building Inspector Hercules CA 111 Civic Drive 94547 510-799-8240

Martinez Building Inspector Martinez CA 525 Henrietta Street 94553 925-372-3550

Pleasant Hill Building Inspector Pleasant Hill CA 100 Gregory Lane 94523 925-671-5200

Richmond Building Inspector Richmond CA 1401 Marina Way South 94804 510-620-6868

San Pablo Building Inspector San Pablo CA 13831 San Pablo Avenue 94806 510-215-3030


Code Enforcement Departments ensure compliance with building and zoning codes for a county or local government. Code Enforcement Departments keep records on building code violations, zoning regulations, and zoning violations. They also maintain records on inspections, complaints filed against properties or businesses, violations issued by the department, and other local rules and regulations. The records maintained by the Code Enforcement Department are often available online.

Clayton Code Enforcement Clayton CA 6000 Heritage Trail 94517 925-673-7310

Martinez Code Enforcement Martinez CA 610 Main Street 94553 925-372-3532

Oakley City Code Enforcement Oakley CA 3639 Main Street 94561 925-625-7031

Pleasant Hill Code Enforcement Pleasant Hill CA 100 Gregory Lane 94523 925-671-5212


Treasurers and Tax Collectors are responsible for the collection of property tax revenue. The Office of the Treasurer and Tax Collector maintains and updates records on every parcel in the district, as well as maintaining certain building and zoning records. These records include building valuations, zoning boundaries, and building construction. Treasurers and Tax Collectors also keep documents on property taxes, including property tax assessments, defaults on property taxes, and tax liens. The office may also maintain information on property auctions and a property's prior liens or foreclosures. Many Treasurers and Tax Collectors provide online databases to access their records, including documents on building and zoning.

Concord City Treasurer Concord CA 1950 Parkside Drive 94519 925-671-3183

Contra Costa County Treasurer-Tax Collector's Office Martinez CA 625 Court Street 94553 925-957-5280

Pinole City Treasurer Pinole CA 2131 Pear Street 94564 510-724-9009


Assessors evaluate the value of properties and parcels in order to determine property taxes. The Assessor's Office maintains current data on every property in the district, including inventories of parcels and structures, zoning boundaries, and the value of all the property in the jurisdiction. Assessors may also keep building and zoning records, such as reports from on-site inspections, maps of property lines and zones, and value assessments for building improvements. Many Assessor's Offices provide online access to their records, including documents on building and zoning.

Contra Costa County Assessor's Office Martinez CA 2530 Arnold Drive 94553 925-313-7500