Contra Costa County

Parcel & Property Data

381,896Total Parcels

—Avg. Market Value

430,925Total Acres

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About This Data

LandBrief holds 381,896 parcel records for Contra Costa County, sourced from county records. Each includes the parcel boundary, and — where the county publishes them — owner, situs address, acreage, assessed values and legal description.

Data Attributes (44 fields)

Every parcel record includes the following attributes, available for GIS analysis, property research, and data-driven applications.

✓ Parcel ID (geo_id)
✓ Property ID
✓ Owner Name
✓ Mailing Address Line 1
✓ Mailing Address Line 2
✓ Mailing City
✓ Mailing State
✓ Mailing Zip Code
✓ Situs Street Number
✓ Situs Street Name
✓ Situs City
✓ Situs State
✓ Situs Zip Code
✓ Legal Acreage
✓ Market Value (Total)
✓ Land Value
✓ Improvement Value
✓ Legal Description
✓ Legal Description (cont.)
✓ School District
✓ Municipality Code
✓ Neighborhood Code
✓ Tract / Lot
✓ Abstract Subdivision
✓ Block
✓ Map ID
✓ Deed Date
✓ Deed Volume
✓ Deed Page
✓ Deed Sequence
✓ County
✓ Next Appraisal Year
✓ Tax Owner ID
✓ Created Date
✓ Last Edited Date
✓ Shape Area
✓ Shape Length
✓ Geometry (MultiPolygon)
✓ FIPS Code
✓ Centroid Latitude
✓ Centroid Longitude
✓ Parcel Perimeter
✓ Land Use Category
✓ Flood Zone Classification

Industry Applications

🏛️

Government

Tax appraisal & assessment
Public safety & emergency response
Land use & zoning planning
Infrastructure management

📡

Telecommunications

Right-of-way acquisition
Fiber & tower site selection
Asset management
Easement research

🏠

Real Estate

Owner contact & outreach
Comparable sales analysis
Portfolio management
Site selection & demographics

🏦

Financial Institutions

Collateral valuation
Investment research
Mortgage underwriting
Risk assessment

🛡️

Insurance

Flood zone certification
Property risk scoring
Claims investigation
Underwriting support

Parcel Records (~381,896 total)

Showper page

Parcel ID	Owner	Address	City	Acreage	Market Value
267030021	EAST BAY MUNICIPAL UTILITY DIS	520 SAN PABLO DAM RD	Orinda	963.58	—
267030021	EAST BAY MUNICIPAL UTILITY DIS	520 SAN PABLO DAM RD	Orinda	963.58	—
267030021	EAST BAY MUNICIPAL UTILITY DIS	520 SAN PABLO DAM RD	Orinda	963.58	—
100380700	CALIFORNIA STATE OF	—	Unincorporated	946.00	—
252070001	EAST BAY MUNICIPAL UTILITY DIS	3849 MT DIABLO BLVD	Unincorporated	923.09	—
405020009	EAST BAY REGIONAL PARK DIST	5551 GIANT HWY	San Pablo	906.86	—
405020009	EAST BAY REGIONAL PARK DIST	5551 GIANT HWY	San Pablo	906.86	—
205050007	NIELSEN ROBERT JOHN JR	—	Unincorporated	837.77	—
094360018	KELLER CANYON LANDFILL CO	None BAILEY RD	Unincorporated	833.20	—
194050002	MT DIABLO STATE PARK	None MOUNT DIABLO SCENIC BLVD	Unincorporated	813.55	—

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