San Diego County

Parcel & Property Data

740,034Total Parcels
Avg. Market Value
2,333,251Total Acres

LandBrief holds 740,034 parcel records for San Diego 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 from the San Diego County assessor roll dated February 2018, loaded August 2026. See data sources for every county’s vintage.

Explore San Diego County

San Diego County by the Numbers

Median parcel size
0.18 acres
measured from mapped boundaries
90th-percentile parcel
1.8 acres
County land area
2,694,696 acres
U.S. Census measurement
Communities
57
8.6% of parcels outside any incorporated place

Who Owns San Diego County?

Share of the county’s 740,034 parcels by the kind of owner on record. Classified from owner names, so the boundaries are approximate; an entity the rules cannot place counts as an individual.

Owner typeShare of parcels
Other / unclassified100.0%

Parcel Records (~740,034 total)

per page
Parcel IDOwnerAddressCityAcreage
582887Unincorporated42877.70
587221Unincorporated30715.51
1552230Unincorporated30131.44
5267525Unincorporated27095.17
630526Unincorporated24394.94
626761Unincorporated22404.30
626985Unincorporated17024.51
638906Unincorporated16073.31
653016Unincorporated15847.35
653027Unincorporated14091.58
Page 1 of 74004

Download San Diego County parcel data

All 740,034 parcels in San Diego County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.

Get San Diego County on FreeParcelData →

Nearby counties

Frequently Asked Questions

How many parcels are in San Diego County?

The San Diego County assessor roll on file records 740,034 parcels across 57 communities, with 8.6% lying outside any incorporated place.

What is the typical parcel size in San Diego County?

Measured from mapped boundaries, the median parcel is 0.18 acres, and nine parcels in ten are under 1.8 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.

How current is this data?

It comes from the San Diego County assessor roll dated February 2018. Counties deliver on their own schedules; the methodology page explains how records are processed and the data sources page tracks every county’s vintage.

Browse by City (57)

740,034 parcels across 57 communities in San Diego County.