JB PARCELSan Mateo County, California: parcel data and property records
225,059 San Mateo County parcels on one searchable map: owner of record and mailing address, plus lot boundaries and location. Screen by absentee ownership, acreage and year built.
What the data covers
These bars show real field-by-field coverage for San Mateo County in our database, so you know exactly what you are getting before you search. Numbers refresh as the county publishes new records.
Not held for San Mateo County: recorded sales, deeded acreage and vacancy. Those fields are carried where the county publishes them.
On fewer than 5 percent of San Mateo County parcels: assessed values.
Areas covered
Parcel counts by place, largest first: San Mateo (30,317), Daly City (25,469), Redwood City (24,461), South San Francisco (18,064), Menlo Park (12,907).
Search San Mateo County parcels
The map is free to browse - parcel lines, boundaries, and location. Owner of record, year built and the full parcel report come with a plan that costs less than one hour of a title runner's time.
Explore the San Mateo County map See plans
Common questions
How many parcels are in San Mateo County, California?
JB PARCEL carries 225,059 parcel records for San Mateo County, California, with owner information on 15 percent of them.
Can I find out who owns a property in San Mateo County?
Yes. Search by owner name, address, or parcel number to pull the record: owner of record and mailing address, year built and lot lines on the map.
How do I find vacant land or absentee owners in San Mateo County?
We do not hold vacancy data for San Mateo County yet, so this filter has nothing to match there. Vacancy filters work in the counties where we hold the field. San Mateo County does have owner mailing state: 571 parcels have an owner mailing address outside California.
Can I search San Mateo County by lot size or acreage?
Yes. Acreage is on 93 percent of San Mateo County parcels, mapped from the parcel boundary, and the advanced search filters on it directly - set a minimum and maximum to pull every tract in that range, then stack vacancy or absentee ownership on top.