San Mateo County Assessor Data: Property Records, Ownership and Tax Detail in California
Search every San Mateo County, California parcel with owner names, assessed value, deed history, mortgage detail and equity. Coverage runs across all 23 cities and towns inside San Mateo County.
- 160M+ nationwide parcel records
- 100+ fields per property
- Owner, tax, deed and mortgage detail
- Bulk export, API and map search

Property Records for San Mateo County, California
undefined LeadCruncher holds the full assessor roll for San Mateo County, California with more than 100 fields on each parcel, from the owner mailing address to the last recorded deed.
218,183 parcel records are on file for San Mateo County today, and the count moves as new records are recorded. undefined Coverage runs across all 23 cities and towns inside San Mateo County. Demand is strongest around Atherton, Belmont, Brisbane and Burlingame, and the same assessor coverage continues through the other 19 cities and towns in the county. Outline San Mateo County on the map, check the number, then take the parcels.
Once the San Mateo County parcels are filtered down to your buy box, skip trace them, push them to the CRM and start dialling without leaving the platform.
Ownership Records
Tax and Valuation
Assessed value, market value, tax amount and exemption status straight from the San Mateo County assessor roll.
Deeds and Sales History
Mortgage and Liens
San Mateo County Cities We Cover
Open any of these San Mateo County markets to see what the assessor data coverage looks like there.
Build Your San Mateo County, California List in 4 Steps
Select San Mateo County
Open California, drill into San Mateo County and keep only the 23 cities you actually farm.
Filter the Parcel Roll
Narrow San Mateo County parcels by owner occupancy, equity, ownership length, property type, year built and lot size before you pay for a single record.
Skip Trace and Verify
Launch Your Campaign
Built for San Mateo County, California Investors and Agents
Pay Only for What You Pull
Buy just the San Mateo County parcel records you want. There is no minimum county package and no long term contract.
Assessor Roll Kept Current
San Mateo County assessor and recorder feeds are reloaded on a continuous schedule, so new San Mateo County sales, deeds and owners appear shortly after recording.
Verified and Deduplicated
Real Human Support
Talk to the team that built the data. Onboarding, list strategy and campaign help are included with every plan.
What You Get with San Mateo County Assessor Data
- 100+ fields on every parcel
- Owner, tax, deed, mortgage and equity data
- Map search and saved searches
- Pre foreclosure data included
- Skip tracing, CRM and Triple Dialer
- Bulk CSV export and API access
From $60 per month with 10,000 records included.
Preview San Mateo County, California records firstWhat Investors Search For in San Mateo County
San Mateo County property records
Who owns this property in San Mateo County
San Mateo County property tax records
What San Mateo County bills on each San Mateo County parcel, and whether the owner has fallen behind on it.
Absentee owner list San Mateo County
High equity homeowners San Mateo County
San Mateo County parcel and deed search
Everything recorded against a San Mateo County parcel, alongside the building and lot characteristics.
San Mateo County, California Questions
Owner, tax, deed, mortgage and structure detail for every San Mateo County, California parcel, in fields you can filter rather than in a document you have to read.
Continuously refreshed. Assessment values move on the county's own cycle, but deeds and ownership changes on San Mateo County parcels arrive shortly after recording.
Yes, and it is one filter rather than a manual comparison. Anywhere the San Mateo County owner mailing address does not match the property address is flagged.
$60 per month, including 10,000 records, skip tracing, the CRM, the Triple Dialer and mail merge for your San Mateo County campaigns.
Search Every San Mateo County Parcel
Every San Mateo County, California parcel, filterable by owner, equity, tenure and property type, from $60 a month.
From $60 per month with 10,000 records included.
