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
Finding the owner of a San Mateo County property should not take three websites and a phone call. 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.
218,741 parcel records are on file for San Mateo County today, and the count moves as new records are recorded. Absentee status, equity band, tenure, year built and property type all combine, which is how a San Mateo County list becomes a buy box rather than a download. 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
Vesting, owner mailing address and length of ownership for San Mateo County property, taken from the San Mateo County roll.
Tax and Valuation
Assessed value, market value, tax amount and exemption status straight from the San Mateo County assessor roll.
Deeds and Sales History
How the San Mateo County property changed hands, what it sold for, and every transfer before that one.
Mortgage and Liens
Mortgage detail on San Mateo County property, including position, so second liens do not distort your equity math.
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
Each San Mateo County owner is run through skip tracing at 98% accuracy, so you leave with the owner's mobile and email plus the household around them, each contact labelled by relationship, rather than a parcel id.
Launch Your Campaign
Your San Mateo County list is live the moment it is built, with dialing, sequencing and direct mail already attached to it.
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
The same owner holding several San Mateo County parcels is collapsed into one row, so you do not mail the same person four times.
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
218,741 parcel records are live for San Mateo County. One California plan covers that area and every other one you decide to add.
- 100+ fields on every parcel
- Owner, tax, deed, mortgage and equity data
- Map search and saved searches
- Pre foreclosure data included
- Skip tracing at $0.25, 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
Every parcel in San Mateo County, held at field level rather than summarised into a listing.
Who owns this property in San Mateo County
Reverse an San Mateo County address into an owner, a mailing address and a deed in one search.
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
Out of area and out of state owners of San Mateo County, California property, isolated in a single filter.
High equity homeowners San Mateo County
Free and clear or near free and clear San Mateo County property, calculated from recorded loan positions.
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.
Yes. The count updates as you filter, so you know how many San Mateo County parcels you are taking before you commit to the export.
$60 per month, including 10,000 records, the CRM, the Triple Dialer and mail merge for your San Mateo County campaigns, with 100 free skip trace records to start and $0.25 per record after.
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.
