1. Home
  2. California
  3. San Mateo County
  4. San Mateo
  5. Warren Rd

4 Warren Rd, San Mateo, CA 94401 Property Records

San Mateo County property record for 4 Warren Rd, San Mateo, CA 94401 · Last verified July 2026

Property Highlights

Property TypeResidential > Multi-Unit > Duplex
Bedrooms4 Beds
Bathrooms2 Baths
Architecture StyleDuplex Single
Year BuiltBuilt 1941
Square Footage3,450 sqft Living Area
Lot Size6,881 sqft (0.158 acres)
Last Sale$2,200,000 (2024)
Tax Bill$28,627.00 (2025)

Property Details

APN / Parcel Number

Primary APN032-061-010

Interior

Bedrooms4 Beds
Full Baths2 Baths
Total Rooms11 Rooms
Units2 Units
Building Area3,450 sqft Living Area
Stories2 Stories

Exterior

Year BuiltBuilt 1941
Effective Year BuiltEffective 1941
Architectural StyleDuplex Single Style
Lot Area6,881 sqft (0.158 acres)
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address4 WARREN RD
CitySAN MATEO
StateCA
Zip94401-3718
Property UsageResidential Property Usage
TypeResidential > Multi-Unit > Duplex
Legal DescriptionPTN LOT 3 COR EL CAMINO RL & WARREN RD & SELY 5 FT OF LOT 4 HAWLEYS SUB RSM C/57 CITY OF SAN MATEO
Legal SubdivisionEL CAMINO RL
Legal Lot Number3,4
JurisdictionSAN MATEO CA
Minor Civil DivisionSAN MATEO
Census Blockgroup1
Census Block1000
Census Tract605800

Owner

Source: San Mateo County records · APN 032-061-010

Assessment roll updated July 15, 2026 · Last verified July 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Company Names on File
Mailing AddressPO BOX 604, SAN MATEO, CA 94401-0604
Owner TypeOwner is a Company
VestingOwner is a Trust, Trust

Deeds, Mortgages & Sale History

DateDocument
May 27, 2020Affidavit of Death, Transfer
ATTORNEY ONLY
Dec 24, 2018Quit Claim Deed, Transfer
ATTORNEY ONLY
Dec 24, 2018Quit Claim Deed, Transfer
ATTORNEY ONLY

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleMay 13, 2024 · Amount on Record
Deed SaleMay 13, 2024 · Amount on Record
Prior SaleAug 19, 2010 · Amount on Record
Deed Doc Number202425045
Prior Transfer DateDec 14, 2018
Prior Transfer Doc0000100169
Record RefreshedSep 20, 2026

May 2020: Affidavit of Death, Transfer

Document TypeAffidavit of Death
JurisdictionSAN MATEO CA
Recording DateMay 27, 2020
Property Address4 WARREN RD, SAN MATEO, CA 94401-3718
Document Number0000048159
Instrument DateMay 16, 2020
Instrument48159
Transaction TypeTransfer
Record UpdatedJun 23, 2020
Title CompanyATTORNEY ONLY

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address127 BROOKMEAD CT SAN ANSELMO CA 949601471, SAN ANSELMO, CA 94960-1471

December 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSAN MATEO CA
Recording DateDec 24, 2018
Property Address4 WARREN RD, SAN MATEO, CA 94401-3718
Document Number0000100169
Instrument DateDec 14, 2018
Instrument100169
Transaction TypeTransfer
Record UpdatedJan 08, 2019
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim Document
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address127 BROOKMEAD CT SAN ANSELMO CA 949601471, SAN ANSELMO, CA 94960-1471

December 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSAN MATEO CA
Recording DateDec 24, 2018
Property Address4 WARREN RD, SAN MATEO, CA 94401-3718
Document Number0000100171
Instrument DateDec 14, 2018
Instrument100171
Transaction TypeTransfer
Record UpdatedJan 08, 2019
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim Document
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address127 BROOKMEAD CT SAN ANSELMO CA 949601471, SAN ANSELMO, CA 94960-1471

Tax Assessment & Valuation

Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified July 2026

Property Jurisdictions

TypeName
StateCalifornia
CountySan Mateo County
MunicipalitySan Mateo City
Elementary School DistrictSan Mateo-Foster City Elementary School District (KG - 08)
Secondary School DistrictSan Mateo Union High School District (09 - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

YearTax BillAssessed Value
2026$2,288,880 (+2%) Land $1,539,792 Building $749,088
2025$28,627.00 (+173.29%)$2,244,000 (+249.61%) Land $1,509,600 Building $734,400
2023$10,475.00 (+1.56%)$641,867 Land $288,265 Building $353,602
2022$10,314.00

Flood & Wildfire

4 Warren Rd is in FEMA Zone X, outside the Special Flood Hazard Area, with no wildfire exposure.

Flood

Source: FEMA National Flood Hazard Layer · San Mateo County (06081C), updated September 10, 2026

FEMA Flood ZoneZone X
minimal flood hazard · outside the 0.2% annual chance floodplain
Special Flood Hazard AreaNo

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire Risk to HomesNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach of burnable land

Values are read at the parcel center point; lenders make the official flood determination.

Nearby Properties on Warren Rd

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures