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812 E 4th Ave, San Mateo, CA 94401 Property Records

San Mateo County property record for 812 E 4th Ave, San Mateo, CA 94401 · Last verified July 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms3 Beds
Bathrooms4 Baths
Year BuiltBuilt 1910
Square Footage1,690 sqft Living Area
Lot Size5,646 sqft (0.13 acres)
OccupancyOwner Occupied
Tax Bill$10,719.00 (2025)

Property Details

APN / Parcel Number

Primary APN033-166-090

Interior

Bedrooms3 Beds
Full Baths4 Baths
Total Rooms6 Rooms
Building Area1,690 sqft Living Area
Gross Area2,430 sqft Gross Area
1st Floor1,290 sqft 1st Floor
Basement Area740 sqft Basement
Family RoomFamily Room
Stories1 Stories

Exterior

Year BuiltBuilt 1910
Effective Year BuiltEffective 1910
Lot Area5,646 sqft (0.13 acres)
Depth X Width113 ft x 50 ft Depth x Width
Parking Spaces2 Parking Spaces

Utilities and HVAC

Cooling SystemCentral Cooling
Heating SystemCentral Heating

Location & Zoning

Street Address812 E 4TH AVE
CitySAN MATEO
StateCA
Zip94401-3317
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal Description50 FT X 112 FT 11 IN ON 4TH AVE COM 100 FT FROM FREMONT ST PORT LOTS 5 6 7 BLOCK 33 EASTERN ADDITION TO SAN MATEO RSM 1/58
Legal SubdivisionEASTERN ADDITION
Legal Block33
Legal Lot Number5
JurisdictionSAN MATEO CA
Minor Civil DivisionSAN MATEO
Census Blockgroup2
Census Block2009
Census Tract606202

Owner

Source: San Mateo County records · APN 033-166-090

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 Individual Names on File
Mailing Address812 E 4TH AVE, SAN MATEO, CA 94401-3317
OccupancyOwner Occupied
Owner TypeOwner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

DateDocument
Oct 31, 2019Affidavit of Death of Joint Tenant, Transfer · Conventional Mortgage
AMERICAN FINANCIAL NETWORK INC
Feb 08, 2019Intrafamily Transfer, Transfer · Federal Housing Administration (FHA) Mortgage
AMERICAN FINANCIAL NETWORK INC
Feb 01, 2017Quit Claim Deed, Transfer
ATTORNEY ONLY
Feb 01, 2017Quit Claim Deed, Transfer
ATTORNEY ONLY
Oct 03, 2016Deed of Trust, Mortgage · Conventional Mortgage
PRIVATE INDIVIDUAL

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last Transfer DateOct 24, 2019
Transfer Doc0000090905
Record RefreshedSep 20, 2026

October 2019: Affidavit of Death of Joint Tenant, Transfer

Document TypeAffidavit of Death of Joint Tenant
JurisdictionSAN MATEO CA
Recording DateOct 31, 2019
Property Address812 E 4TH AVE, SAN MATEO, CA 94401-3317
Document Number0000090905
Map ReferenceMB 5 PG 134
Instrument DateOct 24, 2019
Instrument2019-090905
Transaction TypeTransfer
Record UpdatedAug 05, 2022
Title CompanyCHICAGO TITLE COMPANY

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address812 E 4TH AVE, SAN MATEO, CA 94401-3317

Mortgage

Document Number0000090906
DateOct 31, 2019
Instrument2019-090906
Lender
NameAMERICAN FINANCIAL NETWORK INC
TypeFunding / Finance Company
AddressBREA, CA 92821
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueNov 01, 2049

February 2019: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSAN MATEO CA
Recording DateFeb 08, 2019
Property Address812 E 4TH AVE, SAN MATEO, CA 94401-3317
Document Number0000008704
Map ReferenceMB 1 PG 58
Instrument DateJan 25, 2019
Instrument2019-008704
Transaction TypeTransfer
Record UpdatedAug 05, 2022
Title CompanyCHICAGO TITLE CO

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name
Address00000

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property (Marital Community) with Rights of Survivorship
Address812 E 4TH AVE, SAN MATEO, CA 94401-3317

Mortgage

Document Number0000008705
DateFeb 08, 2019
Instrument2019-008705
Lender
NameAMERICAN FINANCIAL NETWORK INC
TypeFunding / Finance Company
Agreement
TypeFederal Housing Administration (FHA) Mortgage
AmountAmount Recorded
Term361 Months
DueMar 01, 2049

February 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSAN MATEO CA
Recording DateFeb 01, 2017
Property Address812 E 4TH AVE, SAN MATEO, CA 94401-3317
Document Number0000010499
Instrument DateOct 12, 2016
Instrument10499
Transaction TypeTransfer
Record UpdatedFeb 16, 2017
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim Document
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSeparate Estate/Property
Address950 REDWOOD SHORES PKWY #C205 REDWOOD CITY CA 940657415, C205, REDWOOD CITY, CA 94065-7415

February 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSAN MATEO CA
Recording DateFeb 01, 2017
Property Address812 E 4TH AVE, SAN MATEO, CA 94401-3317
Document Number0000010497
Instrument DateOct 03, 2016
Instrument10497
Transaction TypeTransfer
Record UpdatedFeb 16, 2017
Title CompanyATTORNEY ONLY

Transaction

Additional
  • Quitclaim Document
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSeparate Estate/Property
Address950 REDWOOD SHORES PKWY #C205 REDWOOD CITY CA 940657415, C205, REDWOOD CITY, CA 94065-7415

October 2016: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address812 E 4TH AVE, SAN MATEO, CA 94401-3317
Document Number0000010496
Instrument DateOct 03, 2016
Transaction TypeMortgage
Record UpdatedNov 16, 2018
Title CompanyATTORNEY ONLY

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipEstate
Address950 REDWOOD SHORES PKWY #C205 REDWOOD CITY CA 940657415, C205, REDWOOD CITY, CA 94065-7415

Mortgage

Document Number0000010496
DateFeb 01, 2017
Instrument10496
Lender
NamePRIVATE INDIVIDUAL
TypePrivate Party
AddressREDWOOD CITY, CA 94063
Agreement
TypeConventional Mortgage
AmountAmount Recorded

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 and are not market price estimates.

YearTax BillAssessed ValueAssessed Market Value
2026$672,265 (+2%) Land $421,315 Building $250,950
2025$10,719.00 (+8.6%)$659,087 (+4.04%) Land $413,055 Building $246,032
2023$9,870.00 (-10.96%)$633,499 Land $397,018 Building $236,481$1,508,130
2022$11,085.00

Flood & Wildfire

812 E 4th Ave 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.

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