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

San Mateo County property record for 820 E 4th Ave, San Mateo, CA 94401 · Last verified July 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms2 Beds
Bathrooms1.5 Baths
Year BuiltBuilt 1907
Square Footage1,500 sqft Living Area
Lot Size5,646 sqft (0.13 acres)
OccupancyOwner Occupied
Last Sale$455,000 (2009)
Tax Bill$9,326.00 (2025)

Property Details

APN / Parcel Number

Primary APN033-166-110

Interior

Bedrooms2 Beds
Full Baths1.5 Baths
Partial Baths1 Partial Baths
Total Rooms5 Rooms
Building Area1,500 sqft Living Area
Gross Area1,720 sqft Gross Area
1st Floor900 sqft 1st Floor
2nd Floor600 sqft 2nd Floor
Basement Area220 sqft Basement
Family RoomFamily Room
Stories2 Stories

Exterior

Year BuiltBuilt 1907
Effective Year BuiltEffective 1907
Lot Area5,646 sqft (0.13 acres)
Depth X Width113 ft x 50 ft Depth x Width
Parking Spaces1 Parking Spaces
Garage Area310 sqft Garage

Utilities and HVAC

Cooling SystemCentral Cooling
Heating SystemCentral Heating

Location & Zoning

Street Address820 E 4TH AVE
CitySAN MATEO
StateCA
Zip94401-3317
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal Description50 FT X 112.92 FT ON 4TH AVE COM 50 FT FRM GRANT ST PTN OF LOTS 2 3 & 4 BLOCK 33 EASTERN ADDITION TO SAN MATEO RSM 1/58
Legal SubdivisionEASTERN ADDITION
Legal Block33
Legal Lot Number2
JurisdictionSAN MATEO CA
Minor Civil DivisionSAN MATEO
Census Blockgroup2
Census Block2009
Census Tract606202

Owner

Source: San Mateo County records · APN 033-166-110

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 Address820 E 4TH AVE, SAN MATEO, CA 94401-3317
OccupancyOwner Occupied
Owner TypeOwner is an Individual, Couple or Unincorporated Entity
VestingCommunity Property

Deeds, Mortgages & Sale History

DateDocument
Jun 07, 2017Deed of Trust, Mortgage · Line of Credit
CITIBANK NA
May 21, 2019Deed of Trust, Mortgage · Line of Credit
CITIBANK NA
Dec 13, 2019Deed of Trust, Mortgage · Conventional Mortgage
GENERAL MORTGAGE CAPITAL CORP
Mar 05, 2020Deed of Trust, Mortgage · Line of Credit
COMERICA BANK
Nov 25, 2020Deed of Trust, Mortgage · Conventional Mortgage
GENERAL MORTGAGE CAPITAL CORP
May 25, 2022Deed of Trust, Mortgage · Commercial Mortgage
COMERICA BANK
Oct 13, 2020Loan Modification, Mortgage · Conventional Mortgage
COMERICA BK

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleSep 04, 2009 · Amount on Record
Deed SaleSep 04, 2009 · Amount on Record
Prior SaleSep 22, 2006 · Amount on Record
Deed Doc Number2009119132
Last Transfer DateNov 22, 2011
Transfer Doc0000149525
Record RefreshedSep 20, 2026

June 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address820 E 4TH AVE, SAN MATEO, CA 94401-3317
Transaction TypeMortgage
Record UpdatedAug 05, 2022

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000048935
DateJun 07, 2017
Instrument2017-048935
Lender
NameCITIBANK NA
TypeBank
AddressSIOUX FALLS, SD 57104
Agreement
TypeLine of Credit
AmountAmount Recorded
Term360 Months
DueJun 06, 2047
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly (Revolving credit lines are monthly unless stated otherwise).

May 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address820 E 4TH AVE, SAN MATEO, CA 94401-3317
Transaction TypeMortgage
Record UpdatedAug 05, 2022

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000038032
DateMay 21, 2019
Instrument2019-038032
Lender
NameCITIBANK NA
TypeBank
AddressSIOUX FALLS, SD 57104
Agreement
TypeLine of Credit
AmountAmount Recorded
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly (Revolving credit lines are monthly unless stated otherwise).

December 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address820 E 4TH AVE, SAN MATEO, CA 94401-3317
Transaction TypeMortgage
Record UpdatedAug 05, 2022
Title CompanyFIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000106097
DateDec 13, 2019
Instrument2019-106097
Lender
NameGENERAL MORTGAGE CAPITAL CORP
TypeMortgage Company
AddressBURLINGAME, CA 94010
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueJan 01, 2050

March 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address820 E 4TH AVE, SAN MATEO, CA 94401-3317
Transaction TypeMortgage
Record UpdatedAug 05, 2022

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000020184
DateMar 05, 2020
Instrument2020-020184
Lender
NameCOMERICA BANK
TypeBank
AddressDALLAS, TX 75201
Agreement
TypeLine of Credit
AmountAmount Recorded
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly (Revolving credit lines are monthly unless stated otherwise).

November 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address820 E 4TH AVE, SAN MATEO, CA 94401-3317
Transaction TypeMortgage
Record UpdatedAug 05, 2022
Title CompanyFIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address820 E 4TH AVE, SAN MATEO, CA 94401-3317

Mortgage

Document Number0000134481
DateNov 25, 2020
Instrument2020-134481
Lender
NameGENERAL MORTGAGE CAPITAL CORP
TypeMortgage Company
AddressBURLINGAME, CA 94010
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueDec 01, 2050

May 2022: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address820 E 4TH AVE, SAN MATEO, CA 94401-3317
Transaction TypeMortgage
Record UpdatedAug 05, 2022

Transferred To (Grantee/Buyer)

NameVerified Name
Address820 E 4TH AVE, SAN MATEO, CA 94401-3317

Mortgage

Document Number0000043004
DateMay 25, 2022
Instrument2022-043004
Lender
NameCOMERICA BANK
TypeBank
AddressDALLAS, TX 75201
Agreement
TypeCommercial Mortgage
AmountAmount Recorded
Term360 Months
DueMay 20, 2052

October 2020: Loan Modification, Mortgage

Document TypeLoan Modification
JurisdictionSAN MATEO CA
Property Address820 E 4TH AVE, SAN MATEO, CA 94401-3317
Document Number0000134479
Instrument DateOct 13, 2020
Transaction TypeMortgage
Record UpdatedJan 05, 2021
Title CompanyNOT AVAILABLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address820 E 4TH AVE SAN MATEO CA 944013317, SAN MATEO, CA 94401-3317

Mortgage

Document Number0000134479
DateNov 25, 2020
Instrument134479
Lender
NameCOMERICA BK
TypeBank
AddressAUBURN HILLS, MI 48326
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$599,054 (+2%) Land $299,527 Building $299,527
2025$9,326.00 (+5.18%) Homeowner's exemption$587,308 (+4.04%) Land $293,654 Building $293,654
2023$8,867.00 (-1.37%) Homeowner's exemption$564,504 Land $282,252 Building $282,252$606,150
2022$8,990.00

Flood & Wildfire

820 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.

Nearby Properties on E 4th Ave

Nearby Streets

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