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

San Mateo County property record for 959 E 4th Ave, San Mateo, CA 94401 · Last verified July 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms3 Beds
Bathrooms2 Baths
Year BuiltBuilt 1999
Square Footage1,240 sqft Living Area
Lot Size2,029 sqft (0.047 acres)
OccupancyOwner Occupied
Last Sale$320,000 (1999)
Tax Bill$5,256.00 (2025)

Property Details

APN / Parcel Number

Primary APN033-411-250

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms5 Rooms
Building Area1,240 sqft Living Area
Gross Area1,460 sqft Gross Area
1st Floor620 sqft 1st Floor
2nd Floor620 sqft 2nd Floor
Basement Area220 sqft Basement
Family RoomFamily Room
Stories2 Stories

Exterior

Year BuiltBuilt 1999
Effective Year BuiltEffective 1999
Lot Area2,029 sqft (0.047 acres)
Depth X Width45 ft x 46 ft Depth x Width
Parking Spaces1 Parking Spaces
Garage TypeBasement Garage
Garage Area220 sqft Garage

Utilities and HVAC

Cooling SystemNone Cooling
Heating SystemCentral Heating

Location & Zoning

Street Address959 E 4TH AVE
CitySAN MATEO
StateCA
Zip94401-3318
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionLOT 25 HUMBOLDT SQUARE RSM 129/ 6-7
Legal SubdivisionHUMBOLDT SQUARE
Legal Lot Number25
JurisdictionSAN MATEO CA
Minor Civil DivisionSAN MATEO
Census Blockgroup2
Census Block2004
Census Tract606202

Owner

Source: San Mateo County records · APN 033-411-250

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 RecordIndividual Name on File
Mailing Address959 E 4TH AVE, SAN MATEO, CA 94401-3318
OccupancyOwner Occupied
Owner TypeOwner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleSep 17, 1999 · Amount on Record
Deed SaleSep 17, 1999 · Amount on Record
Deed Doc Number1999159950
Record RefreshedSep 20, 2026

February 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address959 E 4TH AVE, SAN MATEO, CA 94401-3318
Document Number0000026736
Instrument DateFeb 24, 2017
Transaction TypeMortgage
Record UpdatedApr 12, 2017
Title CompanyORANGE COAST TITLE COMPANY, ORANGE COAST TITLE CO

Transferred To (Grantee/Buyer)

NameVerified Name
Address959 E 4TH AVE SAN MATEO CA 944013318, SAN MATEO, CA 94401-3318

Mortgage

Document Number0000026736
DateMar 28, 2017
Instrument26736
Lender
NameBANK OF AMERICA
TypeBank
AddressCHARLOTTE, NC 28255
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term180 Months
DueMar 27, 2032

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$307,248 (+2%) Land $153,624 Building $153,624
2025$5,256.00 (+4.39%) Homeowner's exemption$301,224 (+4.04%) Land $150,612 Building $150,612
2023$5,035.00 (+2.63%) Homeowner's exemption$289,528 Land $144,764 Building $144,764$734,760
2022$4,906.00

Flood & Wildfire

959 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
Nearest Special Flood Hazard AreaZone AE, within 500 ft

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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