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320 27th Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 320 27th Ave, San Mateo, CA 94403 · Last verified July 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms3 Beds
Bathrooms2 Baths
Year BuiltBuilt 1939
Square Footage1,600 sqft Living Area
Lot Size6,249 sqft (0.144 acres)
OccupancyOwner Occupied
Last Sale$774,000 (2004)
Tax Bill$14,393.00 (2025)

Property Details

APN / Parcel Number

Primary APN039-341-280

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Building Area1,600 sqft Living Area
1st Floor1,140 sqft 1st Floor
Family RoomFamily Room

Exterior

Year BuiltBuilt 1939
Effective Year BuiltEffective 1939
Lot Area6,249 sqft (0.144 acres)
Depth X Width124 ft x 50 ft Depth x Width
Parking Spaces1 Parking Spaces
Garage Area200 sqft Garage

Utilities and HVAC

Cooling SystemCentral Cooling
Heating SystemCentral Heating

Location & Zoning

Street Address320 27TH AVE
CitySAN MATEO
StateCA
Zip94403-2420
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionLOT 27 BLOCK 4 SAN MATEO TERRACE MAP NO 3 RSM 21/76 77 CITY OF SAN MATEO
Legal SubdivisionSAN MATEO TERRACE MAP NO 3
Legal Block4
Legal Lot Number27
JurisdictionSAN MATEO CA
Minor Civil DivisionSAN MATEO
Census Blockgroup3
Census Block3011
Census Tract607400

Owner

Source: San Mateo County records · APN 039-341-280

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 Address320 27TH AVE, SAN MATEO, CA 94403-2420
OccupancyOwner Occupied
Owner TypeOwner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleMay 28, 2004 · Amount on Record
Deed SaleMay 28, 2004 · Amount on Record
Deed Doc Number2004110922
Last Transfer DateMay 20, 2011
Transfer Doc0000061703
Record RefreshedSep 20, 2026

September 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address320 27TH AVE, SAN MATEO, CA 94403-2420
Transaction TypeMortgage
Record UpdatedFeb 05, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000081814
DateSep 19, 2017
Instrument2017-081814
Lender
NameWELLS FARGO BANK NA
TypeBank
AddressSIOUX FALLS, SD 57104
Agreement
TypeLine of Credit
AmountAmount Recorded
Term361 Months
DueOct 09, 2047
Interest
Rate TypeAdjustable Rate

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$1,122,452 (+2%) Land $561,226 Building $561,226
2025$14,393.00 (+5.23%) Homeowner's exemption$1,100,444 (+4.04%) Land $550,222 Building $550,222
2023$13,678.00 (+0.08%) Homeowner's exemption$1,057,714 Land $528,857 Building $528,857$1,365,210
2022$13,667.00

Flood & Wildfire

320 27th 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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