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560 31st Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 560 31st Ave, San Mateo, CA 94403

Property Summary

Property TypeSingle Family Home
Details5 bd · 2.5 ba · 1,974 sqft · built 1945
Lot Size0.128 acres (5,563 sqft)
Owner2 Individual Names on Record
Last Sale$7,727,272 (May 2020)
Tax Bill$23,851 (2025)
Deeds & MortgagesMay 2020 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN039-303-340

Property Details

APN / Parcel Number

Primary APN039-303-340

Interior

Bedrooms5 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms8 Rooms
Stories1 Story
Building Area1,974 sqft Living Area
1st Floor Area1,110 sqft
Family RoomFamily Room
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1945
Effective Year BuiltEffective 1945
Lot Area5,563 sqft (0.128 acres)
Lot Dimensions111 ft deep x 50 ft wide
Garage Area280 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address560 31ST AVE
CitySAN MATEO
StateCA
Zip94403-3813
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR10006
Legal DescriptionLOT 15 BLOCK 18 SAN MATEO TERRACE MAP NO 5 RSM 22/35 CITY OFSAN MATEO
Legal SubdivisionSAN MATEO TERRACE MAP NO 5
Legal Block18
Legal Lot Number15
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group3
Census Block3001
Census Tract607300

Owner

Source: San Mateo County records, as of July 15, 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 Record
Mailing Address560 31ST AVE, SAN MATEO, CA 94403-3813
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMay 26, 2020 · Amount on Record
Deed SaleMay 26, 2020 · Amount on Record
Prior SaleJul 8, 2010 · Amount on Record
Deed Document Number202047498
Prior Transfer DateFeb 11, 2009
Prior Transfer Doc0000061239
Record UpdatedOct 29, 2026

May 2020: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSAN MATEO CA
Recording DateMay 26, 2020
Property Address560 31ST AVE, SAN MATEO, CA 94403-3813
Document Number0000047498
Map ReferenceMB 22 PG 35
Instrument DateMay 19, 2020
Instrument2020-047498
Transaction TypeTransfer
Record UpdatedOct 18, 2022
Title CompanyUSA NATIONAL TITLE CO

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$10,370.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address115 ANITA RD APT 1, 1, BURLINGAME, CA 94010-3059

Mortgage

Document Number0000047499
DateMay 26, 2020
Instrument2020-047499
Lender
NameWELLS FARGO BANK NA
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueJun 1, 2050
Interest
Rate TypeAdjustable Rate
Rate2.5%
Type Change DateJun 1, 2030
Change FrequencyAnnually
Min Rate At Change2.25%
Max Rate At Change4.5%
Index1-Year LIBOR
Max Rate7.5%

Tax Assessment & Valuation

Source: San Mateo County assessment roll, as of July 15, 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

YearTax BillAssessed ValueAssessed Market Value
2026$1,896,378 (+2%) Land $1,115,517 Building $780,861
2025$23,851.00 (+6.6%) Homeowner's exemption$1,859,195 (+4.04%) Land $1,093,645 Building $765,550
2023$22,375.00 (+0.95%) Homeowner's exemption$1,787,002 Land $1,051,178 Building $735,824$1,844,100
2022$22,165.00

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

Flood

Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies2 in force
Nearby Flood Claims2 (2009–2017)
Claims Outside the SFHA2 of 2
Most Recent ClaimJan 2017 · Severe Winter Storms, Flooding, And Mudslides

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

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

Wildfire RiskNot rated
no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemCALIFORNIA WATER SERVICE - SAN MATEO
private · serves 103,536 people · EPA ID CA4110008
Water SourcePurchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM
Last State InspectionMar 2025
Lead4 ppb (2023–2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 732 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Sonic Telecom
Fiber		10,000 / 10,000
AT&T
Fiber · Fixed Wireless, DSL in parts of the area		5,000 / 5,000
Xfinity
Cable		2,000 / 250
Astound Broadband
Cable · Fiber in parts of the area		1,500 / 50

May also be available: Etheric Networks, T-Mobile.

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