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331 Tilton Ave, San Mateo, CA 94401 Property Records

San Mateo County property record for 331 Tilton Ave, San Mateo, CA 94401

Property Summary

Property TypeSingle Family Home
Details6 bd · 2 ba · 2,370 sqft · built 1907
Lot Size0.158 acres (6,900 sqft)
OwnerIndividual Name on Record
Tax Bill$4,002 (2025)
Deeds & MortgagesApr 2021 Mortgage
Feb 2019 Mortgage
+ 1 more
Flood ZoneZone X (moderate risk)
APN032-302-080

Property Details

APN / Parcel Number

Primary APN032-302-080

Interior

Bedrooms6 Beds
Full Baths2 Baths
Total Rooms12 Rooms
Building Area2,370 sqft
1st Floor Area1,300 sqft
2nd Floor Area1,070 sqft
Basement Area630 sqft

Exterior

Year BuiltBuilt 1907
Effective Year BuiltEffective 1907
Architectural StyleMulti-Family
Lot Area6,900 sqft (0.158 acres)
Lot Dimensions138 ft deep x 50 ft wide
Garage TypeDetached
Garage Area60 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address331 TILTON AVE
CitySAN MATEO
StateCA
Zip94401-2813
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeRM0004
Legal Description50 FT X 138 FT ON TILTON AVE COM 50 FT 10 IN FROM RAILROAD AVE BLOCK 16 WESTERN ADDITION TO TOWN OF SAN MATEO RSM 1/52 53
Legal SubdivisionWESTERN ADDITION TO TOWN OF SAN MATEO
Legal Block16
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group2
Census Block2011
Census Tract605902

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 RecordIndividual Name on Record
Mailing Address331 TILTON AVE, SAN MATEO, CA 94401-2813
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Apr 13, 2021Deed of Trust, Mortgage · Conventional Mortgage
UNITED WHOLESALE MORTGAGE
Feb 26, 2019Deed of Trust, Mortgage · Closed-End Mortgage
US BANK NA
Dec 21, 2018Quit Claim Deed, Transfer
Quitclaim

Assessor's Deed Record

Deed NamesName on Deed
Last Transfer DateApr 24, 1996
Transfer Doc0000050256
Record UpdatedSep 20, 2026

April 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address331 TILTON AVE, SAN MATEO, CA 94401-2813
Transaction TypeMortgage
Record UpdatedMay 13, 2021

Transferred To (Grantee/Buyer)

NameVerified Name
Address331 TILTON AVE, SAN MATEO, CA 94401-2813

Mortgage

Document Number0000058978
DateApr 13, 2021
Instrument2021-058978
Lender
NameUNITED WHOLESALE MORTGAGE
TypeMortgage Company
AddressPONTIAC, MI 48341
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueMay 1, 2051

February 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address331 TILTON AVE, SAN MATEO, CA 94401-2813
Transaction TypeMortgage
Record UpdatedFeb 5, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000012955
DateFeb 26, 2019
Instrument2019-012955
Lender
NameUS BANK NA
TypeBank
AddressCINCINNATI, OH 45202
Agreement
TypeClosed-End Mortgage
AmountAmount Recorded
Term240 Months
DueFeb 6, 2039

December 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSAN MATEO CA
Recording DateDec 21, 2018
Property Address331 TILTON AVE, SAN MATEO, CA 94401-2813
Document Number0000099641
Instrument DateNov 15, 2018
Instrument99641
Transaction TypeTransfer
Record UpdatedJan 4, 2019

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSeparate Estate/Property
Address331 TILTON AVE SAN MATEO CA 944012813, SAN MATEO, CA 94401-2813

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$98,815 (+2%) Land $45,029 Building $53,786
2025$4,002.00 (+7.96%) Homeowner's exemption$96,879 (+4.04%) Land $44,147 Building $52,732
2023$3,707.00 (+3.55%) Homeowner's exemption$93,120 Land $42,434 Building $50,686$1,440,630
2022$3,580.00

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective September 10, 2026

FEMA Flood ZoneZone X
moderate risk
500-Year FloodplainYes
0.2% annual chance
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; 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 791 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
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
Sonic Telecom
Fiber		1,000 / 1,000
Verizon
Fixed Wireless		1,000 / 75
Unwired
Fixed Wireless		300 / 25
Etheric Networks
Fixed Wireless		250 / 100

May also be available: GeoLinks, T-Mobile.

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