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121 11th Ave, San Mateo, CA 94401 Property Records

San Mateo County property record for 121 11th Ave, San Mateo, CA 94401

Property Summary

Property TypeSingle Family Home
Details3 bd · 3 ba · 2,130 sqft · built 1922
Lot Size0.101 acres (4,400 sqft)
Owner2 Company Names on Record
Tax Bill$7,078 (2025)
Deeds & MortgagesMay 2022 Transfer
Jul 2021 Mortgage
Flood ZoneZone X (minimal risk)
APN034-282-130

Property Details

APN / Parcel Number

Primary APN034-282-130

Interior

Bedrooms3 Beds
Full Baths3 Baths
Total Rooms8 Rooms
Stories2 Stories
Building Area2,130 sqft Living Area
1st Floor Area1,270 sqft
Family RoomFamily Room
StudyStudy

Exterior

Year BuiltBuilt 1922
Effective Year BuiltEffective 1922
Lot Area4,400 sqft (0.101 acres)
Lot Dimensions110 ft deep x 40 ft wide
View / LotAlley
Garage Area180 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address121 11TH AVE
CitySAN MATEO
StateCA
Zip94401-4310
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR10006
Legal DescriptionLOT 4 BLOCK N SUB NO 3 & RESUB BLKS G & H OF SUB NO 2 HAYWARD PARK RSM 5/36
Legal SubdivisionHAYWARD PARK
Legal BlockN,G,H
Legal Lot Number4
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group1
Census Block1003
Census Tract606600

Owner

Source: San Mateo County records, as of July 15, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record2 Company Names on Record
Mailing Address121 11TH AVE, SAN MATEO, CA 94401-4310
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
May 18, 2022Intrafamily Transfer, Transfer
Jul 12, 2021Deed of Trust, Mortgage · Conventional Mortgage
JPMORGAN CHASE BANK NA

Assessor's Deed Record

Deed Names2 Names on Deed
Last Transfer DateNov 22, 1993
Transfer Doc0000213443
Record UpdatedOct 29, 2026

May 2022: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSAN MATEO CA
Recording DateMay 18, 2022
Property Address121 11TH AVE, SAN MATEO, CA 94401-4310
Document Number0000041325
Map ReferenceMB 5 PG 36
Instrument DateMay 13, 2022
Instrument2022-041325
Transaction TypeTransfer
Record UpdatedJun 7, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address121 11TH AVE, SAN MATEO, CA 94401-4310

July 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address121 11TH AVE, SAN MATEO, CA 94401-4310
Transaction TypeMortgage
Record UpdatedAug 2, 2021
Title CompanyAMROCK TITLE CALIFORNIA INC

Transferred To (Grantee/Buyer)

NameVerified Name
Address121 11TH AVE, SAN MATEO, CA 94401-4310

Mortgage

Document Number0000104046
DateJul 12, 2021
Instrument2021-104046
Lender
NameJPMORGAN CHASE BANK NA
TypeBank
AddressCOLUMBUS, OH 43240
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueJul 1, 2051

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$494,965 (+2%) Land $203,687 Building $291,278
2025$7,078.00 (+5.45%) Homeowner's exemption$485,262 (+4.04%) Land $199,694 Building $285,568
2023$6,712.00 (-1.19%) Homeowner's exemption$466,423 Land $191,941 Building $274,482$1,581,480
2022$6,793.00

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 · 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 Policies3 in force

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 906 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
Etheric Networks
Fixed Wireless		250 / 100
T-Mobile
Fixed Wireless		100 / 20

May also be available: GeoLinks, Unwired, Verizon.

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