3500 Lower Lock Ave, Belmont, CA 94002 Property Records

San Mateo County property record for 3500 Lower Lock Ave, Belmont, CA 94002

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,420 sqft · built 1959
Lot Size0.143 acres (6,237 sqft)
Owner2 Individual Names on File
Last Sale$742,000 (May 2004)
Tax Bill$13,666 (2025)
Deeds & MortgagesFeb 2021 Mortgage
Oct 2019 Mortgage
+ 1 more
Flood ZoneZone X (minimal risk)
APN043-091-090

Property Details

APN / Parcel Number

Primary APN043-091-090

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms6 Rooms
Building Area1,420 sqft Living Area
1st Floor Area1,420 sqft
Family RoomFamily Room

Exterior

Year BuiltBuilt 1959
Effective Year BuiltEffective 1959
Lot Area6,237 sqft (0.143 acres)
Lot Dimensions118 ft deep x 53 ft wide
Garage Area440 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address3500 LOWER LOCK AVE
CityBELMONT
StateCA
Zip94002-1309
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR10006
Legal DescriptionLOT 15 BLOCK 97 BELMONT CO CLUB PROP 8
Legal SubdivisionBELMONT CO CLUB PROP 8
Legal Block97
Legal Lot Number15
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group5
Census Block5003
Census Tract608800

Owner

3500 Lower Lock Ave is owned by two individuals who bought it in May 2004.

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

Owner of Record2 Individual Names on File
Mailing Address771 CASTLE HILL RD, REDWOOD CITY, CA 94061-1103
Owner TypeIndividual
VestingCommunity Property

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

Deeds, Mortgages & Sale History

DateDocument
Feb 17, 2021Deed of Trust, Mortgage · Conventional Mortgage
CARDINAL FINANCIAL COMPANY LP
Oct 17, 2019Deed of Trust, Mortgage · Conventional Mortgage
LOANDEPOT.COM LLC
Feb 11, 2019Deed of Trust, Mortgage · Conventional Mortgage
QUICKEN LNS

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMay 4, 2004 · Amount on File
Deed SaleMay 4, 2004 · Amount on File
Deed Document Number200487724
Prior Transfer DateAug 21, 2000
Prior Transfer Doc0000114319
Record UpdatedOct 29, 2026

February 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address3500 LOWER LOCK AVE, BELMONT, CA 94002-1309
Transaction TypeMortgage
Record UpdatedMar 12, 2021

Transferred To (Grantee/Buyer)

NameVerified Name
Address771 CASTLE HILL RD, REDWOOD CITY, CA 94061-1103

Mortgage

Document Number0000026248
DateFeb 17, 2021
Instrument2021-026248
Lender
NameCARDINAL FINANCIAL COMPANY LP
TypeMortgage Company
AddressCHARLOTTE, NC 28273
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueMar 1, 2051

October 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address3500 LOWER LOCK AVE, BELMONT, CA 94002-1309
Document Number0000088209
Instrument DateOct 17, 2019
Transaction TypeMortgage
Record UpdatedNov 11, 2019
Title CompanyNOT AVAILABLE

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property
Address771 CASTLE HILL RD REDWOOD CITY CA 940611103, REDWOOD CITY, CA 94061-1103

Mortgage

Document Number0000088209
DateOct 23, 2019
Instrument88209
Lender
NameLOANDEPOT.COM LLC
TypeFunding / Finance Company
AddressFOOTHILL RANCH, CA 92610
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term360 Months
DueOct 22, 2049

February 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address3500 LOWER LOCK AVE, BELMONT, CA 94002-1309
Document Number0000009584
Instrument DateFeb 11, 2019
Transaction TypeMortgage
Record UpdatedMar 1, 2019
Title CompanyOTHER

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipHusband and Wife
Address771 CASTLE HILL RD REDWOOD CITY CA 940611103, REDWOOD CITY, CA 94061-1103

Mortgage

Document Number0000009584
DateFeb 12, 2019
Instrument9584
Lender
NameQUICKEN LNS
TypeFunding / Finance Company
AddressDETROIT, MI 48226-1906
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term360 Months
DueFeb 11, 2049

Tax Assessment & Valuation

The 2025 property tax bill for 3500 Lower Lock Ave was $13,666.

Source: San Mateo County assessment roll, as of July 15, 2026

Property Jurisdictions

TypeName
StateCalifornia
MunicipalityBelmont City
CountySan Mateo County
Elementary School DistrictBelmont-Redwood Shores Elementary School District (KG - 08)
Secondary School DistrictSequoia Union High School District (09 - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$1,076,052 (+2%) Land $538,026 Building $538,026
2025$13,666.00$1,054,954 Land $527,477 Building $527,477
2023$13,019.00 (+0.63%)$1,013,992 Land $506,996 Building $506,996$1,633,050
2022$12,937.00

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

Flood

FEMA maps place 3500 Lower Lock Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1980.

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 Claims1 (1980)
Most Recent ClaimJan 1980 · tidal / storm surge

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

Wildfire risk around 3500 Lower Lock Ave is low, with a 0.02% annual chance of wildfire.

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

Wildfire RiskLow
lower than 96% of the US · lower than 97.4% of California
Wildfire Likelihood0.02% annual chance
ExposureNone
beyond 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 SystemMID-PENINSULA WATER DISTRICT
serves 31,059 people · EPA ID CA4110001
Water SourcePurchased surface water from several systems
Last State InspectionFeb 2025
LeadUnder 1 ppb (2022–2024)
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 314 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber
5,000 / 5,000
Xfinity
Cable
2,000 / 250
Verizon
Fixed Wireless
1,000 / 75

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

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Lower Lock Ave

Nearby Streets

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