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2012 Harding Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 2012 Harding Ave, San Mateo, CA 94403

Property Summary

Property TypeSingle Family Home
Details3 bd · 1 ba · 1,390 sqft · built 1955
Lot Size0.115 acres (5,000 sqft)
Owner2 Individual Names on Record
Last Sale$1,700,000 (Jun 2024)
Tax Bill$21,134 (2025)
Deeds & MortgagesFeb 2024 Mortgage
Feb 2024 Transfer
Flood ZoneZone X (reduced by levee)
APN035-184-020

Property Details

APN / Parcel Number

Primary APN035-184-020

Interior

Bedrooms3 Beds
Full Baths1 Bath
Total Rooms6 Rooms
Building Area1,390 sqft Living Area
1st Floor Area1,110 sqft
Family RoomFamily Room

Exterior

Year BuiltBuilt 1955
Effective Year BuiltEffective 1955
Lot Area5,000 sqft (0.115 acres)
Lot Dimensions100 ft deep x 50 ft wide
Garage Area460 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address2012 HARDING AVE
CitySAN MATEO
StateCA
Zip94403-1008
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR106
Legal DescriptionLOT 2 BLOCK 8 PARKSIDE UNIT NO 3 RSM 40/43 44 45 46 CITY OF SAN MATEO
Legal SubdivisionPARKSIDE UNIT NO 3
Legal Block8
Legal Lot Number2
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group1
Census Block1015
Census Tract607800

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 Address2012 HARDING AVE, SAN MATEO, CA 94403-1008
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

Deeds, Mortgages & Sale History

DateDocument
Feb 20, 2024Deed of Trust, Mortgage · Conventional Mortgage
MACKLINE INC
Feb 26, 2024Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJun 26, 2024 · Amount on Record
Deed SaleJun 26, 2024 · Amount on Record
Deed Document Number202434111
Last Transfer DateOct 2, 2024
Transfer Doc0000059703
Record UpdatedSep 20, 2026

February 2024: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address2012 HARDING AVE, SAN MATEO, CA 94403-1008
Transaction TypeMortgage
Record UpdatedMar 12, 2024
Title CompanyLAWYERS TITLE

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000009493
DateFeb 20, 2024
Instrument2024-009493
Lender
NameMACKLINE INC
TypeNon-Lending Institution
AddressCHOWCHILLA, CA 93610
Agreement
TypeConventional Mortgage

February 2024: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSAN MATEO CA
Recording DateFeb 26, 2024
Property Address2012 HARDING AVE, SAN MATEO, CA 94403-1008
Document Number0000010445
Map ReferenceLB 40 PG 43-46
Instrument DateFeb 23, 2024
Instrument2024-010445
Transaction TypeTransfer
Record UpdatedMar 21, 2024

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address2012 HARDING AVE, SAN MATEO, CA 94403-1008

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$1,768,679 (+2%) Land $975,895 Building $792,784
2025$21,134.00 (+772.95%) Homeowner's exemption$1,734,000 (+1,649.04%) Land $956,760 Building $777,240
2023$2,421.00 (-10.3%) Homeowner's exemption$99,140 Land $22,346 Building $76,794$1,408,410
2022$2,699.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are 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
reduced by levee · depends on levee performance
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 29 policies
Nearby Flood Policies29 in force
Nearby Flood Claims5 (2010–2015)
Claims Outside the SFHA3 of 5
Most Recent ClaimFeb 2015 · rainfall accumulation

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 856 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · DSL in parts of the area		5,000 / 5,000
Xfinity
Cable		2,000 / 250
Astound Broadband
Cable		1,500 / 50
Etheric Networks
Fixed Wireless		250 / 100
T-Mobile
Fixed Wireless		100 / 20

May also be available: GeoLinks, Verizon.

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