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1240 Irwin St, Belmont, CA 94002 Property Records

San Mateo County property record for 1240 Irwin St, Belmont, CA 94002

Property Summary

Property TypeSingle Family Home
Details2 bd · 2 ba · 1,540 sqft · built 1947
Lot Size0.115 acres (5,001 sqft)
Owner2 Individual Names on Record
Last Sale$2,000,000 (Jun 2022)
Tax Bill$25,672 (2025)
Deeds & MortgagesJun 2022 Sale & Mortgage
Flood ZoneZone X (moderate risk)
APN040-341-150

Property Details

APN / Parcel Number

Primary APN040-341-150

Interior

Bedrooms2 Beds
Full Baths2 Baths
Total Rooms6 Rooms
Stories1 Story
Building Area1,540 sqft Living Area
Gross Area1,830 sqft
1st Floor Area1,090 sqft
Basement Area290 sqft
Family RoomFamily Room
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1947
Effective Year BuiltEffective 1947
Architectural StyleRanch
Exterior MaterialStucco
Construction TypeWood
Roof MaterialComposition Shingle
Lot Area5,001 sqft (0.115 acres)
Lot Dimensions92 ft deep x 54 ft wide
Garage TypeBasement
Garage Area290 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address1240 IRWIN ST
CityBELMONT
StateCA
Zip94002-2839
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR10006
Legal DescriptionLOT 15 BLOCK 4 HOMEVIEW MAP NO 1 RSM 25/56 57 CITY OF BELMONT
Legal SubdivisionHOMEVIEW MAP NO 1
Legal Block4
Legal Lot Number15
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group2
Census Block2021
Census Tract608600

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 Address1240 IRWIN ST, BELMONT, CA 94002-2839
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJun 2, 2022 · Amount on Record
Deed SaleJun 2, 2022 · Amount on Record
Prior SaleJan 11, 1994 · Amount on Record
Deed Document Number202244816
Prior Transfer DateFeb 26, 2005
Prior Transfer Doc0000054012
Record UpdatedOct 29, 2026

June 2022: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSAN MATEO CA
Recording DateJun 2, 2022
Property Address1240 IRWIN ST, BELMONT, CA 94002-2839
Document Number0000044816
Map ReferenceMB 25 PG 56&57
Instrument DateMay 21, 2022
Instrument2022-044816
Transaction TypeTransfer
Record UpdatedJun 23, 2022
Title CompanyLAWYERS TITLE COMPANY/CA, LAWYERS TITLE COMPANY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$2,200.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address1240 IRWIN ST, BELMONT, CA 94002-2839

Mortgage

Document Number0000044817
DateJun 2, 2022
Instrument2022-044817
Lender
NameGOOGAIN INC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueJun 1, 2052

Tax Assessment & Valuation

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$2,164,864 (+2%) Land $1,758,952 Building $405,912
2025$25,672.00 (+24.24%) Homeowner's exemption$2,122,416 (+21.77%) Land $1,724,463 Building $397,953
2023$20,663.00 (+189.6%) Homeowner's exemption$1,743,000 Land $1,412,000 Building $331,000$1,615,230
2022$7,135.00

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
moderate risk
500-Year FloodplainYes
0.2% annual chance
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 10 policies
Nearby Flood Policies10 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 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 512 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 · Fiber in parts of the area		2,000 / 250
Etheric Networks
Fixed Wireless		250 / 100
T-Mobile
Fixed Wireless		100 / 20

May also be available: Astound Broadband, GeoLinks, Sonic Telecom, Verizon.

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