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1809 Hemlock Ave, San Mateo, CA 94401 Property Records

San Mateo County property record for 1809 Hemlock Ave, San Mateo, CA 94401

Property Summary

Property TypeSingle Family Home
Details2 bd · 2 ba · 1,080 sqft · built 1955
Lot Size0.124 acres (5,400 sqft)
Owner2 Company Names on Record
Last Sale$10,000 (Nov 1997)
Tax Bill$6,005 (2025)
Deeds & MortgagesMay 2020 Transfer
Dec 2017 Transfer
Flood ZoneZone X (reduced by levee)
APN035-112-150

Property Details

APN / Parcel Number

Primary APN035-112-150

Interior

Bedrooms2 Beds
Full Baths2 Baths
Total Rooms5 Rooms
Stories1 Story
Building Area1,080 sqft Living Area
1st Floor Area1,080 sqft
Family RoomFamily Room
StudyStudy
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1955
Effective Year BuiltEffective 1955
Architectural StyleRanch
Exterior MaterialOther
Construction TypeFrame
Roof MaterialTar & Gravel
Lot Area5,400 sqft (0.124 acres)
Lot Dimensions100 ft deep x 54 ft wide
Garage Area420 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
Heating FuelGas
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address1809 HEMLOCK AVE
CitySAN MATEO
StateCA
Zip94401-3430
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR106
Legal DescriptionLOT 15 BLOCK 18 SHORE VIEW TRACT MAP NO 10 RSM 34/44 45 46 47 CITY OF SAN MATEO
Legal SubdivisionSHORE VIEW TRACT MAP NO 10
Legal Block18
Legal Lot Number15
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group2
Census Block2000
Census Tract607702

Owner

Source: San Mateo County records, as of October 9, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Company Names on Record
Mailing Address1809 HEMLOCK AVE, SAN MATEO, CA 94401-3430
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
May 1, 2020Quit Claim Deed, Transfer
NOT AVAILABLE
Dec 13, 2017Affidavit of Death, Transfer

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleNov 12, 1997 · Amount on Record
Deed SaleNov 12, 1997 · Amount on Record
Deed Document Number1997146487
Last Transfer DateOct 3, 2017
Transfer Doc0000097839
Record UpdatedOct 29, 2026

May 2020: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSAN MATEO CA
Recording DateMay 1, 2020
Property Address1809 HEMLOCK AVE, SAN MATEO, CA 94401-3430
Document Number0000039413
Instrument DateApr 22, 2020
Instrument39413
Transaction TypeTransfer
Record UpdatedJun 1, 2020
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address1809 HEMLOCK AVE SAN MATEO CA 944013430, SAN MATEO, CA 94401-3430

December 2017: Affidavit of Death, Transfer

Document TypeAffidavit of Death
JurisdictionSAN MATEO CA
Recording DateDec 13, 2017
Property Address1809 HEMLOCK AVE, SAN MATEO, CA 94401-3430
Document Number0000112029
Instrument DateDec 7, 2017
Instrument112029
Transaction TypeTransfer
Record UpdatedJan 18, 2018

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address1809 HEMLOCK AVE SAN MATEO CA 944013430, SAN MATEO, CA 94401-3430

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$352,827 (+2%) Land $198,249 Building $154,578
2025$6,005.00 (+9.24%) Homeowner's exemption$345,910 (+4.04%) Land $194,362 Building $151,548
2023$5,497.00 (-1.68%) Homeowner's exemption$332,479 Land $186,815 Building $145,664$1,284,300
2022$5,591.00

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
reduced by levee · depends on levee performance
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies6 in force
Nearby Flood Claims8 (1981–2023)
Claims Outside the SFHA3 of 8
Most Recent ClaimJan 2023 · Severe Winter Storms, Flooding, Landslides, And Mudslides
Claims by Event
  • Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 3 claims

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 1,004 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · Fixed Wireless in parts of the area		5,000 / 5,000
Xfinity
Cable		2,000 / 250
Astound Broadband
Cable		1,500 / 50
Unwired
Fixed Wireless		300 / 25
Etheric Networks
Fixed Wireless		250 / 100
T-Mobile
Fixed Wireless		100 / 20

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

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