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605 Guildford Ave, San Mateo, CA 94402 Property Records

San Mateo County property record for 605 Guildford Ave, San Mateo, CA 94402

Property Summary

Property TypeSingle Family Home
Details4 bd · 2 ba · 1,640 sqft · built 1946
Lot Size0.103 acres (4,500 sqft)
Owner2 Company Names on File
Last Sale$285,000 (Nov 1994)
Tax Bill$7,040 (2025)
Deeds & MortgagesMar 2018 Transfer
Mar 2018 Transfer
Flood ZoneZone X (reduced by levee)
APN035-077-200

Property Details

APN / Parcel Number

Primary APN035-077-200

Interior

Bedrooms4 Beds
Full Baths2 Baths
Total Rooms8 Rooms
Stories1 Story
Building Area1,640 sqft Living Area
1st Floor Area1,170 sqft
Family RoomFamily Room
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1946
Effective Year BuiltEffective 1946
Architectural StyleRanch
Exterior MaterialStucco
Roof MaterialComposition Shingle
Lot Area4,500 sqft (0.103 acres)
Lot Dimensions90 ft deep x 50 ft wide
Garage Area260 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
Heating FuelGas
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address605 GUILDFORD AVE
CitySAN MATEO
StateCA
Zip94402-2171
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR10006
Legal DescriptionLOT 3 BLOCK 26 SUNNYBRAE MAP NO 3 RSM 26/11 12 13 CITY OF SAN MATEO
Legal SubdivisionSUNNYBRAE MAP NO 3
Legal Block26
Legal Lot Number3
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group4
Census Block4008
Census Tract607600

Owner

Source: San Mateo County assessment roll, 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 Company Names on File
Mailing Address605 GUILDFORD AVE, SAN MATEO, CA 94402-2171
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
Mar 20, 2018Quit Claim Deed, Transfer
Quitclaim
Mar 20, 2018Quit Claim Deed, Transfer
Quitclaim

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleNov 1, 1994 · Amount on Record
Deed SaleNov 1, 1994 · Amount on Record
Deed Document Number1994168128
Last Transfer DateMar 2, 2018
Transfer Doc0000020649
Record UpdatedSep 20, 2026

March 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSAN MATEO CA
Recording DateMar 20, 2018
Property Address605 GUILDFORD AVE, SAN MATEO, CA 94402-2171
Document Number0000020649
Instrument DateMar 2, 2018
Instrument20649
Transaction TypeTransfer
Record UpdatedApr 11, 2018

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address605 GUILDFORD AVE SAN MATEO CA 944022171, SAN MATEO, CA 94402-2171

March 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSAN MATEO CA
Recording DateMar 20, 2018
Property Address605 GUILDFORD AVE, SAN MATEO, CA 94402-2171
Document Number0000020648
Instrument DateMar 2, 2018
Instrument20648
Transaction TypeTransfer
Record UpdatedApr 11, 2018

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property
Address605 GUILDFORD AVE SAN MATEO CA 944022171, SAN MATEO, CA 94402-2171

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$488,260 (+2%) Land $244,130 Building $244,130
2025$7,040.00 (+2.61%) Homeowner's exemption$478,688 (+4.04%) Land $239,344 Building $239,344
2023$6,861.00 (-0.72%) Homeowner's exemption$460,100 Land $230,050 Building $230,050$1,385,280
2022$6,911.00

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 Policies4 in force
Nearby Flood Claims2 (2010–2022)
Claims Outside the SFHA1 of 2
Most Recent ClaimDec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides

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

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 797 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
Radiate Holdings
Cable · Fiber in parts of the area		1,500 / 50
Etheric Communications, LLC.
Fixed Wireless		250 / 100
T-Mobile USA
Fixed Wireless		100 / 20

May also be available: California Internet, Sonic Telecom, Unwired, Verizon.

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