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806 Folkstone Ave, San Mateo, CA 94402 Property Records

San Mateo County property record for 806 Folkstone Ave, San Mateo, CA 94402

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,331 sqft · built 1948
Lot Size0.103 acres (4,500 sqft)
Owner2 Company Names on Record
Last Sale$1,671,000 (Mar 2018)
Tax Bill$23,157 (2025)
Deeds & MortgagesAug 2019 Transfer
Mar 2018 Sale
Flood ZoneZone X (reduced by levee)
APN035-081-090

Property Details

APN / Parcel Number

Primary APN035-081-090

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms6 Rooms
Stories1 Story
Building Area1,331 sqft Living Area
1st Floor Area1,127 sqft
Family RoomFamily Room

Exterior

Year BuiltBuilt 1948
Effective Year BuiltEffective 1948
Lot Area4,500 sqft (0.103 acres)
Lot Dimensions90 ft deep x 50 ft wide
Garage Area244 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address806 FOLKSTONE AVE
CitySAN MATEO
StateCA
Zip94402-1928
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR10006
Legal DescriptionLOT 26 BLOCK 26 SUNNYBRAE MAP NO 3 RSM 26/11 12 13 CITY OF SAN MATEO
Legal SubdivisionSUNNYBRAE MAP NO 3
Legal Block26
Legal Lot Number26
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group4
Census Block4008
Census Tract607600

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 Company Names on Record
Mailing Address806 FOLKSTONE AVE, SAN MATEO, CA 94402-1928
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
Aug 14, 2019Quit Claim Deed, Transfer
ATTORNEY ONLY
Mar 1, 2018Grant Deed, Transfer
OLD REPUBLIC TITLE

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMar 1, 2018 · Amount on Record
Deed SaleMar 1, 2018 · Amount on Record
Prior SaleJun 21, 2013 · Amount on Record
Deed Document Number201814627
Last Transfer DateJul 30, 2019
Transfer Doc0000064867
Record UpdatedOct 29, 2026

August 2019: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSAN MATEO CA
Recording DateAug 14, 2019
Property Address806 FOLKSTONE AVE, SAN MATEO, CA 94402-1928
Document Number0000064867
Instrument DateJul 30, 2019
Instrument64867
Transaction TypeTransfer
Record UpdatedSep 4, 2019
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address806 FOLKSTONE AVE SAN MATEO CA 944021928, SAN MATEO, CA 94402-1928

March 2018: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSAN MATEO CA
Recording DateMar 1, 2018
Property Address806 FOLKSTONE AVE, SAN MATEO, CA 94402-1928
Document Number0000014627
Instrument DateFeb 26, 2018
Instrument14627
Transaction TypeTransfer
Record UpdatedMar 16, 2018
Title CompanyOLD REPUBLIC TITLE

Transaction

AmountAmount Recorded
Tax$1,838.10
Amount AccuracyFull Value
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address806 FOLKSTONE AVE SAN MATEO CA 944021928, SAN MATEO, CA 94402-1928

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$1,939,334 (+2%) Land $1,392,700 Building $546,634
2025$23,157.00 (+4.94%) Homeowner's exemption$1,901,309 (+4.04%) Land $1,365,393 Building $535,916
2023$22,067.00 (+1.41%) Homeowner's exemption$1,827,480 Land $1,312,374 Building $515,106$1,621,170
2022$21,760.00

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

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 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
Astound Broadband
Cable · Fiber in parts of the area		1,500 / 50
Etheric Networks
Fixed Wireless		250 / 100
T-Mobile
Fixed Wireless		100 / 20

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

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