910 Folkstone Ave, San Mateo, CA 94402 Property Records

San Mateo County property record for 910 Folkstone Ave, San Mateo, CA 94402

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 1,250 sqft · built 1948
Lot Size	0.103 acres (4,500 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,450,000 (Apr 2026)
Tax Bill	$3,176 (2025)
Deeds & Mortgages	Jun 2026 Construction Loan Apr 2026 Sale & Mortgage + 4 more
Flood Zone	Zone X (reduced by levee)
APN	`035-084-010`

Property Details

APN / Parcel Number

Primary APN	`035-084-010`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,250 sqft Living Area
1st Floor Area	1,250 sqft
Family Room	Family Room

Exterior

Year Built	Built 1948
Effective Year Built	Effective 1948
Lot Area	4,500 sqft (0.103 acres)
Lot Dimensions	90 ft deep x 50 ft wide
View / Lot	Corner
Garage Area	210 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	910 FOLKSTONE AVE
City	SAN MATEO
State	CA
Zip	94402-1971
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10006
Legal Description	LOT 9 BLOCK 28 SUNNYBRAE MAP NO 3 RSM 26/11 12 13 CITY OF SAN MATEO
Legal Subdivision	SUNNYBRAE MAP NO 3
Legal Block	28
Legal Lot Number	9
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	1
Census Block	1002
Census Tract	607600

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 Record	2 Individual Names on Record
Mailing Address	833 MAHLER RD, 10, BURLINGAME, CA 94010-1609
Owner Type	Individual
Vesting	Tenants in Common

Deeds, Mortgages & Sale History

Date	Document
Jun 26, 2026	Deed of Trust, Mortgage · Construction Mortgage Y2 INVESTMENT LLC
Apr 27, 2026	Grant Deed, Transfer · Conventional Mortgage FIRST CHOICE BANK
Nov 7, 2025	Affidavit of Death of Joint Tenant, Transfer
Nov 7, 2025	Intrafamily Transfer, Transfer
Jun 8, 2021	Intrafamily Transfer, Transfer · Conventional Mortgage SYNERGY ONE LENDING
Apr 4, 2017	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 27, 2026 · Amount on Record
Deed Sale	Apr 27, 2026 · Amount on Record
Deed Document Number	202622154
Prior Transfer Date	Oct 31, 2025
Prior Transfer Doc	0000059951
Record Updated	Sep 20, 2026

June 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Recording Date	Jun 26, 2026
Property Address	910 FOLKSTONE AVE, SAN MATEO, CA 94402-1971
Document Number	0000036638
Instrument Date	Jun 11, 2026
Instrument	202636638
Transaction Type	Mortgage
Record Updated	Jul 28, 2026
Title Company	NONE LISTED ON DOCUMENT

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Common, 169
Address	1291 MARCELLO DR, SAN JOSE, CA 95131-1773

Mortgage

Document Number	0000036638,
Date	Jun 26, 2026
Instrument	202636638

Lender

Name	Y2 INVESTMENT LLC

Agreement

Type	Construction Mortgage
Amount	Amount Recorded
Term	12 Months
Due	Jul 1, 2027

Interest

Rate	6.36%
Max Rate	-1%

April 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Apr 27, 2026
Property Address	910 FOLKSTONE AVE, SAN MATEO, CA 94402-1971
Document Number	0000022154
Instrument Date	Apr 21, 2026
Instrument	202622154
Transaction Type	Transfer
Record Updated	Jul 6, 2026
Title Company	LAWYERS LAND TITLE COMPANY, LAWYERS TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$161,095.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Common

Mortgage

Document Number	0000022155,
Date	Apr 27, 2026
Instrument	202622155

Lender

Name	FIRST CHOICE BANK

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded

Interest

Rate	6.11%
Max Rate	-1%

November 2025: Affidavit of Death of Joint Tenant, Transfer

Document Type	Affidavit of Death of Joint Tenant
Jurisdiction	SAN MATEO CA
Recording Date	Nov 7, 2025
Property Address	910 FOLKSTONE AVE, SAN MATEO, CA 94402-1971
Document Number	0000059951
Map Reference	MB 26 PG 11-13
Instrument Date	Oct 25, 2025
Instrument	2025-059951
Transaction Type	Transfer
Record Updated	Dec 12, 2025

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	9686 N UINTA DR, KAMAS, UT 84036-5007

November 2025: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Nov 7, 2025
Property Address	910 FOLKSTONE AVE, SAN MATEO, CA 94402-1971
Document Number	0000059952
Map Reference	MB 26 PG 11-13
Instrument Date	Oct 25, 2025
Instrument	2025-059952
Transaction Type	Transfer
Record Updated	Dec 12, 2025

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	9686 N UINTA DR, KAMAS, UT 84036-5007

June 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Jun 8, 2021
Property Address	910 FOLKSTONE AVE, SAN MATEO, CA 94402-1971
Document Number	0000088418
Map Reference	MB 26 PG 11-13
Instrument Date	Aug 30, 2020
Instrument	2021-088418
Transaction Type	Transfer
Record Updated	Jan 17, 2022
Title Company	TIMIOS TITLE AND ESCROW, TIMIOS TITLE A CA CORP

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	910 FOLKSTONE AVE, SAN MATEO, CA 94402-1971

Mortgage

Document Number	0000088419
Date	Jun 8, 2021
Instrument	2021-088419

Lender

Name	SYNERGY ONE LENDING
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	351 Months
Due	Sep 1, 2050

April 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Apr 4, 2017
Property Address	910 FOLKSTONE AVE, SAN MATEO, CA 94402-1971
Document Number	0000029399
Instrument Date	Mar 18, 2017
Instrument	29399
Transaction Type	Transfer
Record Updated	Apr 25, 2017
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	910 FOLKSTONE AVE SAN MATEO CA 944021971, SAN MATEO, CA 94402-1971

Tax Assessment & Valuation

Source: San Mateo County assessment roll, as of July 15, 2026

Property Jurisdictions

Type	Name
State	California
County	San Mateo County
Municipality	San Mateo City
Elementary School District	San Mateo-Foster City Elementary School District (KG - 08)
Secondary School District	San Mateo Union High School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$98,561 (+2%) Land $29,949 Building $68,612
2025	$3,176.00 (+10.74%)	$96,629 (+4.04%) Land $29,362 Building $67,267
2024	$2,868.00 (-3.3%)
2023	$2,966.00 (-9.66%)	$92,879 Land $28,223 Building $64,656	$1,264,050
2022	$3,283.00

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 Zone	Zone X reduced by levee · depends on levee performance
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	8 in force
Nearby Flood Claims	1 (2022)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Dec 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 Risk	Not 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 System	CALIFORNIA WATER SERVICE - SAN MATEO private · serves 103,536 people · EPA ID CA4110008
Water Source	Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM
Last State Inspection	Mar 2025
Lead	4 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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

Provider	Max 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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