102 Britton Ave, Atherton, CA 94027 Property Records

San Mateo County property record for 102 Britton Ave, Atherton, CA 94027

Property Summary

Property Type	Single Family Home
Details	6 bd · 7.5 ba · 12,389 sqft · built 2022
Lot Size	1.2 acres (52,279 sqft)
Owner	Company Name on Record
Last Sale	$21,000,000 (Sep 2022)
Tax Bill	$302,455 (2025)
Deeds & Mortgages	Sep 2022 Sale Jun 2021 Construction Loan + 2 more
Flood Zone	Zone X (minimal risk)
APN	`070-213-010`

Property Details

APN / Parcel Number

Primary APN	`070-213-010`

Interior

Bedrooms	6 Beds
Full Baths	7.5 Baths
Half Baths	1 Half Bath
Total Rooms	18 Rooms
Stories	2 Stories
Building Area	12,389 sqft Living Area
Gross Area	12,839 sqft
1st Floor Area	4,944 sqft
2nd Floor Area	2,482 sqft
Basement Area	5,076 sqft
Finished Basement	4,626 sqft
Unfinished Basement	450 sqft
Family Room	Family Room
Study	Study

Exterior

Year Built	Built 2022
Effective Year Built	Effective 2022
Lot Area	52,279 sqft
Lot Dimensions	169 ft deep x 329 ft wide
Garage Area	1,002 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	102 BRITTON AVE
City	ATHERTON
State	CA
Zip	94027-4109
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1001A
Legal Description	1.427 ACS E BY BRITTON AVE PTN OF LOT 4 VALPARAISO PARK RSM 19/10 TOWN OF ATHERTON
Legal Subdivision	PARAISO PARK
Legal Lot Number	4
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	1
Census Block	1003
Census Tract	611400

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	Company Name on Record
Mailing Address	718 OAK GROVE AVE, MENLO PARK, CA 94025-4320
Owner Type	Company
Vesting	Limited Liability Company

Deeds, Mortgages & Sale History

Date	Document
Sep 30, 2022	Grant Deed, Transfer LAWYERS TITLE COMPANY/CA, LAWYERS TITLE COMPANY
Jun 28, 2021	Deed of Trust, Mortgage · Construction Mortgage FIRST REPUBLIC BANK
Oct 23, 2020	Affidavit of Death, Transfer LAWYERS TITLE
Oct 23, 2020	Grant Deed, Transfer · Conventional Mortgage FIRST REPUBLIC BANK

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Sep 30, 2022 · Amount on Record
Deed Sale	Sep 30, 2022 · Amount on Record
Prior Sale	Oct 23, 2020 · Amount on Record
Deed Document Number	202270789
Prior Transfer Date	Mar 1, 2007
Prior Transfer Doc	0000043890
Record Updated	Oct 29, 2026

September 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Sep 30, 2022
Property Address	102 BRITTON AVE, ATHERTON, CA 94027-4109
Document Number	0000070789
Map Reference	MB 2 PG 90
Instrument Date	Sep 13, 2022
Instrument	2022-070789
Transaction Type	Transfer
Record Updated	Oct 21, 2022
Title Company	LAWYERS TITLE COMPANY/CA, LAWYERS TITLE COMPANY

Transaction

Amount	Amount Recorded
Tax	$23,100.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	102 BRITTON AVE, ATHERTON, CA 94027-4109

June 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	102 BRITTON AVE, ATHERTON, CA 94027-4109
Transaction Type	Mortgage
Record Updated	Aug 5, 2022
Title Company	LAWYERS TITLE COMPANY/CA, LAWYERS TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	102 BRITTON AVE, ATHERTON, CA 94027-4109

Mortgage

Document Number	0000097612
Date	Jun 28, 2021
Instrument	2021-097612

Lender

Name	FIRST REPUBLIC BANK
Type	Bank
Address	SAN FRANCISCO, CA 94111

Agreement

Type	Construction Mortgage
Amount	Amount Recorded
Term	30 Months
Due	Dec 15, 2023

Interest

Rate Type	Adjustable Rate
Rate	3.75%
Type Change Date	Jul 1, 2021
Change Frequency	Monthly
Min Rate At Change	3.75%
Index	Prime Rate
Max Rate	14.9%

October 2020: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	SAN MATEO CA
Recording Date	Oct 23, 2020
Property Address	102 BRITTON AVE, ATHERTON, CA 94027-4109
Document Number	0000116653
Instrument Date	Oct 11, 2020
Instrument	116653
Transaction Type	Transfer
Record Updated	Dec 1, 2020
Title Company	LAWYERS TITLE

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	104 BUSH ST ASHLAND OR 975202608, ASHLAND, OR 97520-2608

October 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Oct 23, 2020
Property Address	102 BRITTON AVE, ATHERTON, CA 94027-4109
Document Number	0000116655
Map Reference	MB 2 PG 90
Instrument Date	Oct 11, 2020
Instrument	2020-116655
Transaction Type	Transfer
Record Updated	Aug 5, 2022
Title Company	LAWYERS TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$11,027.50
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	718 OAK GROVE AVE, MENLO PARK, CA 94025-4326

Mortgage

Document Number	0000116656
Date	Oct 23, 2020
Instrument	2020-116656

Lender

Name	FIRST REPUBLIC BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	25 Months
Due	Nov 1, 2022

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
Municipality	Atherton Town
County	San Mateo County
Elementary School District	Menlo Park City Elementary School District (KG - 08)
Secondary School District	Sequoia Union High School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$27,986,343 (+2%) Land $13,265,100 Building $14,721,243
2025	$302,455.00 (+2.82%)	$27,437,592 (+36.91%) Land $13,005,000 Building $14,432,592
2024	$294,154.00 (+33.65%)
2023	$220,092.00 (+92.24%)	$20,040,000 Land $12,500,000 Building $7,540,000
2022	$114,491.00

Assessed value is set for property tax purposes and is not a market price estimate.

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 minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	2 in force
Nearby Flood Claims	2 (1998)
Claims Outside the SFHA	2 of 2
Most Recent Claim	Feb 1998 · Severe Winter Storms And Flooding
Claims by Event	Severe Winter Storms And Flooding, Feb 1998 · 2 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 Risk	Low lower than 94% of the US · lower than 96% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond 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 - BEAR GULCH private · serves 60,382 people · EPA ID CA4110006
Water Source	Surface water
Last State Inspection	Feb 2025
Lead	4 ppb (2022–2024) 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 253 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fiber, Fixed Wireless in parts of the area	100 / 20

May also be available: GeoLinks, Race Communications, Sonic Telecom.

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