175 Britton Ave, Atherton, CA 94027 Property Records

San Mateo County property record for 175 Britton Ave, Atherton, CA 94027 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	5 bd · 3.5 ba · 4,304 sqft · built 1942
Lot Size	1.04 acres (45,697 sqft)
Owner	2 Company Names on File
Last Sale	$10,000,000 (Jan 2022)
Tax Bill	$132,470 (2025)
Deeds & Mortgages	Jan 2022 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`070-214-150`

Property Details

APN / Parcel Number

Primary APN	`070-214-150`

Interior

Bedrooms	5 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	11 Rooms
Stories	1 Story
Building Area	4,304 sqft Living Area
1st Floor Area	2,560 sqft
Family Room	Family Room
Study	Study
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1942
Effective Year Built	Effective 1942
Exterior Material	Shingles
Roof Material	Other
Lot Area	45,697 sqft
Garage Area	1,360 sqft
Parking Spaces	5 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	175 BRITTON AVE
City	ATHERTON
State	CA
Zip	94027-4108
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	1.057 AC MOL THE CENTER LYING APPROX 850 FT ELY FR NLY COR OF ISABELA AVE & ELENA AVE PTN LOT 4 VALPARAISO PARK RSM 19/10
Legal Subdivision	PARAISO PARK
Legal Lot Number	4
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	1
Census Block	1012
Census Tract	611400

Owner

Source: San Mateo County records · APN 070-214-150

Assessment roll updated July 15, 2026 · Last verified July 2026

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

Owner of Record	2 Company Names on File
Mailing Address	175 BRITTON AVE, ATHERTON, CA 94027-4108
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jan 19, 2022 · Amount on Record
Deed Sale	Jan 19, 2022 · Amount on Record
Deed Document Number	20224403
Prior Transfer Date	Sep 19, 2016
Prior Transfer Doc	0000103263
Record Updated	Sep 20, 2026

January 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Jan 19, 2022
Property Address	175 BRITTON AVE, ATHERTON, CA 94027-4108
Document Number	0000004403
Map Reference	MB 10 PG 12
Instrument Date	Dec 23, 2021
Instrument	2022-004403
Transaction Type	Transfer
Record Updated	Jun 07, 2023
Title Company	LAWYERS TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$11,000.00
Amount Accuracy	Rounded by County
Additional	Notice of Default Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	PO BOX 7427, MENLO PARK, CA 94026-7427

Mortgage

Document Number	0000004404
Date	Jan 19, 2022
Instrument	2022-004404

Lender

Name	SILICON VALLEY BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 01, 2052

Interest

Rate Type	Adjustable Rate
Rate	2.12%
Type Change Date	Feb 01, 2029
Change Frequency	6 Months
Min Rate At Change	2.12%
Max Rate At Change	3.12%
Index	Other
Max Rate	7.12%

Tax Assessment & Valuation

Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified July 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

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$17,823,567 (+50.27%) Land $10,716,078 Building $7,107,489
2025	$132,470.00 (+16.81%)	$11,861,282 (+16.29%) Land $10,505,959 Building $1,355,323
2023	$113,406.00 (+4.28%)	$10,200,000 Land $10,098,000 Building $102,000	$7,508,070
2022	$108,751.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, San Mateo County (06081C), updated September 10, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060816114001, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No
Nearby Flood Policies	2 in force
Nearby Flood Claims	2 (1998)
Claims Outside the SFHA	2 of 2
Most Recent Claim	Feb 1998, river or lake flooding, Severe Winter Storms And Flooding
Claims By Storm	Severe Winter Storms And Flooding, Feb 1998 · 2 claims

Wildfire

Wildfire Risk	Low above 4% of the US · above 3% of California
Wildfire Likelihood	About 1 in 8,333 per year
Exposure	Direct burnable vegetation at the parcel

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 117 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
Race Telecommunications	Fiber	10,000 / 10,000
AT&T	Fiber	5,000 / 5,000
Xfinity	Cable	2,000 / 250
Verizon	Fixed Wireless	300 / 20

May also be available at this address: AT&T, T-Mobile USA, Etheric Communications, LLC.. Availability varies by address; speeds are provider-advertised maximums, not measured.