101 Atherton Ave, Atherton, CA 94027 Property Records

San Mateo County property record for 101 Atherton Ave, Atherton, CA 94027

Property Summary

Property Type	Single Family Home
Details	4 bd · 4.5 ba · 3,560 sqft · built 1910
Lot Size	1.85 acres (80,596 sqft)
Owner	Trust Name on File
Last Sale	$272,000 (Jun 2015)
Tax Bill	$8,853 (2025)
Deeds & Mortgages	Sep 2022 Transfer Nov 2017 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`070-211-510`

Property Details

APN / Parcel Number

Primary APN	`070-211-510`
Alternative APN	`070-211-530`

Interior

Bedrooms	4 Beds
Full Baths	4.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	3,560 sqft Living Area
Gross Area	4,560 sqft
1st Floor Area	2,590 sqft
2nd Floor Area	970 sqft
Basement Area	1,000 sqft
Family Room	Family Room
Study	Study

Exterior

Year Built	Built 1910
Effective Year Built	Effective 1910
Lot Area	80,596 sqft
Garage Area	810 sqft
Parking Spaces	3 Parking Spaces

Location & Zoning

Old Parcel Number	070211510
Street Address	101 ATHERTON AVE
City	ATHERTON
State	CA
Zip	94027-4020
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	PTN OF LOT 5 VALP ARAISO PARK RSM 19/10
Legal Subdivision	VALP ARAISO PARK
Legal Lot Number	5
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	1
Census Block	1000
Census Tract	611400

Owner

101 Atherton Ave is held in a trust since September 2022.

Source: San Mateo County records, as of July 15, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	Trust Name on File
Mailing Address	101 ATHERTON AVE, ATHERTON, CA 94027-4020
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Sep 8, 2022	Intrafamily Transfer, Transfer
Nov 20, 2017	Quit Claim Deed, Transfer ATTORNEY ONLY
Nov 20, 2017	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 25, 2015 · Amount on File
Deed Sale	Jun 25, 2015 · Amount on File
Deed Document Number	201566187
Last Transfer Date	Sep 1, 2022
Transfer Doc	0000065913
Record Updated	Sep 20, 2026

September 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Sep 8, 2022
Property Address	101 ATHERTON AVE, ATHERTON, CA 94027-4020
Document Number	0000065913
Instrument Date	Sep 1, 2022
Instrument	2022-065913
Transaction Type	Transfer
Record Updated	Sep 8, 2023

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
Address	1960 THE ALAMEDA STE 200, 200, SAN JOSE, CA 95126-1451
Mail Care Of	RICHARD B GULLEN

November 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Nov 20, 2017
Property Address	101 ATHERTON AVE, ATHERTON, CA 94027-4020
Document Number	0000103200
Instrument Date	Nov 1, 2017
Instrument	103200
Transaction Type	Transfer
Record Updated	Jan 3, 2018
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	Personal Trust
Address	101 ATHERTON AVE ATHERTON CA 940274020, ATHERTON, CA 94027-4020

November 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Nov 20, 2017
Property Address	101 ATHERTON AVE, ATHERTON, CA 94027-4020
Document Number	0000103199
Instrument Date	Oct 24, 2017
Instrument	103199
Transaction Type	Transfer
Record Updated	Jan 3, 2018
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	Personal Trust
Address	101 ATHERTON AVE ATHERTON CA 940274020, ATHERTON, CA 94027-4020

Tax Assessment & Valuation

The 2025 property tax bill for 101 Atherton Ave was $8,853.

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	Assessed Market Value
2026		$544,369 (+2%) Land $195,780 Building $348,589
2025	$8,853.00	$533,696 Land $191,942 Building $341,754
2023	$8,380.00	$512,974 Land $184,490 Building $328,484	$4,546,080

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

Flood

FEMA maps place 101 Atherton Ave in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1998.

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

Wildfire risk around 101 Atherton Ave is low, with a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 96% of the US · lower than 97.4% of California
Wildfire Likelihood	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 117 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Race Communications Fiber	10,000 / 10,000
AT&T Fiber · Fixed Wireless in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20

May also be available: Etheric Networks, T-Mobile.

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