7 Betty Ln, Atherton, CA 94027 Property Records

San Mateo County property record for 7 Betty Ln, Atherton, CA 94027

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 3,270 sqft · built 1966
Lot Size	1.23 acres (53,937 sqft)
Owner	Company Name on Record
Last Sale	$9,500,000 (Jun 2025)
Tax Bill	$7,231 (2025)
Deeds & Mortgages	Apr 2021 Transfer Apr 2021 Transfer
Flood Zone	Zone X (minimal risk)
APN	`070-022-730`

Property Details

APN / Parcel Number

Primary APN	`070-022-730`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	1 Story
Building Area	3,270 sqft Living Area
1st Floor Area	3,270 sqft
Family Room	Family Room

Exterior

Year Built	Built 1966
Effective Year Built	Effective 1966
Lot Area	53,937 sqft
Lot Dimensions	310 ft deep x 168 ft wide
Garage Area	780 sqft
Parking Spaces	3 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	7 BETTY LN
City	ATHERTON
State	CA
Zip	94027-5401
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1001A
Legal Description	1.19 AC MOL HAV 28.28 FT FRONT ON BETTY LN BEING NWLY PTN OF LOT 21 POLHEMUS TRACT RSM 2/35
Legal Subdivision	POLHEMUS TRACT
Legal Lot Number	21
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	3
Census Block	3000
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	1073 FREMONT ST, MENLO PARK, CA 94025-4604
Owner Type	Company
Vesting	Limited Liability Partnership

Deeds, Mortgages & Sale History

Date	Document
Apr 9, 2021	Intrafamily Transfer, Transfer
Apr 9, 2021	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 5, 2025 · Amount on Record
Deed Sale	Jun 5, 2025 · Amount on Record
Prior Sale	Apr 9, 2021 · Amount on Record
Deed Document Number	202528338
Prior Transfer Date	Jan 26, 2016
Prior Transfer Doc	0000018851
Record Updated	Oct 29, 2026

April 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Apr 9, 2021
Property Address	7 BETTY LN, ATHERTON, CA 94027-5401
Document Number	0000057485
Map Reference	MB 6 PG 61
Instrument Date	Feb 10, 2021
Instrument	2021-057485
Transaction Type	Transfer
Record Updated	May 12, 2021

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	Tenants in Common
Address	7 BETTY LN, ATHERTON, CA 94027-5401

April 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Apr 9, 2021
Property Address	7 BETTY LN, ATHERTON, CA 94027-5401
Document Number	0000057490
Map Reference	MB 6 PG 61
Instrument Date	Feb 10, 2021
Instrument	2021-057490
Transaction Type	Transfer
Record Updated	May 12, 2021

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	Tenants in Common
Address	7 BETTY LN, ATHERTON, CA 94027-5401

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	Las Lomitas 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		$9,628,800 (+1,731.21%) Land $9,628,800
2025	$7,231.00 (+3.36%)	$525,815 (+4.04%) Land $124,026 Building $401,789
2023	$6,996.00 (+2.87%)	$505,399 Land $119,211 Building $386,188	$2,231,190
2022	$6,801.00

Assessed value is set for property tax purposes, not a market price estimate; it is 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 minimal risk
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 10 policies
Nearby Flood Policies	10 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	Low lower than 95% of the US · lower than 97% of California
Wildfire Likelihood	0.01% annual chance
Exposure	Direct burnable vegetation

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 160 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

May also be available: Etheric Networks, Verizon.

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