23 Heather Dr, Atherton, CA 94027 Property Records

San Mateo County property record for 23 Heather Dr, Atherton, CA 94027

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 5,500 sqft · built 2005
Lot Size	0.927 acres (40,384 sqft)
Owner	2 Trust Names on File
Last Sale	$3,500,000 (Apr 2001)
Tax Bill	$99,569 (2025)
Deeds & Mortgages	Feb 2021 Transfer Feb 2021 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`061-133-090`

Property Details

APN / Parcel Number

Primary APN	`061-133-090`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	1 Story
Building Area	5,500 sqft Living Area
1st Floor Area	5,500 sqft
Family Room	Family Room
Study	Study

Exterior

Year Built	Built 2005
Effective Year Built	Effective 2005
Lot Area	40,384 sqft (0.927 acres)
Lot Dimensions	218 ft deep x 187 ft wide
Garage Area	810 sqft
Parking Spaces	3 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	23 HEATHER DR
City	ATHERTON
State	CA
Zip	94027-2005
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1001A
Legal Description	LOT 2 BLOCK 14 LINDENWOOD MAP NO 4 RSM 29/20 21 TOWN OF ATHERTON
Legal Subdivision	LINDENWOOD MAP NO 4
Legal Block	14
Legal Lot Number	2
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	3
Census Block	3002
Census Tract	611500

Owner

23 Heather Dr is owner-occupied and held in a trust since January 2021.

Source: San Mateo County records, as of October 12, 2026

Owner of Record	2 Trust Names on File
Mailing Address	23 HEATHER DR, ATHERTON, CA 94027-2005
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

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

Deeds, Mortgages & Sale History

Date	Document
Feb 9, 2021	Intrafamily Transfer, Transfer
Feb 9, 2021	Intrafamily Transfer, Transfer
Jan 13, 2021	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 13, 2001 · Amount on File
Deed Sale	Apr 13, 2001 · Amount on File
Prior Sale	Apr 9, 1999 · Amount on File
Deed Document Number	200150373
Last Transfer Date	Jan 29, 2021
Transfer Doc	0000021418
Record Updated	Oct 29, 2026

February 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Feb 9, 2021
Property Address	23 HEATHER DR, ATHERTON, CA 94027-2005
Document Number	0000021418
Map Reference	MB 29 PG 20&21
Instrument Date	Jan 29, 2021
Instrument	2021-021418
Transaction Type	Transfer
Record Updated	Jun 7, 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
Relationship	Irrevocable Trust
Address	PO BOX 442, MENLO PARK, CA 94026-0442

February 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Feb 9, 2021
Property Address	23 HEATHER DR, ATHERTON, CA 94027-2005
Document Number	0000021417
Map Reference	MB 29 PG 20&21
Instrument Date	Jan 14, 2021
Instrument	2021-021417
Transaction Type	Transfer
Record Updated	Jun 7, 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
Relationship	Irrevocable Trust
Address	PO BOX 442, MENLO PARK, CA 94026-0442

January 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Jan 13, 2021
Property Address	23 HEATHER DR, ATHERTON, CA 94027-2005
Document Number	0000005118
Instrument Date	Jan 1, 2020
Instrument	5118
Transaction Type	Transfer
Record Updated	Feb 11, 2021
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
Address	PO BOX 442 MENLO PARK CA 940260442, MENLO PARK, CA 94026-0442

Tax Assessment & Valuation

The 2025 property tax bill for 23 Heather Dr was $99,569 with a homeowner's exemption.

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		$9,175,651 (+2%) Land $5,379,461 Building $3,796,190
2025	$99,569.00 Homeowner's exemption	$8,995,737 Land $5,273,982 Building $3,721,755
2023	$95,009.00 (+2.39%) Homeowner's exemption	$8,646,424 Land $5,069,188 Building $3,577,236	$7,396,740
2022	$92,789.00

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

Flood

FEMA maps place 23 Heather Dr in Zone X, an area of minimal flood risk.

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

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 23 Heather Dr is low, with less than 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 98% of the US · lower than 98.4% 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 299 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 · DSL · Fixed Wireless in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Etheric Networks, Sonic Telecom.

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