44 Winchester Dr, Atherton, CA 94027 Property Records

San Mateo County property record for 44 Winchester Dr, Atherton, CA 94027

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,740 sqft · built 1923
Lot Size	0.443 acres (19,303 sqft)
Owner	Company Name on Record
Last Sale	$1,011,000 (Feb 2021)
Tax Bill	$6,824 (2025)
Deeds & Mortgages	Aug 2021 Transfer Feb 2021 Sale + 1 more
Flood Zone	Zone X (minimal risk)
APN	`070-221-080`

Property Details

APN / Parcel Number

Primary APN	`070-221-080`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	1 Story
Building Area	2,740 sqft Living Area
1st Floor Area	2,670 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1923
Effective Year Built	Effective 1923
Exterior Material	Stucco
Roof Material	Wood Shingle
Lot Area	19,303 sqft (0.443 acres)
Garage Area	690 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	44 WINCHESTER DR
City	ATHERTON
State	CA
Zip	94027-4041
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1001A
Legal Description	LOT 22 WINCHESTER PROPERTY RSM 11/41 42 TOWN OF ATHERTON
Legal Subdivision	WINCHESTER PROPERTY
Legal Lot Number	22
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	1
Census Block	1000
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	18795 KUHLMAN RD, BEND, OR 97703-9111
Owner Type	Company
Vesting	Limited Liability Company

Deeds, Mortgages & Sale History

Date	Document
Aug 11, 2021	Intrafamily Transfer, Transfer
Feb 16, 2021	Grant Deed, Transfer
Feb 17, 2021	Gift Deed, Transfer

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Feb 16, 2021 · Amount on Record
Deed Sale	Feb 16, 2021 · Amount on Record
Deed Document Number	202125964
Last Transfer Date	Apr 23, 2021
Transfer Doc	0000117850
Record Updated	Oct 29, 2026

August 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Aug 11, 2021
Property Address	44 WINCHESTER DR, ATHERTON, CA 94027-4041
Document Number	0000117850
Map Reference	MB 11 PG 41&42
Instrument Date	Apr 23, 2021
Instrument	2021-117850
Transaction Type	Transfer
Record Updated	Aug 5, 2022

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	18795 KUHLMAN RD, BEND, OR 97703-9111

February 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Feb 16, 2021
Property Address	44 WINCHESTER DR, ATHERTON, CA 94027-4041
Document Number	0000025964
Map Reference	MB 11 PG 41&42
Instrument Date	Feb 8, 2021
Instrument	2021-025964
Transaction Type	Transfer
Record Updated	Jun 7, 2023

Transaction

Amount	Amount Recorded
Tax	$1,112.10
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	44 WINCHESTER DR, ATHERTON, CA 94027-4041

February 2021: Gift Deed, Transfer

Document Type	Gift Deed
Jurisdiction	SAN MATEO CA
Recording Date	Feb 17, 2021
Property Address	44 WINCHESTER DR, ATHERTON, CA 94027-4041
Document Number	0000026226
Map Reference	MB 11 PG 41&42
Instrument Date	Feb 8, 2021
Instrument	2021-026226
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
Address	44 WINCHESTER DR, ATHERTON, CA 94027-4041

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	Assessed Market Value
2026		$354,740 (+2%) Land $128,269 Building $226,471
2025	$6,824.00 (+2.91%)	$347,785 (+4.04%) Land $125,754 Building $222,031
2024	$6,631.00 (+2.93%)
2023	$6,442.00 (+2.71%)	$334,282 Land $120,872 Building $213,410	$3,715,830
2022	$6,272.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are 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
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 96% of the US · lower than 97.4% 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 283 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Race Communications Fiber	10,000 / 10,000
Xfinity Cable	2,000 / 250
AT&T Fixed Wireless · DSL · Fiber in parts of the area	100 / 20

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

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