256 Park Ln, Atherton, CA 94027 Property Records

San Mateo County property record for 256 Park Ln, Atherton, CA 94027

Property Summary

Property Type	Single Family Home
Details	4 bd · 4 ba · 3,440 sqft · built 1954
Lot Size	1 acres (43,616 sqft)
Owner	2 Company Names on Record
Tax Bill	$11,459 (2025)
Deeds & Mortgages	May 2019 Transfer May 2018 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`070-320-090`

Property Details

APN / Parcel Number

Primary APN	`070-320-090`

Interior

Bedrooms	4 Beds
Full Baths	4 Baths
Total Rooms	10 Rooms
Stories	1 Story
Building Area	3,440 sqft Living Area
1st Floor Area	3,200 sqft
Family Room	Family Room
Study	Study
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1954
Effective Year Built	Effective 1954
Architectural Style	Contemporary
Exterior Material	Wood Siding
Construction Type	Frame
Roof Material	Wood Shingle
Lot Area	43,616 sqft
Garage Area	590 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	256 PARK LN
City	ATHERTON
State	CA
Zip	94027-5411
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1001A
Legal Description	ON NWLY LINE OF CAMINO AL LAGO COM 20.04 FT NELY FRM LOT 16 PTN OF LOT 15 QUILLOTA TRACT RSM 3/60 TOWN OF ATHERTON
Legal Subdivision	QUILLOTA TRACT
Legal Tract	R
Legal Lot Number	16,15
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	2
Census Block	2000
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	2 Company Names on Record
Mailing Address	755 PAGE MILL RD, A200, PALO ALTO, CA 94304-1005
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
May 7, 2019	Affidavit of Death, Transfer ATTORNEY ONLY
May 29, 2018	Quit Claim Deed, Transfer NOT AVAILABLE
May 29, 2018	Affidavit of Death, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	May 7, 2018
Transfer Doc	0000041350
Record Updated	Sep 20, 2026

May 2019: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	SAN MATEO CA
Recording Date	May 7, 2019
Property Address	256 PARK LN, ATHERTON, CA 94027-5411
Document Number	0000033806
Instrument Date	May 7, 2019
Instrument	33806
Transaction Type	Transfer
Record Updated	Mar 26, 2020
Title Company	ATTORNEY ONLY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	256 PARK LN ATHERTON CA 940275411, ATHERTON, CA 94027-5411

May 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	May 29, 2018
Property Address	256 PARK LN, ATHERTON, CA 94027-5411
Document Number	0000041350
Instrument Date	May 7, 2018
Instrument	41350
Transaction Type	Transfer
Record Updated	Mar 26, 2020
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	755 PAGE MILL RD #A200 PALO ALTO CA 943041005, A200, PALO ALTO, CA 94304-1005

May 2018: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	SAN MATEO CA
Recording Date	May 29, 2018
Property Address	256 PARK LN, ATHERTON, CA 94027-5411
Document Number	0000041349
Instrument Date	May 7, 2018
Instrument	41349
Transaction Type	Transfer
Record Updated	Mar 26, 2020
Title Company	ATTORNEY ONLY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust

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		$787,951 (+2%) Land $188,501 Building $599,450
2025	$11,459.00 (+5.44%)	$772,502 (+4.04%) Land $184,805 Building $587,697
2023	$10,868.00 (+2.59%)	$742,507 Land $177,630 Building $564,877	$6,716,610
2022	$10,594.00

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

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 13 policies
Nearby Flood Policies	13 in force
Nearby Flood Claims	2 (1995–1998)
Claims Outside the SFHA	1 of 2
Most Recent Claim	Feb 1998 · Severe Winter Storms And Flooding

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 94% of the US · lower than 96% 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 126 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: Cruzio, Etheric Networks, T-Mobile.

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