240 Park Ln, Atherton, CA 94027 Property Records

San Mateo County property record for 240 Park Ln, Atherton, CA 94027

Property Summary

Property Type	Single Family Home
Details	5 bd · 5.5 ba · 5,380 sqft · built 1995
Lot Size	0.996 acres (43,396 sqft)
Owner	2 Company Names on Record
Tax Bill	$41,118 (2025)
Deeds & Mortgages	Jul 2018 Line of Credit Mar 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`070-320-190`

Property Details

APN / Parcel Number

Primary APN	`070-320-190`

Interior

Bedrooms	5 Beds
Full Baths	5.5 Baths
Half Baths	1 Half Bath
Total Rooms	13 Rooms
Stories	1 Story
Building Area	5,380 sqft Living Area
Gross Area	6,070 sqft
1st Floor Area	4,110 sqft
2nd Floor Area	1,270 sqft
Basement Area	690 sqft
Family Room	Family Room
Study	Study
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1995
Effective Year Built	Effective 1995
Architectural Style	Ranch
Exterior Material	Wood
Roof Material	Wood Shingle
Lot Area	43,396 sqft (0.996 acres)
Lot Dimensions	6,784 ft deep x 6,784 ft wide
Garage Type	Basement
Garage Area	690 sqft
Parking Spaces	3 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	240 PARK LN
City	ATHERTON
State	CA
Zip	94027-5411
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1001A
Legal Description	1.01 AC MOL HAVING 20.01 FT FRONT ON PARK LANE BEING PTN OF LOTS 14 & 15 QUILLOTA TRACT RSM 3/60
Legal Subdivision	QUILLOTA TRACT
Legal Lot Number	14,15
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 are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	2 Company Names on Record
Mailing Address	240 PARK LN, ATHERTON, CA 94027-5411
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jul 12, 2018	Deed of Trust, Mortgage · Line of Credit FIRST REPUBLIC BANK
Mar 25, 2020	Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Jun 1, 2015
Transfer Doc	0000063434
Record Updated	Sep 20, 2026

July 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	240 PARK LN, ATHERTON, CA 94027-5411
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	CHICAGO TITLE INS CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000054322
Date	Jul 12, 2018
Instrument	2018-054322

Lender

Name	FIRST REPUBLIC BANK
Type	Bank
Address	SAN FRANCISCO, CA 94111

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	299 Months
Due	Jun 26, 2043

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

March 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	240 PARK LN, ATHERTON, CA 94027-5411
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000027634
Date	Mar 25, 2020
Instrument	2020-027634

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2050

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
2026		$3,567,250 (+2%) Land $2,235,376 Building $1,331,874
2025	$41,118.00 (+4.92%) Homeowner's exemption	$3,497,305 (+4.04%) Land $2,191,546 Building $1,305,759
2023	$39,188.00 (+2.45%) Homeowner's exemption	$3,361,502 Land $2,106,447 Building $1,255,055
2022	$38,249.00

Assessed value is set for property tax purposes and is not a market price estimate.

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 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 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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