98 Stevenson Ln, Atherton, CA 94027 Property Records

San Mateo County property record for 98 Stevenson Ln, Atherton, CA 94027

Property Summary

Property Type	Single Family Home
Details	5 bd · 6.5 ba · 11,575 sqft · built 2011
Lot Size	1.47 acres (64,417 sqft)
Owner	Company Name on File
Last Sale	$30,500,000 (Jun 2021)
Tax Bill	$363,312 (2025)
Deeds & Mortgages	Jun 2021 Sale Feb 2021 Sale
Flood Zone	Zone X (minimal risk)
APN	`070-211-400`

Property Details

APN / Parcel Number

Primary APN	`070-211-400`

Interior

Bedrooms	5 Beds
Full Baths	6.5 Baths
Half Baths	1 Half Bath
Total Rooms	22 Rooms
Stories	2 Stories
Building Area	11,575 sqft Living Area
1st Floor Area	4,562 sqft
2nd Floor Area	3,601 sqft
Basement Area	3,412 sqft
Finished Basement	3,412 sqft
Family Room	Family Room
Study	Study

Exterior

Year Built	Built 2011
Effective Year Built	Effective 2011
Lot Area	64,417 sqft
Lot Dimensions	344 ft deep x 180 ft wide
Garage Area	789 sqft
Parking Spaces	3 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	98 STEVENSON LN
City	ATHERTON
State	CA
Zip	94027-4070
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1001A
Legal Description	PARCEL C 1.47 AC MOL PARCEL MAP VOL 11/5
Legal Subdivision	VALPARAISO PARK
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	1
Census Block	1000
Census Tract	611400

Owner

Source: San Mateo County assessment roll, 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 File
Mailing Address	98 STEVENSON LN, ATHERTON, CA 94027-4070
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jun 9, 2021	Grant Deed, Transfer FIRST AMERICAN TITLE COMPANY
Feb 9, 2021	Grant Deed, Transfer

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Jun 9, 2021 · Amount on Record
Deed Sale	Jun 9, 2021 · Amount on Record
Prior Sale	Jun 15, 2009 · Amount on Record
Deed Document Number	202188862
Prior Transfer Date	Apr 29, 1997
Prior Transfer Doc	0000146206
Record Updated	Sep 20, 2026

June 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Jun 9, 2021
Property Address	98 STEVENSON LN, ATHERTON, CA 94027-4070
Document Number	0000088862
Map Reference	VOL 11 PG 5
Instrument Date	Jun 2, 2021
Instrument	2021-088862
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount Recorded
Tax	$33,550.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1301 SHOREWAY RD STE 160, 160, BELMONT, CA 94002-4158

February 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Feb 9, 2021
Property Address	98 STEVENSON LN, ATHERTON, CA 94027-4070
Document Number	0000021950
Map Reference	VOL 11 PG 5
Instrument Date	Dec 15, 2020
Instrument	2021-021950
Transaction Type	Transfer
Record Updated	Jun 7, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	505 SANSOME ST # 2410, 2410, SAN FRANCISCO, CA 94111-3106
Investor	Possibly a Property Investor

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		$33,674,462 (+2%) Land $16,837,231 Building $16,837,231
2025	$363,312.00 (+4.74%)	$33,014,180 (+4.04%) Land $16,507,090 Building $16,507,090
2023	$346,859.00 (+2.4%)	$31,732,200 Land $15,866,100 Building $15,866,100
2022	$338,720.00

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
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	None beyond ember reach

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 117 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Race Telecommunications Fiber	10,000 / 10,000
AT&T Fiber · Fixed Wireless in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20

May also be available: Etheric Communications, LLC., T-Mobile USA.

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