400 Selby Ln, Atherton, CA 94027 Property Records

San Mateo County property record for 400 Selby Ln, Atherton, CA 94027

Property Summary

Property Type	Single Family Home
Details	4 bd · 4.5 ba · 3,460 sqft · built 1955
Lot Size	1.16 acres (50,599 sqft)
Owner	2 Trust Names on File
Last Sale	$8,900,000 (Jun 2019)
Tax Bill	$113,509 (2025)
Deeds & Mortgages	Jul 2022 Mortgage Aug 2019 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`070-040-220`

Property Details

APN / Parcel Number

Primary APN	`070-040-220`

Interior

Bedrooms	4 Beds
Full Baths	4.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	1 Story
Building Area	3,460 sqft Living Area
1st Floor Area	3,310 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1955
Effective Year Built	Effective 1955
Architectural Style	Ranch
Exterior Material	Wood Siding
Construction Type	Frame
Roof Material	Wood Shingle
Lot Area	50,599 sqft
Lot Dimensions	317 ft deep x 159 ft wide
View / Lot	Corner
Garage Area	870 sqft
Parking Spaces	3 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	400 SELBY LN
City	ATHERTON
State	CA
Zip	94027-4043
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1001A
Legal Description	LOT 1 STERN OAKS RSM 36/19 TOWN OF ATHERTON
Legal Subdivision	STERN OAKS
Legal Lot Number	1
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	3
Census Block	3003
Census Tract	611400

Owner

400 Selby Ln is owner-occupied and held in a trust since June 2019.

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

Owner of Record	2 Trust Names on File
Mailing Address	400 SELBY LN, ATHERTON, CA 94027-4043
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
Jul 5, 2022	Deed of Trust, Mortgage · Conventional Mortgage BANK OF AMERICA NA
Aug 27, 2019	Deed of Trust, Mortgage BANK OF AMERICA
Jun 26, 2019	Grant Deed, Transfer CHICAGO TITLE COMPANY, CHICAGO TITLE CO

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 26, 2019 · Amount on File
Deed Sale	Jun 26, 2019 · Amount on File
Prior Sale	May 22, 2015 · Amount on File
Deed Document Number	201949270
Prior Transfer Date	Apr 13, 1994
Prior Transfer Doc	0000072060
Record Updated	Oct 29, 2026

July 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	400 SELBY LN, ATHERTON, CA 94027-4043
Transaction Type	Mortgage
Record Updated	Aug 5, 2022
Title Company	FIRST AMERICAN TITLE INS CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	400 SELBY LN, ATHERTON, CA 94027-4043

Mortgage

Document Number	0000052317
Date	Jul 5, 2022
Instrument	2022-052317

Lender

Name	BANK OF AMERICA NA
Type	Bank
Address	HOUSTON, TX 77046

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	180 Months
Due	Jul 1, 2037

August 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	400 SELBY LN, ATHERTON, CA 94027-4043
Document Number	0000071222
Instrument Date	Aug 27, 2019
Transaction Type	Mortgage
Record Updated	Sep 23, 2019
Title Company	CHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	400 SELBY LN ATHERTON CA 940274043, ATHERTON, CA 94027-4043

Mortgage

Document Number	0000071222
Date	Sep 3, 2019
Instrument	71222

Lender

Name	BANK OF AMERICA
Type	Bank
Address	20 GREENWAY PLZ # 900TX6, HOUSTON, TX 77046

Agreement

Amount	Amount on Record
Term	180 Months
Due	Sep 2, 2034

June 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Jun 26, 2019
Property Address	400 SELBY LN, ATHERTON, CA 94027-4043
Document Number	0000049270
Instrument Date	Jun 21, 2019
Instrument	49270
Transaction Type	Transfer
Record Updated	Jul 25, 2019
Title Company	CHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transaction

Amount	Amount on Record
Tax	$9,790.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	400 SELBY LN ATHERTON CA 940274043, ATHERTON, CA 94027-4043

Tax Assessment & Valuation

The 2025 property tax bill for 400 Selby Ln was $113,509 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	Las Lomitas 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		$10,456,901 (+2%) Land $10,012,896 Building $444,005
2025	$113,509.00 Homeowner's exemption	$10,251,866 Land $9,816,565 Building $435,301
2023	$110,414.00 (+6.16%) Homeowner's exemption	$9,853,778 Land $9,435,377 Building $418,401
2022	$104,007.00

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

Flood

FEMA maps place 400 Selby Ln in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2022.

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 File median of 10 policies
Nearby Flood Policies	10 in force
Nearby Flood Claims	1 (2022)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides

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 400 Selby Ln is low, with 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 95% of the US · lower than 97% of California
Wildfire Likelihood	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 160 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: Etheric Networks, Verizon.

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