99 James Ave, Atherton, CA 94027 Property Records

San Mateo County property record for 99 James Ave, Atherton, CA 94027

Property Summary

Property Type	Single Family Home
Details	4 bd · 5.5 ba · 8,790 sqft · built 2001
Lot Size	0.919 acres (40,046 sqft)
Owner	2 Company Names on Record
Last Sale	$11,600,000 (Jul 2025)
Tax Bill	$43,234 (2025)
Deeds & Mortgages	Jan 2017 Mortgage Jan 2017 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`061-042-110`

Property Details

APN / Parcel Number

Primary APN	`061-042-110`

Interior

Bedrooms	4 Beds
Full Baths	5.5 Baths
Half Baths	1 Half Bath
Total Rooms	16 Rooms
Stories	3 Stories
Building Area	8,790 sqft Living Area
1st Floor Area	3,690 sqft
2nd Floor Area	2,620 sqft
Basement Area	2,480 sqft
Finished Basement	2,480 sqft
Family Room	Family Room
Study	Study
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2001
Effective Year Built	Effective 2001
Architectural Style	Ranch
Exterior Material	Stucco
Construction Type	Frame
Roof Material	Wood Shingle
Lot Area	40,046 sqft (0.919 acres)
Lot Dimensions	205 ft deep x 195 ft wide
View / Lot	Corner
Garage Area	1,680 sqft
Parking Spaces	6 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	99 JAMES AVE
City	ATHERTON
State	CA
Zip	94027-2009
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1001A
Legal Description	LOT 4 BLOCK 16 LINDENWOOD MAP NO 4 RSM 29/20 21 TOWN OF ATHERTON
Legal Subdivision	LINDENWOOD MAP NO 4
Legal Block	16
Legal Lot Number	4
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	3
Census Block	3005
Census Tract	611500

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	PO BOX 4130, SANTA CLARA, CA 95056-4130
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jan 19, 2017	Deed of Trust, Mortgage · Conventional Mortgage BOSTON PRIVATE BANK & TRUST COMPANY
Jan 19, 2017	Deed of Trust, Mortgage · Line of Credit BOSTON PRIVATE BANK & TRUST COMPANY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 25, 2025 · Amount on Record
Deed Sale	Jul 25, 2025 · Amount on Record
Deed Document Number	202538120
Record Updated	Sep 20, 2026

January 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	99 JAMES AVE, ATHERTON, CA 94027-2009
Transaction Type	Mortgage
Record Updated	Feb 7, 2021
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000005416
Date	Jan 19, 2017
Instrument	2017-005416

Lender

Name	BOSTON PRIVATE BANK & TRUST COMPANY
Type	Bank
Address	BOSTON, MA 02109

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	241 Months
Due	Feb 1, 2037

January 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	99 JAMES AVE, ATHERTON, CA 94027-2009
Transaction Type	Mortgage
Record Updated	Feb 7, 2021
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000005417
Date	Jan 19, 2017
Instrument	2017-005417

Lender

Name	BOSTON PRIVATE BANK & TRUST COMPANY
Type	Bank
Address	BOSTON, MA 02109

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	300 Months
Due	Jan 12, 2042

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

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		$9,719,103 (+163.31%) Land $6,061,299 Building $3,657,804
2025	$43,234.00 (+2.84%) Homeowner's exemption	$3,691,155 (+4.04%) Land $992,050 Building $2,699,105
2024	$42,040.00 (+2.02%)
2023	$41,208.00 (+2.45%) Homeowner's exemption	$3,547,827 Land $953,529 Building $2,594,298
2022	$40,222.00

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

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 97% of the US · lower than 97.8% of California
Wildfire Likelihood	Under 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 299 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 · DSL · Fixed Wireless in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Etheric Networks, Sonic Telecom.

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