28 James Ave, Atherton, CA 94027 Property Records

San Mateo County property record for 28 James Ave, Atherton, CA 94027

Property Summary

Property Type	Single Family Home
Details	5 bd · 3.5 ba · 3,660 sqft · built 1949
Lot Size	0.921 acres (40,126 sqft)
Owner	2 Trust Names on File
Last Sale	$1,195,000 (May 1997)
Tax Bill	$31,371 (2025)
Deeds & Mortgages	Sep 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`061-154-010`

Property Details

APN / Parcel Number

Primary APN	`061-154-010`

Interior

Bedrooms	5 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	3,660 sqft Living Area
1st Floor Area	1,850 sqft
2nd Floor Area	760 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1949
Effective Year Built	Effective 1949
Architectural Style	Ranch
Exterior Material	Stucco
Construction Type	Wood
Roof Material	Wood Shingle
Lot Area	40,126 sqft (0.921 acres)
Lot Dimensions	182 ft deep x 220 ft wide
View / Lot	Corner
Garage Area	510 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	28 JAMES AVE
City	ATHERTON
State	CA
Zip	94027-2010
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1001A
Legal Description	LOT 11 BLOCK 8 LINDENWOOD MAP NO 3 RSM 24/72
Legal Subdivision	LINDENWOOD MAP NO 3
Legal Block	8
Legal Lot Number	11
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	3
Census Block	3009
Census Tract	611500

Owner

28 James Ave is owner-occupied and held in a trust since February 2016.

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 Trust Names on File
Mailing Address	28 JAMES AVE, ATHERTON, CA 94027-2010
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 16, 1997 · Amount on File
Deed Sale	May 16, 1997 · Amount on File
Deed Document Number	199757897
Last Transfer Date	Feb 18, 2016
Transfer Doc	0000018902
Record Updated	Sep 20, 2026

September 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	28 JAMES AVE, ATHERTON, CA 94027-2010
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	SERVICELINK

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	28 JAMES AVE, ATHERTON, CA 94027-2010

Mortgage

Document Number	0000093855
Date	Sep 11, 2020
Instrument	2020-093855

Lender

Name	UBS BANK USA
Type	Bank
Address	SALT LAKE CITY, UT 84111

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Sep 1, 2050

Interest

Rate Type	Adjustable Rate
Rate	3.37%
Type Change Date	Sep 1, 2030
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	8.37%
Index	1-Year LIBOR
Max Rate	8.37%

Tax Assessment & Valuation

The 2025 property tax bill for 28 James Ave was $31,371 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	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		$2,656,237 (+2%) Land $992,607 Building $1,663,630
2025	$31,371.00 Homeowner's exemption	$2,604,157 Land $973,145 Building $1,631,012
2023	$29,763.00 (+2.47%) Homeowner's exemption	$2,492,255 Land $935,357 Building $1,556,898	$6,842,880
2022	$29,045.00

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

Flood

FEMA maps place 28 James Ave in Zone X, an area of minimal flood risk.

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

Wildfire risk around 28 James Ave is low, with less than 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 97% of the US · lower than 97.8% 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 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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