479 Walsh Rd, Atherton, CA 94027 Property Records

San Mateo County property record for 479 Walsh Rd, Atherton, CA 94027

Property Summary

Property Type	Single Family Home
Details	4 bd · 4 ba · 5,350 sqft · built 2002
Lot Size	1.09 acres (47,737 sqft)
Owner	2 Company Names on Record
Last Sale	$1,550,000 (Jul 1997)
Tax Bill	$39,827 (2025)
Deeds & Mortgages	Apr 2020 Mortgage Aug 2019 Transfer
Flood Zone	Zone X (minimal risk)
APN	`074-371-070`

Property Details

APN / Parcel Number

Primary APN	`074-371-070`

Interior

Bedrooms	4 Beds
Full Baths	4 Baths
Total Rooms	14 Rooms
Stories	2 Stories
Building Area	5,350 sqft Living Area
Gross Area	6,500 sqft
1st Floor Area	3,335 sqft
2nd Floor Area	2,015 sqft
Basement Area	1,000 sqft
Family Room	Family Room
Study	Study
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2002
Effective Year Built	Effective 2002
Architectural Style	Ranch
Exterior Material	Wood
Roof Material	Wood Shingle
Lot Area	47,737 sqft
Lot Dimensions	222 ft deep x 206 ft wide
Garage Type	Attached
Garage Area	1,150 sqft
Parking Spaces	4 Parking Spaces

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	479 WALSH RD
City	ATHERTON
State	CA
Zip	94027-6438
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1001A
Legal Description	LOT 7 ATHERTON WEST RSM 55/36 TOWN OF ATHERTON
Legal Subdivision	ATHERTON WEST
Legal Lot Number	7
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	3
Census Block	3009
Census Tract	611400

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	479 WALSH RD, ATHERTON, CA 94027-6438
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Apr 27, 2020	Deed of Trust, Mortgage · Conventional Mortgage MORGAN STANLEY PRIVATE BANK NA
Aug 13, 2019	Quit Claim Deed, Transfer NOT AVAILABLE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 16, 1997 · Amount on Record
Deed Sale	Jul 16, 1997 · Amount on Record
Deed Document Number	199785492
Last Transfer Date	Jun 8, 2019
Transfer Doc	0000064527
Record Updated	Sep 20, 2026

April 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	479 WALSH RD, ATHERTON, CA 94027-6438
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	MORTGAGE CONNECT

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000037466
Date	Apr 27, 2020
Instrument	2020-037466

Lender

Name	MORGAN STANLEY PRIVATE BANK NA
Type	Bank
Address	CINCINNATI, OH 45245

Agreement

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

Interest

Rate Type	Adjustable Rate
Rate	3.05%
Type Change Date	May 1, 2030
Change Frequency	Annually
Min Rate At Change	2.5%
Max Rate At Change	8.05%
Index	3-Month LIBOR
Max Rate	8.05%

August 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Aug 13, 2019
Property Address	479 WALSH RD, ATHERTON, CA 94027-6438
Document Number	0000064527
Instrument Date	Jun 8, 2019
Instrument	64527
Transaction Type	Transfer
Record Updated	Sep 2, 2019
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	479 WALSH RD ATHERTON CA 940276438, ATHERTON, CA 94027-6438

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	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	Assessed Market Value
2026		$3,555,502 (+2%) Land $1,262,239 Building $2,293,263
2025	$39,827.00 (+3%) Homeowner's exemption	$3,485,789 (+4.04%) Land $1,237,490 Building $2,248,299
2023	$38,667.00 (+5.67%) Homeowner's exemption	$3,350,434 Land $1,189,438 Building $2,160,996	$3,724,110
2022	$36,592.00

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

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 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

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 63% of the US · lower than 78% of California
Wildfire Likelihood	0.04% 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 168 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Cruzio Fixed Wireless	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fiber in parts of the area	100 / 20

May also be available: Etheric Networks, Race Communications.

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