481 Walsh Rd, Atherton, CA 94027 Property Records

San Mateo County property record for 481 Walsh Rd, Atherton, CA 94027

Property Summary

Property Type	Single Family Home
Details	6 bd · 6.5 ba · 8,050 sqft · built 1989
Lot Size	1.1 acres (48,037 sqft)
Owner	2 Company Names on Record
Last Sale	$7,300,000 (May 2022)
Tax Bill	$86,497 (2025)
Deeds & Mortgages	May 2022 Sale May 2022 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`074-371-230`

Property Details

APN / Parcel Number

Primary APN	`074-371-230`

Interior

Bedrooms	6 Beds
Full Baths	6.5 Baths
Half Baths	1 Half Bath
Total Rooms	15 Rooms
Stories	2 Stories
Building Area	8,050 sqft Living Area
Gross Area	9,010 sqft
1st Floor Area	4,410 sqft
2nd Floor Area	3,640 sqft
Basement Area	960 sqft
Family Room	Family Room
Study	Study
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1989
Effective Year Built	Effective 1989
Architectural Style	Spanish
Exterior Material	Stucco
Roof Material	Tile
Lot Area	48,037 sqft
Lot Dimensions	6,784 ft deep x 6,784 ft wide
Garage Type	Basement
Garage Area	960 sqft
Parking Spaces	4 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	481 WALSH RD
City	ATHERTON
State	CA
Zip	94027-6438
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1001A
Legal Description	PARCEL 2 PARCEL MAP VOL 2/35
Legal Subdivision	ATHERTON WEST
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	58 SHORERIDGE, NEWPORT COAST, CA 92657-1813
Owner Type	Company
Vesting	Limited Liability Company

Deeds, Mortgages & Sale History

Date	Document
May 17, 2022	Grant Deed, Transfer CHICAGO TITLE COMPANY
May 6, 2022	Grant Deed, Transfer · Conventional Mortgage FIRST REPUBLIC BANK

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 6, 2022 · Amount on Record
Deed Sale	May 6, 2022 · Amount on Record
Deed Document Number	202237992
Prior Transfer Date	Jan 30, 1995
Prior Transfer Doc	0000010395
Record Updated	Oct 29, 2026

May 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	May 17, 2022
Property Address	481 WALSH RD, ATHERTON, CA 94027-6438
Document Number	0000040646
Map Reference	MB 2 PG 35
Instrument Date	May 6, 2022
Instrument	2022-040646
Transaction Type	Transfer
Record Updated	Jun 7, 2022
Title Company	CHICAGO TITLE COMPANY

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	58 SHORERIDGE, NEWPORT BEACH, CA 92657-1813

May 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	May 6, 2022
Property Address	481 WALSH RD, ATHERTON, CA 94027-6438
Document Number	0000037992
Map Reference	MB 2 PG 35
Instrument Date	May 3, 2022
Instrument	2022-037992
Transaction Type	Transfer
Record Updated	May 26, 2022
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$8,030.00
Amount Accuracy	Calculated from Transfer Tax
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	58 SHORERIDGE, NEWPORT COAST, CA 92657-1813

Mortgage

Document Number	0000037993
Date	May 6, 2022
Instrument	2022-037993

Lender

Name	FIRST REPUBLIC BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jun 1, 2052

Interest

Rate Type	Adjustable Rate
Rate	3.35%
Type Change Date	Jun 1, 2029
Change Frequency	Monthly
Min Rate At Change	2.95%
Max Rate At Change	10.9%
Index	Other
Max Rate	10.9%

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
2026		$7,901,754 (+2%) Land $6,819,322 Building $1,082,432
2025	$86,497.00 (+1.24%)	$7,746,818 (+4.04%) Land $6,685,610 Building $1,061,208
2024	$85,436.00 (+1.61%)
2023	$84,086.00 (+100.27%)	$7,446,000 Land $6,426,000 Building $1,020,000
2022	$41,986.00

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
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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