22 Walnut Ave, Atherton, CA 94027 Property Records

San Mateo County property record for 22 Walnut Ave, Atherton, CA 94027

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 2,520 sqft · built 1962
Lot Size	0.226 acres (9,825 sqft)
Owner	Individual Name on Record
Last Sale	$1,299,000 (Aug 2004)
Tax Bill	$22,712 (2025)
Deeds & Mortgages	Aug 2022 Line of Credit Aug 2019 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`060-332-130`

Property Details

APN / Parcel Number

Primary APN	`060-332-130`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	2,520 sqft Living Area
1st Floor Area	2,010 sqft
Family Room	Family Room
Study	Study

Exterior

Year Built	Built 1962
Effective Year Built	Effective 1962
Lot Area	9,825 sqft (0.226 acres)
Lot Dimensions	131 ft deep x 75 ft wide
Garage Type	Attached
Garage Area	510 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	22 WALNUT AVE
City	ATHERTON
State	CA
Zip	94027-3821
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1001A
Legal Description	LOT 6 BLOCK B MENLO PARK VILLA LOTS RSM 1/93 TOWN OF ATHERTON
Legal Subdivision	MENLO PARK VILLA
Legal Block	B
Legal Lot Number	6
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	2
Census Block	2024
Census Tract	611500

Owner

Source: San Mateo County records, as of October 19, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on Record
Mailing Address	22 WALNUT AVE, ATHERTON, CA 94027-3821
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Aug 3, 2022	Deed of Trust, Mortgage · Line of Credit FREMONT BANK
Aug 28, 2019	Deed of Trust, Mortgage · Conventional Mortgage TY INV LLC
May 24, 2017	Deed of Trust, Mortgage · Conventional Mortgage KE LIU

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 11, 2004 · Amount on Record
Deed Sale	Aug 11, 2004 · Amount on Record
Prior Sale	Feb 5, 1998 · Amount on Record
Deed Document Number	2004164772
Prior Transfer Date	Aug 15, 2002
Prior Transfer Doc	0000228245
Record Updated	Oct 29, 2026

August 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	22 WALNUT AVE, ATHERTON, CA 94027-3821
Transaction Type	Mortgage
Record Updated	Aug 29, 2022
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	22 WALNUT AVE, ATHERTON, CA 94027-3821

Mortgage

Document Number	0000058577
Date	Aug 3, 2022
Instrument	2022-058577

Lender

Name	FREMONT BANK
Type	Bank
Address	LIVERMORE, CA 94551

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	359 Months
Due	Jul 20, 2052

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

August 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	22 WALNUT AVE, ATHERTON, CA 94027-3821
Document Number	0000075154
Instrument Date	Aug 28, 2019
Transaction Type	Mortgage
Record Updated	Oct 2, 2019
Title Company	FIDELITY NATIONAL TITLE-OR, FIDELITY NAT'L TITLE-OR

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	22 WALNUT AVE ATHERTON CA 940273821, ATHERTON, CA 94027-3821

Mortgage

Document Number	0000075154
Date	Sep 13, 2019
Instrument	75154

Lender

Name	TY INV LLC
Address	ARCADIA, CA 91007

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded

May 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	22 WALNUT AVE, ATHERTON, CA 94027-3821
Document Number	0000046433
Instrument Date	May 24, 2017
Transaction Type	Mortgage
Record Updated	Aug 3, 2017

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	22 WALNUT AVE ATHERTON CA 940273821, ATHERTON, CA 94027-3821

Mortgage

Document Number	0000046433
Date	May 31, 2017
Instrument	46433

Lender

Name	KE LIU
Address	260 KING ST # 1119, SAN FRANCISCO, CA 94107-6428

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded

Interest

Rate Type	Fixed Rate

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	Assessed Market Value
2026		$1,846,892 (+2%) Land $1,777,237 Building $69,655
2025	$22,712.00 (+2.85%) Homeowner's exemption	$1,810,680 (+4.04%) Land $1,742,390 Building $68,290
2024	$22,082.00 (+2.18%)
2023	$21,611.00 (+2.5%) Homeowner's exemption	$1,740,371 Land $1,674,732 Building $65,639	$1,621,170
2022	$21,084.00

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
Nearby Flood Policies	4 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 99.1% of the US · lower than 99.2% 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 283 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Race Communications Fiber	10,000 / 10,000
Xfinity Cable	2,000 / 250
AT&T Fixed Wireless · DSL · Fiber in parts of the area	100 / 20

May also be available: Etheric Networks, GeoLinks, T-Mobile.

Nearby Properties on Walnut Ave

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures