356 Austin Ave, Atherton, CA 94027 Property Records

San Mateo County property record for 356 Austin Ave, Atherton, CA 94027

Property Summary

Property Type	Single Family Home
Details	4 bd · 5.5 ba · 5,040 sqft · built 1976
Lot Size	1 acres (43,563 sqft)
Owner	2 Individual Names on Record
Last Sale	$2,950,000 (Dec 2004)
Tax Bill	$32,158 (2025)
Deeds & Mortgages	May 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`070-080-190`

Property Details

APN / Parcel Number

Primary APN	`070-080-190`

Interior

Bedrooms	4 Beds
Full Baths	5.5 Baths
Half Baths	1 Half Bath
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	5,040 sqft Living Area
1st Floor Area	3,000 sqft
2nd Floor Area	1,830 sqft
Family Room	Family Room
Study	Study
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1976
Effective Year Built	Effective 1976
Architectural Style	French
Exterior Material	Stucco
Lot Area	43,563 sqft
Lot Dimensions	212 ft deep x 205 ft wide
Garage Area	850 sqft
Parking Spaces	3 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	356 AUSTIN AVE
City	ATHERTON
State	CA
Zip	94027-4008
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1001A
Legal Description	PARCEL B 1.0 AC MOL PARCEL MAP VOL 9/52
Legal Subdivision	SELBY TRACT
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	4
Census Block	4015
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 Individual Names on Record
Mailing Address	356 AUSTIN AVE, ATHERTON, CA 94027-4008
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 30, 2004 · Amount on Record
Deed Sale	Dec 30, 2004 · Amount on Record
Prior Sale	Mar 1, 1994
Deed Document Number	2004255215
Prior Transfer Date	Dec 22, 2004
Prior Transfer Doc	0000255215
Record Updated	Oct 29, 2026

May 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	356 AUSTIN AVE, ATHERTON, CA 94027-4008
Document Number	0000049036
Instrument Date	May 22, 2020
Transaction Type	Mortgage
Record Updated	Jun 23, 2020
Title Company	LAWYERS TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	356 AUSTIN AVE ATHERTON CA 940274008, ATHERTON, CA 94027-4008

Mortgage

Document Number	0000049036
Date	May 29, 2020
Instrument	49036

Lender

Name	SAN MATEO CU
Type	Credit Union
Address	REDWOOD CITY, CA 94063

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	180 Months
Due	May 28, 2035

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	Redwood 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		$2,859,740 (+2%) Land $1,369,619 Building $1,490,121
2025	$32,158.00 (+3.01%) Homeowner's exemption	$2,803,668 (+4.04%) Land $1,342,764 Building $1,460,904
2023	$31,217.00 (+4.83%) Homeowner's exemption	$2,694,800 Land $1,290,624 Building $1,404,176	$5,536,890
2022	$29,778.00

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	7 in force
Nearby Flood Claims	8 (1979–2019)
Claims Outside the SFHA	2 of 8
Most Recent Claim	Jan 2019 · other causes

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 96% of the US · lower than 97.4% of California
Wildfire Likelihood	0.02% 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 117 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 · Fixed Wireless in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20

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

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