28 Flood Cir, Atherton, CA 94027 Property Records

San Mateo County property record for 28 Flood Cir, Atherton, CA 94027

Property Summary

Property Type	Single Family Home
Details	4 bd · 4 ba · 3,310 sqft · built 1939
Lot Size	0.805 acres (35,051 sqft)
Owner	2 Company Names on Record
Last Sale	$702,000 (Apr 2009)
Tax Bill	$52,439 (2025)
Deeds & Mortgages	Jan 2022 Transfer Jan 2022 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`061-211-010`

Property Details

APN / Parcel Number

Primary APN	`061-211-010`

Interior

Bedrooms	4 Beds
Full Baths	4 Baths
Total Rooms	9 Rooms
Stories	1 Story
Building Area	3,310 sqft Living Area
1st Floor Area	2,900 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1939
Effective Year Built	Effective 1993
Lot Area	35,051 sqft (0.805 acres)
View / Lot	Corner
Garage Area	530 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	28 FLOOD CIR
City	ATHERTON
State	CA
Zip	94027-2151
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1001A
Legal Description	LOT 18 BLOCK 2 MAP NO 1 LINDENWOOD RSM 21/37 38 39 TOWN OF ATHERTON
Legal Subdivision	MAP NO 1 LINDENWOOD
Legal Block	2
Legal Lot Number	18
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	3
Census Block	3017
Census Tract	611500

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	28 FLOOD CIR, ATHERTON, CA 94027-2151
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jan 19, 2022	Quit Claim Deed, Transfer Quitclaim
Jan 19, 2022	Intrafamily Transfer, Transfer
Jan 19, 2022	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 20, 2009 · Amount on Record
Deed Sale	Apr 20, 2009 · Amount on Record
Prior Sale	Oct 31, 2003 · Amount on Record
Deed Document Number	200946101
Prior Transfer Date	Jul 27, 1995
Prior Transfer Doc	0000132180
Record Updated	Oct 29, 2026

January 2022: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Jan 19, 2022
Property Address	28 FLOOD CIR, ATHERTON, CA 94027-2151
Document Number	0000004820
Map Reference	MB 21 PG 3,28&29
Instrument Date	Nov 17, 2021
Instrument	2022-004820
Transaction Type	Transfer
Record Updated	Feb 14, 2022

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Common
Address	149 BONIFACIO PL, MONTEREY, CA 93940-2728

January 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Jan 19, 2022
Property Address	28 FLOOD CIR, ATHERTON, CA 94027-2151
Document Number	0000004819
Map Reference	MB 21 PG 3,28&29
Instrument Date	Nov 17, 2021
Instrument	2022-004819
Transaction Type	Transfer
Record Updated	Feb 14, 2022

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name

January 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Jan 19, 2022
Property Address	28 FLOOD CIR, ATHERTON, CA 94027-2151
Document Number	0000004818
Map Reference	MB 21 PG 3,28&39
Instrument Date	Nov 17, 2021
Instrument	2022-004818
Transaction Type	Transfer
Record Updated	Feb 14, 2022

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Common
Address	149 BONIFACIO PL, MONTEREY, CA 93940-2728

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		$4,618,275 (+2%) Land $2,328,358 Building $2,289,917
2025	$52,439.00 (+4.88%)	$4,527,725 (+4.04%) Land $2,282,705 Building $2,245,020
2023	$50,001.00 (+2.95%)	$4,351,914 Land $2,194,067 Building $2,157,847	$5,520,870
2022	$48,568.00

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	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

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

Wildfire Risk	Low lower than 94% of the US · lower than 96% of California
Wildfire Likelihood	0.01% 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 167 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 Fiber · DSL	1,000 / 1,000
Verizon Fixed Wireless	300 / 20

May also be available: Sonic Telecom, T-Mobile.

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Flood Cir

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