43 Flood Cir, Atherton, CA 94027 Property Records

San Mateo County property record for 43 Flood Cir, Atherton, CA 94027

Property Summary

Property Type	Single Family Home
Details	5 bd · 4.5 ba · 5,722 sqft · built 1939
Lot Size	0.867 acres (37,743 sqft)
Owner	2 Company Names on Record
Last Sale	$5,500,000 (Jul 2000)
Tax Bill	$103,352 (2025)
Deeds & Mortgages	Dec 2023 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`061-201-060`

Property Details

APN / Parcel Number

Primary APN	`061-201-060`

Interior

Bedrooms	5 Beds
Full Baths	4.5 Baths
Half Baths	1 Half Bath
Total Rooms	13 Rooms
Stories	2 Stories
Building Area	5,722 sqft Living Area
Gross Area	5,982 sqft
1st Floor Area	1,790 sqft
2nd Floor Area	1,370 sqft
Basement Area	260 sqft
Family Room	Family Room
Study	Study

Exterior

Year Built	Built 1939
Effective Year Built	Effective 1939
Lot Area	37,743 sqft (0.867 acres)
Garage Area	420 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	43 FLOOD CIR
City	ATHERTON
State	CA
Zip	94027-2108
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1001A
Legal Description	LOT 6 BLOCK 4 MAP NO 1 LINDENWOOD RSM 21/37 38 39 TOWN OF ATHERTON
Legal Subdivision	MAP NO 1 LINDENWOOD
Legal Block	4
Legal Lot Number	6
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	3
Census Block	3018
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	43 FLOOD CIR, ATHERTON, CA 94027-2108
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 19, 2000 · Amount on Record
Deed Sale	Jul 19, 2000 · Amount on Record
Deed Document Number	200087969
Last Transfer Date	Aug 13, 2014
Transfer Doc	0000080323
Record Updated	Oct 29, 2026

December 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	43 FLOOD CIR, ATHERTON, CA 94027-2108
Transaction Type	Mortgage
Record Updated	Feb 5, 2024
Title Company	SERVICELINK

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	43 FLOOD CIR, ATHERTON, CA 94027-2108

Mortgage

Document Number	0000067516
Date	Dec 21, 2023
Instrument	2023-067516

Lender

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

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jan 1, 2054

Interest

Rate Type	Adjustable Rate
Rate	6.45%
Type Change Date	Jan 1, 2034
Change Frequency	6 Months
Min Rate At Change	3%
Max Rate At Change	11.4%
Margin	3
Max Rate	11.4%

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		$9,500,000 (+3.26%) Land $3,780,000 Building $5,720,000
2025	$103,352.00 (+12.11%) Homeowner's exemption	$9,200,000 (-8.07%) Land $3,661,000 Building $5,539,000
2023	$92,189.00 (+6.09%) Homeowner's exemption	$10,007,592 Land $3,982,935 Building $6,024,657	$8,287,020
2022	$86,897.00

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

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