55 Flood Cir, Atherton, CA 94027 Property Records

San Mateo County property record for 55 Flood Cir, Atherton, CA 94027

Property Summary

Property Type	Single Family Home
Details	5 bd · 4.5 ba · 4,350 sqft · built 1955
Lot Size	0.914 acres (39,832 sqft)
Owner	2 Trust Names on File
Tax Bill	$8,289 (2025)
Deeds & Mortgages	Aug 2026 Transfer Aug 2026 Transfer + 3 more
Flood Zone	Zone X (minimal risk)
APN	`061-201-120`

Property Details

APN / Parcel Number

Primary APN	`061-201-120`

Interior

Bedrooms	5 Beds
Full Baths	4.5 Baths
Half Baths	1 Half Bath
Total Rooms	12 Rooms
Stories	2 Stories
Building Area	4,350 sqft Living Area
1st Floor Area	2,710 sqft
2nd Floor Area	1,640 sqft
Family Room	Family Room

Exterior

Year Built	Built 1955
Effective Year Built	Effective 1955
Lot Area	39,832 sqft (0.914 acres)
Lot Depth	6,784 ft Depth
Garage Area	730 sqft
Parking Spaces	3 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	55 FLOOD CIR
City	ATHERTON
State	CA
Zip	94027-2108
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10000
Legal Description	BEING LOT 7 & PTN OF LOT 10 BLK 4 LINDENWOOD NO 1 RSM 21/37-39
Legal Subdivision	LINDENWOOD NO 1
Legal Block	4
Legal Lot Number	7,10
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	3
Census Block	3018
Census Tract	611500

Owner

55 Flood Cir is held in a trust since August 2026.

Source: San Mateo County records, as of October 1, 2026

Owner of Record	2 Trust Names on File
Mailing Address	167 S PARK ST, SAN FRANCISCO, CA 94107-1808
Owner Type	Company
Vesting	Trust

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Aug 10, 2026	Correction Deed WFG NATIONAL TITLE INSURANCE, WFG NATIONAL TITLE INSURANCE C
Aug 10, 2026	Affidavit of Death of Trustee, Transfer
Dec 7, 2023	Intrafamily Transfer, Transfer · Reverse Mortgage LONGBRIDGE FINANCIAL LLC
Nov 15, 2022	Intrafamily Transfer, Transfer
Sep 22, 2017	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Aug 3, 2026
Transfer Doc	0000045202
Record Updated	Oct 29, 2026

August 2026: Correction Deed

Document Type	Correction Deed
Jurisdiction	SAN MATEO CA
Recording Date	Aug 10, 2026
Property Address	55 FLOOD CIR, ATHERTON, CA 94027-2108
Document Number	0000045203
Instrument Date	Aug 6, 2026
Instrument	202645203
Record Updated	Sep 9, 2026
Title Company	WFG NATIONAL TITLE INSURANCE, WFG NATIONAL TITLE INSURANCE C

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Trust
Address	167 S PARK ST, SAN FRANCISCO, CA 94107-1808

August 2026: Affidavit of Death of Trustee, Transfer

Document Type	Affidavit of Death of Trustee
Jurisdiction	SAN MATEO CA
Recording Date	Aug 10, 2026
Property Address	55 FLOOD CIR, ATHERTON, CA 94027-2108
Document Number	0000045202
Instrument Date	Aug 3, 2026
Instrument	202645202
Transaction Type	Transfer
Record Updated	Sep 9, 2026

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	167 S PARK ST, SAN FRANCISCO, CA 94107-1808

December 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Dec 7, 2023
Property Address	55 FLOOD CIR, ATHERTON, CA 94027-2108
Document Number	0000064887
Map Reference	MB 21 PG 37-39
Instrument Date	Nov 1, 2023
Instrument	2023-064887
Transaction Type	Transfer
Record Updated	Jan 5, 2024
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

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
Address	167 S PARK ST, SAN FRANCISCO, CA 94107-1808

Mortgage

Document Number	0000064888
Date	Dec 7, 2023
Instrument	2023-064888

Lender

Name	LONGBRIDGE FINANCIAL LLC
Type	Reverse Mortgage Lender

Agreement

Type	Reverse Mortgage
Amount	Amount on Record

November 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Nov 15, 2022
Property Address	55 FLOOD CIR, ATHERTON, CA 94027-2108
Document Number	0000079029
Map Reference	MB 21 PG 37-39
Instrument Date	Nov 3, 2022
Instrument	2022-079029
Transaction Type	Transfer
Record Updated	Jun 7, 2023

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
Address	167 S PARK ST, SAN FRANCISCO, CA 94107-1808

September 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Sep 22, 2017
Property Address	55 FLOOD CIR, ATHERTON, CA 94027-2108
Document Number	0000083132
Instrument Date	Aug 28, 2017
Instrument	83132
Transaction Type	Transfer
Record Updated	Oct 18, 2017
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	350 2ND ST #2 LOS ALTOS CA 940223602, 2, LOS ALTOS, CA 94022-3602

Tax Assessment & Valuation

The 2025 property tax bill for 55 Flood Cir was $8,289.

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		$498,865 (+2%) Land $124,754 Building $374,111
2025	$8,289.00 Homeowner's exemption	$489,084 Land $122,308 Building $366,776
2023	$7,915.00 (+3.68%)	$470,094 Land $117,559 Building $352,535	$7,010,190
2022	$7,634.00

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 55 Flood Cir in Zone X, an area of minimal flood risk.

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

Wildfire risk around 55 Flood Cir is low, with a 0.01% annual chance of 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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