52 Euclid Ave, #52A, Atherton, CA 94027 Property Records

San Mateo County property record for 52 Euclid Ave, #52A, Atherton, CA 94027

Property Summary

Property Type	Single Family Home
Details	4 bd · 4.5 ba · 4,460 sqft · built 1999
Lot Size	1.01 acres (44,309 sqft)
Owner	2 Company Names on File
Tax Bill	$30,377 (2025)
Deeds & Mortgages	Aug 2017 Transfer
Flood Zone	Zone X (minimal risk)
APN	`070-021-030`

Property Details

APN / Parcel Number

Primary APN	`070-021-030`

Interior

Bedrooms	4 Beds
Full Baths	4.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	4,460 sqft Living Area
1st Floor Area	2,270 sqft
2nd Floor Area	2,190 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1999
Effective Year Built	Effective 1999
Architectural Style	Ranch
Exterior Material	Stucco
Roof Material	Wood Shingle
Lot Area	44,309 sqft
Lot Dimensions	198 ft deep x 216 ft wide
Garage Area	830 sqft
Parking Spaces	3 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	52 EUCLID AVE, 52A
City	ATHERTON
State	CA
Zip	94027-5403
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1001A
Legal Description	LOT 11 POLHEMUS ACRES RSM 17/4 TOWN OF ATHERTON
Legal Subdivision	POLHEMUS ACRES
Legal Lot Number	11
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	3
Census Block	3001
Census Tract	611400

Owner

Source: San Mateo County records · APN 070-021-030

Assessment roll updated July 15, 2026 · Last verified July 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 File
Mailing Address	52 EUCLID AVE, ATHERTON, CA 94027-5403
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	May 27, 1994
Deed Sale	May 27, 1994
Deed Document Number	199493617
Last Transfer Date	Aug 11, 2017
Transfer Doc	0000074515
Record Updated	Sep 20, 2026

August 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Aug 24, 2017
Property Address	52 EUCLID AVE, ATHERTON, CA 94027-5403
Document Number	0000074515
Instrument Date	Aug 11, 2017
Instrument	74515
Transaction Type	Transfer
Record Updated	Jan 03, 2018
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	Living Trust
Address	52 EUCLID AVE ATHERTON CA 940275403, ATHERTON, CA 94027-5403

Tax Assessment & Valuation

Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified July 2026

Property Jurisdictions

Type	Name
State	California
Municipality	Atherton Town
County	San Mateo County
Elementary School District	Las Lomitas Elementary School District (KG - 08)
Secondary School District	Sequoia Union High School District (09 - 12)

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$2,702,515 (+2%) Land $823,497 Building $1,879,018
2025	$30,377.00 (+2.91%) Homeowner's exemption	$2,649,526 (+4.04%) Land $807,350 Building $1,842,176
2023	$29,517.00 (+22.76%) Homeowner's exemption	$2,546,644 Land $776,000 Building $1,770,644	$6,720,480
2022	$24,045.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of September 10, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 10 policies
Nearby Flood Policies	10 in force
Nearby Flood Claims	1 (2022)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides

Wildfire

Wildfire Risk	Low lower than 98% of the US · lower than 98.4% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	Direct burnable vegetation at the parcel

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
Etheric Communications, LLC. Fixed Wireless	250 / 100
T-Mobile USA Fixed Wireless	100 / 20

May also be available: Race Telecommunications.

Based on FCC filings for 601 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	CALIFORNIA WATER SERVICE - BEAR GULCH private · serves 60,382 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.