48 Oak Dr, Atherton, CA 94027 Property Records

San Mateo County property record for 48 Oak Dr, Atherton, CA 94027

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,650 sqft · built 1953
Lot Size	0.339 acres (14,775 sqft)
Owner	2 Company Names on File
Last Sale	$3,000,000 (Sep 2022)
Tax Bill	$36,785 (2025)
Deeds & Mortgages	Sep 2022 Transfer Sep 2022 Sale + 1 more
Flood Zone	Zone X (minimal risk)
APN	`060-191-020`

Property Details

APN / Parcel Number

Primary APN	`060-191-020`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,650 sqft Living Area
1st Floor Area	1,600 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1953
Effective Year Built	Effective 1953
Architectural Style	Ranch
Exterior Material	Wood Siding
Construction Type	Frame
Roof Material	Wood Shingle
Lot Area	14,775 sqft (0.339 acres)
Lot Dimensions	150 ft deep x 98 ft wide

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	48 OAK DR
City	ATHERTON
State	CA
Zip	94027-1854
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1001A
Legal Description	LOT 14 BLOCK G FAIR OAKS ACRES
Legal Subdivision	FAIR OAKS ACRES
Legal Block	G
Legal Lot Number	14
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	2
Census Block	2004
Census Tract	611500

Owner

Source: San Mateo County records, as of August 6, 2026

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

Owner of Record	2 Company Names on File
Mailing Address	PO BOX 7616, BERKELEY, CA 94707-0616
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Sep 2, 2022	Quit Claim Deed, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY
Sep 2, 2022	Grant Deed, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY
Jun 13, 2022	Affidavit of Death of Joint Tenant, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 2, 2022 · Amount on File
Deed Sale	Sep 2, 2022 · Amount on File
Deed Document Number	202264906
Prior Transfer Date	Aug 24, 2022
Prior Transfer Doc	0000064905
Record Updated	Sep 20, 2026

September 2022: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Sep 2, 2022
Property Address	48 OAK DR, ATHERTON, CA 94027-1854
Document Number	0000064905
Map Reference	MB 6 PG 12
Instrument Date	Aug 24, 2022
Instrument	2022-064905
Transaction Type	Transfer
Record Updated	Sep 28, 2022
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

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
Address	PO BOX 7616, BERKELEY, CA 94707-0616

September 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Sep 2, 2022
Property Address	48 OAK DR, ATHERTON, CA 94027-1854
Document Number	0000064906
Map Reference	MB 6 PG 12
Instrument Date	Aug 23, 2022
Instrument	2022-064906
Transaction Type	Transfer
Record Updated	Sep 28, 2022
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount on Record
Tax	$3,300.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Common
Address	PO BOX 7616, BERKELEY, CA 94707-0616

June 2022: Affidavit of Death of Joint Tenant, Transfer

Document Type	Affidavit of Death of Joint Tenant
Jurisdiction	SAN MATEO CA
Recording Date	Jun 13, 2022
Property Address	48 OAK DR, ATHERTON, CA 94027-1854
Document Number	0000047741
Map Reference	MB 6 PG 12
Instrument Date	May 31, 2022
Instrument	2022-047741
Transaction Type	Transfer
Record Updated	Jun 30, 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
Address	48 OAK DR, ATHERTON, CA 94027-1854

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		$3,077,503 (-1.4%) Land $3,077,503
2025	$36,785.00 (+4.82%)	$3,121,200 (+4.04%) Land $3,017,160 Building $104,040
2023	$35,093.00 (+652.75%)	$3,000,000 Land $2,900,000 Building $100,000	$2,592,810
2022	$4,662.00

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	4 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 97% of the US · lower than 97.8% of California
Wildfire Likelihood	Under 0.01% 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 313 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, DSL 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, GeoLinks, Sonic Telecom, T-Mobile.

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