80 Coghlan Ln, Atherton, CA 94027 Property Records

San Mateo County property record for 80 Coghlan Ln, Atherton, CA 94027

Property Summary

Property Type	Single Family Home
Details	5 bd · 6.5 ba · 8,930 sqft · built 1980
Lot Size	1.65 acres (72,123 sqft)
Owner	Company Name on Record
Last Sale	$14,000,000 (Jul 2025)
Tax Bill	$159,049 (2025)
Deeds & Mortgages	Mar 2026 Mortgage Apr 2023 Transfer + 2 more
Flood Zone	Zone X (minimal risk)
APN	`070-040-600`

Property Details

APN / Parcel Number

Primary APN	`070-040-600`

Interior

Bedrooms	5 Beds
Full Baths	6.5 Baths
Half Baths	1 Half Bath
Total Rooms	15 Rooms
Stories	2 Stories
Building Area	8,930 sqft Living Area
Gross Area	9,760 sqft
1st Floor Area	7,780 sqft
2nd Floor Area	1,150 sqft
Basement Area	830 sqft
Family Room	Family Room

Exterior

Year Built	Built 1980
Effective Year Built	Effective 1980
Lot Area	72,123 sqft
Parking Spaces	3 Parking Spaces

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	80 COGHLAN LN
City	ATHERTON
State	CA
Zip	94027-4063
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10000
Legal Description	PARCEL 2 1.584 AC MOL PARCEL MAP VOL 36/35
Legal Subdivision	POLHEMUS TRACT
Legal Lot Number	6,7
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	3
Census Block	3003
Census Tract	611400

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	Company Name on Record
Mailing Address	718 OAK GROVE AVE, MENLO PARK, CA 94025-4320
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Date	Document
Mar 10, 2026	Deed of Trust, Mortgage · Commercial Mortgage PACIFIC PENINSULA LOAN FUND LP
Apr 28, 2023	Intrafamily Transfer, Transfer CHICAGO TITLE COMPANY
Apr 11, 2023	Grant Deed, Transfer CHICAGO TITLE COMPANY
Aug 13, 2021	Grant Deed, Transfer

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 29, 2025 · Amount on Record
Deed Sale	Jul 29, 2025 · Amount on Record
Prior Sale	Apr 11, 2023 · Amount on Record
Deed Document Number	202538567
Prior Transfer Date	Apr 27, 2023
Prior Transfer Doc	0000019470
Record Updated	Sep 20, 2026

March 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	80 COGHLAN LN, ATHERTON, CA 94027-4063
Transaction Type	Mortgage
Record Updated	Apr 15, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	718 OAK GROVE AVE, MENLO PARK, CA 94025-4320

Mortgage

Document Number	0000012015
Date	Mar 10, 2026
Instrument	2026-012015

Lender

Name	PACIFIC PENINSULA LOAN FUND LP
Type	Non-Lending Institution
Address	MENLO PARK, CA 94025

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

April 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Apr 28, 2023
Property Address	80 COGHLAN LN, ATHERTON, CA 94027-4063
Document Number	0000019470
Map Reference	MB 36 PG 35
Instrument Date	Apr 27, 2023
Instrument	2023-019470
Transaction Type	Transfer
Record Updated	May 22, 2023
Title Company	CHICAGO 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	199 FREMONT ST, SAN FRANCISCO, CA 94105-2245

April 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Apr 11, 2023
Property Address	80 COGHLAN LN, ATHERTON, CA 94027-4063
Document Number	0000016136
Map Reference	MB 36 PG 35
Instrument Date	Apr 6, 2023
Instrument	2023-016136
Transaction Type	Transfer
Record Updated	May 4, 2023
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount Recorded
Tax	$15,235.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	893 CRYSTAL SPRINGS RD, HILLSBOROUGH, CA 94010-7228

August 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Aug 13, 2021
Property Address	80 COGHLAN LN, ATHERTON, CA 94027-4063
Document Number	0000118723
Map Reference	VOL 2 PG 35
Instrument Date	Dec 31, 2020
Instrument	2021-118723
Transaction Type	Transfer
Record Updated	Jun 7, 2023

Transaction

Amount	Amount Recorded
Tax	$6,600.00
Amount Accuracy	Rounded by County

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	3 LAGOON DR STE 400, 400, REDWOOD CITY, CA 94065-5157

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	Las Lomitas 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		$13,940,000 (-3.26%) Land $13,940,000
2025	$159,049.00 (+1.2%)	$14,409,540 (+317.15%) Land $14,201,460 Building $208,080
2024	$157,163.00 (+297.22%)
2023	$39,566.00 (+2.85%) Homeowner's exemption	$3,454,298 Land $315,316 Building $3,138,982	$6,482,520
2022	$38,468.00

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

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
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

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 95% of the US · lower than 97% of California
Wildfire Likelihood	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 160 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 in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250

May also be available: Etheric Networks, Verizon.

Nearby Properties on Coghlan Ln

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures