90 Macbain Ave, Atherton, CA 94027 Property Records

San Mateo County property record for 90 Macbain Ave, Atherton, CA 94027

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 3,706 sqft · built 1989
Lot Size	0.327 acres (14,244 sqft)
Owner	2 Company Names on Record
Last Sale	$6,300,000 (Apr 2024)
Tax Bill	$73,079 (2025)
Deeds & Mortgages	Apr 2024 Sale & Mortgage Oct 2019 Sale + 1 more
Flood Zone	Zone X (minimal risk)
APN	`070-354-080`

Property Details

APN / Parcel Number

Primary APN	`070-354-080`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	3,706 sqft Living Area
1st Floor Area	1,240 sqft
2nd Floor Area	1,030 sqft
Basement Area	1,266 sqft
Finished Basement	1,266 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1989
Effective Year Built	Effective 1989
Roof Material	Other
Lot Area	14,244 sqft (0.327 acres)
Lot Dimensions	286 ft deep x 50 ft wide
Garage Area	440 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	90 MACBAIN AVE
City	ATHERTON
State	CA
Zip	94027-4119
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1001A
Legal Description	SWLY 50 FT OF LOT 26 THOMPSONS SUB VALPARAISO PARK RSM 3/76 TOWN OF ATHERTON
Legal Subdivision	PARAISO PARK
Legal Lot Number	26
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	1
Census Block	1010
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	2 Company Names on Record
Mailing Address	90 MACBAIN AVE, ATHERTON, CA 94027-4119
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Apr 19, 2024	Grant Deed, Transfer · Conventional Mortgage PNC BANK NA
Oct 23, 2019	Grant Deed, Transfer LAWYERS TITLE
Feb 10, 2017	Grant Deed, Transfer · ARM CITIBANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 19, 2024 · Amount on Record
Deed Sale	Apr 19, 2024 · Amount on Record
Prior Sale	Oct 23, 2019 · Amount on Record
Deed Document Number	202420164
Prior Transfer Date	Nov 22, 1993
Prior Transfer Doc	0000210244
Record Updated	Oct 29, 2026

April 2024: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Apr 19, 2024
Property Address	90 MACBAIN AVE, ATHERTON, CA 94027-4119
Document Number	0000020164
Map Reference	MB 3 PG 76
Instrument Date	Apr 11, 2024
Instrument	2024-020164
Transaction Type	Transfer
Record Updated	May 10, 2024
Title Company	LAWYERS TITLE COMPANY/CA, LAWYERS TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$6,930.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Living Trust
Address	90 MACBAIN AVE, ATHERTON, CA 94027-4119

Mortgage

Document Number	0000020165
Date	Apr 19, 2024
Instrument	2024-020165

Lender

Name	PNC BANK NA
Type	Bank

Agreement

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

Interest

Rate Type	Adjustable Rate
Rate	6.62%
Type Change Date	May 1, 2031
Change Frequency	6 Months
Min Rate At Change	3%
Max Rate At Change	11.6%
Index	SOFR Average 30-Day
Margin	3
Max Rate	11.6%

October 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Oct 23, 2019
Property Address	90 MACBAIN AVE, ATHERTON, CA 94027-4119
Document Number	0000088214
Instrument Date	Oct 15, 2019
Instrument	88214
Transaction Type	Transfer
Record Updated	Nov 14, 2019
Title Company	LAWYERS TITLE

Transaction

Amount	Amount Recorded
Tax	$6,325.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	90 MACBAIN AVE ATHERTON CA 940274119, ATHERTON, CA 94027-4119

February 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Feb 10, 2017
Property Address	90 MACBAIN AVE, ATHERTON, CA 94027-4119
Document Number	0000013071
Map Reference	MAP3 PG76
Instrument Date	Jan 26, 2017
Instrument	2017-013071
Transaction Type	Transfer
Record Updated	Aug 9, 2021
Title Company	LAWYERS TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	90 MACBAIN AVE, ATHERTON, CA 94027-4119

Mortgage

Document Number	0000013072
Date	Feb 10, 2017
Instrument	2017-013072

Lender

Name	CITIBANK NA
Type	Bank

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Mar 1, 2047

Interest

Rate Type	Adjustable Rate
Rate	3.5%
Adjustable	Adjustable Rate Rider
Type Change Date	Mar 1, 2027
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	8.5%
Index	1-Year LIBOR
Max Rate	8.5%

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		$6,554,520 (+2%) Land $5,514,120 Building $1,040,400
2025	$73,079.00 (+6.92%) Homeowner's exemption	$6,426,000 (+6.32%) Land $5,406,000 Building $1,020,000
2023	$68,350.00 (+2.43%)	$6,044,274 Land $3,022,137 Building $3,022,137	$5,725,710
2022	$66,730.00

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
Nearby Flood Claims	2 (1998)
Claims Outside the SFHA	2 of 2
Most Recent Claim	Feb 1998 · Severe Winter Storms And Flooding
Claims by Event	Severe Winter Storms And Flooding, Feb 1998 · 2 claims

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	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 253 locations within half a mile, as of December 31, 2025

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

May also be available: GeoLinks, Race Communications, Sonic Telecom.

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