89 Almendral Ave, Atherton, CA 94027 Property Records

San Mateo County property record for 89 Almendral Ave, Atherton, CA 94027

Property Summary

Property TypeSingle Family Home
Details5 bd · 6.5 ba · 7,663 sqft · built 2006
Lot Size1.52 acres (66,500 sqft)
OwnerCompany Name on Record
Last Sale$17,800,000 (Oct 2024)
Tax Bill$196,005 (2025)
Flood ZoneZone X (minimal risk)
APN070-090-020

Property Details

APN / Parcel Number

Primary APN070-090-020

Interior

Bedrooms5 Beds
Full Baths6.5 Baths
Half Baths1 Half Bath
Total Rooms13 Rooms
Stories2 Stories
Building Area7,663 sqft Living Area
Gross Area11,285 sqft
1st Floor Area3,756 sqft
2nd Floor Area3,378 sqft
Basement Area3,622 sqft
Family RoomFamily Room
StudyStudy
Fireplaces2 Fireplaces
FireplaceFireplace

Exterior

Year BuiltBuilt 2006
Effective Year BuiltEffective 2006
Architectural StyleRanch
Exterior MaterialWood Siding
Roof MaterialComposition Shingle
Lot Area66,500 sqft
Lot Dimensions380 ft deep x 175 ft wide
Garage TypeBasement
Garage Area3,620 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
Heating FuelGas
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address89 ALMENDRAL AVE
CityATHERTON
StateCA
Zip94027-4053
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR1001A
Legal DescriptionSWLY 175 FT OF NELY 212.4 FT OF LOT 9 SUB OF LOT C SELBY TRACT RSM 10/35 TOWN OF ATHERTON
Legal SubdivisionSELBY TRACT
Legal TractC
Legal Lot Number9,C
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group4
Census Block4013
Census Tract611400

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 RecordCompany Name on Record
Mailing Address89 ALMENDRAL AVE, ATHERTON, CA 94027-4053
Owner TypeCompany
VestingLimited Liability Partnership

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleOct 23, 2024 · Amount on Record
Deed SaleOct 23, 2024 · Amount on Record
Prior SaleSep 2, 2015 · Amount on Record
Deed Document Number202456172
Prior Transfer DateOct 9, 2024
Prior Transfer Doc0000056172
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

Source: San Mateo County assessment roll, as of July 15, 2026

Property Jurisdictions

TypeName
StateCalifornia
MunicipalityAtherton Town
CountySan Mateo County
Elementary School DistrictRedwood City Elementary School District (KG - 08)
Secondary School DistrictSequoia Union High School District (09 - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$19,664,000 (+10.47%) Land $11,424,000 Building $8,240,000
2025$196,005.00 (+32.07%)$17,800,000 (+36.11%) Land $11,200,000 Building $6,600,000
2024$148,409.00 (+1.56%)
2023$146,123.00 (+4.96%)$13,077,293 Land $8,588,333 Building $4,488,960
2022$139,215.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies7 in force
Nearby Flood Claims8 (1979–2019)
Claims Outside the SFHA2 of 8
Most Recent ClaimJan 2019 · other causes

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 RiskLow
lower than 98% of the US · lower than 98.4% of California
Wildfire LikelihoodUnder 0.01% annual chance
ExposureDirect
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 SystemCALIFORNIA WATER SERVICE - BEAR GULCH
private · serves 60,382 people · EPA ID CA4110006
Water SourceSurface water
Last State InspectionFeb 2025
Lead4 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 168 locations within half a mile, as of December 31, 2025

ProviderMax 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.

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