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246 Polhemus Ave, Atherton, CA 94027 Property Records

San Mateo County property record for 246 Polhemus Ave, Atherton, CA 94027 · Last verified July 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms6 Beds
Bathrooms6.5 Baths
Year BuiltBuilt 2006
Square Footage7,240 sqft Living Area
Lot Size1.09 acres
OccupancyOwner Occupied
Last Sale$16,175,000 (2023)
Tax Bill$185,500.00 (2025)

Property Details

APN / Parcel Number

Primary APN070-022-520

Interior

Bedrooms6 Beds
Full Baths6.5 Baths
Partial Baths1 Partial Baths
Total Rooms16 Rooms
Building Area7,240 sqft Living Area
1st Floor4,150 sqft 1st Floor
2nd Floor3,090 sqft 2nd Floor
Attic Area730 sqft Attic
Attic1 Attic
Family RoomFamily Room
Stories2 Stories
StudyStudy

Exterior

Year BuiltBuilt 2006
Effective Year BuiltEffective 2006
Lot Area47,848 sqft
Depth X Width220 ft x 217 ft Depth x Width
Parking Spaces3 Parking Spaces
Garage Area860 sqft Garage

Utilities and HVAC

Cooling SystemCentral Cooling
Heating SystemCentral Heating

Location & Zoning

Street Address246 POLHEMUS AVE
CityATHERTON
StateCA
Zip94027-5439
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal Description217.5 FT X 220 FT ON POLHEMUS AVE SLY PTN OF LOT 29 POLHEMUSTRACT RSM 2/35 TOWN OF ATHERTON
Legal SubdivisionPOLHEMUSTRACT
Legal Lot Number29
JurisdictionSAN MATEO CA
Minor Civil DivisionSAN MATEO
Census Blockgroup3
Census Block3000
Census Tract611400

Owner

Source: San Mateo County records · APN 070-022-520

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 Record2 Individual Names on File
Mailing Address246 POLHEMUS AVE, ATHERTON, CA 94027-5439
OccupancyOwner Occupied
Owner TypeOwner is an Individual, Couple or Unincorporated Entity
VestingCommunity Property

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleJan 05, 2023 · Amount on Record
Deed SaleJan 05, 2023 · Amount on Record
Prior SaleFeb 27, 2007 · Amount on Record
Deed Doc Number2023371
Prior Transfer DateJun 17, 2003
Prior Transfer Doc0000189802
Record RefreshedSep 20, 2026

January 2023: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSAN MATEO CA
Recording DateJan 05, 2023
Property Address246 POLHEMUS AVE, ATHERTON, CA 94027-5439
Document Number0000000371
Map ReferenceMB C PG 64
Instrument DateDec 20, 2022
Instrument2023-000371
Transaction TypeTransfer
Record UpdatedJan 25, 2023
Title CompanyLAWYERS TITLE COMPANY/CA, LAWYERS TITLE COMPANY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$17,792.50
Amount AccuracyRounded Values by County
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property (Marital Community) with Rights of Survivorship
Address246 POLHEMUS AVE, ATHERTON, CA 94027-5439

Mortgage

Document Number0000000372
DateJan 05, 2023
Instrument2023-000372
Lender
NameSILICON VALLEY BANK
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueFeb 01, 2053
Interest
Rate TypeAdjustable Rate
Rate4.25%
Type Change DateFeb 01, 2030
Change Frequency6 Months
Min Rate At Change3.25%
Max Rate At Change5.25%
IndexOther
Max Rate9.25%

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

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

YearTax BillAssessed Value
2026$17,165,039 (+2%) Land $13,795,704 Building $3,369,335
2025$185,500.00 (+20.15%)$16,828,470 (+21.78%) Land $13,525,200 Building $3,303,270
2023$154,391.00 (+2.85%)$13,819,008 Land $7,726,592 Building $6,092,416
2022$150,118.00

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