San Mateo County property record for 302 Atherton Ave, Atherton, CA 94027
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 7.5 ba · 7,257 sqft · built 2010 |
| Lot Size | 0.745 acres (32,449 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $10,600,000 (Mar 2022) |
| Tax Bill | $104,717 (2025) |
| Deeds & Mortgages | Jan 2022 Mortgage Mar 2022 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 070-031-410 |
| Primary APN | 070-031-410 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 7.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 16 Rooms |
| Stories | 2 Stories |
| Building Area | 7,257 sqft Living Area |
| Gross Area | 7,925 sqft |
| 1st Floor Area | 2,624 sqft |
| 2nd Floor Area | 2,009 sqft |
| Attic | Attic |
| Attic Area | 360 sqft |
| Basement Area | 2,932 sqft |
| Finished Basement | 2,624 sqft |
| Unfinished Basement | 308 sqft |
| Family Room | Family Room |
| Study | Study |
| Year Built | Built 2010 |
|---|---|
| Effective Year Built | Effective 2010 |
| Lot Area | 32,449 sqft (0.745 acres) |
| View / Lot | Corner |
| Garage Area | 646 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 302 ATHERTON AVE |
|---|---|
| City | ATHERTON |
| State | CA |
| Zip | 94027-6404 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1001A |
| Legal Description | BEING 168.88 FT X 180.03 FT ON NWLY COR OF ATHERTON AVE & ALAMEDA DE LAS PULGAS PTN OF LOT 57 POLHEMUS TRACT RSM 2/35 |
| Legal Subdivision | ALAMEDA DE LAS PULGAS |
| Legal Lot Number | 57 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 611400 |
302 Atherton Ave is owner-occupied and held in a trust since March 2022.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 302 ATHERTON AVE, ATHERTON, CA 94027-6404 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Jan 26, 2022 | Deed of Trust, Mortgage · Conventional Mortgage TELLONE FINANCIAL SERVICES INC LP |
| Mar 9, 2022 | Grant Deed, Transfer · Conventional Mortgage US BANK NA |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 9, 2022 · Amount on File |
| Deed Sale | Mar 9, 2022 · Amount on File |
| Prior Sale | Nov 12, 2014 · Amount on File |
| Deed Document Number | 202220814 |
| Prior Transfer Date | Sep 29, 2005 |
| Prior Transfer Doc | 0000176292 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 302 ATHERTON AVE, ATHERTON, CA 94027-6404 |
| Transaction Type | Mortgage |
| Record Updated | Aug 5, 2022 |
| Name | Verified Name |
|---|---|
| Address | 302 ATHERTON AVE, ATHERTON, CA 94027-6404 |
| Document Number | 0000007402 |
|---|---|
| Date | Jan 26, 2022 |
| Instrument | 2022-007402 |
| Name | TELLONE FINANCIAL SERVICES INC LP |
|---|---|
| Type | Non-Lending Institution |
| Address | ANAHEIM, CA 92807 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 61 Months |
| Due | Feb 1, 2027 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Mar 9, 2022 |
| Property Address | 302 ATHERTON AVE, ATHERTON, CA 94027-6404 |
| Document Number | 0000020814 |
| Map Reference | MB C PG 54 |
| Instrument Date | Feb 17, 2022 |
| Instrument | 2022-020814 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $11,660.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 302 ATHERTON AVE, ATHERTON, CA 94027-6404 |
| Document Number | 0000020815 |
|---|---|
| Date | Mar 9, 2022 |
| Instrument | 2022-020815 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Apr 1, 2052 |
The 2025 property tax bill for 302 Atherton Ave was $104,717 with a homeowner's exemption.
Source: San Mateo County assessment roll, as of July 15, 2026
| 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) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $9,800,000 (+4.03%) Land $6,749,000 Building $3,051,000 | ||
| 2025 | $104,717.00 Homeowner's exemption | $9,420,000 Land $6,487,000 Building $2,933,000 | |
| 2023 | $93,464.00 (+24.04%) Homeowner's exemption | $10,812,000 Land $7,446,000 Building $3,366,000 | $8,744,400 |
| 2022 | $75,351.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 302 Atherton Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2022.
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 File 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 risk around 302 Atherton Ave is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 98.4% 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.
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 |
| 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.
Source: FCC Broadband Data Collection, based on 136 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.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures