San Mateo County property record for 264 Bay Rd, Atherton, CA 94027
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 4.5 ba · 5,568 sqft · built 2014 |
| Lot Size | 0.938 acres (40,860 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $10,700,000 (May 2025) |
| Tax Bill | $99,708 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 061-091-030 |
| Primary APN | 061-091-030 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 5,568 sqft Living Area |
| Gross Area | 6,373 sqft |
| 1st Floor Area | 2,866 sqft |
| 2nd Floor Area | 2,078 sqft |
| Basement Area | 624 sqft |
| Family Room | Family Room |
| Year Built | Built 2014 |
|---|---|
| Effective Year Built | Effective 2014 |
| Lot Area | 40,860 sqft (0.938 acres) |
| Lot Dimensions | 210 ft deep x 189 ft wide |
| Garage Type | Attached |
| Garage Area | 805 sqft |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 264 BAY RD |
|---|---|
| City | ATHERTON |
| State | CA |
| Zip | 94027-1730 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1001A |
| Legal Description | LOT 5 LESS SMALL SELY PTN FLOOD ACRES RSM 22/1 TOWN OF ATHERTON |
| Legal Subdivision | FLOOD ACRES |
| Legal Lot Number | 5 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 611500 |
264 Bay Rd is owner-occupied and held in a trust since May 2025.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 264 BAY RD, ATHERTON, CA 94027-1730 |
| 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.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 9, 2025 · Amount on File |
| Deed Sale | May 9, 2025 · Amount on File |
| Prior Sale | Sep 24, 2014 · Amount on File |
| Deed Document Number | 202522944 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 264 Bay Rd was $99,708.
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 | Menlo Park City Elementary School District (KG - 08) |
| Secondary School District | Sequoia Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $10,914,000 (+23.19%) Land $5,538,600 Building $5,375,400 | ||
| 2025 | $99,708.00 | $8,859,151 Land $5,372,267 Building $3,486,884 | |
| 2023 | $95,139.00 (+2.42%) | $8,515,141 Land $5,163,656 Building $3,351,485 | $7,586,370 |
| 2022 | $92,893.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 264 Bay Rd in Zone X, an area of minimal flood risk.
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 |
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 264 Bay Rd 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 97% of the US · lower than 97.8% 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 354 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Etheric Networks, GeoLinks, Race Communications.
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