San Mateo County property record for 360 Walsh Rd, Atherton, CA 94027
| Property Type | Single Family Home |
|---|---|
| Details | 1023 bd · 5 ba · 9,600 sqft · built 1933 |
| Lot Size | 2.35 acres (102,537 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $87,201 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 073-202-870 |
| Primary APN | 073-202-870 |
|---|---|
| Alternative APN |
|
| Bedrooms | 1023 Beds |
|---|---|
| Full Baths | 5 Baths |
| Half Baths | 6 Half Baths |
| Total Rooms | 1025 Rooms |
| Stories | 2 Stories |
| Building Area | 9,600 sqft Living Area |
| 1st Floor Area | 4,800 sqft |
| 2nd Floor Area | 4,800 sqft |
| Basement Area | 750 sqft |
| Family Room | Family Room |
| Study | Study |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1933 |
|---|---|
| Effective Year Built | Effective 1933 |
| Roof Material | Slate |
| Lot Area | 102,537 sqft |
| Lot Dimensions | 6,784 ft deep x 6,784 ft wide |
| Parking Spaces | 5 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Old Parcel Number | 073202870 |
|---|---|
| Street Address | 360 WALSH RD |
| City | ATHERTON |
| State | CA |
| Zip | 94027-6460 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10000 |
| Legal Description | PARCEL 1 2.35 AC MOL PARCEL MAP VOL 67/24 |
| Legal Subdivision | HILLVIEW HEIGHTS |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 3 |
| Census Block | 3005 |
| Census Tract | 611400 |
360 Walsh Rd is owned and occupied by two individuals.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 360 WALSH RD, ATHERTON, CA 94027-6460 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 360 Walsh Rd was $87,201 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 |
|---|---|---|
| 2026 | $7,974,534 (+2%) Land $4,709,597 Building $3,264,937 | |
| 2025 | $87,201.00 Homeowner's exemption | $7,818,172 Land $4,617,252 Building $3,200,920 |
| 2023 | $84,768.00 (+2.82%) Homeowner's exemption | $7,514,587 Land $4,437,959 Building $3,076,628 |
| 2022 | $82,441.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 360 Walsh Rd 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 360 Walsh Rd is low, with a 0.02% annual chance of 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 | 0.02% 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 110 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 in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
May also be available: Cruzio, Etheric Networks, GeoLinks, T-Mobile, Verizon.
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