San Mateo County property record for 321 Walsh Rd, Atherton, CA 94027 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 5 Beds |
| Bathrooms | 3.5 Baths |
| Year Built | Built 1933 |
| Square Footage | 4,360 sqft Living Area |
| Lot Size | 27,363 sqft (0.628 acres) |
| Garage | 560 sqft |
| Occupancy | Owner Occupied |
| Tax Bill | $12,424.00 (2025) |
Source: San Mateo County records · APN 074-012-230
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 Record | 2 Company Names on File |
|---|---|
| Mailing Address | 321 WALSH RD, ATHERTON, CA 94027-6436 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Nov 28, 2012 |
| Transfer Doc | 0000182610 |
| Record Refreshed | Sep 20, 2026 |
Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified July 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) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $999,446 (+2%) Land $528,318 Building $471,128 | |
| 2025 | $12,424.00 (+3.52%) Homeowner's exemption | $979,850 (+4.04%) Land $517,959 Building $461,891 |
| 2023 | $12,001.00 (+2.69%) Homeowner's exemption | $941,803 Land $497,847 Building $443,956 |
| 2022 | $11,687.00 |
Source: FEMA National Flood Hazard Layer, San Mateo County (06081C), updated September 10, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified: October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
| Primary APN | 074-012-230 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 10 Rooms |
| Building Area | 4,360 sqft Living Area |
| 1st Floor | 1,950 sqft 1st Floor |
| Family Room | Family Room |
| Stories | 1 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1933 |
|---|---|
| Effective Year Built | Effective 1933 |
| Architectural Style | Ranch Style |
| Exterior Material | Stucco Exterior |
| Construction Type | Frame Construction |
| Roof Material | Wood Shingle Roof |
| Lot Area | 27,363 sqft (0.628 acres) |
| Depth X Width | 248 ft x 110 ft Depth x Width |
| Parking Spaces | 2 Parking Spaces |
| Garage Area | 560 sqft Garage |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Central Heating |
| Sewage | Municipal Sewage |
| Water Source | Commercial Water Source |
| Street Address | 321 WALSH RD |
|---|---|
| City | ATHERTON |
| State | CA |
| Zip | 94027-6436 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | STRIP OF LAND 30 FT X 263.81 FT ADJ BLOCK 8 PTN OF ALTSCHUL AVE LOT 1 2 BLOCK 8 LOTS 22 23 BLOCK 8 MENLO HEIGHTS RSM 2/32 TOWN OF ATHERTON |
| Legal Subdivision | MENLO HEIGHTS |
| Legal Block | 8 |
| Legal Lot Number | 1,22 |
| Jurisdiction | SAN MATEO CA |
| Minor Civil Division | SAN MATEO |
| Census Blockgroup | 3 |
| Census Block | 3008 |
| Census Tract | 611400 |
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