San Mateo County property record for 499 Walsh Rd, Atherton, CA 94027
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 5,205 sqft · built 1970 |
| Lot Size | 1.02 acres (44,594 sqft) |
| Owner | Company Name on Record |
| Last Sale | $5,500,000 (Jul 2015) |
| Tax Bill | $86,317 (2025) |
| Deeds & Mortgages | Apr 2017 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 074-371-190 |
| Primary APN | 074-371-190 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 5,205 sqft Living Area |
| 1st Floor Area | 3,390 sqft |
| Family Room | Family Room |
| Study | Study |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1970 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Other |
| Lot Area | 44,594 sqft |
| Garage Area | 675 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 499 WALSH RD |
|---|---|
| City | ATHERTON |
| State | CA |
| Zip | 94027-6438 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1001A |
| Legal Description | 1.03 AC MOL BEING PTN LOT 1 ATHERTON WEST RSM 55/36 |
| Legal Subdivision | ATHERTON WEST |
| Legal Lot Number | 1 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 3 |
| Census Block | 3009 |
| Census Tract | 611400 |
Source: San Mateo County records, as of July 15, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 108 GLOUCESTER RD, WANCHAI, CN |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 22, 2015 · Amount on Record |
| Deed Sale | Jul 22, 2015 · Amount on Record |
| Prior Sale | Jun 13, 1997 · Amount on Record |
| Deed Document Number | 201577050 |
| Prior Transfer Date | Dec 12, 2008 |
| Prior Transfer Doc | 0000135726 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Apr 27, 2017 |
| Property Address | 499 WALSH RD, ATHERTON, CA 94027-6438 |
| Document Number | 0000036243 |
| Instrument Date | Mar 24, 2017 |
| Instrument | 36243 |
| Transaction Type | Transfer |
| Record Updated | May 18, 2017 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 36/F DAH SING FINANCIAL CENTRE |
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 | $7,884,890 (+2%) Land $5,451,740 Building $2,433,150 | |
| 2025 | $86,317.00 (+2.87%) | $7,730,287 (+4.04%) Land $5,344,844 Building $2,385,443 |
| 2023 | $83,911.00 (+2.82%) | $7,430,115 Land $5,137,299 Building $2,292,816 |
| 2022 | $81,609.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 Record 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 45% of the US · lower than 73% of California |
|---|---|
| Wildfire Likelihood | 0.08% annual chance |
| Exposure | Direct burnable vegetation |
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 168 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Cruzio Fixed Wireless | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Etheric Networks, Race Communications.
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