San Mateo County property record for 384 Atherton Ave, Atherton, CA 94027
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 5.5 ba · 6,503 sqft · built 1920 |
| Lot Size | 1.15 acres (50,310 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $5,688,000 (Apr 2010) |
| Tax Bill | $82,073 (2025) |
| Deeds & Mortgages | Apr 2023 Mortgage Apr 2023 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 070-031-320 |
| Primary APN | 070-031-320 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 5.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 14 Rooms |
| Stories | 2 Stories |
| Building Area | 6,503 sqft Living Area |
| Gross Area | 7,963 sqft |
| 1st Floor Area | 4,370 sqft |
| 2nd Floor Area | 2,061 sqft |
| Basement Area | 730 sqft |
| Family Room | Family Room |
| Study | Study |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1920 |
| Roof Material | Other |
| Lot Area | 50,310 sqft |
| Garage Type | Attached |
| Garage Area | 730 sqft |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 384 ATHERTON AVE |
|---|---|
| City | ATHERTON |
| State | CA |
| Zip | 94027-6404 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1001A |
| Legal Description | SWLY 1.15 AC OF LOT 57 POLHEMUS TRACT RSM 2/35 TOWN OF ATHERTON |
| Legal Subdivision | POLHEMUS TRACT |
| Legal Lot Number | 57 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 611400 |
Source: San Mateo County records, as of August 6, 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 | Individual Name on Record |
|---|---|
| Mailing Address | 1920 BYRON ST, PALO ALTO, CA 94301-4001 |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Apr 20, 2023 | Deed of Trust, Mortgage · Commercial Mortgage SHIXI LI |
| Apr 20, 2023 | Intrafamily Transfer, Transfer |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 22, 2010 · Amount on Record |
| Deed Sale | Apr 22, 2010 · Amount on Record |
| Prior Sale | Nov 30, 2004 · Amount on Record |
| Deed Document Number | 201043269 |
| Last Transfer Date | Apr 18, 2023 |
| Transfer Doc | 0000017790 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 384 ATHERTON AVE, ATHERTON, CA 94027-6404 |
| Transaction Type | Mortgage |
| Record Updated | Aug 22, 2023 |
| Name | Verified Name |
|---|---|
| Address | 1920 BYRON ST, PALO ALTO, CA 94301-4001 |
| Document Number | 0000017791 |
|---|---|
| Date | Apr 20, 2023 |
| Instrument | 2023-017791 |
| Name | SHIXI LI |
|---|---|
| Type | Private Party |
| Address | 415 S MURPHY AVE, SUNNYVALE, CA 94086 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Apr 20, 2023 |
| Property Address | 384 ATHERTON AVE, ATHERTON, CA 94027-6404 |
| Document Number | 0000017790 |
| Map Reference | MB C PG 64 |
| Instrument Date | Apr 18, 2023 |
| Instrument | 2023-017790 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1920 BYRON ST, PALO ALTO, CA 94301-4001 |
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 | $7,489,044 (+2%) Land $3,744,522 Building $3,744,522 | ||
| 2025 | $82,073.00 (+2.87%) | $7,342,200 (+4.04%) Land $3,671,100 Building $3,671,100 | |
| 2023 | $79,781.00 (+2.82%) | $7,057,096 Land $3,528,548 Building $3,528,548 | $8,044,290 |
| 2022 | $77,593.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 | Low lower than 95% of the US · lower than 97% of California |
|---|---|
| Wildfire Likelihood | 0.01% 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 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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