San Mateo County property record for 176 Encinal Ave, Atherton, CA 94027
| Property Type | Single Family Home |
|---|---|
| Details | 6 bd · 7.5 ba · 11,497 sqft · built 2017 |
| Lot Size | 2.13 acres (92,817 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $20,200,000 (Jul 2025) |
| Tax Bill | $153,833 (2025) |
| Deeds & Mortgages | Apr 2024 Transfer Apr 2017 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 061-340-350 |
| Primary APN | 061-340-350 |
|---|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 7.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 13 Rooms |
| Stories | 2 Stories |
| Building Area | 11,497 sqft Living Area |
| 1st Floor Area | 4,651 sqft |
| 2nd Floor Area | 3,862 sqft |
| Basement Area | 2,984 sqft |
| Finished Basement | 2,984 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2017 |
|---|---|
| Effective Year Built | Effective 2017 |
| Roof Material | Wood Shingle |
| Lot Area | 92,817 sqft |
| Garage Area | 898 sqft |
| Parking Spaces | 4 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 176 ENCINAL AVE |
|---|---|
| City | ATHERTON |
| State | CA |
| Zip | 94027-3103 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10000 |
| Legal Description | PARCEL 7 2.13 AC MOL PARCEL MAP VOL 49/62 |
| Legal Subdivision | LARSON ESTATES UNIT 2 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 611500 |
176 Encinal Ave is owner-occupied and held in a trust since July 2025.
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 | 2 Trust Names on File |
|---|---|
| Mailing Address | 176 ENCINAL AVE, ATHERTON, CA 94027-3103 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Apr 26, 2024 | Quit Claim Deed, Transfer Quitclaim |
| Apr 7, 2017 | Grant Deed, Transfer CHICAGO TITLE COMPANY, CHICAGO TITLE INSURANCE COMPAN |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 10, 2025 · Amount on File |
| Deed Sale | Jul 10, 2025 · Amount on File |
| Prior Sale | Apr 7, 2017 · Amount on File |
| Deed Document Number | 202535198 |
| Prior Transfer Date | Dec 19, 1997 |
| Prior Transfer Doc | 0000169917 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Apr 26, 2024 |
| Property Address | 176 ENCINAL AVE, ATHERTON, CA 94027-3103 |
| Document Number | 0000021713 |
| Map Reference | MB 49 PG M62 |
| Instrument Date | Mar 19, 2024 |
| Instrument | 2024-021713 |
| Transaction Type | Transfer |
| Record Updated | May 20, 2024 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 425 1ST ST # ST5402, ST5402, SAN FRANCISCO, CA 94105-4621 |
| Name | Verified Name |
|---|
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Apr 7, 2017 |
| Property Address | 176 ENCINAL AVE, ATHERTON, CA 94027-3103 |
| Document Number | 0000030873 |
| Instrument Date | Apr 7, 2017 |
| Instrument | 30873 |
| Transaction Type | Transfer |
| Record Updated | Apr 28, 2017 |
| Title Company | CHICAGO TITLE COMPANY, CHICAGO TITLE INSURANCE COMPAN |
| Amount | Amount on Record |
|---|---|
| Tax | $3,850.00 |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 470 MIDDLEFIELD RD ATHERTON CA 940273216, ATHERTON, CA 94027-3216 |
The 2025 property tax bill for 176 Encinal Ave was $153,833, up 2.8% from the year before.
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 |
|---|---|---|
| 2026 | $20,200,000 (+46.18%) Land $12,000,000 Building $8,200,000 | |
| 2025 | $153,833.00 (+2.82%) | $13,818,818 Land $6,405,888 Building $7,412,930 |
| 2024 | $149,608.00 (+1.9%) | |
| 2023 | $146,824.00 (+2.41%) | $13,282,221 Land $6,157,141 Building $7,125,080 |
| 2022 | $143,368.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 176 Encinal Ave 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 | 4 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 176 Encinal Ave is low, with 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 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 296 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, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Etheric Networks, GeoLinks, Sonic Telecom, T-Mobile.
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