San Mateo County property record for 19 Sargent Ln, Atherton, CA 94027
| Property Type | Single Family Home |
|---|---|
| Details | 6 bd · 5.5 ba · 6,580 sqft · built 2006 |
| Lot Size | 1.24 acres (54,241 sqft) |
| Owner | Company Name on File |
| Last Sale | $7,200,000 (Mar 2011) |
| Tax Bill | $102,656 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 073-261-380 |
| Primary APN | 073-261-380 |
|---|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 5.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 12 Rooms |
| Stories | 2 Stories |
| Building Area | 6,580 sqft Living Area |
| 1st Floor Area | 3,650 sqft |
| 2nd Floor Area | 2,930 sqft |
| Family Room | Family Room |
| Study | Study |
| Year Built | Built 2006 |
|---|---|
| Effective Year Built | Effective 2006 |
| Lot Area | 54,241 sqft |
| Garage Area | 960 sqft |
| Parking Spaces | 4 Parking Spaces |
| Cooling System | None |
|---|---|
| Heating System | Central |
| Street Address | 19 SARGENT LN |
|---|---|
| City | ATHERTON |
| State | CA |
| Zip | 94027-6425 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | 1.245 AC MOL PAR 1 PARCEL MAP VOL 75/39-41 |
| Legal Subdivision | MAP OF THE MEZES RANCH |
| Legal Lot Number | 30 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 3 |
| Census Block | 3010 |
| Census Tract | 611400 |
19 Sargent Ln is owned by a company that bought it in March 2011.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 19 SARGENT LN, ATHERTON, CA 94027-6425 |
| Owner Type | Company |
| Vesting | Company |
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 | Name on Deed |
|---|---|
| Last Sale | Mar 9, 2011 · Amount on File |
| Deed Sale | Mar 9, 2011 · Amount on File |
| Prior Sale | Jun 30, 2004 · Amount on File |
| Deed Document Number | 201128225 |
| Prior Transfer Date | May 17, 2000 |
| Prior Transfer Doc | 0000059296 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 19 Sargent Ln was $102,656.
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 | $9,408,962 (+2%) Land $4,704,481 Building $4,704,481 | ||
| 2025 | $102,656.00 | $9,224,474 Land $4,612,237 Building $4,612,237 | |
| 2023 | $99,810.00 (+2.82%) | $8,866,278 Land $4,433,139 Building $4,433,139 | $7,545,330 |
| 2022 | $97,068.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 19 Sargent Ln 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 19 Sargent Ln is low, with a 0.03% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 66% of the US · lower than 80% of California |
|---|---|
| Wildfire Likelihood | 0.03% 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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