San Mateo County property record for 305 Stockbridge Ave, Atherton, CA 94027
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 5.5 ba · 5,190 sqft · built 1965 |
| Lot Size | 1.01 acres (44,140 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $3,815,000 (Jan 2012) |
| Tax Bill | $64,148 (2025) |
| Deeds & Mortgages | Feb 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 070-011-090 |
| Primary APN | 070-011-090 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 5.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 15 Rooms |
| Stories | 1 Story |
| Building Area | 5,190 sqft Living Area |
| 1st Floor Area | 2,424 sqft |
| Basement Area | 2,001 sqft |
| Finished Basement | 2,001 sqft |
| Family Room | Family Room |
| Study | Study |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1965 |
|---|---|
| Effective Year Built | Effective 1965 |
| Lot Area | 44,140 sqft |
| Lot Dimensions | 283 ft deep x 148 ft wide |
| View / Lot | Corner |
| Garage Area | 795 sqft |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 305 STOCKBRIDGE AVE |
|---|---|
| City | ATHERTON |
| State | CA |
| Zip | 94027-6442 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1001A |
| Legal Description | COR OF ALAMEDA DE LAS PULGAS & STOCKBRIDGE AVE PTN OF LOT 64 POLHEMUS TRACT RSM 2/35 TOWN OF ATHERTON |
| Legal Subdivision | ALAMEDA DE LAS PULGAS |
| Legal Tract | R |
| Legal Lot Number | 64 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 3 |
| Census Block | 3005 |
| Census Tract | 611400 |
Source: San Mateo County records, as of July 15, 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 Record |
|---|---|
| Mailing Address | 305 STOCKBRIDGE AVE, ATHERTON, CA 94027-6442 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jan 11, 2012 · Amount on Record |
| Deed Sale | Jan 11, 2012 · Amount on Record |
| Prior Sale | Mar 31, 2010 · Amount on Record |
| Deed Document Number | 20123417 |
| Last Transfer Date | Apr 3, 2014 |
| Transfer Doc | 0000029844 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 305 STOCKBRIDGE AVE, ATHERTON, CA 94027-6442 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000015232 |
|---|---|
| Date | Feb 21, 2020 |
| Instrument | 2020-015232 |
| Name | MORGAN STANLEY PRIVATE BANK NA |
|---|---|
| Type | Bank |
| Address | CINCINNATI, OH 45245 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Mar 1, 2050 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.5% |
| Type Change Date | Mar 1, 2027 |
| Change Frequency | Annually |
| Min Rate At Change | 2.5% |
| Max Rate At Change | 7.5% |
| Index | 1-Year LIBOR |
| Max Rate | 7.5% |
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 | $5,845,512 (+2%) Land $2,443,842 Building $3,401,670 | ||
| 2025 | $64,148.00 (+2.83%) | $5,730,896 (+4.04%) Land $2,395,924 Building $3,334,972 | |
| 2023 | $62,384.00 (+22.47%) | $5,508,361 Land $2,302,889 Building $3,205,472 | $5,206,230 |
| 2022 | $50,940.00 |
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 99.1% of the US · lower than 99.2% of California |
|---|---|
| Wildfire Likelihood | Under 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 601 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Race Communications.
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