San Mateo County property record for 85 Stevenson Ln, Atherton, CA 94027
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3.5 ba · 5,350 sqft · built 1992 |
| Lot Size | 1.04 acres (45,365 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $7,500,000 (Dec 2012) |
| Tax Bill | $102,188 (2025) |
| Deeds & Mortgages | May 2022 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 070-240-090 |
| Primary APN | 070-240-090 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 5,350 sqft Living Area |
| 1st Floor Area | 5,350 sqft |
| Family Room | Family Room |
| Study | Study |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1992 |
|---|---|
| Effective Year Built | Effective 1992 |
| Roof Material | Wood Shingle |
| Lot Area | 45,365 sqft |
| Lot Dimensions | 216 ft deep x 210 ft wide |
| Garage Area | 900 sqft |
| Parking Spaces | 4 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 85 STEVENSON LN |
|---|---|
| City | ATHERTON |
| State | CA |
| Zip | 94027-4039 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1001A |
| Legal Description | LOT 2 ATHERTON TERRACE RSM 30/40 TOWN OF ATHERTON |
| Legal Subdivision | ATHERTON TERRACE |
| Legal Lot Number | 2 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 611400 |
Source: San Mateo County records, as of August 6, 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 | 85 STEVENSON LN, ATHERTON, CA 94027-4039 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 27, 2012 · Amount on Record |
| Deed Sale | Dec 27, 2012 · Amount on Record |
| Deed Document Number | 2012196659 |
| Last Transfer Date | Nov 3, 2014 |
| Transfer Doc | 0000108290 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 85 STEVENSON LN, ATHERTON, CA 94027-4039 |
| Transaction Type | Mortgage |
| Record Updated | May 30, 2022 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 85 STEVENSON LN, ATHERTON, CA 94027-4039 |
| Document Number | 0000039606 |
|---|---|
| Date | May 12, 2022 |
| Instrument | 2022-039606 |
| Name | HERITAGE BANK OF COMMERCE |
|---|---|
| Type | Bank |
| Address | SAN JOSE, CA 95110 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
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 | Assessed Market Value |
|---|---|---|---|
| 2026 | $9,420,420 (+2%) Land $8,007,362 Building $1,413,058 | ||
| 2025 | $102,188.00 (+2.85%) Homeowner's exemption | $9,235,706 (+4.04%) Land $7,850,355 Building $1,385,351 | |
| 2024 | $99,355.00 (+1.89%) | ||
| 2023 | $97,510.00 (+2.39%) Homeowner's exemption | $8,877,074 Land $7,545,517 Building $1,331,557 | $7,205,130 |
| 2022 | $95,232.00 |
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 |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 2 (1998) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
| Claims by Event |
|
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 96% of the US · lower than 97.4% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond ember reach |
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 117 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 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Etheric Networks, T-Mobile.
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