San Mateo County property record for 90 de Bell Dr, Atherton, CA 94027
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 4 ba · 3,986 sqft · built 1949 |
| Lot Size | 0.825 acres (35,944 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $2,650,000 (Jul 2006) |
| Tax Bill | $48,517 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 061-272-110 |
| Primary APN | 061-272-110 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 3,986 sqft Living Area |
| 1st Floor Area | 2,070 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1949 |
| Architectural Style | Ranch |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 35,944 sqft (0.825 acres) |
| Lot Dimensions | 186 ft deep x 192 ft wide |
| Garage Area | 746 sqft |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 90 DE BELL DR |
|---|---|
| City | ATHERTON |
| State | CA |
| Zip | 94027-2253 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1001A |
| Legal Description | LOT 15 MAPLE MANOR RSM 24/39 TOWN OF ATHERTON |
| Legal Subdivision | MAPLE MANOR |
| Legal Lot Number | 15 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 611500 |
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 | 90 DE BELL DR, ATHERTON, CA 94027-2253 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 12, 2006 · Amount on Record |
| Deed Sale | Jul 12, 2006 · Amount on Record |
| Prior Sale | Mar 15, 2000 · Amount on Record |
| Deed Document Number | 2006103237 |
| Last Transfer Date | Jun 29, 2011 |
| Transfer Doc | 0000075812 |
| Record Updated | Oct 29, 2026 |
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 | $4,251,702 (+2%) Land $3,416,461 Building $835,241 | ||
| 2025 | $48,517.00 (+4.89%) | $4,168,337 (+4.04%) Land $3,349,472 Building $818,865 | |
| 2023 | $46,256.00 (+2.44%) | $4,006,478 Land $3,219,409 Building $787,069 | $6,347,880 |
| 2022 | $45,154.00 |
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 | 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.
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 | 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 167 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Race Communications Fiber | 10,000 / 10,000 |
| Xfinity Cable | 2,000 / 250 |
| AT&T Fiber · DSL | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Sonic Telecom, T-Mobile.
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