San Mateo County property record for 76 Wilburn Ave, Atherton, CA 94027
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,600 sqft · built 1949 |
| Lot Size | 0.31 acres (13,500 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $4,400,000 (Oct 2024) |
| Tax Bill | $49,319 (2025) |
| Deeds & Mortgages | Feb 2026 Mortgage Oct 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 060-292-070 |
| Primary APN | 060-292-070 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 2,600 sqft Living Area |
| 1st Floor Area | 1,590 sqft |
| Family Room | Family Room |
| Study | Study |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1949 |
| Architectural Style | Ranch |
| Exterior Material | Shingles |
| Roof Material | Wood Shingle |
| Lot Area | 13,500 sqft (0.31 acres) |
| Lot Dimensions | 150 ft deep x 90 ft wide |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 76 WILBURN AVE |
|---|---|
| City | ATHERTON |
| State | CA |
| Zip | 94027-3848 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R11A00 |
| Legal Description | LOT 2 BLOCK 4 LLOYDEN PARK RSM 16/29 30 TOWN OF ATHERTON |
| Legal Subdivision | LLOYDEN PARK |
| Legal Block | 4 |
| Legal Lot Number | 2 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2013 |
| Census Tract | 611500 |
76 Wilburn Ave is owned and occupied by two individuals who bought it in October 2024.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 76 WILBURN AVE, ATHERTON, CA 94027-3848 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Feb 10, 2026 | Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA |
| Oct 12, 2017 | Deed of Trust, Mortgage BANK OF AMERICA |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 30, 2024 · Amount on File |
| Deed Sale | Oct 30, 2024 · Amount on File |
| Prior Sale | Mar 19, 2014 · Amount on File |
| Deed Document Number | 202457999 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 76 WILBURN AVE, ATHERTON, CA 94027-3848 |
| Transaction Type | Mortgage |
| Record Updated | Mar 18, 2026 |
| Name | Verified Name |
|---|---|
| Address | 76 WILBURN AVE, ATHERTON, CA 94027-3848 |
| Document Number | 0000006503 |
|---|---|
| Date | Feb 10, 2026 |
| Instrument | 2026-006503 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Mar 1, 2056 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 5.12% |
| Type Change Date | Mar 1, 2033 |
| Change Frequency | 6 Months |
| Min Rate At Change | 3.12% |
| Max Rate At Change | 7.12% |
| Index | SOFR Average 30-Day |
| Max Rate | 10.1% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 76 WILBURN AVE, ATHERTON, CA 94027-3848 |
| Document Number | 0000092576 |
| Instrument Date | Oct 12, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Aug 28, 2018 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 76 WILBURN AVE ATHERTON CA 940273848, ATHERTON, CA 94027-3848 |
| Document Number | 0000092576 |
|---|---|
| Date | Oct 20, 2017 |
| Instrument | 92576 |
| Name | BANK OF AMERICA |
|---|---|
| Type | Bank |
| Address | 101 S TRYON ST, CHARLOTTE, NC 28280-0002 |
| Amount | Amount on Record |
|---|---|
| Term | 360 Months |
| Due | Oct 19, 2047 |
| Rate Type | Adjustable Rate |
|---|
The 2025 property tax bill for 76 Wilburn Ave was $49,319 with a homeowner's exemption.
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 | Redwood 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 | $4,488,000 (+2%) Land $3,870,900 Building $617,100 | ||
| 2025 | $49,319.00 Homeowner's exemption | $4,400,000 Land $3,795,000 Building $605,000 | |
| 2023 | $31,461.00 (+4.93%) Homeowner's exemption | $2,739,447 Land $2,018,357 Building $721,090 | $3,344,400 |
| 2022 | $29,984.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 76 Wilburn 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 76 Wilburn 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 98% of the US · lower than 98.4% 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 487 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · 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: Astound Broadband, GeoLinks, Race Communications, Sonic Telecom.
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