San Mateo County property record for 1 Wilburn Ave, Atherton, CA 94027
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 2,110 sqft · built 1968 |
| Lot Size | 0.267 acres (11,613 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $1,450,000 (Apr 2008) |
| Tax Bill | $22,480 (2025) |
| Deeds & Mortgages | Jun 2021 Mortgage Jul 2020 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 060-291-410 |
| Primary APN | 060-291-410 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 2,110 sqft Living Area |
| 1st Floor Area | 2,110 sqft |
| Family Room | Family Room |
| Study | Study |
| Year Built | Built 1968 |
|---|---|
| Effective Year Built | Effective 1968 |
| Lot Area | 11,613 sqft (0.267 acres) |
| Lot Dimensions | 145 ft deep x 80 ft wide |
| View / Lot | Corner |
| Garage Area | 530 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 1 WILBURN AVE |
|---|---|
| City | ATHERTON |
| State | CA |
| Zip | 94027-3839 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R11A00 |
| Legal Description | PARCEL 1 PARCEL MAP VOL 4/17 |
| Legal Subdivision | LLOYDEN PARK |
| Legal Lot Number | 1 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 611500 |
Source: San Mateo County records, as of July 15, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 1 WILBURN AVE, ATHERTON, CA 94027-3839 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Sole Owner |
| Date | Document |
|---|---|
| Jun 10, 2021 | Deed of Trust, Mortgage · Conventional Mortgage WINNPOINTE CORPORATION |
| Jul 31, 2020 | Intrafamily Transfer, Transfer · Conventional Mortgage WINNPOINTE CORPORATION |
| Jul 7, 2017 | Deed of Trust, Mortgage · Line of Credit BANK OF AMERICA |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 10, 2008 · Amount on Record |
| Deed Sale | Apr 10, 2008 · Amount on Record |
| Prior Sale | Dec 30, 1998 · Amount on Record |
| Deed Document Number | 200839659 |
| Last Transfer Date | Jul 14, 2020 |
| Transfer Doc | 0000075058 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 1 WILBURN AVE, ATHERTON, CA 94027-3839 |
| Transaction Type | Mortgage |
| Record Updated | Jun 30, 2021 |
| Title Company | ORANGE COAST TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 1 WILBURN AVE, ATHERTON, CA 94027-3839 |
| Document Number | 0000089312 |
|---|---|
| Date | Jun 10, 2021 |
| Instrument | 2021-089312 |
| Name | WINNPOINTE CORPORATION |
|---|---|
| Type | Mortgage Company |
| Address | ORANGE, CA 92868 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Jul 1, 2036 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Jul 31, 2020 |
| Property Address | 1 WILBURN AVE, ATHERTON, CA 94027-3839 |
| Document Number | 0000075058 |
| Map Reference | MB 16 PG 29-30 |
| Instrument Date | Jul 14, 2020 |
| Instrument | 2020-075058 |
| Transaction Type | Transfer |
| Record Updated | Aug 9, 2021 |
| Title Company | ORANGE COAST TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1 WILBURN AVE, ATHERTON, CA 94027-3839 |
| Document Number | 0000075059 |
|---|---|
| Date | Jul 31, 2020 |
| Instrument | 2020-075059 |
| Name | WINNPOINTE CORPORATION |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Aug 1, 2035 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 1 WILBURN AVE, ATHERTON, CA 94027-3839 |
| Document Number | 0000060783 |
| Instrument Date | Jul 7, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Aug 23, 2018 |
| Title Company | FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INSURANCE |
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 1 WILBURN AVE ATHERTON CA 940273839, ATHERTON, CA 94027-3839 |
| Document Number | 0000060783 |
|---|---|
| Date | Jul 17, 2017 |
| Instrument | 60783 |
| Name | BANK OF AMERICA |
|---|---|
| Type | Bank |
| Address | TAMPA, FL 33634 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
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 | $1,978,761 (+2%) Land $1,875,699 Building $103,062 | ||
| 2025 | $22,480.00 (+4.72%) | $1,939,963 (+5.97%) Land $1,838,921 Building $101,042 | |
| 2023 | $21,466.00 (+4.9%) | $1,830,634 Land $1,767,514 Building $63,120 | $3,559,230 |
| 2022 | $20,464.00 |
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 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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