San Mateo County property record for 6 Betty Ln, Atherton, CA 94027
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 6 ba · 12,314 sqft · built 2003 |
| Lot Size | 1.08 acres (47,185 sqft) |
| Owner | Company Name on Record |
| Last Sale | $22,250,000 (Feb 2026) |
| Tax Bill | $140,709 (2025) |
| Deeds & Mortgages | Feb 2026 Sale May 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 070-022-590 |
| Primary APN | 070-022-590 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 6 Baths |
| Total Rooms | 12 Rooms |
| Stories | 3 Stories |
| Building Area | 12,314 sqft Living Area |
| 1st Floor Area | 3,946 sqft |
| 2nd Floor Area | 3,406 sqft |
| Family Room | Family Room |
| Study | Study |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2003 |
|---|---|
| Effective Year Built | Effective 2003 |
| Architectural Style | Contemporary |
| Exterior Material | Wood Siding |
| Roof Material | Wood Shingle |
| Lot Area | 47,185 sqft |
| Lot Dimensions | 165 ft deep x 288 ft wide |
| Garage Area | 391 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 6 BETTY LN |
|---|---|
| City | ATHERTON |
| State | CA |
| Zip | 94027-5401 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1001A |
| Legal Description | LOT 2 POLHEMUS MEADOW RSM 52/46 TOWN OF ATHERTON |
| Legal Subdivision | POLHEMUS MEADOW |
| Legal Lot Number | 2 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 611400 |
Source: San Mateo County records, as of September 1, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 76 FAIRVIEW AVE, ATHERTON, CA 94027-5427 |
| Owner Type | Company |
| Vesting | Limited Liability Partnership |
| Date | Document |
|---|---|
| Feb 17, 2026 | Grant Deed, Transfer LAWYERS TITLE COMPANY/CA, LAWYERS TITLE COMPANY |
| May 20, 2020 | Deed of Trust, Mortgage · Conventional Mortgage FIRST REPUBLIC BANK |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 17, 2026 · Amount on Record |
| Deed Sale | Feb 17, 2026 · Amount on Record |
| Prior Sale | Feb 2, 2000 · Amount on Record |
| Deed Document Number | 20267690 |
| Prior Transfer Date | Nov 1, 1993 |
| Prior Transfer Doc | 0000213507 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Feb 17, 2026 |
| Property Address | 6 BETTY LN, ATHERTON, CA 94027-5401 |
| Document Number | 0000007690 |
| Map Reference | MB 52 PG 46 |
| Instrument Date | Feb 10, 2026 |
| Instrument | 2026-007690 |
| Transaction Type | Transfer |
| Record Updated | Mar 23, 2026 |
| Title Company | LAWYERS TITLE COMPANY/CA, LAWYERS TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $24,475.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 76 FAIRVIEW AVE, ATHERTON, CA 94027-5427 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 6 BETTY LN, ATHERTON, CA 94027-5401 |
| Transaction Type | Mortgage |
| Record Updated | Jul 25, 2022 |
| Title Company | LAWYERS TITLE COMPANY |
| Name | Verified Name |
|---|
| Document Number | 0000045754 |
|---|---|
| Date | May 20, 2020 |
| Instrument | 2020-045754 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Address | SAN FRANCISCO, CA 94111 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 1, 2050 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.9% |
| Type Change Date | Jun 1, 2030 |
| Change Frequency | Annually |
| Min Rate At Change | 2.95% |
| Index | 1-Year CMT |
| Max Rate | 10.9% |
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 |
|---|---|---|
| 2026 | $12,986,976 (+2%) Land $7,838,657 Building $5,148,319 | |
| 2025 | $140,709.00 (+1.2%) | $12,732,330 (+4.04%) Land $7,684,958 Building $5,047,372 |
| 2024 | $139,037.00 (+1.57%) | |
| 2023 | $136,887.00 (+2.85%) | $12,237,920 Land $7,386,543 Building $4,851,377 |
| 2022 | $133,098.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 94% of the US · lower than 96% 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 160 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 |
May also be available: Etheric Networks, Verizon.
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