San Mateo County property record for 296 Bay Rd, Atherton, CA 94027
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,630 sqft · built 1957 |
| Lot Size | 0.918 acres (39,992 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $4,500,000 (Nov 2022) |
| Tax Bill | $54,121 (2025) |
| Deeds & Mortgages | Nov 2022 Sale & Mortgage Jul 2022 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 061-091-050 |
| Primary APN | 061-091-050 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 2,630 sqft Living Area |
| Gross Area | 3,260 sqft |
| 1st Floor Area | 2,630 sqft |
| Basement Area | 630 sqft |
| Family Room | Family Room |
| Study | Study |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1957 |
|---|---|
| Effective Year Built | Effective 1957 |
| Architectural Style | Contemporary |
| Exterior Material | Wood |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 39,992 sqft (0.918 acres) |
| Lot Dimensions | 207 ft deep x 196 ft wide |
| Garage Type | Basement |
| Garage Area | 630 sqft |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 296 BAY RD |
|---|---|
| City | ATHERTON |
| State | CA |
| Zip | 94027-1730 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1001A |
| Legal Description | LOT 4 LESS SWLY 22.62 FT X 31 FT FLOOD ACRES RSM 22/1 TOWN OF ATHERTON |
| Legal Subdivision | FLOOD ACRES |
| Legal Lot Number | 4 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 611500 |
Source: San Mateo County records · APN 061-091-050
Assessment roll updated July 15, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 296 BAY RD, ATHERTON, CA 94027-1730 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Date | Document |
|---|---|
| Nov 18, 2022 | Grant Deed, Transfer · Conventional Mortgage HSBC BANK USA |
| Jul 19, 2022 | Deed of Trust, Mortgage · Line of Credit BANK OF THE WEST |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Nov 18, 2022 · Amount on Record |
| Deed Sale | Nov 18, 2022 · Amount on Record |
| Deed Document Number | 202279738 |
| Prior Transfer Date | May 15, 2014 |
| Prior Transfer Doc | 0000047367 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Nov 18, 2022 |
| Property Address | 296 BAY RD, ATHERTON, CA 94027-1730 |
| Document Number | 0000079738 |
| Map Reference | MB 22 PG 1 |
| Instrument Date | Oct 20, 2022 |
| Instrument | 2022-079738 |
| Transaction Type | Transfer |
| Record Updated | Dec 22, 2022 |
| Title Company | NOT AVAILABLE, DOMA TITLE OF CALIFORNIA INC |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $4,950.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 296 BAY RD, ATHERTON, CA 94027-1730 |
| Document Number | 0000079739 |
|---|---|
| Date | Nov 18, 2022 |
| Instrument | 2022-079739 |
| Name | HSBC BANK USA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Dec 01, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 5.58% |
| Type Change Date | Dec 01, 2029 |
| Change Frequency | 6 Months |
| Min Rate At Change | 3% |
| Max Rate At Change | 10.5% |
| Index | Other |
| Margin | 3 |
| Max Rate | 10.5% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 296 BAY RD, ATHERTON, CA 94027-1730 |
| Transaction Type | Mortgage |
| Record Updated | Aug 04, 2022 |
| Name | Verified Name |
|---|---|
| Address | 622 PAOPUA LOOP, KAILUA, HI 96734-3519 |
| Document Number | 0000055579 |
|---|---|
| Date | Jul 19, 2022 |
| Instrument | 2022-055579 |
| Name | BANK OF THE WEST |
|---|---|
| Type | Bank |
| Address | OMAHA, NE 68154 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Aug 01, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified July 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) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $4,775,435 (+2%) Land $4,350,952 Building $424,483 | ||
| 2025 | $54,121.00 (+4.87%) | $4,681,800 (+4.04%) Land $4,265,640 Building $416,160 | |
| 2023 | $51,607.00 (+359.22%) | $4,500,000 Land $4,100,000 Building $400,000 | $3,936,510 |
| 2022 | $11,238.00 |
Source: FEMA National Flood Hazard Layer as of September 10, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 in force |
| Wildfire Risk | Low lower than 97% of the US · lower than 97.8% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| 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 |
May also be available: Etheric Communications, LLC., Race Telecommunications, T-Mobile USA.
Based on FCC filings for 273 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CALIFORNIA WATER SERVICE - BEAR GULCH private · serves 60,382 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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