San Mateo County property record for 27 Valley Rd, Atherton, CA 94027
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4.5 ba · 4,380 sqft · built 1995 |
| Lot Size | 1.03 acres (45,100 sqft) |
| Owner | Individual Name on File |
| Last Sale | $3,412,500 (Sep 2006) |
| Tax Bill | $56,181 (2025) |
| Deeds & Mortgages | May 2026 Transfer Feb 2021 Transfer + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 073-261-360 |
| Primary APN | 073-261-360 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 4,380 sqft Living Area |
| 1st Floor Area | 4,380 sqft |
| Family Room | Family Room |
| Study | Study |
| Year Built | Built 1995 |
|---|---|
| Effective Year Built | Effective 1995 |
| Lot Area | 45,100 sqft |
| Lot Dimensions | 220 ft deep x 205 ft wide |
| Garage Area | 600 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 27 VALLEY RD |
|---|---|
| City | ATHERTON |
| State | CA |
| Zip | 94027-6434 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 7 ATHERTON VALLEY RSM 118/30-31 |
| Legal Subdivision | ATHERTON VALLEY |
| Legal Lot Number | 7 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 3 |
| Census Block | 3009 |
| Census Tract | 611400 |
Source: San Mateo County records · APN 073-261-360
Assessment roll updated July 15, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 27 VALLEY RD, ATHERTON, CA 94027-6434 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Man |
| Date | Document |
|---|---|
| May 12, 2026 | Gift Deed, Transfer LAWYERS TITLE COMPANY/CA, LAWYERS TITLE COMPANY |
| Feb 05, 2021 | Gift Deed, Transfer |
| Feb 05, 2021 | Intrafamily Transfer, Transfer |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Sep 28, 2006 · Amount on Record |
| Deed Sale | Sep 28, 2006 · Amount on Record |
| Prior Sale | Dec 20, 1994 · Amount on Record |
| Deed Document Number | 2006146574 |
| Last Transfer Date | Jan 28, 2021 |
| Transfer Doc | 0000019495 |
| Record Updated | Sep 20, 2026 |
| Document Type | Gift Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | May 12, 2026 |
| Property Address | 27 VALLEY RD, ATHERTON, CA 94027-6434 |
| Document Number | 0000026884 |
| Instrument Date | Mar 19, 2026 |
| Instrument | 202626884 |
| Transaction Type | Transfer |
| Record Updated | Jul 12, 2026 |
| Title Company | LAWYERS TITLE COMPANY/CA, LAWYERS TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 27 VALLEY RD, ATHERTON, CA 94027-6434 |
| Document Type | Gift Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Feb 05, 2021 |
| Property Address | 27 VALLEY RD, ATHERTON, CA 94027-6434 |
| Document Number | 0000019496 |
| Map Reference | MB 118 PG 30&31 |
| Instrument Date | Feb 02, 2021 |
| Instrument | 2021-019496 |
| Transaction Type | Transfer |
| Record Updated | Aug 09, 2021 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 27 VALLEY RD, ATHERTON, CA 94027-6434 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Feb 05, 2021 |
| Property Address | 27 VALLEY RD, ATHERTON, CA 94027-6434 |
| Document Number | 0000019495 |
| Map Reference | MB 118 PG 30&31 |
| Instrument Date | Jan 28, 2021 |
| Instrument | 2021-019495 |
| Transaction Type | Transfer |
| Record Updated | Aug 09, 2021 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 27 VALLEY RD, ATHERTON, CA 94027-6434 |
Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified August 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) |
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 | $5,073,859 (+2%) Land $3,553,119 Building $1,520,740 | ||
| 2025 | $56,181.00 (+2.92%) | $4,974,372 (+4.04%) Land $3,483,450 Building $1,490,922 | |
| 2023 | $54,585.00 (+2.81%) | $4,781,215 Land $3,348,185 Building $1,433,030 | $5,694,390 |
| 2022 | $53,094.00 |
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 |
| 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 |
| Wildfire Risk | Low lower than 66% of the US · lower than 80% of California |
|---|---|
| Wildfire Likelihood | 0.03% 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) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Cruzio Internet Fixed Wireless | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Etheric Communications, LLC., Race Telecommunications.
Based on FCC filings for 168 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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