San Mateo County property record for 30 Adam Way, Atherton, CA 94027
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 3,400 sqft · built 1954 |
| Lot Size | 1.04 acres (45,624 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $23,200,000 (Nov 2025) |
| Tax Bill | $186,075 (2025) |
| Deeds & Mortgages | Nov 2025 Sale Jan 2022 Sale + 4 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 059-311-170 |
| Primary APN | 059-311-170 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 1 Story |
| Building Area | 3,400 sqft Living Area |
| 1st Floor Area | 2,860 sqft |
| Family Room | Family Room |
| Year Built | Built 1954 |
|---|---|
| Effective Year Built | Effective 1954 |
| Lot Area | 45,624 sqft |
| Lot Dimensions | 254 ft deep x 180 ft wide |
| Garage Area | 810 sqft |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 30 ADAM WAY |
|---|---|
| City | ATHERTON |
| State | CA |
| Zip | 94027-3902 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1001A |
| Legal Description | LOT 23 BLOCK 1 ATHERTON PARK RSM 24/64 TOWN OF |
| Legal Subdivision | ATHERTON PARK |
| Legal Block | 1 |
| Legal Lot Number | 23 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 4 |
| Census Block | 4009 |
| Census Tract | 611400 |
30 Adam Way is held in a trust since November 2025.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 3450 PALMER DR, CAMERON PARK, CA 95682-8253 |
| Owner Type | Company |
| Vesting | Trust |
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 |
|---|---|
| Nov 19, 2025 | Grant Deed, Transfer LAWYERS TITLE COMPANY/CA, LAWYERS TITLE COMPANY |
| Jan 31, 2022 | Grant Deed, Transfer LAWYERS TITLE COMPANY/CA, LAWYERS TITLE COMPANY |
| Jan 19, 2022 | Intrafamily Transfer, Transfer |
| Jul 26, 2017 | Grant Deed, Transfer CHICAGO TITLE COMPANY |
| Jul 26, 2017 | Affidavit of Death, Transfer CHICAGO TITLE COMPANY, CHICAGO TITLE CO |
| Jul 26, 2017 | Affidavit of Death, Transfer CHICAGO TITLE COMPANY, CHICAGO TITLE CO |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 19, 2025 · Amount on File |
| Deed Sale | Nov 19, 2025 · Amount on File |
| Prior Sale | Jan 31, 2022 · Amount on File |
| Deed Document Number | 202563141 |
| Prior Transfer Date | Jul 29, 2013 |
| Prior Transfer Doc | 0000114726 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Nov 19, 2025 |
| Property Address | 30 ADAM WAY, ATHERTON, CA 94027-3902 |
| Document Number | 0000063141 |
| Map Reference | MB 24 PG 64 |
| Instrument Date | Nov 17, 2025 |
| Instrument | 2025-063141 |
| Transaction Type | Transfer |
| Record Updated | Dec 18, 2025 |
| Title Company | LAWYERS TITLE COMPANY/CA, LAWYERS TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Tax | $25,520.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3450 PALMER DR # 4196, 4196, CAMERON PARK, CA 95682-8253 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Jan 31, 2022 |
| Property Address | 30 ADAM WAY, ATHERTON, CA 94027-3902 |
| Document Number | 0000008908 |
| Map Reference | MB 24 PG 64 |
| Instrument Date | Jan 19, 2022 |
| Instrument | 2022-008908 |
| Transaction Type | Transfer |
| Record Updated | Feb 23, 2022 |
| Title Company | LAWYERS TITLE COMPANY/CA, LAWYERS TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Tax | $9,790.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 10 CAMINO POR LOS ARBOLES, ATHERTON, CA 94027-5941 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Jan 19, 2022 |
| Property Address | 30 ADAM WAY, ATHERTON, CA 94027-3902 |
| Document Number | 0000004698 |
| Map Reference | MB 24 PG 64 |
| Instrument Date | Aug 1, 2021 |
| Instrument | 2022-004698 |
| Transaction Type | Transfer |
| Record Updated | Feb 14, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1235 OAKHAVEN LN, ARCADIA, CA 91006-2436 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Jul 26, 2017 |
| Property Address | 30 ADAM WAY, ATHERTON, CA 94027-3902 |
| Document Number | 0000064469 |
| Map Reference | MAP24 PG64 |
| Instrument Date | Jun 20, 2017 |
| Instrument | 2017-064469 |
| Transaction Type | Transfer |
| Record Updated | Aug 9, 2021 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 30 ADAM WAY, ATHERTON, CA 94027-3902 |
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Jul 26, 2017 |
| Property Address | 30 ADAM WAY, ATHERTON, CA 94027-3902 |
| Document Number | 0000064467 |
| Instrument Date | Jun 20, 2017 |
| Instrument | 64467 |
| Transaction Type | Transfer |
| Record Updated | Nov 20, 2018 |
| Title Company | CHICAGO TITLE COMPANY, CHICAGO TITLE CO |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 9944 LONGVIEW LN PLEASANTON CA 945888207, PLEASANTON, CA 94588-8207 |
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Jul 26, 2017 |
| Property Address | 30 ADAM WAY, ATHERTON, CA 94027-3902 |
| Document Number | 0000064468 |
| Instrument Date | Jun 20, 2017 |
| Instrument | 64468 |
| Transaction Type | Transfer |
| Record Updated | Nov 20, 2018 |
| Title Company | CHICAGO TITLE COMPANY, CHICAGO TITLE CO |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 9944 LONGVIEW LN PLEASANTON CA 945888207, PLEASANTON, CA 94588-8207 |
The 2025 property tax bill for 30 Adam Way was $186,075, up 44.7% from the year before.
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 | $23,200,000 (+38.19%) Land $9,500,000 Building $13,700,000 | ||
| 2025 | $186,075.00 (+44.7%) | $16,788,690 Land $9,391,690 Building $7,397,000 | |
| 2024 | $128,598.00 (+27.04%) | ||
| 2023 | $101,230.00 (+37.01%) | $9,027,000 Land $9,027,000 | $7,105,140 |
| 2022 | $73,885.00 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
FEMA maps place 30 Adam Way in Zone X, an area of minimal flood risk, though there have been 8 flood claims nearby since 1979.
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 | 7 in force |
| Nearby Flood Claims | 8 (1979–2019) |
| Claims Outside the SFHA | 2 of 8 |
| Most Recent Claim | Jan 2019 · other causes |
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 30 Adam Way is low, with less than 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 99.1% of the US · lower than 99.2% of California |
|---|---|
| Wildfire Likelihood | Under 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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