San Mateo County property record for 4 Arthur Ln, Atherton, CA 94027
| Property Type | Single Family Home |
|---|---|
| Details | 1 bd · 1 ba · 640 sqft · built 1959 |
| Lot Size | 1.65 acres (72,024 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,625,000 (Jun 1996) |
| Tax Bill | $37,061 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 059-140-110 |
| Primary APN | 059-140-110 |
|---|
| Bedrooms | 1 Bed |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 640 sqft Living Area |
| 1st Floor Area | 640 sqft |
| Family Room | Family Room |
| Year Built | Built 1959 |
|---|---|
| Effective Year Built | Effective 1959 |
| Lot Area | 72,024 sqft |
| Lot Dimensions | 6,784 ft deep x 6,784 ft wide |
| Garage Type | Attached |
| Garage Area | 690 sqft |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 4 ARTHUR LN |
|---|---|
| City | ATHERTON |
| State | CA |
| Zip | 94027-3916 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1001A |
| Legal Description | LOT 3 ARTHUR LANE SUB RSM 28/19 TOWN OF ATHERTON |
| Legal Subdivision | ARTHUR LANE SUB |
| Legal Lot Number | 3 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 4 |
| Census Block | 4004 |
| Census Tract | 611400 |
Source: San Mateo County records, as of July 15, 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 | 4 ARTHUR LN, ATHERTON, CA 94027-3916 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 12, 1996 · Amount on Record |
| Deed Sale | Jun 12, 1996 · Amount on Record |
| Deed Document Number | 199669945 |
| Last Transfer Date | Jun 18, 1996 |
| Transfer Doc | 0000077993 |
| Record Updated | Oct 29, 2026 |
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 | $3,345,256 (+2%) Land $1,376,779 Building $1,968,477 | ||
| 2025 | $37,061.00 (+2.84%) Homeowner's exemption | $3,279,664 (+4.04%) Land $1,349,784 Building $1,929,880 | |
| 2023 | $36,037.00 (+4.93%) Homeowner's exemption | $3,152,313 Land $1,297,371 Building $1,854,942 | $4,099,410 |
| 2022 | $34,344.00 |
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 | 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.
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 | 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 662 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: Race Communications, Sonic Telecom, T-Mobile, Verizon.
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