San Mateo County property record for 66 Gresham Ln, Atherton, CA 94027 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3.5 ba · 4,340 sqft · built 1965 |
| Lot Size | 1.02 acres (44,840 sqft) |
| Owner | Individual Name on File |
| Last Sale | $2,940,000 (Jun 1999) |
| Tax Bill | $51,607 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 059-303-340 |
| Primary APN | 059-303-340 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 11 Rooms |
| Stories | 1 Story |
| Building Area | 4,340 sqft Living Area |
| 1st Floor Area | 2,140 sqft |
| Family Room | Family Room |
| Study | Study |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1965 |
|---|---|
| Effective Year Built | Effective 1965 |
| Architectural Style | Ranch |
| Exterior Material | Wood Siding |
| Construction Type | Wood |
| Roof Material | Wood Shingle |
| Lot Area | 44,840 sqft |
| Lot Dimensions | 6,784 ft deep x 6,784 ft wide |
| Garage Area | 740 sqft |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 66 GRESHAM LN |
|---|---|
| City | ATHERTON |
| State | CA |
| Zip | 94027-3918 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 13 ATHERTON MANOR RSM 49/45 TOWN OF ATHERTON |
| Legal Subdivision | ATHERTON MANOR |
| Legal Tract | A |
| Legal Lot Number | 13 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 4 |
| Census Block | 4002 |
| Census Tract | 611400 |
Source: San Mateo County records · APN 059-303-340
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 | 66 GRESHAM LN, ATHERTON, CA 94027-3918 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Surviving Spouse |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jun 02, 1999 · Amount on Record |
| Deed Sale | Jun 02, 1999 · Amount on Record |
| Prior Sale | Mar 14, 1994 · Amount on Record |
| Deed Document Number | 199997699 |
| Last Transfer Date | Dec 16, 2024 |
| Transfer Doc | 0000068757 |
| Record Updated | Sep 20, 2026 |
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 | Redwood 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 | $4,701,286 (+2%) Land $2,350,643 Building $2,350,643 | ||
| 2025 | $51,607.00 (+2.8%) Homeowner's exemption | $4,609,104 (+4.04%) Land $2,304,552 Building $2,304,552 | |
| 2023 | $50,201.00 (+4.94%) Homeowner's exemption | $4,430,128 Land $2,215,064 Building $2,215,064 | $6,845,850 |
| 2022 | $47,836.00 |
Source: FEMA National Flood Hazard Layer, San Mateo County (06081C), updated September 10, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060816114004, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| 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 |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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, availability as of December 31, 2025 · Published October 2026 · based on 487 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 250 |
| Verizon | Fixed Wireless | 300 / 20 |
| Etheric Communications, LLC. | Fixed Wireless (licensed-by-rule) | 250 / 100 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: Race Telecommunications, AT&T, Radiate Holdings, California Internet, Sonic Telecom. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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