San Mateo County property record for 57 Middlegate St, Atherton, CA 94027
| Property Type | Single Family Home |
|---|---|
| Details | 1 bd · 1 ba · 1,150 sqft · built 1937 |
| Lot Size | 0.155 acres (6,750 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $2,578 (2025) |
| Deeds & Mortgages | Feb 2019 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 070-102-050 |
| Primary APN | 070-102-050 |
|---|
| Bedrooms | 1 Bed |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Building Area | 1,150 sqft Living Area |
| 1st Floor Area | 1,150 sqft |
| Family Room | Family Room |
| Study | Study |
| Year Built | Built 1937 |
|---|---|
| Effective Year Built | Effective 1937 |
| Lot Area | 6,750 sqft (0.155 acres) |
| Lot Dimensions | 155 ft deep x 50 ft wide |
| Garage Area | 190 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 57 MIDDLEGATE ST |
|---|---|
| City | ATHERTON |
| State | CA |
| Zip | 94027-4009 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1001A |
| Legal Description | LOT 34 SELBY PARK RSM 11/32 33 TOWN OF ATHERTON |
| Legal Subdivision | SELBY PARK |
| Legal Lot Number | 34 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 4 |
| Census Block | 4012 |
| 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 | 2 Company Names on Record |
|---|---|
| Mailing Address | 804 S MARKET ST, CARTHAGE, TX 75633-3010 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Jan 15, 2019 |
| Transfer Doc | 0000010439 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Feb 14, 2019 |
| Property Address | 57 MIDDLEGATE ST, ATHERTON, CA 94027-4009 |
| Document Number | 0000010439 |
| Instrument Date | Jan 15, 2019 |
| Instrument | 10439 |
| Transaction Type | Transfer |
| Record Updated | Mar 1, 2019 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 804 S MARKET ST CARTHAGE TX 756333010, CARTHAGE, TX 75633-3010 |
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 | $123,342 (+2%) Land $42,484 Building $80,858 | ||
| 2025 | $2,578.00 (+4.67%) | $120,924 (+4.04%) Land $41,651 Building $79,273 | |
| 2023 | $2,463.00 (+4.28%) | $116,231 Land $40,035 Building $76,196 | $3,302,100 |
| 2022 | $2,362.00 |
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 95% of the US · lower than 97% of California |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | Direct burnable vegetation |
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 283 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Race Communications Fiber | 10,000 / 10,000 |
| Xfinity Cable | 2,000 / 250 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Etheric Networks, GeoLinks, T-Mobile.
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