San Mateo County property record for 85 Middlegate St, Atherton, CA 94027
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3.5 ba · 2,050 sqft · built 1929 |
| Lot Size | 0.152 acres (6,616 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $12,202 (2025) |
| Deeds & Mortgages | Apr 2021 Mortgage Apr 2021 Transfer + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 070-102-040 |
| Primary APN | 070-102-040 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,050 sqft Living Area |
| Gross Area | 3,040 sqft |
| 1st Floor Area | 780 sqft |
| Basement Area | 990 sqft |
| Family Room | Family Room |
| Year Built | Built 1929 |
|---|---|
| Effective Year Built | Effective 1929 |
| Exterior Material | Stucco |
| Roof Material | Composition Shingle |
| Lot Area | 6,616 sqft (0.152 acres) |
| Lot Dimensions | 135 ft deep x 50 ft wide |
| View / Lot | Corner |
| Garage Area | 330 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 85 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 35 SELBY PARK RSM 11/32 33 TOWN OF ATHERTON |
| Legal Subdivision | SELBY PARK |
| Legal Lot Number | 35 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 4 |
| Census Block | 4012 |
| Census Tract | 611400 |
Source: San Mateo County assessment roll, 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 File |
|---|---|
| Mailing Address | 85 MIDDLEGATE ST, ATHERTON, CA 94027-4009 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Apr 13, 2021 | Intrafamily Transfer, Transfer · Conventional Mortgage WEST ONE CAPITAL GROUP INC |
| Apr 13, 2021 | Intrafamily Transfer, Transfer NORTH AMERICAN TITLE COMPANY |
| Feb 13, 2020 | Deed of Trust, Mortgage · Line of Credit FIRST REPUBLIC BANK |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Mar 25, 2021 |
| Transfer Doc | 0000058554 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Apr 13, 2021 |
| Property Address | 85 MIDDLEGATE ST, ATHERTON, CA 94027-4009 |
| Document Number | 0000058552 |
| Map Reference | MB 11 PG 32&33 |
| Instrument Date | Mar 25, 2021 |
| Instrument | 2021-058552 |
| Transaction Type | Transfer |
| Record Updated | May 13, 2021 |
| Title Company | NORTH AMERICAN TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 85 MIDDLEGATE ST, ATHERTON, CA 94027-4009 |
| Document Number | 0000058553 |
|---|---|
| Date | Apr 13, 2021 |
| Instrument | 2021-058553 |
| Name | WEST ONE CAPITAL GROUP INC |
|---|---|
| Type | Non-Lending Institution |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Apr 1, 2051 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Apr 13, 2021 |
| Property Address | 85 MIDDLEGATE ST, ATHERTON, CA 94027-4009 |
| Document Number | 0000058554 |
| Map Reference | MB 11 PG 32&33 |
| Instrument Date | Mar 25, 2021 |
| Instrument | 2021-058554 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Title Company | NORTH AMERICAN TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 85 MIDDLEGATE ST, ATHERTON, CA 94027-4009 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 85 MIDDLEGATE ST, ATHERTON, CA 94027-4009 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | NORTH AMERICAN TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000012248 |
|---|---|
| Date | Feb 13, 2020 |
| Instrument | 2020-012248 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Address | SAN FRANCISCO, CA 94111 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 300 Months |
| Due | Feb 26, 2045 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
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 | $1,027,730 (+2%) Land $425,876 Building $601,854 | ||
| 2025 | $12,202.00 (+3.13%) Homeowner's exemption | $1,007,579 (+4.04%) Land $417,526 Building $590,053 | |
| 2023 | $11,832.00 (+4.85%) Homeowner's exemption | $968,456 Land $401,314 Building $567,142 | $3,980,430 |
| 2022 | $11,285.00 |
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 at the parcel |
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 Telecommunications 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: California Internet, Etheric Communications, LLC., T-Mobile USA.
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