San Mateo County property record for 4 Windsor Dr, Hillsborough, CA 94010
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,985 sqft · built 1949 |
| Lot Size | 0.501 acres (21,843 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $1,699,000 (Sep 2019) |
| Tax Bill | $61,162 (2025) |
| Deeds & Mortgages | Mar 2021 Mortgage Dec 2018 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 028-160-320 |
| Primary APN | 028-160-320 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 2,985 sqft Living Area |
| 1st Floor Area | 2,780 sqft |
| Family Room | Family Room |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1949 |
| Lot Area | 21,843 sqft (0.501 acres) |
| Garage Area | 500 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 4 WINDSOR DR |
|---|---|
| City | HILLSBOROUGH |
| State | CA |
| Zip | 94010-6359 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10025 |
| Legal Description | LOT 19 LESS NE STRIP 10 FT X 50.09 FT X 140.96 FT NEWHALL MANOR RSM 22/39 TOWN OF HILLSBOROUGH |
| Legal Subdivision | NEWHALL MANOR |
| Legal Lot Number | 19 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 605600 |
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 | 4 WINDSOR DR, HILLSBOROUGH, CA 94010-6359 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Mar 23, 2021 | Deed of Trust, Mortgage · Conventional Mortgage HOMEBRIDGE FINANCIAL SERVICES INC |
| Dec 14, 2018 | Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Jul 18, 2019 | Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 9, 2019 · Amount on Record |
| Deed Sale | Sep 9, 2019 · Amount on Record |
| Prior Sale | Jun 30, 2014 · Amount on Record |
| Deed Document Number | 201972920 |
| Prior Transfer Date | Jul 24, 2014 |
| Prior Transfer Doc | 0000069882 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 4 WINDSOR DR, HILLSBOROUGH, CA 94010-6359 |
| Transaction Type | Mortgage |
| Record Updated | Apr 27, 2021 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 4 WINDSOR DR, HILLSBOROUGH, CA 94010-6359 |
| Document Number | 0000046490 |
|---|---|
| Date | Mar 23, 2021 |
| Instrument | 2021-046490 |
| Name | HOMEBRIDGE FINANCIAL SERVICES INC |
|---|---|
| Type | Mortgage Company |
| Address | ISELIN, NJ 08830 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Apr 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 4 WINDSOR DR, HILLSBOROUGH, CA 94010-6359 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000097681 |
|---|---|
| Date | Dec 14, 2018 |
| Instrument | 2018-097681 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jan 1, 2049 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 4 WINDSOR DR, HILLSBOROUGH, CA 94010-6359 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000055876 |
|---|---|
| Date | Jul 18, 2019 |
| Instrument | 2019-055876 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Aug 1, 2049 |
Source: San Mateo County assessment roll, as of July 15, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Mateo County |
| Municipality | Hillsborough Town |
| Elementary School District | Hillsborough City Elementary School District (KG - 08) |
| Secondary School District | San Mateo Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $5,031,822 (+2%) Land $3,626,101 Building $1,405,721 | ||
| 2025 | $61,162.00 (+3.78%) Homeowner's exemption | $4,933,160 (+4.04%) Land $3,555,001 Building $1,378,159 | |
| 2023 | $58,932.00 (+4.26%) Homeowner's exemption | $4,741,602 Land $3,416,957 Building $1,324,645 | $4,831,830 |
| 2022 | $56,523.00 |
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 | 4 in force |
| Nearby Flood Claims | 3 (1998–2023) |
| Claims Outside the SFHA | 3 of 3 |
| Most Recent Claim | Jan 2023 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
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 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 | TOWN OF HILLSBOROUGH serves 11,766 people · EPA ID CA4110016 |
|---|---|
| Water Source | Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM |
| Last State Inspection | Mar 2026 |
| Lead | Under 1 ppb (2023–2025) 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 364 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Etheric Networks, GeoLinks, Sonic Telecom, T-Mobile.
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