San Mateo County property record for 4 Glenbrook Dr, Hillsborough, CA 94010
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 2,830 sqft · built 1953 |
| Lot Size | 0.641 acres (27,934 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $45,629 (2025) |
| Deeds & Mortgages | Jul 2026 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 038-191-060 |
| Primary APN | 038-191-060 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 2,830 sqft Living Area |
| 1st Floor Area | 2,210 sqft |
| Basement Area | 620 sqft |
| Finished Basement | 620 sqft |
| Family Room | Family Room |
| Fireplaces | 2 Fireplaces |
| Fireplace | Fireplace |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1953 |
| Architectural Style | Ranch |
| Exterior Material | Wood Siding |
| Roof Material | Wood Shingle |
| Lot Area | 27,934 sqft (0.641 acres) |
| View / Lot | Corner |
| Garage Area | 470 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 4 GLENBROOK DR |
|---|---|
| City | HILLSBOROUGH |
| State | CA |
| Zip | 94010-7409 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10025 |
| Legal Description | SLY PTN OF LOT 89 RESUB OF LOTS 6 TO 34 BAYWOOD HIGHLANDS RSM 25/52 53 TOWN OF HILLSBOROUGH |
| Legal Subdivision | BAYWOOD HIGHLANDS |
| Legal Lot Number | 6 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2009 |
| Census Tract | 605700 |
4 Glenbrook Dr is held in a trust since May 1999.
Source: San Mateo County records, as of August 31, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 12642 RUE SIENNE NORD, SAN DIEGO, CA 92131-2225 |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | May 5, 1999 |
| Transfer Doc | 0000082900 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Jul 15, 2026 |
| Property Address | 4 GLENBROOK DR, HILLSBOROUGH, CA 94010-7409 |
| Document Number | 0000040264 |
| Instrument Date | Jun 9, 2026 |
| Instrument | 202640264 |
| Transaction Type | Transfer |
| Record Updated | Aug 31, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 12642 RUE SIENNE NORD, SAN DIEGO, CA 92131-2225 |
The 2025 property tax bill for 4 Glenbrook Dr was $45,629.
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 | $3,608,106 (+2%) Land $3,008,524 Building $599,582 | ||
| 2025 | $45,629.00 | $3,537,360 Land $2,949,534 Building $587,826 | |
| 2023 | $43,926.00 (+446.89%) | $3,400,000 Land $2,835,000 Building $565,000 | $4,118,940 |
| 2022 | $8,032.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4 Glenbrook Dr in Zone X, an area of minimal flood risk.
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 | 5 in force |
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.
Wildfire risk around 4 Glenbrook Dr is low, with a 0.03% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 94% of the US · lower than 96% of California |
|---|---|
| Wildfire Likelihood | 0.03% 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 | 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 111 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: AT&T, Verizon.
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