San Mateo County property record for 928 Hayne Rd, Hillsborough, CA 94010
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 4.5 ba · 6,370 sqft · built 1930 |
| Lot Size | 0.634 acres (27,600 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $1,080,000 (Feb 1996) |
| Tax Bill | $26,131 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 031-110-130 |
| Primary APN | 031-110-130 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 6,370 sqft Living Area |
| 1st Floor Area | 2,580 sqft |
| 2nd Floor Area | 1,940 sqft |
| Basement Area | 1,850 sqft |
| Finished Basement | 1,850 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1930 |
|---|---|
| Effective Year Built | Effective 1930 |
| Architectural Style | Spanish |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Material | Tile |
| Lot Area | 27,600 sqft (0.634 acres) |
| Lot Dimensions | 170 ft deep x 154 ft wide |
| Garage Area | 450 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 928 HAYNE RD |
|---|---|
| City | HILLSBOROUGH |
| State | CA |
| Zip | 94010-7038 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10025 |
| Legal Description | 121 FT ON HAYNE RD PTN OF LOTS 2 3 MAP OF LOT 10B BOWIE EST NO 1 RSM 17/8 9 TOWN OF HILLSBOROUGH |
| Legal Subdivision | BOWIE EST NO 1 |
| Legal Lot Number | 2,10B |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 4 |
| Census Block | 4011 |
| Census Tract | 605700 |
928 Hayne Rd is owner-occupied and held in a trust since February 1996.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 928 HAYNE RD, HILLSBOROUGH, CA 94010-7038 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | 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 Sale | Feb 27, 1996 · Amount on File |
| Deed Sale | Feb 27, 1996 · Amount on File |
| Prior Sale | Dec 31, 1993 · Amount on File |
| Deed Document Number | 199621776 |
| Prior Transfer Date | Sep 28, 1993 |
| Prior Transfer Doc | 0000167808 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 928 Hayne Rd was $26,131.
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 | $5,410,080 (+201.54%) Land $4,161,600 Building $1,248,480 | ||
| 2025 | $26,131.00 | $1,794,162 Land $897,081 Building $897,081 | |
| 2023 | $25,072.00 (+4.1%) | $1,724,496 Land $862,248 Building $862,248 | $5,939,370 |
| 2022 | $24,084.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 928 Hayne Rd in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 1983.
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 (1983–2022) |
| Claims Outside the SFHA | 3 of 3 |
| Most Recent Claim | Dec 2022 · 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.
Wildfire risk around 928 Hayne Rd is low, with a 0.01% 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 | 0.01% 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 189 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Starlink Satellite | 280 / 30 |
May also be available: Etheric Networks.
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