San Mateo County property record for 525 Darrell Rd, Hillsborough, CA 94010
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 3,892 sqft · built 1951 |
| Lot Size | 0.681 acres (29,643 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $1,850,000 (Mar 2011) |
| Tax Bill | $37,599 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 030-041-070 |
| Primary APN | 030-041-070 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 3,892 sqft Living Area |
| Gross Area | 4,432 sqft |
| 1st Floor Area | 2,940 sqft |
| Basement Area | 540 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1951 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 29,643 sqft (0.681 acres) |
| Lot Dimensions | 160 ft deep x 180 ft wide |
| Garage Type | Basement |
| Garage Area | 540 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 525 DARRELL RD |
|---|---|
| City | HILLSBOROUGH |
| State | CA |
| Zip | 94010-6711 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10025 |
| Legal Description | LOT 16 BLOCK 2 CAROLANDS PARK MAP NO 3 RSM 32/4 5 TOWN OF HILLSBOROUGH |
| Legal Subdivision | CAROLANDS PARK MAP NO 3 |
| Legal Block | 2 |
| Legal Lot Number | 16 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 4 |
| Census Block | 4031 |
| Census Tract | 605600 |
525 Darrell Rd is owner-occupied and held in a trust since March 2011.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 525 DARRELL RD, HILLSBOROUGH, CA 94010-6711 |
| 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 | Mar 18, 2011 · Amount on File |
| Deed Sale | Mar 18, 2011 · Amount on File |
| Deed Document Number | 201131826 |
| Prior Transfer Date | Jan 6, 1994 |
| Prior Transfer Doc | 0000005172 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 525 Darrell Rd was $37,599 with a homeowner's exemption.
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 | $2,883,035 (+2%) Land $1,764,177 Building $1,118,858 | ||
| 2025 | $37,599.00 Homeowner's exemption | $2,826,507 Land $1,729,586 Building $1,096,921 | |
| 2023 | $36,155.00 (+4.19%) Homeowner's exemption | $2,716,753 Land $1,662,425 Building $1,054,328 | $3,038,040 |
| 2022 | $34,701.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 525 Darrell Rd in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1997.
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 |
| Nearby Flood Claims | 2 (1997–2001) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Mar 2001 · rainfall accumulation |
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 525 Darrell Rd is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 36 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Etheric Networks.
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