San Mateo County property record for 509 Roehampton Rd, Hillsborough, CA 94010
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4.5 ba · 4,530 sqft · built 1939 |
| Lot Size | 0.477 acres (20,758 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $38,873 (2025) |
| Deeds & Mortgages | Nov 2019 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 031-220-340 |
| Primary APN | 031-220-340 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 4,530 sqft Living Area |
| Gross Area | 5,190 sqft |
| 1st Floor Area | 2,240 sqft |
| 2nd Floor Area | 1,690 sqft |
| Basement Area | 330 sqft |
| Family Room | Family Room |
| Study | Study |
| Year Built | Built 1939 |
|---|---|
| Effective Year Built | Effective 1939 |
| Lot Area | 20,758 sqft (0.477 acres) |
| Lot Dimensions | 162 ft deep x 132 ft wide |
| Garage Type | Attached |
| Garage Area | 330 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 509 ROEHAMPTON RD |
|---|---|
| City | HILLSBOROUGH |
| State | CA |
| Zip | 94010-6853 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10025 |
| Legal Description | ARB LOT 15 PER ASSESSORS MAP OF HOWARD 12 AC TR TOWN OF HILLSBOROUGH |
| Legal Subdivision | HOWARD 12 AC TR |
| Legal Lot Number | 15 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 605700 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 509 ROEHAMPTON RD, HILLSBOROUGH, CA 94010-6853 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Nov 12, 2019 |
| Transfer Doc | 0000099296 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Nov 25, 2019 |
| Property Address | 509 ROEHAMPTON RD, HILLSBOROUGH, CA 94010-6853 |
| Document Number | 0000099296 |
| Instrument Date | Nov 12, 2019 |
| Instrument | 99296 |
| Transaction Type | Transfer |
| Record Updated | Dec 11, 2019 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 509 ROEHAMPTON RD HILLSBOROUGH CA 940106853, HILLSBOROUGH, CA 94010-6853 |
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 | $2,992,077 (+2%) Land $1,339,271 Building $1,652,806 | ||
| 2025 | $38,873.00 (+3.97%) | $2,933,410 (+4.04%) Land $1,313,011 Building $1,620,399 | |
| 2023 | $37,389.00 (+4.19%) | $2,819,504 Land $1,262,026 Building $1,557,478 | $5,209,020 |
| 2022 | $35,885.00 |
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 17 policies |
| Nearby Flood Policies | 17 in force |
| Nearby Flood Claims | 5 (1992–1998) |
| Claims Outside the SFHA | 4 of 5 |
| Most Recent Claim | May 1998 · tidal / storm surge |
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 98% of the US · lower than 98.4% 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 333 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 |
| Astound Broadband Cable | 1,500 / 50 |
May also be available: Etheric Networks, Sonic Telecom, T-Mobile, Verizon.
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