San Mateo County property record for 25 Cornelia Dr, Hillsborough, CA 94010
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 3,300 sqft · built 1952 |
| Lot Size | 0.421 acres (18,339 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $998,000 (Oct 1997) |
| Tax Bill | $9,926 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 031-101-080 |
| Primary APN | 031-101-080 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 3,300 sqft Living Area |
| Gross Area | 4,290 sqft |
| 1st Floor Area | 2,170 sqft |
| Basement Area | 2,120 sqft |
| Finished Basement | 1,130 sqft |
| Unfinished Basement | 990 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1952 |
| Architectural Style | Ranch |
| Exterior Material | Wood |
| Construction Type | Wood |
| Roof Material | Wood Shingle |
| Lot Area | 18,339 sqft (0.421 acres) |
| View / Lot | Corner |
| Garage Type | Basement |
| Garage Area | 990 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 25 CORNELIA DR |
|---|---|
| City | HILLSBOROUGH |
| State | CA |
| Zip | 94010-7029 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10025 |
| Legal Description | LOT 5 HILLSBOROUGH VISTA RSM 25/3 TOWN OF HILLSBOROUGH |
| Legal Subdivision | HILLSBOROUGH VISTA |
| Legal Lot Number | 5 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 4 |
| Census Block | 4017 |
| Census Tract | 605700 |
25 Cornelia Dr is held in a trust since January 2012.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 942 CHULA VISTA AVE, BURLINGAME, CA 94010-3655 |
| 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 | Oct 15, 1997 · Amount on File |
| Deed Sale | Oct 15, 1997 · Amount on File |
| Prior Sale | Nov 9, 1994 · Amount on File |
| Deed Document Number | 1997133057 |
| Last Transfer Date | Jan 12, 2012 |
| Transfer Doc | 0000019542 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 25 Cornelia Dr was $9,926.
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 | $352,267 (+2%) Land $134,531 Building $217,736 | ||
| 2025 | $9,926.00 | $345,361 Land $131,894 Building $213,467 | |
| 2023 | $9,410.00 (+3.65%) | $331,952 Land $126,773 Building $205,179 | $2,823,840 |
| 2022 | $9,079.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 25 Cornelia Dr 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 25 Cornelia Dr 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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