San Mateo County property record for 100 Cornelia Dr, Hillsborough, CA 94010
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,490 sqft · built 1953 |
| Lot Size | 0.63 acres (27,420 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $10,879 (2025) |
| Deeds & Mortgages | Dec 2025 Mortgage Dec 2025 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 031-104-280 |
| Primary APN | 031-104-280 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 2,490 sqft Living Area |
| 1st Floor Area | 1,940 sqft |
| Family Room | Family Room |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1953 |
| Lot Area | 27,420 sqft (0.63 acres) |
| Garage Type | Carport |
| Carport | Carport |
| Parking Spaces | 1 Parking Space |
| Cooling System | None |
|---|---|
| Heating System | Central |
| Street Address | 100 CORNELIA DR |
|---|---|
| City | HILLSBOROUGH |
| State | CA |
| Zip | 94010-7032 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10025 |
| Legal Description | BEING PTN OF LOT 3 & PTN OF CORNELIA DR ABAND HILLSBOROUGH VISTA NO 2 RSM 36/15 |
| Legal Subdivision | HILLSBOROUGH VISTA NO 2 |
| Legal Lot Number | 3 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 4 |
| Census Block | 4017 |
| 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 | 2 Company Names on Record |
|---|---|
| Mailing Address | 100 CORNELIA DR, HILLSBOROUGH, CA 94010-7032 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Dec 29, 2025 | Deed of Trust, Mortgage · Conventional Mortgage MONTERRA CREDIT UNION |
| Dec 29, 2025 | Deed of Trust, Mortgage · Line of Credit MONTERRA CREDIT UNION |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Apr 28, 1998 |
| Transfer Doc | 0000089906 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 100 CORNELIA DR, HILLSBOROUGH, CA 94010-7032 |
| Transaction Type | Mortgage |
| Record Updated | Jan 22, 2026 |
| Title Company | CHICAGO TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 100 CORNELIA DR, HILLSBOROUGH, CA 94010-7032 |
| Document Number | 0000071371 |
|---|---|
| Date | Dec 29, 2025 |
| Instrument | 2025-071371 |
| Name | MONTERRA CREDIT UNION |
|---|---|
| Type | Credit Union |
| Address | CUPERTINO, CA 95014 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jan 1, 2056 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 5.62% |
| Type Change Date | Jan 1, 2031 |
| Change Frequency | Annually |
| Min Rate At Change | 3.62% |
| Max Rate At Change | 7.62% |
| Index | 1-Year T-Bill |
| Max Rate | 10.6% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 100 CORNELIA DR, HILLSBOROUGH, CA 94010-7032 |
| Transaction Type | Mortgage |
| Record Updated | Jan 22, 2026 |
| Title Company | CHICAGO TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 100 CORNELIA DR, HILLSBOROUGH, CA 94010-7032 |
| Document Number | 0000071372 |
|---|---|
| Date | Dec 29, 2025 |
| Instrument | 2025-071372 |
| Name | MONTERRA CREDIT UNION |
|---|---|
| Type | Credit Union |
| Address | REDWOOD CITY, CA 94063 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 300 Months |
| Due | Dec 22, 2050 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
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 | $516,666 (+2%) Land $315,684 Building $200,982 | ||
| 2025 | $10,879.00 (+5.24%) Homeowner's exemption | $506,537 (+4.04%) Land $309,495 Building $197,042 | |
| 2023 | $10,337.00 (+4%) Homeowner's exemption | $486,870 Land $297,478 Building $189,392 | $3,203,550 |
| 2022 | $9,939.00 |
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 |
|---|---|
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 96% of the US · lower than 97.4% 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 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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