San Bernardino County property record for 7321 Cornerstone Ln, Fontana, CA 92336
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 1,981 sqft · built 1991 |
| Lot Size | 0.165 acres (7,200 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $298,000 (Aug 2010) |
| Tax Bill | $5,342 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1110-031-10-0000 |
| Primary APN | 1110-031-10-0000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 1,981 sqft Living Area |
| Gross Area | 2,610 sqft |
| 1st Floor Area | 1,209 sqft |
| 2nd Floor Area | 772 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1991 |
|---|---|
| Effective Year Built | Effective 1991 |
| Architectural Style | Modern |
| Construction Type | Frame |
| Roof Material | Tile |
| Lot Area | 7,200 sqft (0.165 acres) |
| Garage Type | Attached |
| Garage Area | 629 sqft |
| Parking Spaces | 2 Parking Spaces |
| Pool Type | Pool with Hot Tub/Spa |
|---|---|
| Porch | Patio/Porch |
| Porch Area | 507 sqft |
| Patio Area | 507 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 7321 CORNERSTONE LN |
|---|---|
| City | FONTANA |
| State | CA |
| Zip | 92336-1679 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 13954 LOT 10 |
| Legal Subdivision | SECTION 13954 |
| Legal Tract | 13954 |
| Legal Block | 2 |
| Legal Lot Number | 10 |
| Jurisdiction | SAN BERNARDINO CA |
| Township / Civil Division | SAN BERNARDINO |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 2312 |
7321 Cornerstone Ln is owned and occupied by two individuals who acquired it in November 2013.
Source: San Bernardino County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 7321 CORNERSTONE LN, FONTANA, CA 92336-1679 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | Aug 18, 2010 · Amount on File |
| Deed Sale | Aug 18, 2010 · Amount on File |
| Prior Sale | Aug 18, 2010 |
| Deed Document Number | 2010335524 |
| Last Transfer Date | Nov 15, 2013 |
| Transfer Doc | 0000509160 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 7321 Cornerstone Ln was $5,342 with a homeowner's exemption.
Source: San Bernardino County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Bernardino County |
| Municipality | Fontana City |
| Unified School District | Fontana Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $394,840 (+2%) Land $78,408 Building $316,432 | |
| 2025 | $5,342.00 Homeowner's exemption | $387,098 Land $76,871 Building $310,227 |
| 2023 | $4,418.00 (+2.03%) Homeowner's exemption | $372,066 Land $73,886 Building $298,180 |
| 2022 | $4,330.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 7321 Cornerstone Ln in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 7321 Cornerstone Ln has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 | SAN GABRIEL VALLEY WC - FONTANA private · serves 228,270 people · EPA ID CA3610041 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Apr 2022 |
| Lead | Under 1 ppb (2022–2024) 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 844 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Frontier.
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