San Bernardino County property record for 1031 E Deerfield St, Ontario, CA 91761
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.75 ba · 2,686 sqft · built 1999 |
| Lot Size | 0.165 acres (7,200 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $230,500 (Jun 1999) |
| Tax Bill | $4,095 (2025) |
| Flood Zone | Zone D (undetermined) |
| APN | 1051-551-31-0000 |
| Primary APN | 1051-551-31-0000 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 2,686 sqft Living Area |
| Gross Area | 3,275 sqft |
| 1st Floor Area | 1,401 sqft |
| 2nd Floor Area | 1,285 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1999 |
|---|---|
| Effective Year Built | Effective 1999 |
| Architectural Style | Modern |
| Construction Type | Frame |
| Roof Material | Tile |
| Lot Area | 7,200 sqft (0.165 acres) |
| Lot Dimensions | 120 ft deep x 60 ft wide |
| Garage Type | Attached |
| Garage Area | 589 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Patio/Porch |
| Porch Area | 36 sqft |
| Patio Area | 36 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 1031 E DEERFIELD ST |
|---|---|
| City | ONTARIO |
| State | CA |
| Zip | 91761-6816 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 15909 LOT 45 BOOK 270 PAGE 82 |
| Legal Tract | 15909 |
| Legal Block | 3 |
| Legal Lot Number | 45 |
| Jurisdiction | SAN BERNARDINO CA |
| Township / Civil Division | ONTARIO |
| Census Block Group | 3 |
| Census Block | 3011 |
| Census Tract | 1806 |
1031 E Deerfield St is owned and occupied by two individuals who bought it in June 1999.
Source: San Bernardino County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 1031 E DEERFIELD ST, ONTARIO, CA 91761-6816 |
| 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 | Jun 8, 1999 · Amount on File |
| Deed Sale | Jun 8, 1999 · Amount on File |
| Deed Document Number | 1999244832 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 1031 E Deerfield St was $4,095.
Source: San Bernardino County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Bernardino County |
| Municipality | Ontario City |
| Unified School District | Chino Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $367,955 (+2%) Land $127,928 Building $240,027 | |
| 2025 | $4,095.00 | $360,741 Land $125,420 Building $235,321 |
| 2023 | $3,876.00 (+0.68%) | $346,733 Land $120,550 Building $226,183 |
| 2022 | $3,850.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1031 E Deerfield St in Zone D, where flood risk has not been studied.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone D undetermined · not studied |
|---|---|
| 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 1031 E Deerfield St 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 | ONTARIO MUNICIPAL UTILITIES COMPANY serves 185,010 people · EPA ID CA3610034 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Jul 2025 |
| 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.
Source: FCC Broadband Data Collection, based on 617 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 7,000 / 7,000 |
| Spectrum Cable | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Inyo Networks, Verizon.
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