San Bernardino County property record for 1023 E Deerfield St, Ontario, CA 91761
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.75 ba · 3,064 sqft · built 1999 |
| Lot Size | 0.165 acres (7,200 sqft) |
| Owner | Individual Name on File |
| Last Sale | $365,000 (Feb 2010) |
| Tax Bill | $5,242 (2025) |
| Deeds & Mortgages | Sep 2020 Mortgage |
| Flood Zone | Zone D (undetermined) |
| APN | 1051-551-32-0000 |
| Primary APN | 1051-551-32-0000 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 3,064 sqft Living Area |
| Gross Area | 3,636 sqft |
| 1st Floor Area | 1,524 sqft |
| 2nd Floor Area | 1,540 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 | 572 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Patio/Porch |
| Porch Area | 27 sqft |
| Patio Area | 27 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 1023 E DEERFIELD ST |
|---|---|
| City | ONTARIO |
| State | CA |
| Zip | 91761-6816 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 15909 LOT 46 BOOK 270 PAGE 82 |
| Legal Subdivision | N W STOWELLS SUBDIVISION |
| Legal Tract | 15909 |
| Legal Block | 3 |
| Legal Lot Number | 46 |
| Jurisdiction | SAN BERNARDINO CA |
| Township / Civil Division | ONTARIO |
| Census Block Group | 3 |
| Census Block | 3011 |
| Census Tract | 1806 |
1023 E Deerfield St is owned and occupied by an individual who bought it in February 2010.
Source: San Bernardino County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1023 E DEERFIELD ST, ONTARIO, CA 91761-6816 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Sole Owner |
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 | Name on Deed |
|---|---|
| Last Sale | Feb 26, 2010 · Amount on File |
| Deed Sale | Feb 26, 2010 · Amount on File |
| Prior Sale | Jul 29, 2005 · Amount on File |
| Deed Document Number | 201075366 |
| Prior Transfer Date | Feb 25, 2010 |
| Prior Transfer Doc | 0000075365 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN BERNARDINO CA |
| Property Address | 1023 E DEERFIELD ST, ONTARIO, CA 91761-6816 |
| Transaction Type | Mortgage |
| Record Updated | Nov 11, 2022 |
| Title Company | TICOR TITLE |
| Name | Verified Name |
|---|---|
| Address | 1023 E DEERFIELD ST, ONTARIO, CA 91761-6816 |
| Document Number | 0000352427 |
|---|---|
| Date | Sep 18, 2020 |
| Instrument | 2020-0352427 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | OWENSBORO, KY 42301 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 181 Months |
| Due | Oct 1, 2035 |
The 2025 property tax bill for 1023 E Deerfield St was $5,242 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 | Ontario City |
| Unified School District | Chino Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $480,575 (+2%) Land $168,202 Building $312,373 | |
| 2025 | $5,242.00 Homeowner's exemption | $471,152 Land $164,904 Building $306,248 |
| 2023 | $4,958.00 (+0.67%) Homeowner's exemption | $452,857 Land $158,501 Building $294,356 |
| 2022 | $4,925.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1023 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 1023 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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