San Bernardino County property record for 10248 del Mar Ave, Montclair, CA 91763
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,759 sqft · built 1950 |
| Lot Size | 0.2 acres (8,700 sqft) |
| Owner | Individual Name on File |
| Last Sale | $485,000 (Sep 2019) |
| Tax Bill | $5,829 (2025) |
| Deeds & Mortgages | Oct 2020 Mortgage Sep 2019 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 1010-401-39-0000 |
| Primary APN | 1010-401-39-0000 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 1,759 sqft Living Area |
| Gross Area | 1,999 sqft |
| 1st Floor Area | 1,759 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1965 |
| Architectural Style | Conventional |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 8,700 sqft (0.2 acres) |
| Lot Dimensions | 145 ft deep x 60 ft wide |
| Garage Type | Attached |
| Garage Area | 240 sqft |
| Parking Spaces | 1 Parking Space |
| Pool Type | Spa / Hot Tub (No Pool) |
|---|---|
| Porch | Patio/Porch |
| Porch Area | 433 sqft |
| Patio Area | 308 sqft |
| Cooling System | None |
|---|---|
| Heating System | Floor/Wall Furnace |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 10248 DEL MAR AVE |
|---|---|
| City | MONTCLAIR |
| State | CA |
| Zip | 91763-3909 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 3303 LOT 23 |
| Legal Subdivision | TRACT NO 3303 |
| Legal Tract | 3303 |
| Legal Block | 1 |
| Legal Lot Number | 23 |
| Jurisdiction | SAN BERNARDINO CA |
| Township / Civil Division | ONTARIO |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 208 |
10248 del Mar Ave is owned and occupied by an individual who bought it in September 2019.
Source: San Bernardino County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 10248 DEL MAR AVE, MONTCLAIR, CA 91763-3909 |
| 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.
| Date | Document |
|---|---|
| Oct 21, 2020 | Deed of Trust, Mortgage · Conventional Mortgage BETTER MTG CORP ISAOA |
| Sep 27, 2019 | Grant Deed, Transfer · Conventional Mortgage SIERRA PACIFIC MORTGAGE CO INC |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 27, 2019 · Amount on File |
| Deed Sale | Sep 27, 2019 · Amount on File |
| Prior Sale | Mar 30, 2016 · Amount on File |
| Deed Document Number | 2019347630 |
| Prior Transfer Date | Dec 18, 2015 |
| Prior Transfer Doc | 0000556922 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN BERNARDINO CA |
| Property Address | 10248 DEL MAR AVE, MONTCLAIR, CA 91763-3909 |
| Document Number | 0000425913 |
| Instrument Date | Oct 21, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Nov 16, 2020 |
| Title Company | OTHER |
| Name | Verified Name |
|---|---|
| Address | 10248 DEL MAR AVE MONTCLAIR CA 917633909, MONTCLAIR, CA 91763-3909 |
| Document Number | 0000425913 |
|---|---|
| Date | Oct 30, 2020 |
| Instrument | 425913 |
| Name | BETTER MTG CORP ISAOA |
|---|---|
| Address | NEW YORK, NY 10271 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Oct 29, 2050 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN BERNARDINO CA |
| Recording Date | Sep 27, 2019 |
| Property Address | 10248 DEL MAR AVE, MONTCLAIR, CA 91763-3909 |
| Document Number | 0000347630 |
| Map Reference | MB 44 PG 30&31 |
| Instrument Date | Aug 30, 2019 |
| Instrument | 2019-0347630 |
| Transaction Type | Transfer |
| Record Updated | Aug 31, 2021 |
| Title Company | LAWYERS TITLE LA |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 10248 DEL MAR AVE, MONTCLAIR, CA 91763-3909 |
| Document Number | 0000347631 |
|---|---|
| Date | Sep 27, 2019 |
| Instrument | 2019-0347631 |
| Name | SIERRA PACIFIC MORTGAGE CO INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Oct 1, 2049 |
The 2025 property tax bill for 10248 del Mar Ave was $5,829.
Source: San Bernardino County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Bernardino County |
| Municipality | Montclair City |
| Secondary School District | Chaffey Joint Union High School District (09 - 12) |
| Elementary School District | Ontario-Montclair School District (KG - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $541,027 (+2%) Land $189,360 Building $351,667 | |
| 2025 | $5,829.00 | $530,419 Land $185,647 Building $344,772 |
| 2023 | $5,537.00 (+1.34%) | $509,822 Land $178,438 Building $331,384 |
| 2022 | $5,464.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 10248 del Mar Ave 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 10248 del Mar Ave 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 | MONTE VISTA WD serves 56,390 people · EPA ID CA3610029 |
|---|---|
| Water Source | Purchased surface water from several systems |
| 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 699 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 7,000 / 7,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Verizon.
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