San Bernardino County property record for 10418 Helena Ave, Montclair, CA 91763
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,464 sqft · built 1988 |
| Lot Size | 0.117 acres (5,100 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $697,500 (Nov 2024) |
| Tax Bill | $7,658 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1009-461-37-0000 |
| Primary APN | 1009-461-37-0000 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,464 sqft Living Area |
| Gross Area | 1,911 sqft |
| 1st Floor Area | 834 sqft |
| 2nd Floor Area | 630 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1988 |
|---|---|
| Effective Year Built | Effective 1988 |
| Architectural Style | Modern |
| Construction Type | Frame |
| Roof Material | Tile |
| Lot Area | 5,100 sqft (0.117 acres) |
| View / Lot | Average |
| Garage Type | Attached |
| Garage Area | 447 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Patio/Porch |
| Porch Area | 33 sqft |
| Patio Area | 33 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 10418 HELENA AVE |
|---|---|
| City | MONTCLAIR |
| State | CA |
| Zip | 91763-4300 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 13324 LOT 17 |
| Legal Subdivision | TRACT NO. 13324 |
| Legal Tract | 13324 |
| Legal Block | 1 |
| Legal Lot Number | 17 |
| Jurisdiction | SAN BERNARDINO CA |
| Township / Civil Division | ONTARIO |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 306 |
10418 Helena Ave is owned and occupied by two individuals who bought it in November 2024.
Source: San Bernardino County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 10418 HELENA AVE, MONTCLAIR, CA 91763-4300 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
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 | Nov 5, 2024 · Amount on File |
| Deed Sale | Nov 5, 2024 · Amount on File |
| Prior Sale | Apr 26, 2002 · Amount on File |
| Deed Document Number | 2024265763 |
| Prior Transfer Date | Sep 24, 1996 |
| Prior Transfer Doc | 0000361752 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 10418 Helena Ave was $7,658.
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 | $711,451 (+2%) Land $249,008 Building $462,443 | |
| 2025 | $7,658.00 | $697,500 Land $244,125 Building $453,375 |
| 2023 | $2,942.00 (+1.41%) Homeowner's exemption | $276,887 Land $96,909 Building $179,978 |
| 2022 | $2,901.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 10418 Helena 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 10418 Helena 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 386 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 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Verizon.
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