San Bernardino County property record for 10127 Helena Ave, Montclair, CA 91763
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1 ba · 1,143 sqft · built 1955 |
| Lot Size | 0.171 acres (7,426 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $250,000 (Dec 2014) |
| Tax Bill | $3,312 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1009-421-16-0000 |
| Primary APN | 1009-421-16-0000 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,143 sqft Living Area |
| 1st Floor Area | 1,143 sqft |
| Family Room | Family Room |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1955 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Built-Up Asphalt |
| Lot Area | 7,426 sqft (0.171 acres) |
| Lot Dimensions | 94 ft deep x 79 ft wide |
| Porch | Patio/Porch |
| Porch Area | 324 sqft |
| Patio Area | 324 sqft |
| Cooling System | None |
|---|---|
| Heating System | Floor/Wall Furnace |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 10127 HELENA AVE |
|---|---|
| City | MONTCLAIR |
| State | CA |
| Zip | 91763-3629 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | TRACT 4665 LOT 171 TRACT NO 4665 LOT 171 EX UND 1/2 1NT 1N M1NERAL R1GHTS W1THOUT S E |
| Legal Tract | 4665 |
| Legal Block | 2 |
| Legal Lot Number | 171 |
| Jurisdiction | SAN BERNARDINO CA |
| Township / Civil Division | ONTARIO |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 207 |
Source: San Bernardino County records, as of July 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 10147 HELENA AVE, MONTCLAIR, CA 91763-3629 |
| Owner Type | Company |
| Vesting | Life Tenant |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 12, 2014 · Amount on Record |
| Deed Sale | Dec 12, 2014 · Amount on Record |
| Prior Sale | May 28, 2009 · Amount on Record |
| Deed Document Number | 2014475595 |
| Prior Transfer Date | Nov 28, 2014 |
| Prior Transfer Doc | 0000475596 |
| Record Updated | Oct 29, 2026 |
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 | $306,472 (+2%) Land $107,264 Building $199,208 | |
| 2025 | $3,312.00 (+5.28%) | $300,463 (+4.04%) Land $105,161 Building $195,302 |
| 2023 | $3,146.00 (+1.32%) | $288,796 Land $101,077 Building $187,719 |
| 2022 | $3,105.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 96% of the US · lower than 97.4% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 641 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Verizon.
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