San Bernardino County property record for 6435 Opal St, Alta Loma, CA 91701
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,684 sqft · built 1971 |
| Lot Size | 0.231 acres (10,070 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $274,000 (Sep 2002) |
| Tax Bill | $4,420 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1062-611-03-0000 |
| Primary APN | 1062-611-03-0000 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,684 sqft Living Area |
| Gross Area | 2,190 sqft |
| 1st Floor Area | 1,684 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1971 |
| Architectural Style | Modern |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 10,070 sqft (0.231 acres) |
| Lot Dimensions | 106 ft deep x 95 ft wide |
| Garage Type | Attached |
| Garage Area | 506 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Patio/Porch |
| Porch Area | 176 sqft |
| Patio Area | 176 sqft |
| Cooling System | Evaporative |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 6435 OPAL ST |
|---|---|
| City | RANCHO CUCAMONGA |
| State | CA |
| Zip | 91701-4011 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | TRACT 7830 LOT 3 |
| Legal Tract | 7830 |
| Legal Block | 2 |
| Legal Lot Number | 3 |
| Jurisdiction | SAN BERNARDINO CA |
| Township / Civil Division | ONTARIO |
| Census Block Group | 2 |
| Census Block | 2014 |
| Census Tract | 2013 |
6435 Opal St is owned and occupied by two individuals who acquired it in February 2005.
Source: San Bernardino County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 6435 OPAL ST, RANCHO CUCAMONGA, CA 91701-4011 |
| 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 | Sep 10, 2002 · Amount on File |
| Deed Sale | Sep 10, 2002 · Amount on File |
| Prior Sale | Jun 25, 1999 · Amount on File |
| Deed Document Number | 2002474374 |
| Last Transfer Date | Feb 18, 2005 |
| Transfer Doc | 0000166845 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 6435 Opal St was $4,420.
Source: San Bernardino County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Bernardino County |
| Municipality | Rancho Cucamonga City |
| Elementary School District | Alta Loma Elementary School District (KG - 08) |
| Secondary School District | Chaffey Joint Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $404,783 (+2%) Land $141,673 Building $263,110 | |
| 2025 | $4,420.00 | $396,846 Land $138,895 Building $257,951 |
| 2023 | $4,212.00 (+0.24%) | $381,436 Land $133,502 Building $247,934 |
| 2022 | $4,202.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 6435 Opal St 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 6435 Opal 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 | CUCAMONGA VALLEY WATER DISTRICT serves 213,375 people · EPA ID CA3610018 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Feb 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 477 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: AT&T, Frontier, GeoLinks.
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