San Bernardino County property record for 975 Mason St, Rialto, CA 92376
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,600 sqft · built 1978 |
| Lot Size | 0.202 acres (8,800 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $2,009 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 0128-431-07-0000 |
| Primary APN | 0128-431-07-0000 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,600 sqft Living Area |
| Gross Area | 2,062 sqft |
| 1st Floor Area | 1,600 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1978 |
|---|---|
| Effective Year Built | Effective 1979 |
| Architectural Style | Modern |
| Exterior Material | Block |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 8,800 sqft (0.202 acres) |
| Lot Dimensions | 110 ft deep x 80 ft wide |
| Garage Type | Attached |
| Garage Area | 462 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Patio/Porch |
| Porch Area | 280 sqft |
| Patio Area | 280 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 975 MASON ST |
|---|---|
| City | RIALTO |
| State | CA |
| Zip | 92376-4715 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 9954 LOT 67 |
| Legal Tract | 9954 |
| Legal Block | 1 |
| Legal Lot Number | 67 |
| Jurisdiction | SAN BERNARDINO CA |
| Township / Civil Division | SAN BERNARDINO |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 3507 |
975 Mason St is owned and occupied by two individuals.
Source: San Bernardino County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 975 MASON ST, RIALTO, CA 92376-4715 |
| 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 |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 975 Mason St was $2,009 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 | Rialto City |
| Unified School District | Rialto Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $170,755 (+2%) Land $29,454 Building $141,301 | |
| 2025 | $2,009.00 Homeowner's exemption | $167,406 Land $28,876 Building $138,530 |
| 2023 | $2,064.00 (+7.78%) Homeowner's exemption | $160,906 Land $27,755 Building $133,151 |
| 2022 | $1,915.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 975 Mason 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.
Wildfire risk around 975 Mason St is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.8% of the US · lower than 99.8% 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 | CITY OF RIALTO serves 59,264 people · EPA ID CA3610038 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Aug 2024 |
| 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 736 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: GeoLinks, T-Mobile, Verizon.
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