San Bernardino County property record for 10378 Agate Ave, Mentone, CA 92359
| Property Type | Planned Unit Development |
|---|---|
| Details | 3 bd · 2 ba · 1,484 sqft · built 1987 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | Individual Name on File |
| Last Sale | $220,000 (Dec 2003) |
| Tax Bill | $4,053 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 0298-362-18-0000 |
| Primary APN | 0298-362-18-0000 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,484 sqft Living Area |
| Gross Area | 1,923 sqft |
| 1st Floor Area | 1,484 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1987 |
|---|---|
| Effective Year Built | Effective 1987 |
| Architectural Style | Modern |
| Construction Type | Frame |
| Roof Material | Tile |
| Lot Area | 5,000 sqft (0.115 acres) |
| Lot Dimensions | 100 ft deep x 50 ft wide |
| Garage Type | Attached |
| Garage Area | 439 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Patio/Porch |
| Porch Area | 450 sqft |
| Patio Area | 450 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 10378 AGATE AVE |
|---|---|
| City | MENTONE |
| State | CA |
| Zip | 92359-1504 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Planned Unit Development |
| Local Zoning Code | RS |
| Legal Description | TRACT 13504 LOT 18 |
| Legal Tract | 13504 |
| Legal Block | 3 |
| Legal Lot Number | 18 |
| Jurisdiction | SAN BERNARDINO CA |
| Township / Civil Division | SAN BERNARDINO |
| Census Block Group | 3 |
| Census Block | 3017 |
| Census Tract | 8601 |
Source: San Bernardino County assessment roll, 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 | Individual Name on File |
|---|---|
| Mailing Address | 28822 LEMON ST, HIGHLAND, CA 92346-5391 |
| Owner Type | Individual |
| Vesting | Sole Owner |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Dec 2, 2003 · Amount on Record |
| Deed Sale | Dec 2, 2003 · Amount on Record |
| Deed Document Number | 2003891586 |
| Record Updated | Sep 20, 2026 |
Source: San Bernardino County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Bernardino County |
| Unified School District | Redlands Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $319,052 (+2%) Land $79,763 Building $239,289 | |
| 2025 | $4,053.00 (+7.22%) | $312,796 (+4.04%) Land $78,199 Building $234,597 |
| 2023 | $3,780.00 (+1.53%) | $300,650 Land $75,163 Building $225,487 |
| 2022 | $3,723.00 |
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 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond ember reach |
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | REDLANDS CITY MUD-WATER DIV serves 78,025 people · EPA ID CA3610037 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2023 |
| Lead | 3 ppb (2021–2023) 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 578 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 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: California Internet, Verizon.
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