Los Angeles County property record for 528 Pinto Mesa Dr, Diamond Bar, CA 91765
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,749 sqft · built 1967 |
| Lot Size | 0.414 acres (18,031 sqft) |
| Owner | Individual Name on File |
| Last Sale | $1,060,000 (Jun 2024) |
| Tax Bill | $14,556 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8281-003-006 |
| Primary APN | 8281-003-006 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 11 Rooms |
| Stories | 1 Story |
| Building Area | 1,749 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1967 |
|---|---|
| Effective Year Built | Effective 1967 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Wood Shingle |
| Lot Area | 18,031 sqft (0.414 acres) |
| Lot Dimensions | 194 ft deep x 93 ft wide |
| Heating System | Central |
|---|
| Street Address | 528 PINTO MESA DR |
|---|---|
| City | DIAMOND BAR |
| State | CA |
| Zip | 91765-1827 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCR11L |
| Legal Description | TRACT NO 29015 LOT 10 |
| Legal Subdivision | 29015 |
| Legal Tract | 29015 |
| Legal Block | 1 |
| Legal Lot Number | 10 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 403321 |
528 Pinto Mesa Dr is owned and occupied by an individual who bought it in June 2024.
Source: Los Angeles County records, as of August 25, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 528 PINTO MESA DR, DIAMOND BAR, CA 91765-1827 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Unmarried Man |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 27, 2024 · Amount on File |
| Deed Sale | Jun 27, 2024 · Amount on File |
| Prior Sale | Jun 7, 2016 · Amount on File |
| Deed Document Number | 2024417851 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 528 Pinto Mesa Dr was $14,556.
Source: Los Angeles County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | Diamond Bar City |
| Unified School District | Pomona Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,102,823 (+2%) Land $893,183 Building $209,640 | |
| 2025 | $14,556.00 | $1,081,200 Land $875,670 Building $205,530 |
| 2023 | $9,589.00 (+2.08%) | $742,996 Land $547,521 Building $195,475 |
| 2022 | $9,394.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 528 Pinto Mesa Dr in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 30, 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 528 Pinto Mesa Dr is low, with a 0.05% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 62% of the US · lower than 77% of California |
|---|---|
| Wildfire Likelihood | 0.05% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 | WALNUT VALLEY WATER DISTRICT serves 100,941 people · EPA ID CA1910234 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Jun 2023 |
| 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 487 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 7,000 / 7,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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