Los Angeles County property record for 1540 Bridgegate Dr, Diamond Bar, CA 91765
| Property Type | Commercial Office |
|---|---|
| Details | 51,285 sqft · built 1987 |
| Lot Size | 5.29 acres (230,771 sqft) |
| Owner | Company Name on File |
| Last Sale | $10,700,000 (Jun 2016) |
| Tax Bill | $172,681 (2025) |
| Deeds & Mortgages | Nov 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 8293-050-035 |
| Primary APN | 8293-050-035 |
|---|
| Stories | 1 Story |
|---|---|
| Building Area | 51,285 sqft Total Area |
| Year Built | Built 1987 |
|---|---|
| Effective Year Built | Effective 1987 |
| Construction Type | Masonry / Concrete Block |
| Fire Resistance | Masonry Walls, Wood Interior |
| Lot Area | 230,771 sqft |
| Street Address | 1540 BRIDGEGATE DR |
|---|---|
| City | DIAMOND BAR |
| State | CA |
| Zip | 91765-3932 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Local Zoning Code | LCR110000* |
| Legal Description | TR=39679 LAND DESC AS PAR 1 OF DOC 1552423,870928 LOT 14 AND POR OF LOT 15 |
| Legal Subdivision | 39679 |
| Legal Tract | 39679 |
| Legal Block | 1 |
| Legal Lot Number | 14,15 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 403328 |
Source: Los Angeles County assessment roll, as of May 21, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 21700 COPLEY DR, 320, DIAMOND BAR, CA 91765-5499 |
| Owner Type | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jun 17, 2016 · Amount on Record |
| Deed Sale | Jun 17, 2016 · Amount on Record |
| Deed Document Number | 2016702058 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 1540 BRIDGEGATE DR, DIAMOND BAR, CA 91765-3912 |
| Transaction Type | Mortgage |
| Record Updated | Nov 10, 2021 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Address | 21700 COPLEY DR 320, 320, POMONA, CA 91765-5499 |
| Document Number | 0001640593 |
|---|---|
| Date | Nov 2, 2021 |
| Instrument | 21-1640593 |
| Name | EAST WEST BANK |
|---|---|
| Type | Bank |
| Address | EL MONTE, CA 91731 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
Source: Los Angeles County assessment roll, as of May 21, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | Diamond Bar City |
| Unified School District | Walnut Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $172,681.00 (+9.38%) | $12,666,631 (+4.04%) Land $6,392,505 Building $6,274,126 |
| 2024 | $157,878.00 (-1.24%) | |
| 2023 | $159,855.00 (+2.09%) | $12,174,772 Land $6,144,277 Building $6,030,495 |
| 2022 | $156,587.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 93% of the US · lower than 96% of California |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | Direct burnable vegetation |
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 441 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 35 |
May also be available: Frontier, T-Mobile, Verizon.
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