Los Angeles County property record for 21834 Stonepine Dr, Diamond Bar, CA 91765
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 1 ba · 837 sqft · built 1973 |
| Lot Size | 6.65 acres (290,066 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $1,333 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8292-013-109 |
| Primary APN | 8292-013-109 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Building Area | 837 sqft Living Area |
| Year Built | Built 1973 |
|---|---|
| Effective Year Built | Effective 1973 |
| Architectural Style | Condo/Apartment |
| Construction Type | Wood |
| Lot Area | 290,066 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 21834 STONEPINE DR |
|---|---|
| City | DIAMOND BAR |
| State | CA |
| Zip | 91765-2821 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Local Zoning Code | LCR3800015 |
| Legal Description | TRACT NO 27246 CONDOMINIUM UNIT 18 |
| Legal Subdivision | 27246 |
| Legal Tract | 27246 |
| Legal Block | 1 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 403328 |
Source: Los Angeles County records, as of August 25, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | PO BOX 6025, LAGUNA NIGUEL, CA 92607-6025 |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
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 | Walnut Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $65,690 (+2%) Land $20,218 Building $45,472 | |
| 2025 | $1,333.00 (+10.07%) | $64,403 (+4.04%) Land $19,822 Building $44,581 |
| 2023 | $1,211.00 (+2.28%) | $61,903 Land $19,053 Building $42,850 |
| 2022 | $1,184.00 |
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 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.02% 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 | 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 306 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Frontier, Verizon.
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