Los Angeles County property record for 21112 Ambushers St, Diamond Bar, CA 91765
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,004 sqft · built 1981 |
| Lot Size | 0.597 acres (26,001 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $6,744 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8714-011-016 |
| Primary APN | 8714-011-016 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 2,004 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1981 |
|---|---|
| Effective Year Built | Effective 1981 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Tile |
| Lot Area | 26,001 sqft (0.597 acres) |
| Lot Dimensions | 293 ft deep x 92 ft wide |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 21112 AMBUSHERS ST |
|---|---|
| City | DIAMOND BAR |
| State | CA |
| Zip | 91765-3733 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCR19000* |
| Legal Description | *TR=34160 LOT 24 |
| Legal Subdivision | 34160 |
| Legal Tract | 34160 |
| Legal Block | 2 |
| Legal Lot Number | 24 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 2 |
| Census Block | 2013 |
| Census Tract | 403325 |
21112 Ambushers St is owned and occupied by two individuals who acquired it in November 1993.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 21112 AMBUSHERS ST, DIAMOND BAR, CA 91765-3733 |
| 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 |
|---|---|
| Last Sale | Nov 23, 1993 |
| Deed Sale | Nov 23, 1993 |
| Deed Document Number | 19932298252 |
| Prior Transfer Date | Nov 22, 1993 |
| Prior Transfer Doc | 0002298253 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 21112 Ambushers St was $6,744 with a homeowner's exemption.
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 | $515,442 (+2%) Land $440,838 Building $74,604 | |
| 2025 | $6,744.00 Homeowner's exemption | $505,337 Land $432,195 Building $73,142 |
| 2023 | $6,231.00 (+2.13%) Homeowner's exemption | $485,715 Land $415,413 Building $70,302 |
| 2022 | $6,101.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 21112 Ambushers St 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 21112 Ambushers St is moderate, ranking above 48% of the US, with a 0.08% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 48% of the US · lower than 71% of California |
|---|---|
| Wildfire Likelihood | 0.08% annual chance |
| Exposure | Indirect within 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 565 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 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Frontier, Verizon.
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