Los Angeles County property record for 21557 Ambushers St, Diamond Bar, CA 91765
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,712 sqft · built 1978 |
| Lot Size | 0.213 acres (9,297 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $1,450,000 (Aug 2025) |
| Tax Bill | $11,090 (2025) |
| Deeds & Mortgages | Aug 2020 Mortgage Dec 2018 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 8714-003-016 |
| Primary APN | 8714-003-016 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Building Area | 2,712 sqft Living Area |
| Year Built | Built 1978 |
|---|---|
| Effective Year Built | Effective 1978 |
| Construction Type | Wood |
| Lot Area | 9,297 sqft (0.213 acres) |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 21557 AMBUSHERS ST |
|---|---|
| City | DIAMOND BAR |
| State | CA |
| Zip | 91765-3806 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCR19000* |
| Legal Description | *TR=33205 LOT 7 |
| Legal Subdivision | 33205 |
| Legal Tract | 33205 |
| Legal Block | 2 |
| Legal Lot Number | 7 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 2 |
| Census Block | 2023 |
| Census Tract | 403325 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 19115 BARROSO ST, ROWLAND HEIGHTS, CA 91748-3916 |
| Owner Type | Individual |
| Vesting | Unmarried Woman |
| Date | Document |
|---|---|
| Aug 14, 2020 | Deed of Trust, Mortgage · Conventional Mortgage FIRST COMMERCIAL BANK USA |
| Dec 5, 2018 | Deed of Trust, Mortgage · Line of Credit BANK OF AMERICA |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 20, 2025 · Amount on Record |
| Deed Sale | Aug 20, 2025 · Amount on Record |
| Prior Sale | May 17, 2012 · Amount on Record |
| Deed Document Number | 2025565751 |
| Prior Transfer Date | Jun 18, 2004 |
| Prior Transfer Doc | 0001920652 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 21557 AMBUSHERS ST, DIAMOND BAR, CA 91765-3806 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | CHICAGO TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000945778 |
|---|---|
| Date | Aug 14, 2020 |
| Instrument | 20-0945778 |
| Name | FIRST COMMERCIAL BANK USA |
|---|---|
| Type | Bank |
| Address | CHINO HILLS, CA 91709 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Sep 1, 2035 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 21557 AMBUSHERS ST, DIAMOND BAR, CA 91765-3806 |
| Document Number | 0001271654 |
| Instrument Date | Dec 5, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Dec 20, 2018 |
| Title Company | WFG LENDER SERVICES, WFG LENDER SVCS |
| Name | Verified Name |
|---|---|
| Address | 21557 AMBUSHERS ST DIAMOND BAR CA 917653806, DIAMOND BAR, CA 91765-3806 |
| Document Number | 0001271654 |
|---|---|
| Date | Dec 14, 2018 |
| Instrument | 1271654 |
| Name | BANK OF AMERICA |
|---|---|
| Type | Bank |
| Address | TAMPA, FL 33634 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
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 | $1,450,000 (+67.79%) Land $1,040,700 Building $409,300 | |
| 2025 | $11,090.00 (+7.88%) | $864,156 (+4.04%) Land $339,004 Building $525,152 |
| 2023 | $10,280.00 (+2.11%) | $830,601 Land $325,841 Building $504,760 |
| 2022 | $10,068.00 |
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 | Moderate above 63% of the US · lower than 61% of California |
|---|---|
| Wildfire Likelihood | 0.2% 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 234 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Frontier, GeoLinks, Verizon.
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