Los Angeles County property record for 21210 Mapache Dr, Diamond Bar, CA 91765 · Last verified June 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,880 sqft · built 1963 |
| Lot Size | 0.193 acres (8,401 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $3,241 (2025) |
| Deeds & Mortgages | Jun 2022 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 8285-022-014 |
| Primary APN | 8285-022-014 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 1,880 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1963 |
|---|---|
| Effective Year Built | Effective 1975 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Wood Shingle |
| Lot Area | 8,401 sqft (0.193 acres) |
| Lot Dimensions | 118 ft deep x 73 ft wide |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 21210 MAPACHE DR |
|---|---|
| City | DIAMOND BAR |
| State | CA |
| Zip | 91765-3423 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT NO 25991 LOT 98 |
| Legal Subdivision | 25991 |
| Legal Tract | 25991 |
| Legal Block | 1 |
| Legal Lot Number | 98 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 1 |
| Census Block | 1016 |
| Census Tract | 403325 |
Source: Los Angeles County records · APN 8285-022-014
Assessment roll updated May 21, 2026 · Last verified June 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 File |
|---|---|
| Mailing Address | 21210 MAPACHE DR, DIAMOND BAR, CA 91765-3423 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Borrower in Default |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Jun 09, 2022 |
| Property Address | 21210 MAPACHE DR, DIAMOND BAR, CA 91765-3423 |
| Document Number | 0000614272 |
| Map Reference | MB 702 PG 16-21 |
| Instrument Date | Oct 11, 2018 |
| Instrument | 22-0614272 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 21210 MAPACHE DR, DIAMOND BAR, CA 91765-3423 |
| Investor | Possibly a Property Investor |
Source: Los Angeles County records · Assessment roll updated May 21, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | Diamond Bar City |
| Unified School District | Walnut Valley Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $3,241.00 (+10.61%) Homeowner's exemption | $212,801 (+4.04%) Land $45,275 Building $167,526 |
| 2023 | $2,930.00 (+2.2%) Homeowner's exemption | $204,540 Land $43,518 Building $161,022 |
| 2022 | $2,867.00 |
Source: FEMA National Flood Hazard Layer, Los Angeles County (06037C), updated September 30, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 425 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Frontier | Fiber | 7,000 / 7,000 |
| Spectrum | Cable | 1,000 / 1,000 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
| AT&T | Fixed Wireless | 100 / 20 |
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
May also be available at this address: Verizon, Spectrum. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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