Los Angeles County property record for 550 Charmingdale Rd, Diamond Bar, CA 91765
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,508 sqft · built 1964 |
| Lot Size | 0.197 acres (8,589 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $4,289 (2025) |
| Deeds & Mortgages | May 2023 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 8701-003-019 |
| Primary APN | 8701-003-019 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,508 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1964 |
|---|---|
| Effective Year Built | Effective 1964 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Wood Shingle |
| Lot Area | 8,589 sqft (0.197 acres) |
| Lot Dimensions | 124 ft deep x 68 ft wide |
| Garage Type | Attached |
| Heating System | Central |
|---|---|
| Water Source | Commercial |
| Street Address | 550 CHARMINGDALE RD |
|---|---|
| City | DIAMOND BAR |
| State | CA |
| Zip | 91765-2132 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCR110000* |
| Legal Description | TRACT NO 24610 LOT 28 |
| Legal Subdivision | 24610 |
| Legal Tract | 24610 |
| Legal Block | 1 |
| Legal Lot Number | 28 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 403321 |
550 Charmingdale Rd is owned by a company that acquired it in May 2023 and is owner-occupied.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 20616 SETON HILL DR, WALNUT, CA 91789-1021 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Borrower in Default |
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 Transfer Date | May 16, 2023 |
| Transfer Doc | 0000348774 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | May 30, 2023 |
| Property Address | 550 CHARMINGDALE RD, DIAMOND BAR, CA 91765-2132 |
| Document Number | 0000348774 |
| Map Reference | MB 722 PG 58-60 |
| Instrument Date | May 16, 2023 |
| Instrument | 23-0348774 |
| Transaction Type | Transfer |
| Record Updated | Jun 14, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 20616 SETON HILL DR, WALNUT, CA 91789-1021 |
The 2025 property tax bill for 550 Charmingdale Rd was $4,289 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 | Pomona Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $291,747 (+2%) Land $196,803 Building $94,944 | |
| 2025 | $4,289.00 Homeowner's exemption | $286,028 Land $192,945 Building $93,083 |
| 2023 | $3,833.00 (+1.67%) Homeowner's exemption | $274,922 Land $185,453 Building $89,469 |
| 2022 | $3,770.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 550 Charmingdale Rd 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 550 Charmingdale Rd is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 66% of the US · lower than 80% of California |
|---|---|
| Wildfire Likelihood | 0.01% 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 428 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
May also be available: Frontier, T-Mobile, Verizon.
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