Los Angeles County property record for 1031 Adel Ave, Diamond Bar, CA 91789
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,368 sqft · built 1968 |
| Lot Size | 0.194 acres (8,438 sqft) |
| Owner | Individual Name on File |
| Last Sale | $240,000 (May 2001) |
| Tax Bill | $5,001 (2025) |
| Deeds & Mortgages | Oct 2026 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 8763-002-018 |
| Primary APN | 8763-002-018 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Building Area | 1,368 sqft Living Area |
| Year Built | Built 1968 |
|---|---|
| Effective Year Built | Effective 1972 |
| Construction Type | Wood |
| Lot Area | 8,438 sqft (0.194 acres) |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 1031 ADEL AVE |
|---|---|
| City | WALNUT |
| State | CA |
| Zip | 91789-3901 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCR108 |
| Legal Description | TRACT NO 27264 LOT 67 |
| Legal Subdivision | 27264 |
| Legal Tract | 27264 |
| Legal Block | 3 |
| Legal Lot Number | 67 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 3 |
| Census Block | 3016 |
| Census Tract | 403328 |
1031 Adel Ave is owned and occupied by an individual who acquired it in August 2007.
Source: Los Angeles County records, as of October 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1031 ADEL AVE, WALNUT, CA 91789-3901 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
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 | Name on Deed |
|---|---|
| Last Sale | May 24, 2001 · Amount on File |
| Deed Sale | May 24, 2001 · Amount on File |
| Prior Sale | Mar 7, 1997 · Amount on File |
| Deed Document Number | 2001898023 |
| Last Transfer Date | Aug 30, 2007 |
| Transfer Doc | 0002070458 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Oct 7, 2026 |
| Property Address | 1031 ADEL AVE, WALNUT, CA 91789-3901 |
| Document Number | 0000752062 |
| Instrument Date | Oct 1, 2026 |
| Instrument | 2026752062 |
| Transaction Type | Mortgage |
| Record Updated | Oct 14, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Name | Verified Name |
|---|---|
| Address | 1031 ADEL AVE, WALNUT, CA 91789-3901 |
| Document Number | 0000752062, |
|---|---|
| Date | Oct 7, 2026 |
| Instrument | 2026752062 |
| Name | COASTAL COMMUNITY BANK |
|---|
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Rate Type | Adjustable Rate |
|---|---|
| Initial Type | Adjustable Rate |
| Adjustable | Adjustable Rate Rider |
| Max Rate | -1% |
The 2025 property tax bill for 1031 Adel Ave was $5,001.
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 | $368,853 (+2%) Land $274,188 Building $94,665 | |
| 2025 | $5,001.00 | $361,621 Land $268,812 Building $92,809 |
| 2023 | $4,619.00 (+2.15%) | $347,581 Land $258,375 Building $89,206 |
| 2022 | $4,522.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1031 Adel Ave 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.
The area around 1031 Adel Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land 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 286 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 7,000 / 7,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Verizon.
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