Los Angeles County property record for 23804 Decorah Rd, Diamond Bar, CA 91765
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,346 sqft · built 1964 |
| Lot Size | 0.248 acres (10,802 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $410,000 (Jan 2013) |
| Tax Bill | $7,060 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8703-003-046 |
| Primary APN | 8703-003-046 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Building Area | 1,346 sqft Living Area |
| Year Built | Built 1964 |
|---|---|
| Effective Year Built | Effective 1964 |
| Construction Type | Wood |
| Lot Area | 10,802 sqft (0.248 acres) |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 23804 DECORAH RD |
|---|---|
| City | DIAMOND BAR |
| State | CA |
| Zip | 91765-1405 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCR18000* |
| Legal Description | LOT 139 TR NO 27530 AND POR OF SEC 3 T2S R9W |
| Legal Range | 09W |
| Legal Township | 02S |
| Legal Section | 03 |
| Legal Subdivision | 27530 |
| Legal Tract | 27530 |
| Legal Block | 3 |
| Legal Lot Number | 139 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 403316 |
23804 Decorah Rd is held in a trust since January 2013.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 7171 WARNER AVE, B, HUNTINGTON BEACH, CA 92647-5446 |
| Owner Type | Company |
| Vesting | Trust |
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 | Jan 4, 2013 · Amount on File |
| Deed Sale | Jan 4, 2013 · Amount on File |
| Prior Sale | May 31, 2012 |
| Deed Document Number | 201315661 |
| Prior Transfer Date | Jan 12, 1994 |
| Prior Transfer Doc | 0001398897 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 23804 Decorah Rd was $7,060, up 8.6% from the year before.
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 | $514,970 (+2%) Land $411,981 Building $102,989 | |
| 2025 | $7,060.00 (+8.63%) | $504,873 Land $403,903 Building $100,970 |
| 2024 | $6,499.00 (+1.96%) | |
| 2023 | $6,374.00 (+1.58%) | $485,270 Land $388,220 Building $97,050 |
| 2022 | $6,275.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 23804 Decorah Rd in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1980.
Source: FEMA National Flood Hazard Layer, effective September 30, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Claims | 1 (1980) |
| Most Recent Claim | Feb 1980 · rainfall accumulation |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire risk around 23804 Decorah 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 80% of the US · lower than 88% 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 519 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Frontier, GeoLinks, T-Mobile.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures