Los Angeles County property record for 23740 Decorah Rd, Diamond Bar, CA 91765
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 2,570 sqft · built 1964 |
| Lot Size | 0.209 acres (9,105 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $2,371 (2025) |
| Deeds & Mortgages | May 2021 Line of Credit Jun 2020 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 8703-003-048 |
| Primary APN | 8703-003-048 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 12 Rooms |
| Building Area | 2,570 sqft Living Area |
| Year Built | Built 1964 |
|---|---|
| Effective Year Built | Effective 1966 |
| Construction Type | Wood |
| Lot Area | 9,105 sqft (0.209 acres) |
| Heating System | Central |
|---|
| Street Address | 23740 DECORAH RD |
|---|---|
| City | DIAMOND BAR |
| State | CA |
| Zip | 91765-1301 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCR18000* |
| Legal Description | LOT 143 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 | 143 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 403316 |
23740 Decorah Rd is owner-occupied and held in a trust since May 2020.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 23740 DECORAH RD, DIAMOND BAR, CA 91765-1301 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| May 21, 2021 | Deed of Trust, Mortgage · Line of Credit FARMERS & MERCHANTS BANK OF LONG BEACH |
| Jun 8, 2020 | Deed of Trust, Mortgage · Conventional Mortgage LOANPAL LLC |
| Mar 1, 2022 | Intrafamily Transfer, Transfer |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | May 31, 2020 |
| Transfer Doc | 0000238395 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 23740 DECORAH RD, DIAMOND BAR, CA 91765-1301 |
| Transaction Type | Mortgage |
| Record Updated | May 31, 2021 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 23740 DECORAH RD, DIAMOND BAR, CA 91765-1301 |
| Document Number | 0000818161 |
|---|---|
| Date | May 21, 2021 |
| Instrument | 21-0818161 |
| Name | FARMERS & MERCHANTS BANK OF LONG BEACH |
|---|---|
| Type | Bank |
| Address | SEAL BEACH, CA 90740 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 301 Months |
| Due | Jun 1, 2046 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 23740 DECORAH RD, DIAMOND BAR, CA 91765-1301 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | NATIONAL CLOSING SOLUTIONS |
| Name | Verified Name |
|---|
| Document Number | 0000618518 |
|---|---|
| Date | Jun 8, 2020 |
| Instrument | 20-0618518 |
| Name | LOANPAL LLC |
|---|---|
| Type | Non-Lending Institution |
| Address | ROSEVILLE, CA 95661 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Jun 1, 2050 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Mar 1, 2022 |
| Property Address | 23740 DECORAH RD, DIAMOND BAR, CA 91765-1301 |
| Document Number | 0000238395 |
| Map Reference | MB 714 PG 76-80 |
| Instrument Date | May 31, 2020 |
| Instrument | 22-0238395 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 23740 DECORAH RD, DIAMOND BAR, CA 91765-1301 |
The 2025 property tax bill for 23740 Decorah Rd was $2,371 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 | $123,205 (+2%) Land $25,959 Building $97,246 | |
| 2025 | $2,371.00 Homeowner's exemption | $120,790 Land $25,450 Building $95,340 |
| 2023 | $2,029.00 (+1.86%) Homeowner's exemption | $116,101 Land $24,462 Building $91,639 |
| 2022 | $1,992.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 23740 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 23740 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 414 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 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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