Los Angeles County property record for 24243 Gem Pl, Diamond Bar, CA 91765
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,305 sqft · built 1988 |
| Lot Size | 0.197 acres (8,588 sqft) |
| Owner | Company Name on Record |
| Last Sale | $655,000 (Jun 2019) |
| Tax Bill | $9,850 (2025) |
| Deeds & Mortgages | Jun 2019 Sale Feb 2018 Sale + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 8281-040-047 |
| Primary APN | 8281-040-047 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Building Area | 1,305 sqft Living Area |
| Year Built | Built 1988 |
|---|---|
| Effective Year Built | Effective 1988 |
| Construction Type | Wood |
| Lot Area | 8,588 sqft (0.197 acres) |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 24243 GEM PL |
|---|---|
| City | DIAMOND BAR |
| State | CA |
| Zip | 91765-1854 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCR115000- |
| Legal Description | TR=42580 LOT 40 |
| Legal Subdivision | 42580 |
| Legal Tract | 42580 |
| Legal Block | 1 |
| Legal Lot Number | 40 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 403321 |
Source: Los Angeles County records, as of August 25, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 24243 GEM PL, DIAMOND BAR, CA 91765-1854 |
| Owner Type | Company |
| Vesting | Life Tenant |
| Date | Document |
|---|---|
| Jun 12, 2019 | Grant Deed, Transfer FIDELITY NATIONAL TITLE, FIDELITY NAT'L TITLE ORANGE CN |
| Feb 8, 2018 | Grant Deed, Transfer FIDELITY NATIONAL TITLE |
| Feb 8, 2018 | Quit Claim Deed, Transfer FIDELITY NATIONAL TITLE |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 12, 2019 · Amount on Record |
| Deed Sale | Jun 12, 2019 · Amount on Record |
| Prior Sale | Feb 8, 2018 · Amount on Record |
| Deed Document Number | 2019555385 |
| Prior Transfer Date | Apr 21, 1994 |
| Prior Transfer Doc | 0000806971 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Jun 12, 2019 |
| Property Address | 24243 GEM PL, DIAMOND BAR, CA 91765-1854 |
| Document Number | 0000555385 |
| Instrument Date | May 22, 2019 |
| Instrument | 555385 |
| Transaction Type | Transfer |
| Record Updated | Jun 18, 2019 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NAT'L TITLE ORANGE CN |
| Amount | Amount Recorded |
|---|---|
| Tax | $720.50 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 24243 GEM PL DIAMOND BAR CA 917651854, DIAMOND BAR, CA 91765-1854 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Feb 8, 2018 |
| Property Address | 24243 GEM PL, DIAMOND BAR, CA 91765-1854 |
| Document Number | 0000131059 |
| Instrument Date | Jan 8, 2018 |
| Instrument | 131059 |
| Transaction Type | Transfer |
| Record Updated | Feb 14, 2018 |
| Title Company | FIDELITY NATIONAL TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $566.50 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | PO BOX 54365 IRVINE CA 926194365, IRVINE, CA 92619-4365 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Feb 8, 2018 |
| Property Address | 24243 GEM PL, DIAMOND BAR, CA 91765-1854 |
| Document Number | 0000131058 |
| Instrument Date | Jan 8, 2018 |
| Instrument | 131058 |
| Transaction Type | Transfer |
| Record Updated | Feb 14, 2018 |
| Title Company | FIDELITY NATIONAL TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 37 MARSEILLE LAGUNA NIGUEL CA 926775400, LAGUNA NIGUEL, CA 92677-5400 |
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 | $745,272 (+2%) Land $556,737 Building $188,535 | |
| 2025 | $9,850.00 (+10.6%) Homeowner's exemption | $730,660 (+4.04%) Land $545,821 Building $184,839 |
| 2023 | $8,906.00 (+1.57%) Homeowner's exemption | $702,289 Land $524,627 Building $177,662 |
| 2022 | $8,768.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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.
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 | 0.03% annual chance |
| Exposure | Indirect 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 322 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 7,000 / 7,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures