Los Angeles County property record for 21493 Cold Spring Ln, Diamond Bar, CA 91765
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,752 sqft · built 1977 |
| Lot Size | 0.267 acres (11,641 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $246,000 (May 1999) |
| Tax Bill | $5,439 (2025) |
| Deeds & Mortgages | Aug 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 8714-004-013 |
| Primary APN | 8714-004-013 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,752 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1977 |
| Architectural Style | Contemporary |
| Construction Type | Wood |
| Roof Material | Wood Shingle |
| Lot Area | 11,641 sqft (0.267 acres) |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 21493 COLD SPRING LN |
|---|---|
| City | DIAMOND BAR |
| State | CA |
| Zip | 91765-3814 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCR19000* |
| Legal Description | *TR=32974 LOT 45 |
| Legal Subdivision | 32974 |
| Legal Tract | 32974 |
| Legal Block | 2 |
| Legal Lot Number | 45 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 2 |
| Census Block | 2019 |
| Census Tract | 403325 |
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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 21493 COLD SPRING LN, DIAMOND BAR, CA 91765-3814 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 26, 1999 · Amount on Record |
| Deed Sale | May 26, 1999 · Amount on Record |
| Prior Sale | Dec 31, 1997 · Amount on Record |
| Deed Document Number | 1999951850 |
| Prior Transfer Date | Aug 3, 1993 |
| Prior Transfer Doc | 0001744421 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 21493 COLD SPRING LN, DIAMOND BAR, CA 91765-3814 |
| Transaction Type | Mortgage |
| Record Updated | Aug 25, 2021 |
| Title Company | AMROCK TITLE CALIFORNIA INC |
| Name | Verified Name |
|---|---|
| Address | 21493 COLD SPRING LN, DIAMOND BAR, CA 91765-3814 |
| Document Number | 0001254622 |
|---|---|
| Date | Aug 17, 2021 |
| Instrument | 21-1254622 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43240 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Sep 1, 2036 |
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 | $393,342 (+2%) Land $181,640 Building $211,702 | |
| 2025 | $5,439.00 (+11.3%) Homeowner's exemption | $385,630 (+4.04%) Land $178,079 Building $207,551 |
| 2023 | $4,887.00 (+3.21%) Homeowner's exemption | $370,658 Land $171,165 Building $199,493 |
| 2022 | $4,735.00 |
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 | Moderate above 44% of the US · lower than 74% of California |
|---|---|
| Wildfire Likelihood | 0.06% 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 565 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Frontier, Verizon.
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