Los Angeles County property record for 21335 Cold Spring Ln, Diamond Bar, CA 91765
| Property Type | Regional Shopping Center, Mall |
|---|---|
| Details | 9,490 sqft · built 1989 |
| Lot Size | 0.851 acres (37,046 sqft) |
| Owner | Company Name on Record |
| Last Sale | $48,000,480 (Apr 2013) |
| Tax Bill | $59,607 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8285-020-034 |
| Primary APN | 8285-020-034 |
|---|
| Stories | 1 Story |
|---|---|
| Building Area | 9,490 sqft Total Area |
| Year Built | Built 1989 |
|---|---|
| Effective Year Built | Effective 1989 |
| Construction Type | Masonry / Concrete Block |
| Fire Resistance | Masonry Walls, Wood Interior |
| Lot Area | 37,046 sqft (0.851 acres) |
| Cooling System | HVAC |
|---|
| Street Address | 21335 COLD SPRING LN |
|---|---|
| City | DIAMOND BAR |
| State | CA |
| Zip | 91765-3443 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Regional Shopping Center, Mall |
| Local Zoning Code | LCC1* |
| Legal Description | P M 247-28-31 THAT POR IN TRA 12109 OF LOT 3 |
| Legal Subdivision | 12109 |
| Legal Tract | 12109 |
| Legal Block | 1 |
| Legal Lot Number | 3 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 1 |
| Census Block | 1013 |
| 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 | Company Name on Record |
|---|---|
| Mailing Address | PO BOX 130339, CARLSBAD, CA 92013-0339 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 22, 2013 · Amount on Record |
| Deed Sale | Apr 22, 2013 · Amount on Record |
| Prior Sale | May 6, 2008 |
| Deed Document Number | 2013593681 |
| Prior Transfer Date | May 5, 2008 |
| Prior Transfer Doc | 0000793955 |
| Record Updated | Oct 29, 2026 |
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 | $4,786,820 (+2%) Land $1,134,211 Building $3,652,609 | |
| 2025 | $59,607.00 (+4.68%) | $4,692,962 (+4.04%) Land $1,111,972 Building $3,580,990 |
| 2024 | $56,941.00 (+2.45%) | |
| 2023 | $55,581.00 (-2.67%) | $4,510,731 Land $1,068,794 Building $3,441,937 |
| 2022 | $57,105.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
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 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 425 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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