Los Angeles County property record for 21477 Cold Spring Ln, Diamond Bar, CA 91765
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 2,796 sqft · built 1977 |
| Lot Size | 0.371 acres (16,180 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,050,000 (Aug 2022) |
| Tax Bill | $13,809 (2025) |
| Deeds & Mortgages | Aug 2022 Sale Aug 2022 Transfer + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 8714-004-005 |
| Primary APN | 8714-004-005 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Building Area | 2,796 sqft Living Area |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1977 |
| Construction Type | Wood |
| Lot Area | 16,180 sqft (0.371 acres) |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 21477 COLD SPRING LN |
|---|---|
| City | DIAMOND BAR |
| State | CA |
| Zip | 91765-3814 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | *TR=32974 LOT 37 |
| Legal Subdivision | 32974 |
| Legal Tract | 32974 |
| Legal Block | 2 |
| Legal Lot Number | 37 |
| 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 · APN 8714-004-005
Assessment roll updated May 21, 2026 · Last verified August 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 File |
|---|---|
| Mailing Address | 21477 COLD SPRING LN, DIAMOND BAR, CA 91765-3814 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Date | Document |
|---|---|
| Aug 10, 2022 | Grant Deed, Transfer PRIORITY TITLE |
| Aug 10, 2022 | Affidavit of Death of Trustee, Transfer PRIORITY TITLE |
| Feb 23, 2021 | Intrafamily Transfer, Transfer · Conventional Mortgage QUICKEN LOANS LLC |
| Feb 23, 2021 | Intrafamily Transfer, Transfer AMROCK INC |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Aug 10, 2022 · Amount on Record |
| Deed Sale | Aug 10, 2022 · Amount on Record |
| Deed Document Number | 2022805800 |
| Prior Transfer Date | Feb 05, 2021 |
| Prior Transfer Doc | 0000295211 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Aug 10, 2022 |
| Property Address | 21477 COLD SPRING LN, DIAMOND BAR, CA 91765-3814 |
| Document Number | 0000805800 |
| Map Reference | MB 873 PG 50-56 |
| Instrument Date | Aug 08, 2022 |
| Instrument | 22-0805800 |
| Transaction Type | Transfer |
| Record Updated | Aug 17, 2022 |
| Title Company | PRIORITY TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 21477 COLD SPRING LN, DIAMOND BAR, CA 91765-3814 |
| Document Type | Affidavit of Death of Trustee |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Aug 10, 2022 |
| Property Address | 21477 COLD SPRING LN, DIAMOND BAR, CA 91765-3814 |
| Document Number | 0000805799 |
| Map Reference | MB 873 PG 50-56 |
| Instrument Date | Aug 08, 2022 |
| Instrument | 22-0805799 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Title Company | PRIORITY TITLE |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 14150 SHORELINE DR, CHINO HILLS, CA 91709-1795 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Feb 23, 2021 |
| Property Address | 21477 COLD SPRING LN, DIAMOND BAR, CA 91765-3814 |
| Document Number | 0000295209 |
| Map Reference | MB 873 PG 50-56 |
| Instrument Date | Feb 05, 2021 |
| Instrument | 21-0295209 |
| Transaction Type | Transfer |
| Record Updated | Sep 22, 2021 |
| Title Company | AMROCK INC |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 21477 COLD SPRING LN, DIAMOND BAR, CA 91765-3814 |
| Document Number | 0000295210 |
|---|---|
| Date | Feb 23, 2021 |
| Instrument | 21-0295210 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Mar 01, 2051 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Feb 23, 2021 |
| Property Address | 21477 COLD SPRING LN, DIAMOND BAR, CA 91765-3814 |
| Document Number | 0000295211 |
| Map Reference | MB 873 PG 50-56 |
| Instrument Date | Feb 05, 2021 |
| Instrument | 21-0295211 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Title Company | AMROCK INC |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 21477 COLD SPRING LN, DIAMOND BAR, CA 91765-3814 |
Source: Los Angeles County records · Assessment roll updated May 21, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | Diamond Bar City |
| Unified School District | Walnut Valley Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $13,809.00 (+4.99%) | $1,092,419 (+4.04%) Land $823,372 Building $269,047 |
| 2024 | $13,153.00 (+2.46%) | |
| 2023 | $12,837.00 (+269.09%) | $1,050,000 Land $791,400 Building $258,600 |
| 2022 | $3,478.00 |
Source: FEMA National Flood Hazard Layer, Los Angeles County (06037C), updated September 30, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| 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 are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · sampled at 565 locations within half a mile · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Frontier, Verizon.
Source: EPA Safe Drinking Water Information System via ECHO, 2026 Q3 · EPA community water system boundaries v3.0, March 2026 · Last verified October 2026
| Water System | WALNUT VALLEY WATER DISTRICT serves 100,941 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures