Los Angeles County property record for 1301 Summitridge Dr, Diamond Bar, CA 91765
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 3,203 sqft · built 1987 |
| Lot Size | 0.504 acres (21,964 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $775,000 (Jul 2004) |
| Tax Bill | $14,243 (2025) |
| Deeds & Mortgages | Jun 2022 Mortgage Oct 2020 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 8701-038-002 |
| Primary APN | 8701-038-002 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Building Area | 3,203 sqft Living Area |
| Year Built | Built 1987 |
|---|---|
| Effective Year Built | Effective 1987 |
| Construction Type | Wood |
| Lot Area | 21,964 sqft (0.504 acres) |
| Lot Dimensions | 401 ft deep x 60 ft wide |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 1301 SUMMITRIDGE DR |
|---|---|
| City | DIAMOND BAR |
| State | CA |
| Zip | 91765-4344 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCRPD20000 |
| Legal Description | TR=42570 LOT 2 |
| Legal Subdivision | 42570 |
| Legal Tract | 42570 |
| Legal Block | 1 |
| Legal Lot Number | 2 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 403320 |
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 Company Names on Record |
|---|---|
| Mailing Address | 1301 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4344 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Jun 17, 2022 | Intrafamily Transfer, Transfer · Conventional Mortgage NATIONSTAR MORTGAGE LLC |
| Oct 27, 2020 | Deed of Trust, Mortgage · Conventional Mortgage OWNING CORPORATION |
| Feb 27, 2017 | Quit Claim Deed, Transfer Quitclaim |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 19, 2004 · Amount on Record |
| Deed Sale | Jul 19, 2004 · Amount on Record |
| Deed Document Number | 20041832463 |
| Last Transfer Date | Jun 7, 2022 |
| Transfer Doc | 0000642272 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Jun 17, 2022 |
| Property Address | 1301 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4344 |
| Document Number | 0000642272 |
| Map Reference | MB 1063 PG 61-71 |
| Instrument Date | Jun 7, 2022 |
| Instrument | 22-0642272 |
| Transaction Type | Transfer |
| Record Updated | Jun 24, 2022 |
| Title Company | TITLE 365 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants in Common |
| Address | 1301 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4344 |
| Document Number | 0000642273 |
|---|---|
| Date | Jun 17, 2022 |
| Instrument | 22-0642273 |
| Name | NATIONSTAR MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jul 1, 2052 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 1301 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4344 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | ORANGE COAST TITLE |
| Name | Verified Name |
|---|---|
| Address | 1301 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4344 |
| Document Number | 0001339241 |
|---|---|
| Date | Oct 27, 2020 |
| Instrument | 20-1339241 |
| Name | OWNING CORPORATION |
|---|---|
| Type | Non-Lending Institution |
| Address | ORANGE, CA 92868 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Nov 1, 2050 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Feb 27, 2017 |
| Property Address | 1301 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4344 |
| Document Number | 0000229606 |
| Instrument Date | Jan 11, 2017 |
| Instrument | 229606 |
| Transaction Type | Transfer |
| Record Updated | Mar 15, 2017 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 1301 SUMMITRIDGE DR DIAMOND BAR CA 917654344, DIAMOND BAR, CA 91765-4344 |
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 | $1,101,868 (+2%) Land $635,105 Building $466,763 | |
| 2025 | $14,243.00 (+7.13%) Homeowner's exemption | $1,080,263 (+4.04%) Land $622,652 Building $457,611 |
| 2023 | $13,295.00 (+2.59%) Homeowner's exemption | $1,038,318 Land $598,475 Building $439,843 |
| 2022 | $12,959.00 |
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 58% of the US · lower than 65% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Direct burnable vegetation |
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 529 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
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