Los Angeles County property record for 1307 Summitridge Dr, Diamond Bar, CA 91765
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,744 sqft · built 1987 |
| Lot Size | 0.858 acres (37,373 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $1,280,000 (Jul 2021) |
| Tax Bill | $17,538 (2025) |
| Deeds & Mortgages | Jul 2021 Sale May 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 8701-038-001 |
| Primary APN | 8701-038-001 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Building Area | 2,744 sqft Living Area |
| Year Built | Built 1987 |
|---|---|
| Effective Year Built | Effective 1987 |
| Construction Type | Wood |
| Lot Area | 37,373 sqft (0.858 acres) |
| Lot Dimensions | 339 ft deep x 61 ft wide |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 1307 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 1 |
| Legal Subdivision | 42570 |
| Legal Tract | 42570 |
| Legal Block | 1 |
| Legal Lot Number | 1 |
| 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 are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 1307 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4344 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Jul 12, 2021 | Grant Deed, Transfer TICOR TITLE INSURANCE COMPANY, TICOR TITLE |
| May 12, 2017 | Quit Claim Deed, Transfer · Conventional Mortgage JG WENTWORTH HM LNDG |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 12, 2021 · Amount on Record |
| Deed Sale | Jul 12, 2021 · Amount on Record |
| Prior Sale | Jun 30, 1998 · Amount on Record |
| Deed Document Number | 20211072315 |
| Prior Transfer Date | Apr 25, 2017 |
| Prior Transfer Doc | 0000534014 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Jul 12, 2021 |
| Property Address | 1307 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4344 |
| Document Number | 0001072315 |
| Map Reference | MB 1063 PG 61-71 |
| Instrument Date | Jun 15, 2021 |
| Instrument | 21-1072315 |
| Transaction Type | Transfer |
| Record Updated | Aug 3, 2021 |
| Title Company | TICOR TITLE INSURANCE COMPANY, TICOR TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1307 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4344 |
| Investor | Possibly a Property Investor |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | May 12, 2017 |
| Property Address | 1307 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4344 |
| Document Number | 0000534014 |
| Instrument Date | Apr 25, 2017 |
| Instrument | 534014 |
| Transaction Type | Transfer |
| Record Updated | May 19, 2017 |
| Title Company | OTHER |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 1307 SUMMITRIDGE DR DIAMOND BAR CA 917654344, DIAMOND BAR, CA 91765-4344 |
| Document Number | 534015 |
|---|---|
| Date | May 12, 2017 |
| Instrument | 534015 |
| Name | JG WENTWORTH HM LNDG |
|---|---|
| Address | WOODBRIDGE, VA 22192 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | May 11, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.5% |
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 | $1,385,511 (+2%) Land $649,458 Building $736,053 | |
| 2025 | $17,538.00 (+7.02%) | $1,358,345 (+4.04%) Land $636,724 Building $721,621 |
| 2023 | $16,388.00 (+2.5%) | $1,305,600 Land $612,000 Building $693,600 |
| 2022 | $15,989.00 |
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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