Los Angeles County property record for 980 Summitridge Dr, Diamond Bar, CA 91765
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,522 sqft · built 1988 |
| Lot Size | 0.41 acres (17,869 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $574,500 (Feb 2012) |
| Tax Bill | $10,589 (2025) |
| Deeds & Mortgages | Jan 2024 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 8701-045-071 |
| Primary APN | 8701-045-071 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Building Area | 2,522 sqft Living Area |
| Year Built | Built 1988 |
|---|---|
| Effective Year Built | Effective 1988 |
| Construction Type | Wood |
| Lot Area | 17,869 sqft (0.41 acres) |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 980 SUMMITRIDGE DR |
|---|---|
| City | DIAMOND BAR |
| State | CA |
| Zip | 91765-4383 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCRPD20000 |
| Legal Description | TR=42574 LOT 10 |
| Legal Subdivision | 42574 |
| Legal Tract | 42574 |
| Legal Block | 2 |
| Legal Lot Number | 10 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 403320 |
980 Summitridge Dr is owner-occupied and held in a trust since December 2023.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 980 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4383 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Feb 24, 2012 · Amount on File |
| Deed Sale | Feb 24, 2012 · Amount on File |
| Deed Document Number | 2012295330 |
| Last Transfer Date | Dec 27, 2023 |
| Transfer Doc | 0000009683 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Jan 5, 2024 |
| Property Address | 980 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4383 |
| Document Number | 0000009683 |
| Map Reference | MB 1095 PG 33-37 |
| Instrument Date | Dec 27, 2023 |
| Instrument | 24-0009683 |
| Transaction Type | Transfer |
| Record Updated | Jan 25, 2024 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 980 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4383 |
The 2025 property tax bill for 980 Summitridge Dr was $10,589.
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 | Pomona Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $735,765 (+2%) Land $458,012 Building $277,753 | |
| 2025 | $10,589.00 | $721,339 Land $449,032 Building $272,307 |
| 2023 | $9,564.00 (+1.71%) | $693,331 Land $431,597 Building $261,734 |
| 2022 | $9,403.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 980 Summitridge Dr in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 30, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire risk around 980 Summitridge Dr is moderate, ranking above 62% of the US, with a 0.2% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 62% of the US · lower than 62% of California |
|---|---|
| Wildfire Likelihood | 0.2% 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 414 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 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures