Los Angeles County property record for 1048 Summitridge Dr, Diamond Bar, CA 91765
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,744 sqft · built 1987 |
| Lot Size | 0.142 acres (6,200 sqft) |
| Owner | Individual Name on File |
| Last Sale | $1,398,000 (Sep 2022) |
| Tax Bill | $18,561 (2025) |
| Deeds & Mortgages | Sep 2022 Transfer Sep 2022 Sale & Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 8701-042-005 |
| Primary APN | 8701-042-005 |
|---|
| 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 | 6,200 sqft (0.142 acres) |
| Lot Dimensions | 97 ft deep x 64 ft wide |
| Pool Type | Spa / Hot Tub (No Pool) |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 1048 SUMMITRIDGE DR |
|---|---|
| City | DIAMOND BAR |
| State | CA |
| Zip | 91765-4364 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCRPD20000 |
| Legal Description | TR=42571 LOT 11 |
| Legal Subdivision | 42571 |
| Legal Tract | 42571 |
| Legal Block | 2 |
| Legal Lot Number | 11 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 2 |
| Census Block | 2010 |
| Census Tract | 403320 |
Source: Los Angeles County assessment roll, APN 8701-042-005, as of May 21, 2026 · Last verified June 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1048 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4364 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Surviving Spouse |
| Date | Document |
|---|---|
| Sep 19, 2022 | Quit Claim Deed, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE IE |
| Sep 19, 2022 | Grant Deed, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Mar 22, 2022 | Grant Deed, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE IE |
| Mar 22, 2022 | Intrafamily Transfer, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE IE |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Sep 19, 2022 · Amount on Record |
| Deed Sale | Sep 19, 2022 · Amount on Record |
| Prior Sale | Mar 22, 2022 · Amount on Record |
| Deed Document Number | 2022915682 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Sep 19, 2022 |
| Property Address | 1048 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4364 |
| Document Number | 0000915681 |
| Map Reference | MB 1063 PG 72-76 |
| Instrument Date | Sep 02, 2022 |
| Instrument | 22-0915681 |
| Transaction Type | Transfer |
| Record Updated | Sep 28, 2022 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE IE |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1048 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4364 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Sep 19, 2022 |
| Property Address | 1048 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4364 |
| Document Number | 0000915682 |
| Map Reference | MB 1063 PG 72-76 |
| Instrument Date | Aug 31, 2022 |
| Instrument | 22-0915682 |
| Transaction Type | Transfer |
| Record Updated | Sep 28, 2022 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE IE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1048 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4364 |
| Document Number | 0000915683 |
|---|---|
| Date | Sep 19, 2022 |
| Instrument | 22-0915683 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 01, 2052 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Mar 22, 2022 |
| Property Address | 1048 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4364 |
| Document Number | 0000324527 |
| Map Reference | MB 1063 PG 72-76 |
| Instrument Date | Mar 17, 2022 |
| Instrument | 22-0324527 |
| Transaction Type | Transfer |
| Record Updated | Apr 01, 2022 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE IE |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1048 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4364 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Mar 22, 2022 |
| Property Address | 1048 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4364 |
| Document Number | 0000324526 |
| Map Reference | MB 1063 PG 72-76 |
| Instrument Date | Feb 17, 2022 |
| Instrument | 22-0324526 |
| Transaction Type | Transfer |
| Record Updated | Apr 01, 2022 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE IE |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1048 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4364 |
Source: Los Angeles County assessment roll as of May 21, 2026 · Last verified June 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 | $18,561.00 (+7.48%) | $1,454,479 (+4.04%) Land $728,280 Building $726,199 |
| 2023 | $17,270.00 (+153.26%) | $1,398,000 Land $700,000 Building $698,000 |
| 2022 | $6,819.00 |
Source: FEMA National Flood Hazard Layer, Los Angeles County (06037C), as of September 30, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060374033202, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
| Wildfire Risk | Moderate above 46% of the US · lower than 72% of California |
|---|---|
| Wildfire Likelihood | 0.09% annual chance |
| Exposure | Indirect within ember reach |
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.
Source: FCC Broadband Data Collection, 529 locations within half a mile, as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
Source: EPA Safe Drinking Water Information System, water system CA1910234, as of 2026 Q3 · EPA water system boundaries as of 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