Los Angeles County property record for 1438 Summitridge Dr, Diamond Bar, CA 91765
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 1,874 sqft · built 1984 |
| Lot Size | 0.161 acres (7,016 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $7,256 (2025) |
| Deeds & Mortgages | Apr 2024 Transfer Apr 2024 Transfer + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 8701-007-084 |
| Primary APN | 8701-007-084 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Building Area | 1,874 sqft Living Area |
| Year Built | Built 1984 |
|---|---|
| Effective Year Built | Effective 1984 |
| Construction Type | Wood |
| Lot Area | 7,016 sqft (0.161 acres) |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 1438 SUMMITRIDGE DR |
|---|---|
| City | DIAMOND BAR |
| State | CA |
| Zip | 91765-4331 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCRPD20000 |
| Legal Description | TR=42556 LOT 2 |
| Legal Subdivision | 42556 |
| Legal Tract | 42556 |
| Legal Block | 1 |
| Legal Lot Number | 2 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 2 |
| Census Block | 2011 |
| 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 | 1438 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4331 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
| Date | Document |
|---|---|
| Apr 22, 2024 | Intrafamily Transfer, Transfer |
| Apr 22, 2024 | Intrafamily Transfer, Transfer |
| Apr 22, 2024 | Intrafamily Transfer, Transfer |
| Jul 2, 2019 | Deed of Trust, Mortgage · Line of Credit BANK OF THE WEST |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Mar 14, 2024 |
| Transfer Doc | 0000262458 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Apr 22, 2024 |
| Property Address | 1438 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4331 |
| Document Number | 0000262460 |
| Map Reference | MB 279 PG 70&71 |
| Instrument Date | Mar 15, 2024 |
| Instrument | 24-0262460 |
| Transaction Type | Transfer |
| Record Updated | May 3, 2024 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 2200 HATHAWAY AVE, ALHAMBRA, CA 91803-4524 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Apr 22, 2024 |
| Property Address | 1438 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4331 |
| Document Number | 0000262459 |
| Map Reference | MB 279 PG 70&71 |
| Instrument Date | Mar 15, 2024 |
| Instrument | 24-0262459 |
| Transaction Type | Transfer |
| Record Updated | May 3, 2024 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 515 N LINCOLN AVE, MONTEREY PARK, CA 91755-1207 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Apr 22, 2024 |
| Property Address | 1438 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4331 |
| Document Number | 0000262458 |
| Map Reference | MB 1032 PG 62-66 |
| Instrument Date | Mar 14, 2024 |
| Instrument | 24-0262458 |
| Transaction Type | Transfer |
| Record Updated | May 3, 2024 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 1438 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4331 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 1438 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4331 |
| Document Number | 0000821143 |
| Instrument Date | Jul 2, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Aug 27, 2019 |
| Title Company | OTHER |
| Name | Verified Name |
|---|---|
| Address | 1438 SUMMITRIDGE DR DIAMOND BAR CA 917654331, DIAMOND BAR, CA 91765-4331 |
| Document Number | 0000821143 |
|---|---|
| Date | Aug 15, 2019 |
| Instrument | 821143 |
| Name | BANK OF THE WEST |
|---|---|
| Type | Bank |
| Address | OMAHA, NE 68154 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Aug 14, 2049 |
| Rate Type | Adjustable Rate |
|---|
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 | $518,100 (+2%) Land $204,584 Building $313,516 | |
| 2025 | $7,256.00 (+8.51%) Homeowner's exemption | $507,942 (+4.04%) Land $200,573 Building $307,369 |
| 2023 | $6,687.00 (+2.37%) Homeowner's exemption | $488,221 Land $192,786 Building $295,435 |
| 2022 | $6,532.00 |
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 · 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 64% of the US · lower than 79% of California |
|---|---|
| Wildfire Likelihood | 0.05% 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 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 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures