Los Angeles County property record for 1422 Summitridge Dr, Diamond Bar, CA 91765
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 3,032 sqft · built 1986 |
| Lot Size | 0.158 acres (6,894 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $376,000 (Dec 1998) |
| Tax Bill | $8,354 (2025) |
| Deeds & Mortgages | Oct 2021 Mortgage Nov 2021 Transfer + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 8701-007-101 |
| Primary APN | 8701-007-101 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Building Area | 3,032 sqft Living Area |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 1986 |
| Construction Type | Wood |
| Lot Area | 6,894 sqft (0.158 acres) |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 1422 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 6 |
| Legal Subdivision | 42556 |
| Legal Tract | 42556 |
| Legal Block | 1 |
| Legal Lot Number | 6 |
| 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 are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 1422 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4331 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Oct 26, 2021 | Deed of Trust, Mortgage · Conventional Mortgage TJ FINANCIAL INC |
| Nov 5, 2021 | Intrafamily Transfer, Transfer ACCOMODATION, ACCOMMODATION |
| Jul 12, 2018 | Intrafamily Transfer, Transfer · Conventional Mortgage TJ FINANCIAL INC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 24, 1998 · Amount on File |
| Deed Sale | Dec 24, 1998 · Amount on File |
| Deed Document Number | 19982333019 |
| Last Transfer Date | Oct 15, 2021 |
| Transfer Doc | 0001660251 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 1422 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4331 |
| Transaction Type | Mortgage |
| Record Updated | Sep 26, 2023 |
| Title Company | CALIFORNIA BEST TITLE CO, CALIFORNIA BEST TITLE |
| Name | Verified Name |
|---|---|
| Address | 1422 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4331 |
| Document Number | 0001606503 |
|---|---|
| Date | Oct 26, 2021 |
| Instrument | 21-1606503 |
| Name | TJ FINANCIAL INC |
|---|---|
| Type | Funding / Finance Company |
| Address | MONROVIA, CA 91016 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 181 Months |
| Due | Nov 1, 2036 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Nov 5, 2021 |
| Property Address | 1422 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4331 |
| Document Number | 0001660251 |
| Map Reference | MB 1032 PG 62-66 |
| Instrument Date | Oct 15, 2021 |
| Instrument | 21-1660251 |
| Transaction Type | Transfer |
| Record Updated | May 30, 2023 |
| Title Company | ACCOMODATION, ACCOMMODATION |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 1422 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4331 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Jul 12, 2018 |
| Property Address | 1422 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4331 |
| Document Number | 0000695300 |
| Map Reference | MB 1032 PG 62-66 |
| Instrument Date | Jun 29, 2018 |
| Instrument | 18-0695300 |
| Transaction Type | Transfer |
| Record Updated | Sep 22, 2021 |
| Title Company | PROVIDENT TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 1422 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4331 |
| Document Number | 0000695301 |
|---|---|
| Date | Jul 12, 2018 |
| Instrument | 18-0695301 |
| Name | TJ FINANCIAL INC |
|---|---|
| Type | Funding / Finance Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 181 Months |
| Due | Aug 1, 2033 |
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 | $601,222 (+2%) Land $239,846 Building $361,376 | |
| 2025 | $8,354.00 (+8.63%) Homeowner's exemption | $589,435 (+4.04%) Land $235,144 Building $354,291 |
| 2023 | $7,690.00 (+2.32%) Homeowner's exemption | $566,549 Land $226,014 Building $340,535 |
| 2022 | $7,516.00 |
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 |
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