Los Angeles County property record for 1430 Summitridge Dr, Diamond Bar, CA 91765
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 1,759 sqft · built 1984 |
| Lot Size | 0.166 acres (7,242 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $6,596 (2025) |
| Deeds & Mortgages | May 2023 Transfer Mar 2023 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 8701-007-099 |
| Primary APN | 8701-007-099 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Building Area | 1,759 sqft Living Area |
| Year Built | Built 1984 |
|---|---|
| Effective Year Built | Effective 1984 |
| Construction Type | Wood |
| Lot Area | 7,242 sqft (0.166 acres) |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 1430 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 4 |
| Legal Subdivision | 42556 |
| Legal Tract | 42556 |
| Legal Block | 1 |
| Legal Lot Number | 4 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 403320 |
1430 Summitridge Dr is held in a trust since January 1994.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 952 HERITAGE DR, WEST COVINA, CA 91791-3453 |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| May 9, 2023 | Intrafamily Transfer, Transfer ACCOMODATION, ACCOMMODATION |
| Mar 15, 2023 | Grant Deed, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATL TTL ORANGE CNT |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Jan 19, 1994 |
| Transfer Doc | 0000183825 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | May 9, 2023 |
| Property Address | 1430 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4331 |
| Document Number | 0000300767 |
| Map Reference | MB 1032 PG 62-66 |
| Instrument Date | May 4, 2023 |
| Instrument | 23-0300767 |
| Transaction Type | Transfer |
| Record Updated | May 18, 2023 |
| Title Company | ACCOMODATION, ACCOMMODATION |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 952 HERITAGE DR, WEST COVINA, CA 91791-3453 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Mar 15, 2023 |
| Property Address | 1430 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4331 |
| Document Number | 0000165519 |
| Map Reference | MB 1032 PG 62-66 |
| Instrument Date | Mar 9, 2023 |
| Instrument | 23-0165519 |
| Transaction Type | Transfer |
| Record Updated | Mar 23, 2023 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATL TTL ORANGE CNT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 962 HERITAGE DR, WEST COVINA, CA 91791-3453 |
The 2025 property tax bill for 1430 Summitridge Dr was $6,596, up 6.5% from the year before.
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 | $450,896 (+2%) Land $229,871 Building $221,025 | |
| 2025 | $6,596.00 (+6.51%) | $442,056 Land $225,364 Building $216,692 |
| 2024 | $6,193.00 (+2.45%) | |
| 2023 | $6,045.00 (+2.37%) | $424,893 Land $216,614 Building $208,279 |
| 2022 | $5,905.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1430 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 1430 Summitridge Dr is low, with a 0.05% annual chance of wildfire.
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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