Los Angeles County property record for 417 Rockbridge Rd, Diamond Bar, CA 91765
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,260 sqft · built 1975 |
| Lot Size | 0.166 acres (7,248 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $600,000 (Oct 2019) |
| Tax Bill | $8,954 (2025) |
| Deeds & Mortgages | Aug 2020 Mortgage Oct 2019 Sale & Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 8718-020-039 |
| Primary APN | 8718-020-039 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,260 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1975 |
|---|---|
| Effective Year Built | Effective 1975 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Wood Shingle |
| Lot Area | 7,248 sqft (0.166 acres) |
| Lot Dimensions | 103 ft deep x 69 ft wide |
| Garage Type | Attached |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Water Source | Commercial |
| Street Address | 417 ROCKBRIDGE RD |
|---|---|
| City | DIAMOND BAR |
| State | CA |
| Zip | 91765-1247 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCR18000* |
| Legal Description | TRACT NO 28065 LOT 45 |
| Legal Subdivision | 28065 |
| Legal Tract | 28065 |
| Legal Block | 1 |
| Legal Lot Number | 45 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 1 |
| Census Block | 1024 |
| Census Tract | 403327 |
417 Rockbridge Rd is owned and occupied by two individuals who bought it in October 2019.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 417 ROCKBRIDGE RD, DIAMOND BAR, CA 91765-1247 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 |
|---|---|
| Aug 25, 2020 | Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Oct 11, 2019 | Grant Deed, Transfer · Conventional Mortgage HOME POINT FINANCIAL CORPORATION |
| Dec 27, 2017 | Grant Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 11, 2019 · Amount on File |
| Deed Sale | Oct 11, 2019 · Amount on File |
| Prior Sale | Dec 27, 2017 · Amount on File |
| Deed Document Number | 20191086761 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 417 ROCKBRIDGE RD, DIAMOND BAR, CA 91765-1247 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | WFG NATIONAL TITLE COMPANY |
| Name | Verified Name |
|---|
| Document Number | 0000995499 |
|---|---|
| Date | Aug 25, 2020 |
| Instrument | 20-0995499 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Sep 1, 2050 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Oct 11, 2019 |
| Property Address | 417 ROCKBRIDGE RD, DIAMOND BAR, CA 91765-1247 |
| Document Number | 0001086761 |
| Map Reference | MB 839 PG 35&36 |
| Instrument Date | Sep 23, 2019 |
| Instrument | 19-1086761 |
| Transaction Type | Transfer |
| Record Updated | Sep 22, 2021 |
| Title Company | LAWYERS TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 417 ROCKBRIDGE RD, DIAMOND BAR, CA 91765-1247 |
| Document Number | 0001086762 |
|---|---|
| Date | Oct 11, 2019 |
| Instrument | 19-1086762 |
| Name | HOME POINT FINANCIAL CORPORATION |
|---|---|
| Type | Lending Institution |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Nov 1, 2049 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Dec 27, 2017 |
| Property Address | 417 ROCKBRIDGE RD, DIAMOND BAR, CA 91765-1247 |
| Document Number | 0001502934 |
| Map Reference | MB839 PG35&36 |
| Instrument Date | Dec 11, 2017 |
| Instrument | 17-1502934 |
| Transaction Type | Transfer |
| Record Updated | Sep 22, 2021 |
| Title Company | CORINTHIAN TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 417 ROCKBRIDGE RD, DIAMOND BAR, CA 91765-1247 |
| Document Number | 0001502935 |
|---|---|
| Date | Dec 27, 2017 |
| Instrument | 17-1502935 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jan 1, 2048 |
The 2025 property tax bill for 417 Rockbridge Rd was $8,954.
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 | $669,304 (+2%) Land $523,398 Building $145,906 | |
| 2025 | $8,954.00 | $656,182 Land $513,136 Building $143,046 |
| 2023 | $8,102.00 (+1.55%) | $630,704 Land $493,211 Building $137,493 |
| 2022 | $7,978.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 417 Rockbridge Rd in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 30, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 417 Rockbridge Rd is low, with a 0.04% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 65% of the US · lower than 79% of California |
|---|---|
| Wildfire Likelihood | 0.04% annual chance |
| Exposure | None beyond 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 355 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 7,000 / 7,000 |
| 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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