Los Angeles County property record for 1709 Roundtree Cir, Diamond Bar, CA 91765 · Last verified June 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,390 sqft · built 1977 |
| Lot Size | 0.16 acres (6,983 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $670,000 (Mar 2020) |
| Tax Bill | $9,317 (2025) |
| Deeds & Mortgages | Mar 2020 Sale & Mortgage Mar 2017 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 8292-020-045 |
| Primary APN | 8292-020-045 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 1,390 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1977 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Wood Shingle |
| Lot Area | 6,983 sqft (0.16 acres) |
| Lot Dimensions | 115 ft deep x 60 ft wide |
| Garage Type | Attached |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Water Source | Commercial |
| Street Address | 1709 ROUNDTREE CIR |
|---|---|
| City | DIAMOND BAR |
| State | CA |
| Zip | 91765-2752 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | *TR=28579 LOT 96 |
| Legal Subdivision | 28579 |
| Legal Tract | 28579 |
| Legal Block | 2 |
| Legal Lot Number | 96 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 403328 |
Source: Los Angeles County records · APN 8292-020-045
Assessment roll updated 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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 1709 ROUNDTREE CIR, DIAMOND BAR, CA 91765-2752 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Mar 16, 2020 | Grant Deed, Transfer · Conventional Mortgage EAST WEST BANK |
| Mar 29, 2017 | Affidavit of Death, Transfer ATTORNEY ONLY |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Mar 16, 2020 · Amount on Record |
| Deed Sale | Mar 16, 2020 · Amount on Record |
| Deed Document Number | 2020307238 |
| Prior Transfer Date | Apr 07, 2003 |
| Prior Transfer Doc | 0001421440 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Mar 16, 2020 |
| Property Address | 1709 ROUNDTREE CIR, DIAMOND BAR, CA 91765-2752 |
| Document Number | 0000307238 |
| Map Reference | MB 862 PG 40-46 |
| Instrument Date | Aug 23, 2019 |
| Instrument | 20-0307238 |
| Transaction Type | Transfer |
| Record Updated | Sep 22, 2021 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| 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 |
|---|---|
| Relationship | Joint Tenants |
| Address | 1709 ROUNDTREE CIR, DIAMOND BAR, CA 91765-2752 |
| Document Number | 0000307239 |
|---|---|
| Date | Mar 16, 2020 |
| Instrument | 20-0307239 |
| Name | EAST WEST BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Apr 01, 2050 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4% |
| Type Change Date | Apr 01, 2025 |
| Change Frequency | Annually |
| Min Rate At Change | 3.25% |
| Max Rate At Change | 6% |
| Index | 1-Year CMT |
| Max Rate | 1% |
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Mar 29, 2017 |
| Property Address | 1709 ROUNDTREE CIR, DIAMOND BAR, CA 91765-2752 |
| Document Number | 0000348561 |
| Instrument Date | Mar 21, 2017 |
| Instrument | 348561 |
| Transaction Type | Transfer |
| Record Updated | Apr 10, 2017 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1709 ROUNDTREE CIR DIAMOND BAR CA 917652752, DIAMOND BAR, CA 91765-2752 |
Source: Los Angeles County records · Assessment roll updated 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 | $9,317.00 (+7.18%) | $732,736 (+4.04%) Land $538,289 Building $194,447 |
| 2023 | $8,693.00 (+2.14%) | $704,286 Land $517,388 Building $186,898 |
| 2022 | $8,511.00 |
Source: FEMA National Flood Hazard Layer, Los Angeles County (06037C), updated September 30, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 441 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Spectrum | Cable | 1,000 / 35 |
May also be available at this address: T-Mobile USA, Verizon, Frontier. Availability varies by address; speeds are provider-advertised maximums, not measured.
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