Los Angeles County property record for 510 San Roque Dr, Walnut, CA 91789
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,727 sqft · built 1977 |
| Lot Size | 0.193 acres (8,414 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $182,500 (May 1997) |
| Tax Bill | $4,385 (2025) |
| Deeds & Mortgages | Jul 2017 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 8734-018-044 |
| Primary APN | 8734-018-044 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 1,727 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 | 8,414 sqft (0.193 acres) |
| Lot Dimensions | 78 ft deep x 108 ft wide |
| Garage Type | Attached |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Water Source | Commercial |
| Street Address | 510 SAN ROQUE DR |
|---|---|
| City | WALNUT |
| State | CA |
| Zip | 91789-1741 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | WAR17200* |
| Legal Description | *TR=27315 LOT 65 |
| Legal Subdivision | 27315 |
| Legal Tract | 27315 |
| Legal Block | 3 |
| Legal Lot Number | 65 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 403401 |
Source: Los Angeles County records, as of May 21, 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 | 510 SAN ROQUE DR, WALNUT, CA 91789-1741 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family Living Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 6, 1997 · Amount on Record |
| Deed Sale | May 6, 1997 · Amount on Record |
| Deed Document Number | 1997682267 |
| Last Transfer Date | Nov 20, 2006 |
| Transfer Doc | 0001278834 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 510 SAN ROQUE DR, WALNUT, CA 91789-1741 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | CHICAGO TITLE COMPANY |
| Name | Verified Name |
|---|
| Document Number | 0000819715 |
|---|---|
| Date | Jul 21, 2017 |
| Instrument | 17-0819715 |
| Name | CATHAY BANK |
|---|---|
| Type | Bank |
| Address | EL MONTE, CA 91731 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
Source: Los Angeles County assessment roll, as of May 21, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | Walnut City |
| Unified School District | Rowland Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $4,385.00 (+8.57%) Homeowner's exemption | $297,204 (+4.04%) Land $159,434 Building $137,770 |
| 2023 | $4,039.00 (+2.12%) Homeowner's exemption | $285,665 Land $153,244 Building $132,421 |
| 2022 | $3,955.00 |
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
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land 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 | SUBURBAN WATER SYSTEMS-SAN JOSE private · serves 170,523 people · EPA ID CA1910205 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Aug 2024 |
| Also Mapped Here | THREE VALLEYS MWD |
| Lead | Under 1 ppb (2023–2025) 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 380 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 |
May also be available: AT&T, GeoLinks.
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