Grant County property record for 300 Thompson Ave, Mount Vernon, OR 97865
| Property Type | Mobile Home |
|---|---|
| Details | 1,344 sqft · built 1972 |
| Lot Size | 0.23 acres (10,018 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $890 (2025) |
| APN | 13S3021CD 02920 |
| Primary APN | 13S3021CD 02920 |
|---|---|
| Alternative APNs |
|
| Stories | 1 Story |
|---|---|
| Building Area | 1,344 sqft Living Area |
| 1st Floor Area | 1,344 sqft |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1972 |
| Architectural Style | Mobile Home |
| Lot Area | 10,018 sqft (0.23 acres) |
| Account Number | 004719 |
|---|---|
| Street Address | 300 THOMPSON AVE |
| City | MOUNT VERNON |
| State | OR |
| Zip | 97865-3440 |
| Property Category | Residential |
| Property Type | Residential > Prefabricated > Mobile Home |
| Legal Description | .23 ACRES 155908 L/LE/X/EM # |
| Jurisdiction | GRANT OR |
| Township / Civil Division | JOHN DAY |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 960201 |
300 Thompson Ave, a mobile home, is owned by a company.
Source: Grant County records, as of October 13, 2026
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | PO BOX 220, STAR, ID 83669-0220 |
| Owner Type | Company |
| Vesting | Borrower in Default |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 300 Thompson Ave was $890.
Source: Grant County assessment roll, as of December 26, 2025
| Type | Name |
|---|---|
| State | Oregon |
| County | Grant County |
| Municipality | Mount Vernon City |
| Unified School District | John Day School District 3 (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $890.00 | $87,598 Land $26,854 Building $60,744 | $143,890 Land $44,110 Building $99,780 |
| 2023 | $841.00 | $82,570 Land $28,097 Building $54,473 | $140,790 Land $47,910 Building $92,880 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA has no flood map on file for 300 Thompson Ave; 6 flood insurance policies are in force nearby.
Source: FEMA National Flood Hazard Layer · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Not on file |
|---|---|
| Nearby Flood Policies | 6 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 300 Thompson Ave is high, ranking above 72% of the US, with a 0.4% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 72% of the US · lower than 66% of Oregon |
|---|---|
| Wildfire Likelihood | 0.4% annual chance |
| Exposure | Direct burnable vegetation |
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 | CITY OF MOUNT VERNON serves 510 people · EPA ID OR4100546 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Aug 2024 |
| Lead | 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 80 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Rally Networks Fiber · DSL in parts of the area | 1,000 / 1,000 |
4G LTE only, no 5G reported
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