| Otto W. and Ida L. Nelson House | |
| Designated Other1 Name: | Portland Historic Landmark[1] |
| Designated Other1 Color: | lightgreen |
| Location: | 203 SE 15th Avenue Portland, Oregon |
| Coordinates: | 45.5213°N -122.6509°W |
| Map Alt: | Locator map |
| Built: | 1896 |
| Architecture: | Queen Anne |
| Added: | August 2, 2001 |
| Mpsub: | Portland Oregon’s Eastside Historic and Architectural Resources, 1850-1938 |
| Refnum: | 01000831 |
The Otto W. and Ida L. Nelson House is a house located in southeast Portland, Oregon, listed on the National Register of Historic Places.[2]