| Test Building | |
| Nrhp Type: | cp |
| Nocat: | yes |
| Coordinates: | 39.7683°N -86.1589°W |
| Architect: | Bass, Knowlton, & Company |
| Added: | June 16, 1983 |
| Area: | less than one acre |
| Refnum: | 83000138 |
Test Building, also known as the Circle Motor Inn, is a historic commercial building in Indianapolis, Indiana. It was built in 1925, and is a nine-story, reinforced concrete structure with 12-inch thick brick and clay tile curtain walls. It is faced with Indiana limestone and has a three-story brick penthouse and two-level basement. The mixed-use building housed the city's earliest large parking garages.[1]
It was listed on the National Register of Historic Places in 1983. It is in the Washington Street-Monument Circle Historic District.