| Max Keil Building | |
| Location: | 712 N. Market St., Wilmington, Delaware |
| Coordinates: | 39.7429°N -75.5492°W |
| Built: | , 1938 |
| Architecture: | Moderne, Art Deco |
| Added: | January 30, 1985 |
| Refnum: | 85000152 |
| Nrhp Type2: | indcp |
| Partof: | Downtown Wilmington Commercial Historic District |
| Partof Refnum: | 10000079[1] |
| Designated Nrhp Type2: | March 24, 2017 |
| Nocat: | yes |
Max Keil Building is a historic commercial building located at Wilmington, New Castle County, Delaware. It was built about 1850, and modified in the Art Moderne / Art Deco style in 1938. It is a three-story, single-bay commercial building with a rectangular plan built of wall bearing brick construction. The front facade features a large curved glass display window on the first floor and an austere, peach-colored terra-cotta wall with a large rectangular window of structural glass block at the second and third floors.[2]
It was added to the National Register of Historic Places in 1985.