John Ruan House
Ruan Mostert House | |
| Location | 4278–4280 Griscom St., Philadelphia, Pennsylvania |
|---|---|
| Coordinates | 40°0′36″N 75°5′28″W / 40.01000°N 75.09111°W |
| Built | 1796 |
| Architectural style | Georgian |
| NRHP reference No. | 85003410 |
| Significant dates | |
| Added to NRHP | October 31, 1985 |
| Designated PRHP | January 3, 1985 |
The John Ruan House is a historical mansion located in Frankford, a neighborhood in Philadelphia, Pennsylvania, United States. It was built in 1796 for John Ruan, a Pennsylvanian physician and community leader.