Southwestern University Administration Building and Mood Hall | |
 Southwest view of the Cullen Building tower | |
  Southwestern University Administration Building and Mood Hall  Southwestern University Administration Building and Mood Hall | |
 Interactive map showing the location for Hugh Roy and Lillie Cullen Building | |
| Location | 1001 E. University Ave., Georgetown, Texas |
|---|---|
| Coordinates | 30°38′0″N 97°40′1″W / 30.63333°N 97.66694°W |
| Area | 2 acres (0.81 ha) |
| Built | 1900 |
| Architect | Robert S. Hyer |
| Architectural style | Romanesque, Richardsonian Romanesque |
| NRHP reference No. | 75002013[1] |
| RTHL No. | 9342 |
| Significant dates | |
| Added to NRHP | April 23, 1975 |
| Designated RTHL | 1962 |
The Hugh Roy and Lillie Cullen Building (formerly the Administration Building) is the central administration building of Southwestern University in Georgetown, Texas. Completed in 1900, the Cullen Building was declared a Recorded Texas Historic Landmark in 1962 and has been listed on the National Register of Historic Places since 1975, together with neighboring Mood-Bridwell Hall.