Sonoma Plaza
Sonoma Plaza  | |
| Location | Sonoma, California | 
|---|---|
| Coordinates | 38°17′34″N 122°27′28″W / 38.29278°N 122.45778°W | 
| Built | 1846 | 
| Architectural style | Italianate, Mission/Spanish Revival | 
| NRHP reference No. | 75000489 | 
| Significant dates | |
| Added to NRHP | April 3, 1975 | 
| Designated NHLD | December 19, 1960 | 
Sonoma Plaza (Spanish: Plaza de Sonoma) is the central plaza of Sonoma, California. The plaza, the largest in California, was laid out in 1835 by Mariano Guadalupe Vallejo, founder of Sonoma.