Rancho Petaluma Adobe
| Rancho Petaluma Adobe | |
|---|---|
Rancho Petaluma Adobe, California | |
Interactive map of the Rancho Petaluma Adobe area | |
| General information | |
| Location | east of Petaluma, California, United States |
| Coordinates | 38°15′20″N 122°35′04″W / 38.25547°N 122.58451°W |
| Construction started | 1834 |
| Completed | 1857 |
| Cost | $80,000 |
| Client | Mariano Guadalupe Vallejo |
| Technical details | |
| Structural system | adobe brick and timber |
| Size | 200 x 145 feet (44.2 m) |
Petaluma Adobe | |
| Location | Casa Grande Road, Petaluma, California |
| Area | 5 acres (2.0 ha) |
| Built | 1836 |
| Architectural style | Adobe/Monterey Colonial |
| NRHP reference No. | 70000151 |
| CHISL No. | 18 |
| Significant dates | |
| Added to NRHP | April 15, 1970 |
| Designated NHL | April 15, 1970 |
| Designated CHISL | June 1, 1932 |
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Rancho Petaluma Adobe is a historic ranch house in Sonoma County, California. It was built from adobe bricks in 1836 by order of Mariano Guadalupe Vallejo. It was the largest privately owned adobe structure built in California and is the largest example of the Monterey Colonial style of architecture in the United States. A section of the former ranch has been preserved by the Petaluma Adobe State Historic Park and it is both a California Historic Landmark and a National Historic Landmark. The Rancho Petaluma Adobe State Historic Park is located on Adobe Road on the east side of the present-day town of Petaluma, California.