The Big Stone House
John Marsh Stone House
A California Landmark at Marsh Creek State Historic Park
California’s First Stone Mansion
Built in 1856 from native sandstone, the John Marsh Stone House is one of California’s earliest and most distinctive historic homes. Its Gothic‑Italianate design, three‑story tower, and hand‑cut stone walls made it a landmark on the frontier and a symbol of California’s transition from Mexican territory to American statehood.
A Pioneer’s Vision
Dr. John Marsh—Harvard‑educated physician, rancher, and influential early settler—established Rancho Los Méganos in the 1850s. He commissioned architect Thomas Boyd to design a refined residence overlooking Marsh Creek. The home was completed shortly before Marsh’s death in 1856.
A Landscape of Deep History
The Stone House stands within a culturally rich corridor that includes:
Bay Miwok / Volvon heritage
Mexican land‑grant history
The first overland wagon train’s arrival in 1846
Early California statehood and settlement
Endurance and Restoration
After decades of weathering and abandonment, the Stone House remains a rare surviving example of early frontier architecture. California State Parks, with support from the John Marsh Historic Trust, is restoring the home to its 1856 appearance and preparing it for future public use.
Planned features include interpretive exhibits, youth education programs, guided tours, and reconstructed historic elements such as the Marsh Adobe House and a Miwok village.
Preserve a California Treasure
The John Marsh Historic Trust works to protect and interpret this irreplaceable landmark. Community support ensures the Stone House will be enjoyed for generations.