James Hammell, a Santa Barbara businessman, had the hotel built of redwood from Northern California at a cost of about $7200. Constructed in the Monterey style featuring two stories, wraparound porch and balcony, the hotel was publicized in a Ventura newspaper as a pleasure resort. "Shooting, fishing, and bathing, and a first-rate table are among the good things on hand for visitors," said the newspaper write-up that appeared the summer the Inn opened.

Stagecoaches continued to ply their way through the Conejo Valley into the late 1800s and many hotel guests used that mode of transportation. The Grand Union Hotel was the first commercial use building to be erected in the Conejo Valley.

Following the drought of 1877-78 Hammell no longer owned the hotel. After passing through several owners, it was purchased in 1885 by Cecil Haigh, an Englishman.
 

In the mid-1960s, the Inn was threatened with demolition by the expansion of the Ventura Freeway.

The Conejo Valley Historical Society, which was formed in order to save the building, was successful in having the Stagecoach Inn declared a California Landmark in 1965. H. Allen Hays, grandson of Cecil Haigh, gave the building and about four acres of land at the present location to the CVHS, who later deeded the property to the Conejo Recreation and Park District in return for a 50-year renewable lease to operate the facilities for cultural and educational purposes.

After the hotel was moved in 1966, community volunteers and the historical society prepared it as a museum. A docent council was formed and tours given.

In April of 1970, a fire of undetermined origin completely destroyed the museum and most of its contents. It was rebuilt to appear as it did when it was first constructed.
 

Although the reconstructed museum was dedicated and opened on July 4, 1976, the second floor was not completed until 1980.

Since the reconstruction of the Inn, many donations were received, again from generous and caring community members to furnish and rebuild the museum to its present day glory.

From antique furniture, dolls, toys, and memorabilia, to the magnificent music room collection, the Stagecoach Inn has something of interest for everyone.

Ornate furniture adorns every corner of the Inn and is truly beauty to behold.

The formal dining room is a presentation of elegance and charm of the times.

Adjacent to the Inn is the Carriage house and Blacksmith Shop where the stagecoaches are kept and brought out for special occasions.