The Johnston House is open to visitors the third Saturday of each month from 11 a.m. to 3 p.m. It is closed October, November and December, except for the Holiday House held the first two weekends of November.
Group tours can be arranged by calling 650-726-0329.
The Johnston House is located just south of the City of Half Moon Bay on the east side of Highway 1 at Higgins-Purisima Road. From Highway 101 or Interstate 280 take Highway 92 west to the coast and turn left on Main Street or Highway 1 to approximately 1 mile to Higgins-Purisima.