The Moss Mansion Museum is a turn-of-the-century home, designed by New York architect Henry Janeway Hardenbergh and built in 1903.  Listed on the National Register of Historic Places, today The Moss is a cultural center that celebrates the influential entrepreneurial accomplishments of Preston Boyd (P.B.) Moss and the ongoing legacy nurtured by wife, Mattie and daughter, Melville. From social events to fundraisers, from daily tours to educational partnerships, every visit is an opportunity to experience some aspect of this legacy. You are invited - come make history with us!

Winter Hours

The Moss Mansion is temporarily closed for annual cleaning, maintenance, and major preservation projects.

Please check our Calendar page frequently for tour dates To Be Determined in February.

Self-Guided Tours – Dates TBD
Thurs-Mon 12 pm to 3 pm
Tues-Weds No Tours

Tour dates are subject to change according to major preservation projects and COVID-19 conditions.

Guided Tours – Dates TBD
by appointment only: Call 406-256-5100;
allow at least 48 hours notice

See the Calendar for special events, fundraisers, and upcoming schedule changes.


Feb 22, 2020

Walking in the front door for the first time you will wonder if you could possibly be in Billings, Montana. Exquisite craftsmanship and fascinating history. You won’t be disappointed! If you are in Billings June 6th, 2020 don’t miss Moss Mansion’s SpringFest! Now in its 32nd year, SpringFest is an outdoor festival featuring juried arts and crafts, antiques and collectibles, plus food and specialty booths. Live music, local entertainers, art and craft demonstrations, and children’s activities make the day truly memorable and fun for the the entire family. It’s a beautiful setting!
~ Adventure476157, Trip Advisor

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