(269) 641-5923


In February 1973, the Cass County Library established the Mason-Union Branch Library in the the original section of the old schoolhouse at the Mason Township Hall. The library became a branch of the Cass District Library 1993.

Today, library services includes Internet access. Homebound Books also provides delivery to those home bound. Call (269) 357-7822 or (866) 808-7323 for details. Watch for the many exciting and entertaining special programs available, including children’s story hours at the Mason-Union Branch. Check events at Mason-Branch Library by clicking here.

Friends of the Cass District Library, Mason-Union Branch meet on the second Wednesday of the month at 7 p.m.

President, Deborah Lang (269) 641-5612

17049 US 12 (Corner of US 12 & Kessington)
Edwardsburg, MI 49112 – Directions
(269) 357-7821

Librarian: Holly Clark
Library Representative: Rebecca Crocker

Mon 11:00am-7:00pm
Tue 9:00am-5:00pm
Wed 11:00am-7:00pm
Thu 9:00am-5:00pm
Fri Closed
Sat 9:00am-1:00pm
Sun Closed


Cass District Library – Main Branch

319 M-62 North
Cassopolis, MI 49031 – Directions
(269) 357-7822 or 866-808-7323
Mon-Thur: 9 am – 7pm
Fri: 9 am – 6 pm
Sat: 9 am – 3 pm
Sun: Closed

Cass County Local History Library (Carnegie Library)

Geneology research information available.
145 N. Broadway
Cassopolis, MI 49031 – Directions
(269) 357-7823
Mon-Thur: 9 am – 4 pm
Sat: 9am – 1pm

Mason-Union Branch Library, Mason Township, Cass County, MI


Mason Township Hall, Cass County, MI