(269) 641-5923


The State of Michigan is requiring residents to get the NEW Real ID by May 3rd, 2023. Click here for more information.

View Mason Township 2023 Newsletter here

FREE TIRE DROP OFF! April 26th, 3pm-6pm at Cass County Road Commission. Open to Cass County residents only.

Hazardous Waste Collection. April 26th, 3pm-6pm at Cass County Road Commission. Click here to see the acceptable items.

Spring Clean-up Mason Twp Residents May 13th, 8am-12pm, droppoff at American Waste 15621 Mason St. (Must show proof of residency)

School Election May 2nd, 7am-8pm

Early Voting (in office) Saturday April 29th, 8am-4pm

Public Accurcy Test will be held April 27th at 2pm at Mason Twp.


17049 US 12

P.O. Box 386 Union, MI 49130

Phone: (269) 641-5923
Fax: (269) 641-5718

Township offices are open

Thursday 10 a.m. to 4 p.m.(EST/EDT)
The Clerk is available at these times to take questions, sign up voters, take phone calls, relay messages to Board members.


The current Township officials hold full-time positions elsewhere and are not always immediately available. Please leave messages and they will return your call.

Mason Township Board meets the 2nd Tuesday of each month at 7 p.m. (EST/EDT), at the Township Hall. Mason Township meetings are held within the guidelines of the Open Meetings Act. The public is welcomed and public comment is heard. Whenever meeting date, time or place is changed it will be noted in this space.


Mason-Union Branch of the Cass District Library is located in the Mason Township Hall.

Library services include Internet access. Homebound Books also provides delivery to those homebound.

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.