Lodge Office

Grand Lodge of Missouri
6033 Masonic Drive, Suite B
Columbia, MO 65202-6568
Phone: 573-474-8561
Toll-Free: 877-B-A-MASON (877-226-2766)
E-Mail: grlodge@momason.org
Business Hours
Weekdays 8:30 a.m. – 5:00 pm.
Closed Saturday & Sunday
Office may be closed over the noon hour.

 Office Holidays Schedule 2024-2025

May 8 – Harry S. Truman’s Birthday
May 27 – Memorial Day
June 19 – Juneteenth
July 4 – Independence Day
September 2 – Labor Day
October 14 – Columbus Day
November 11 – Veteran’s Day
November 28 & 29 – Thanksgiving
December 25  – Christmas
January 1- New Year’s Day
January 20 – Martin Luther King Day
February 17 – President’s 

The Masonic Complex is located just off Highway 63 North, less than four miles north of the 63/ I-70 intersection. To reach the Grand Lodge Office, travel on Highway 63 N to the Prathersville Road exit. Turn right at the top of the ramp, then immediately left onto Masonic Drive. Travel down Masonic Drive approximately ½ mile to the Complex. As you enter the front of the building, the Grand Lodge Office is on the left.


Send e-mail directly to any person by clicking on their name. If you are unsure of who your mail should be directed to or if it is of a general nature, send it to the Grand Lodge address.

Dr. Ty G. Treutelaar, P.G.M. – Grand Secretary

Amy Ferrari – Administrative Director 

Ashley Lee – Accounting Manager 

LeAnn Chapman – Communications Manager

Historical Research Requests – Lodge and Member Historical Research and Masonic Affiliation requests.