Opp Construction is headquartered in Grand Forks, ND with an additional location in Fargo, ND. Addresses are as follows:

3625 N. Washington St.
P.O. Box 13530
Grand Forks, ND 58208-3530
T: (701) 775-3322

County Rd 20 & I29
P.O. Box 2871
Fargo, ND 58108-2871
T: (701) 281-1212

Information regarding this website please email Sally Opp

For all other questions regarding work in your area, please request a quote using this website. You can also email Greg Opp.