Brand New Condo's for Rent in Columbia Falls (6 units). 3 bedroom 2 bath $1095.00 Per month for the downstairs units and upstairs $1195.00 per month. Washer and dryer hookups or extra $50.00 per month and owner will provide a set for the unit. Downstairs units are pet friendly for pets under 25 pounds with extra $50.00 per month and $250.00 deposit. Available Now! 8 Diane Rd Columbia Falls. Available by August 15th 6 more across the street at 6 Diane Road.