Call or text listing agent Rick Tysdal at 605-641-1030 or Jason Tysdal at 605-641-7260 at CENTURY 21 Spearfish Realty. Live on 10 acres in M & M Ranch Subdivision. An unfinished basement can be added for $15,000. You may add a 42x30 shop with 10 foot side walls, two drive thru 10x9 doors, two windows, walk thru door and gravel floor for $27,500. Finished are per the Residential New Construction Guidelines for the Colorado Springs.