Penrose Lumber, in Grinnell, Iowa, is the area's leading lumber and construction company serving Grinnell and surrounding areas since 1968. We specialize in building new homes and lots, remodeling, room additions, kitchen and bathroom remodeling and much more. We also affiliated with The Guest House down the road, your local bed and breakfast! For all your lumber and construction needs, contact Penrose Lumber in Grinnell. Penrose Lumber is here for all your building needs with standard and treated lumber. This is the deck building season, multiple brands of composite decking available including Trex, Tamko Ever Grain, and Fiberon. Vinyl and wood windows and steel doors to fit your size and design. If a new kitchen is in your plan we have several brands of cabinets available to fit your budget. Certifications: Licensed, Bonded and Insured. Professional Associations: Iowa Bed and Breakfast Association, Pheasants Forever.