Grummert's have been helping homeowners in Northwest Illinois since 1970! We've enjoyed providing excellent customer service to the Illinois communities of Whiteside County, Lee County, Bureau County, as well as Carroll County. Grummert's two Do it Best member store locations can be found in the Sauk Valley area in Illinois. Our warehouse contains over 67,000 home improvement, lawn and garden, and home decor items that can be shipped to your door, or your neighborhood Grummert's Do it Best in Sterling, Illinois or Rock Falls, Illinois stores! If you want to purchase a product that cannot be delivered by UPS, stop in our store. If we don't stock the product, one of our friendly employees will special order the item for you. Visit our stores for Key Cutting, Pet Department, and Rental Service. We gladly accept Visa, MasterCard, Amex, Discover, and Checks.