All of our custom made bookcases are built to be solid functional and stylishWe aim to make the most effective use of space and to integrate your new bookcase harmoniously into its setting. Naturally the cost to have these custom shelves installed can vary. You Can Build This Diy Library Wall For Less Than 600 Home Design Home Decor However for floor to ceiling custom shelf installations expect a price of between 3500 10000. Cost of custom built in shelves . This is the 2nd post in a 3 part series. On average depending on the cost factors mentioned below the professional installation of a built-in bookcase is going to cost anywhere from 2500 to as much as 8000 or about 150 to 375 per linear foot sometimes even much more again depending on the factors involved. Find here detailed information about built-in shelving costs. There are built-in bookshelves that have doors so if you want to add a door its going to cost about 100 to 200 each. Glass doors are classy but costly hav...