Keller Johnson Builder’s ability to design and perform projects is an advantage to the customer, in that they can have just one stop. You can come to our office, tell us your needs and we will design and estimate the project. Our company performs all the carpentry work on the projects. So KJB will be there throughout the entire project from design concept to when the finishing punch list is completed. We can build utilizing your plans, our plans, or custom design new plans for you.