Can I include a bathroom or kitchen? Buildings with Bathrooms and Kitchens need permits, both Planning and Building. We recommend that you hire a local architect for such projects. Note that the permit process will typical double the cost of the building. 2023-08-12T14:36:41-07:00By YardPods|Categories: Design|0 Comments Share This! FacebookTwitterLinkedInPinterestEmail About the Author: YardPods YardPods helps homeowners plan, design and build detached backyard home offices. Leave A Comment Cancel replyYou must be logged in to post a comment.