Home / DIY / Modern Plans by Coates Design, Inc. Modern Plans by Coates Design, Inc. DIY, Home Improvement Blogs, houseplans Matthew Coates is a Houseplans.com Signature Architect whose innovative contemporary designs celebrate nature and sustainability. Tweet Pin It Related Posts Best design trends for Fall 2018 (slideshow) Turn your basic backyard into an outdoor oasis Increasing your home’s appeal through design Leave a Reply Cancel replyYou must be logged in to post a comment.