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 Don’t suffer high energy bills any longer 4 easy ways to pest-proof your home 4 essential questions to ask when hiring a professional house cleaner Leave a Reply Cancel replyYou must be logged in to post a comment.