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 Outdoor Patio Furniture for Small Spaces 5 affordable weekend DIY projects that completely recreate your home 4 steps to help you plan for wildfires Leave a Reply Cancel replyYou must be logged in to post a comment.