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 How to Replace Your Thermostat, Part Two: Installing a New Thermostat 6 curb appeal boosters that increase your home’s resale value Flood insurance: Does your excuse hold water? Leave a Reply Cancel replyYou must be logged in to post a comment.