About ZNS ZNS Custom Decks and Additions is a home remodeling company and home addition contractor. We are passionate about remodeling homes and excited to start your next bathroom, bedroom, basement, kitchen addition or remodel. We have over 10 years of professional experience in residential remodeling and additions. You can expect the job to be done accurately and on time, every time. Take a moment to check out the project gallery to review our recent remodeling services provided to our customers. It is an important decision to improve your home. By making improvements such as additions or renovations you are enhancing your standard of living and adding value to your property. It is an equally important decision to hire the right home remodeling company. ZNS knows investing in room