Serving: Pierce, King, & Snohomish Counties.
Call (206) 992-0364 for a free in-home consultation.

USI Custom Outdoor Living


We are a Custom Outdoor Living residential construction company and are pioneers in the construction industry since 2009 serving the greater Puget Sound area. The breadth of our services is exhaustive. From quality designs to expert craftsmanship, we have it all figured out for you. Our mission is to provide unparalleled construction services based on your diverse needs. We house a number of units under our company. This gives us the opportunity to understand the individual dreams and goals of each customer and provide quality services accordingly.

For example, if your goal is just to have an outdoor deck installed, you can purchase it at Master Decks, which is a child company housed under USI. Our skilled team will walk you through all phases from the purchase to the installation and maintenance of the deck.

We strongly believe in the saying “Jack of all trades, master of none”, and therefore, we have divided our construction services into several specific specialties each of which is led by a skilled project manager and well-rounded craftsmen.

Our child companies include:

  • MasterDecks
  • Timberline Patio Covers
  • UnderCover Systems
  • ResCom Railing Systems
  • Seal Team One
  • Rock Electric

At USI, we believe that the foundation of success is understanding our customers’ needs and delivering quality and up-to-par value based services. Our unmatched craftsmanship and superior quality services have earned us loyal clients who are satisfied with our work. We also have a high work ethic based on the principles on respect, integrity, and honesty for all our clients and business partners alike. When you choose us as your residential construction company, you are assured of the following:

  • Expert Craftsmanship
  • Customer satisfaction and communication
  • Safety
  • Keeping job sites clean throughout the process
  • Timely project delivery
  • Taking responsibility for results delivered
  • Persistence and grit
  • Guaranteed pricing

At USI, we crown ourselves with the rewards and recognitions given to us by satisfied customers. Our value driven services are one of the finest and best in town.


Undercover Systems

Underdeck Ceilings

Our Undercover Systems create new living space. Undercover Systems is our flagship product and one of our most popular services.


Master Decks

Decks & Patios

Master Decks is Seattle area’s leading contractors for high-quality outdoor decks. We build decks to fit any budget. Add heaters, fans, TV and speakers.



Custom Covers

Timberline Patio Covers is the leader in high-quality deck cover installation. Patio deck covers extend your living space outside your home.



Deck Railing

Rescom Deck Railing are leaders in Seattle railing design and installation. We build deck railing and stair railings in a wide variety of styles.


Seal Team One

Stone Sealing & Cleaning

Seal Team One deep-cleans and permanently seals countertops, backsplashes, grout lines, floors, and more.


Rock Electric

At Rock Electric, your electrical system is the heart of your house; you can feel safe in knowing that our technicians are working for you and your family.

Certified Installers