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

USI Custom Outdoor Living


We are a residential construction company that specializes in custom outdoor living spaces. We have been in the construction industry since 2009 serving Seattle and the Greater Puget Sound Area. Our vision is to make it easy and convenient for you to fully experience Outdoor Living at home!

At USI Custom Outdoor Living, we have assembled under one roof an All-Star lineup of custom builders to meet your needs. We provide you access to a diverse group of specialty experts in the field that deliver high-quality projects at a fair price.
Whether you desire a new deck or under deck ceiling, an outdoor patio cover or roof structure, deck railing, an outdoor kitchen, firepit or electrical upgrade, patio/stone weather-sealant or a niche product not mentioned … we have you covered from start to finish!

Quality craftsmanship is our gold standard. Plus, we’re reliable, on-time, safe, and keep the job site clean.

For example, if you are interested in a new deck, you can purchase it at Master Decks, which is our deck building division. Our skilled team will walk you through all phases from the purchase to the installation and maintenance of the deck.

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 company divisions include:

  • Master Decks
  • 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 high-quality 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 of 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 pride ourselves on the recognition and reviews we received from our satisfied customers. Our quality and services are one of the 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