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Home Additions and Garages That Add Value

20th Century Contracting builds home additions and garages in Vancouver, Longview, and Long Beach, Washington. If your family has outgrown your home, an addition adds the space you need. You skip the cost of moving.

Every addition is built with the same care we would give our own home. We stand behind our craftsmanship, and we are happy to answer your questions at any point.

Room Additions


We add bedrooms, living areas, and more. We plan each addition so it blends with your home's look and structure.

Garages


A new garage adds storage and protects your vehicles. We build it solidly and tie the roof in cleanly with your home.

Why Build an Addition

  • Add living space
  • Increase home value
  • Stay in the home and neighborhood you love

Planning Your Addition

A great addition starts with a plan. We review your needs, your budget, and your home's layout. Then we give you a free estimate and a clear path forward.

Clean and Careful Construction

Living through a build is not easy. We keep the job site tidy, protect your home, and communicate often so the process stays as smooth as possible.

Addition FAQs

  • Do you offer free estimates on additions?


  • Will the addition match my current home?


  • Do you build garages too?


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Ready to add space? Call or text 360-606-8451 for a free estimate!