Workshop & Garage Builder

Shops • Sheds • ADU's and More

Custom Construction

  • 30+ Years Experience
  • Licensed Bonded & Insured
  • Over 50 5 Star Reviews

Build the Space You've Always Wanted

Custom Workshops, Detached Garages & Hobby Buildings Built to Last



Whether you need a place to work on projects, store vehicles, protect equipment, or finally build the dream workshop you've always wanted, Harmon & Harmon Construction designs and builds custom workshops and garages throughout Southwest Washington.


With more than 30 years of construction experience, we build structures that are designed around your property, your needs, and how you'll actually use the space. From oversized detached garages to fully insulated workshops and combination garage/shop buildings, we deliver quality craftsmanship that stands the test of time.

Call Now

(253) 442-4528

Custom Workshop & Garage Construction

Every property is different, and every homeowner has unique needs. We work with you to create a building that complements your home while providing the functionality you're looking for.

We build:



  • Detached garages
  • Multi-car garages
  • RV garages
  • Hobby workshops
  • Woodworking shops
  • Equipment storage buildings
  • Heated workshops
  • Combination garage and workshop buildings
  • Agricultural storage buildings
  • Custom outbuildings


Whether you're starting from scratch or replacing an older structure, we'll guide you through every stage of construction.

Call Now

(253) 442-4528

Why Choose Harmon & Harmon Construction?

Over 30 Years of Experience

Our decades of experience allow us to anticipate challenges, recommend practical solutions, and build structures that homeowners can enjoy for years to come.

Quality Craftsmanship

We're committed to doing the job right. Every workshop and garage is built with careful attention to detail and materials that are designed for long-term durability.

Local Knowledge

As a Southwest Washington contractor, we understand local building codes, permit requirements, and site conditions throughout the region.

Honest Communication

From the initial consultation through project completion, we keep you informed so there are no surprises along the way.

Why Choose Harmon and Harmon for Your Construction Project?

Harmon and Harmon Construction

Over 30 Years Experience

Harmon & Harmon Construction has over 30 years experience building custom homes and remodels.

Harmon and Harmon Construction is licensed bonded and insured

Licensed, Bonded & Insured

For your peace of mind, we've got you covered. We maintain the best insurance in the industry.

Harmon and Harmon Construction Reviews

Trusted By Your Neighbors

With over 50 5 star reviews on Google, We take pride in our craft and treat your project like it's our home.

Harmon and Harmon Construction

Every Project Is Unique To You

We would rather build 100 projects for 1 customer than 1 project for 100 customers. Every project we do is unique to you.

Serving Homeowners Throughout Southwest Washington

We proudly build workshops and detached garages throughout:

  • Chehalis
  • Centralia
  • Rochester
  • Napavine
  • Toledo
  • Winlock
  • Castle Rock
  • Longview
  • Kelso
  • Olympia
  • Lacey
  • Tumwater
  • Yelm
  • Rainier
  • And surrounding communities throughout Southwest Washington


Local, Trusted Experts in Garage and Workshop  Construction


Whether you're planning a detached garage, hobby shop, oversized RV garage, or fully customized workshop, Harmon & Harmon Construction is ready to help bring your vision to life. Contact us today to schedule a free consultation and discover why homeowners throughout Southwest Washington trust Harmon & Harmon Construction for quality craftsmanship and dependable service.


Get a Free Quote Today!

Whether you need a small storage shed or a large multi-purpose barn, we’re here to bring your vision to life. Contact Harmon and Harmon Construction today for a free consultation and quote.

Call Now

(253) 442-4528

Request A Quote

Complete the form below and we'll be in touch with you within 24 hours.

Estimate Request