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Jim Coshow

Jim Coshow represents the third generation of Coshows at Dunn Lumber. Jim began working part-time in 1977 and, like his cousin, Mike Dunn, has worked in numerous positions within the company. Jim is currently the Vice President of Sales and Marketing and enjoys the customer interaction that comes along with that role. Jim has two adult children who both work for Dunn Lumber. 

Outside of work, Jim enjoys golf, yard work, remodeling, and shopping for wine. He also spends his time supporting the golf program at King's High School and filling various roles within King's Booster Club. He is a board member at the Master Builders Association of King and Snohomish Counties and collaborates with Dunn supplier partners to support efforts such as the association's annual Rampathon event.

218 Products

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  1. Tips and Tricks for Common Rafter Framing

    Tips and Tricks for Common Rafter Framing

    This handy guide makes framing easy–and helps keep common mistakes at bay. 

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  2. Problem-Free Prefit Doors

    Problem-Free Prefit Doors

    It seems like most people in our industry have had some level of discomfort when dealing with doors. Our friend, Gary Catz, put together a step-by-step guide and video to help you install problem-free prefit doors.

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  3. Cabinet Tips, Tricks, and Fair Warnings

    Cabinet Tips, Tricks, and Fair Warnings

    In the final episode of our series with Eric, we’re talking about the little details in a cabinet project that can cause big surprises if and when they arise.

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  4. What To Know About Common Cabinet Mistakes

    What To Know About Common Cabinet Mistakes

    Cabinet projects can be easily thrown off-course without knowing where the pitfalls lie. In today's episode of our cabinet series, we go over some of the most common cabinet mistakes—and how to avoid them.

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  5. Treated Lumber Series: A Guide to Pressure-Treated Lumber

    Treated Lumber Series: A Guide to Pressure-Treated Lumber

    Treating lumber is one of the best ways we can protect our most essential renewable resource. In this treated lumber series recap, we’re sharing our top four videos from the series.

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  6. What To Know About Cabinet Installation

    What To Know About Cabinet Installation

    Cabinet installation is an involved process that requires precision and skill. Today, we talk to Eric about how to make installation decisions that will produce cabinetry you'll love for years to come.

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  7. Installation Basics 2.0 for Manufactured Decking (Butt Joints, Clean Cutting, etc.)

    Installation Basics 2.0 for Manufactured Decking (Butt Joints, Clean Cutting, etc.)

    There's nothing as satisfying as installing a beautifully lined up, level deck. Even the best contractors make errors when cutting and installing deck boards—but today, we're sharing some tricks of the trade to help you execute an install you're proud to put your name on.

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  8. The Future of Pressure-Treated Lumber

    The Future of Pressure-Treated Lumber

    Building green comes down to extending the lifespan of our materials so we can better preserve our natural resources. In this video, Dennis tells us about treated lumber’s place in eco-friendly construction and what the future holds.

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  9. Fastening Options for Manufactured Decking

    Fastening Options for Manufactured Decking

    There are a lot of deck fastening options out there and it's important to pick the right one for the right job. Today, we talk with Trex's Kevin Kunka to learn about some of the most popular.

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218 Products

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  • About Dunn DIY

    Home is what you make it. It's a feeling. It's a place where you can settle in and live out the truest expression of yourseft. Your home is your canvas, your signature. It's not a place to be ordinary. You're not. And neither are the spaces where we live. They are inspired. They are unique. They are reflections of our dreams, hopes, and aspirations. This is your chance to transform that imagined future into a reality - with wood stain, wall paint, and nails. Here you can do it yourself. Here you can be elegant, but gritty, independent, but empowered. It is a place where you can inspire and be inspired, a place where you can make it yours.

  • Authors

    • Kirsten Dunn
      Kirsten Dunn
    • Todd Dermody
      Todd Dermody
    • Special contributers
      Special Contributors
  • About Dunn contractor

    Dunn Lumber has been providing the greater Seattle area with expert service and quality materials for over 100 years. Over time, we've made long-lasting relationships with contractors and craftsmen.

  • Authors

    • Daniel Westbrock
      Daniel Westbrock
    • Jim Coshow
      Jim Coshow
    • Mike Dunn
      Mike Dunn
    • Katherine Coshow
      Katherine Coshow
    • Todd Dermody
      Todd Dermody
    • Special contributers
      Special Contributors