About Us

Mark Bauer

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Estimator/Sales Consultant/Purchaser

Originally from Carroll, Iowa, Mark has been in the building materials industry for over 30 years. He started his journey working in the paint department of Payless Cashways back in the late 1970’s and now is majority owner and President of Tri-County Lumber. Mark lives with his wife in Jefferson and has three grown children and seven grandchildren. Since buying into the company in February, 1995, Mark has made an effort to provide the Jefferson area with competitive pricing and a large array of products and services.

Kay Higgins

Kay Higgins

Bookkeeping/Inventory Control

Kay has been of the Tri-County family since March, 1992. Besides keeping our office organized, she answers customer calls and works the front counter in sales. Kay enjoys spending time with her children and grandchildren and is a life long resident of Greene County.

Joe Harrison

Joe Harrison


Joe has been with Tri-County since October, 1999. He spends his day loading up store customers and making deliveries here in Jefferson, as well as, the surrounding towns. Joe lives in Gowrie and never goes a day without making us laugh.

Trisha Emery

Sales Consultant/Estimator/Purchaser

The daughter of Mark Bauer, Trisha made her start at Tri-County Lumber in January, 2001. Over the years she has developed a large customer base and specializes in interior design by coordinating projects including paint color, carpet/flooring, tile showers, bathrooms, kitchen countertops and cabinets. Trisha lives in Jefferson with her husband Mike and their four children.

Rich Consier

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Rich has been working at Tri-County since March, 2002. He takes care of our customers out in the yard by loading up their materials and by getting our trucks loaded and ready for delivery. Rich and his family live in rural Churdan.

Derrik Bauer

Derrik Bauer

Design Specialist/Sales Consultant/Estimator

Derrik is the son of Mark Bauer. He began his career in high school, working part time in the yard at Tri-County in 1995. He joined the team full time in May, 2002. He is a very talented home/building designer who specializes in beautiful 3-D renderings. He can assist you from start to finish on the project of your dreams. With both residential and commercial experience, Derrik is a well-rounded, valuable employee at Tri-County Lumber. Derrik and his family reside in Jefferson.

Brad Feld

Brad Feld


An employee since July, 2003, Brad spends most of his days here at Tri-County Lumber behind the wheel of one of our delivery trucks. When he’s at the store, he can be found in the yard loading up customers, making feed bunks and sharing his infectious laugh. Brad lives in the rural Carroll area with his wife, Angie and their two children.

Barb Gregg


Everyday is better when Barb’s here. Barb began working as a part-time accountant/bookkeeper in August, 2007. She’s known for her incredible sense of humor and brightens our day with goodies from her kitchen at home in Farnhamville.

Auggie Halverson

Store Inventory Management/Yard

Auggie started working at Tri-County in April, 2012 at the age of 14.  He works both in the store managing stock and outside helping customers in the yard.  Auggie is the son of Trisha Emery, the Grandson of Mark Bauer and the Nephew of Derrik Bauer.  We are thrilled to have three generations working together at our store.


Mike Emery

Yard/Delivery/Customer Service

We welcome Mike Emery to the Tri-County family! Mike comes to us with an extensive background in mechanical maintenance, farming and machining. Originally from Audubon, IA, Mike made his way to Jefferson in 2011 after marrying Trisha, daughter of Mark Bauer and employee of Tri-County Lumber. Together, they have four children that are always keeping them busy. Mike works by servicing customers both in the store at the counter and outside in the yard. He also takes care of the store’s mechanical equipment, including the rental items.

Don Meiners

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Sales Consultant/Estimator

Don began his journey with Tri-County Lumber in May 2014.  With 20 plus years of experience working customer service, estimating, yard and material delivery; we couldn’t have found a better match.  Don has provided us a wealth of knowledge and has been a wonderful addition to our sales team.  Don lives in the rural Coon Rapids area with his wife Joyce.  He enjoys spending time on his acreage and with his kids and grand-kids.


TJ Dvorak

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Inventory Specialist/Counter Sales

TJ has been working with us at Tri-County Lumber since October, 2015.  Originally from Carroll, TJ has been lucky enough to live in many different places around the country and has a long list of experiences from restaurant to retail.  TJ is first smiling face you’ll see when you walk in the door.  A man of many talents, he’s always busy doing something new.  TJ lives in Scranton, IA.

Hunter Kinney

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Design Specialist

Hunter comes to us as a CAD student at Greene County High School.  With his interest in drawing design, he’s gathering a wealth of knowledge and on the job training.  Hunter works with Derrik on house design and is Trisha’s right hand man on bathrooms and kitchens.  Hunter lives in Rippey, IA.


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