Our Mission: Pole Barn Excellence

We execute excellence during every aspect of our post-frame construction builds. From our custom design plans to our passionate staff, each step is built using the very best.

Matt Greiner

Chief Executive Officer

It’s our job to create the building of your dreams. We take pride in this responsibility, and keep your satisfaction in mind from start to finish. Whether we’re building a machine shed for your farming operation or the pole building home you’ve been saving for, your project is always a priority. We provide the individualized care that pole building construction requires. Our 35+ years in the business ensures we have the efficiency to complete your project on time and on budget. We’ve helped countless clients build the post-frame structure of their dreams, and we exceed their expectations every time. Don’t believe us? Just take a look at what our customers have to say. Our clients come back to us time and time again because they recognize the value of working with Greiner Buildings. Give us a call today to tell us about your next project.

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Serving the Midwest with Expert Post-Frame Construction

120 East Main St.
Washington, Iowa 52353

3000 Justin Dr., Ste B
Urbandale, Iowa 50322

855 Vernon Valley Dr.,Stes 100 & 101
Cedar Rapids, Iowa 52403

4328 US Hwy 34
Kewanee, Illlinois 61443

Meet the Greiner Crew

Matt G

Chief Executive Officer

Ashley G
Office Manager
Nolan G
Lead Designer
Grant M
Assistant Designer
Scott E
IL Sales Manager
Justin R
Washington Sales
Brad M
Des Moines Sales Manager
Steve A
Washington Project Superintendent
Bailey B
Des Moines Project Superintendent
Jared N
Field Operations Manager
Brian D
IL Project Manager
Josh R
Des Moines Project Manager
Dusty O
Washington/Cedar Rapids Project Manager

Stacey R

HR Director/Safety Manager

Why Choose Greiner?

Post-Frame Experts

With 35+ years of experience, we deliver award-winning craftsmanship in agricultural, commercial, and residential buildings.

Seamless In-House Process

From design to construction, we manage every step, ensuring efficiency and less stress for clients.

Custom-Built Solutions

Our post-frame buildings are designed to be highly customizable, allowing clients to tailor every detail to their exact specifications. Whether you need a durable machine shed, a spacious livestock barn, or a unique Shome® that combines a shop and home, we create structures that perfectly suit your needs and lifestyle.

Join Our Team!

Be a part of the Greiner Buildings team and be part of a company that values craftsmanship, innovation, and customer satisfaction.

Leaders in
Post-Frame Construction

Greiner Buildings began as a local family business, founded in the unassuming town of Washington, Iowa. Over the years, our humble construction company has evolved into esteemed leaders in the post-frame construction business. Our current workforce exceeds 60 dedicated employees across Iowa and Illinois.

What Our Clients Say

Highly Recommended: A Building That Stands Out

You wouldn’t believe the amount of compliments I’ve gotten about the building. I will recommend Greiner Buildings to others and use them for future projects.

Bryton K.

Geneseo, Illinois