As award winning Master Builder, Grabau Construction takes great pride in their reputation of dependability and quality performance. A company is only as good as its people and we have been blessed with talented, hardworking field and office personnel since its founding in 1946.

The expertise gained from 65 years of excellence is demonstrated in hundreds of projects, from banks and office buildings to churches, schools and almost everything in between. Grabau Construction has the creativity to provide you with a long lasting building solution.

"Throughout the project, Grabau's promptly returned phone calls, offered suggestions, and listened to my needs. It was great working with a company where you could deal with the person who could make the necessary decisions and make those decisions happen." - Ron Harland, Boone Ace Hardware

Check out our Habitat for Humanity Photos Here

R.H. Grabau Construction is pleased to announce that one of our owners is now on the Habbitat For Humanity of Boone and Greene Counties Board of Directors.  Eric Hammer's mastery of construction techniques and proven leadership abilities are things that will greatly benefit this organization.  Grabau Construction has been actively involved in the revitalization efforts in downtown Boone and Eric's visions have come to life in several downtown buildings including the Boone Police Station, Boone Vision and Boone Hardware. 

"In the course of their work they suggested innovative construction methods to both control costs and reduce utility costs as well as increase the overall building size."

- Lynn Dobson, Dobson Pipe Organ Builders, LTD.

 871 P Avenue
Boone, IA 50036
Phone: (515) 432-6935
Fax: (515) 432-9639
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