Otto Baum learned the masonry trade in Germany and brought these skills to America.

Now, over 80 years later, Otto Baum Company, Inc. offers diverse construction services, but providing masonry services is how it all began.  As one of the nation’s largest mason contractors, OBCI excels in hiring and training great craftsmen and leaders who provide quality masonry services no matter the project.  OBCI’s team can provide a detailed estimate for your project and has the resources to execute the work to your satisfaction.  We strive to meet and exceed our clients schedule and quality demands, while ensuring our crews operate safely.


Experienced Masonry Experts 

Otto Baum specializes in everything related to masonry; concrete block, brick, natural and manufactured stone, and all the components and details associated with masonry construction.  Masonry construction may be compromised if flashings, insulation, reinforcing, ties, and sealants are not installed properly, and OBCI constantly works with our crews to insure accurate installation.  While OBCI can perform any type of masonry project, our team stands above in performing the most complex masonry projects.  In addition, OBCI installs fluid-applied air barrier and associated components for a complete air barrier system.  We maintain certification from the Air Barrier Association of America, so you know that your installation will be correct.


When your project has masonry in the specs, call on the OBCI team.  We believe you will experience for yourself why OBCI is the area leader and has maintained a solid reputation for masonry services for over 80 years.  We also offer concrete, civil construction, and restoration services!

Detailed Information About This Service

Masonry services we perform include:

  • Concrete block masonry
  • Brick masonry
  • Stone masonry & stone veneer
  • Thin adhered veneer
  • Fluid-applied air barrier
  • Related materials installation—flashing, insulation, sealants, etc.
  • Masonry restoration services (see Restoration)


“This was a difficult, messy masonry remodel project and you had zero punch list items. Excellent job."
Tim Lipp, Laverdiere Construction

Our process and service Area

The focus of our operations ranges throughout central Illinois and the Quad Cities in Iowa.

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