Skip to content

Welcome to D.B. Loren

Our construction services experts provide clients with an extensive range of pre-construction and construction-related services and solutions for projects of varying scope, budget, schedule and complexity.

Building from the Ground Up

Site Utilities and Development, Building Renovations, Interior Office, Retail, Medical Facilities, HealthCare Buildings, Interior Construction & More!

Construction of a modern building and a skyscraper

Our Services

Team of architects working on construction plans


Real Estate Site investigation and Village or City planning and zoning work.


On Site Supervision and Project Management.

Engineers in mechanical factory reading instructions
Construction manager and engineer working on building site


Engineering and Construction Plans and Documents.

Some of our happy customers...

Contact us

Address: 32970 N. Stone Manor Dr., #2940, Grayslake, IL.  60030

Phone: 847-812-2940


About Us

The D. B. Loren Co. LLC is a Design-Build construction company specializing in Medical and Healthcare construction.

We have been doing this since our inception in 2000, although we have over 40 years of experience in the construction business.  We believe in establishing and fostering relationships with our clients that go beyond the construction process.

Our goal is to provide the design and finish product that best suits the needs of client's 
business goals. 

Let's design and build something together. 

Contact Diana Tinnes at 847-812-2940 or email