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Jonmar Construction has served Metro Detroit area for the last 20 years. We have a certified team of contractors, estimators, and managers who go above and beyond in assessing the project from start to completion. Through hard work and dedication, Jonmar Construction llc has evolved into a state of the art construction company serving Metro Detroit area.

We take every job, small or large, very seriously and complete it on schedule.

Call Jonmar today to start conversation about your project at 313-388-8291. So...why should you select us? Because we have:

 

Our Clients

Our clients say

Our clients say
We are very impressed with Jonmar's entire process and end result.
  • Detroit City 2 February - 2016
    jonmar's general contractors went above and beyond to complete the building extension, despite of cold temprature.
  • Bruce 22 April - 2013
    Contractors showed up time and did not waste time taking breaks. They were very serious about getting the job done on time. I am very pleased with Jonmar's commitment.
  • Irvin 22 April - 2016
    Contractors showed up on time and did not waste time taking breaks. They were very serious about getting the job done on time. I am very pleased with Jonmar's commitment.]