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New Roof or RepairWe can provide free, no obligation, roof inspection.
Home ImrpovementSmall or large home improvements, we can do it all.
Storm DamageWe will do a thorough inspection of your damage.
 

Welcome to Jonmar

Jonmar Construction has served Metro Detroit area for last 20 years. We are fully licensed contractor in Detroit for commercial and residential construction.  We have certified team of contractors, who go above and beyond in assessing the project from start to completion. Through hard work and dedication, Jonmar Construction llc. has evolved into state of the art construction company serving Metro Detroit area. Call Jonmar today to start conversation about your project at 313-388-8291. So...why should you select us? Because we have:
1Experience
2Passion & Commitment
 
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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 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.]