Honest | Dependable | Professional

A contractor you can trust.

"Testimony. What our customer says about us."

Construction project management can be stressful and overwhelming, But You can trust JMJ Construction to care for your project as if it were our own.


Committed project managers

Relax knowing our project managers will guide you through your project’s build-out from start to finish.


A dependable workforce

We hire only the best so you get the best, every time.


Professional results

Have confidence that your project will be completed right the first time.

Have you been burned by contractors in the past?

JMJ is different.

Honest: Our reputation is our biggest assets, and we are committed to hiring only the most reliable and skilled individuals and subcontractors, so that we can deliver the project we promise.


Dependable: We’ll treat your project like it’s our own, so you can be sure it will receive the detailed attention needed to make your project successful.


Professional: We aspire to serve as a leader in the industry, and we have pulled together the best individuals, practices, subcontractors and other resources to serve you. 

Fully-bonded & Insured
Primary NAICS 236220
Work Central Wisconsin
Fit Small Business size standard
Equal Employment Opportunity Contractor

New Construction

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Design Build

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How can we help?

What we do

Maintenance Services

General Labor


General Contracting

Construction Management

Concrete Work

Find us

W223N720 Saratoga Dr. Waukesha, WI 53186

302 Bickford Street
New Lisbon, WI 53950

Quick resources

JMJ is an equal-employment opportunity contractor.