Logo, KNJ Construction, L.L.C.- Home Builders

Phone: (443) 472-2775
P.O. Box 593 New Market, MD 21774

Efficient Home Builder & Remodeling Contractor in Mount Airy, Maryland

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A great way to update your property's appearance is with remodeling services from KNJ Construction. We also do additions that give you more space for living and entertaining.


Let us work with you to build a home that is distinctive from any other in your area. We specialize in custom home building that satisfies all of your specific design requests.  


There's no need for you to wonder about the type of work that we do. Our online gallery provides you with examples of how great your home can look after we work on it. 

Free Construction Estimate - Offer Valid for Initial Estimate and Preliminary Design

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Who We Are

Turn your property into a model of modern style with services from our home builders and remodeling contractors in Mount Airy, Maryland. KNJ Construction,  is a family-owned-and-operated business that has fulfilled clients' building needs for the past 30 years. Most work is done in-house but we also use first-class subcontractors to help us successfully complete your job. When you have any questions, our owner is always on-site to answer them. We are available 24/7 for you.  

Call our home builders and remodeling contractors at (443) 472-2775 in Mount Airy, Howard, Carroll and Montgomery, MD with KNJ Construction.

Request an estimate from our home builders and remodeling contractors for services that customize your property.

Proudly Serving Howard, Fredrick, Carroll, Montgomery, and Baltimore Counties