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

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

Modern Home Additions & Remodeling Services

Make your property more modern with home additions and remodeling services from KNJ Construction, in Mount Airy, Maryland. We have 30 years of construction experience so you can depend on us to do the work that you want in a timely manner.


Expand your home's living and recreational space with additions from our company. We do in-house custom design and build services from our hands-on contractors. To satisfy your need for more space, we do all additions including:

• Master Bedrooms

• Bathrooms

• Family Rooms

• Kitchens


Update your home's appearance with full-service interior and exterior remodeling services from KNJ Construction. With 30 years of experience, KNJ Construction has the expertise to guide you through the design and construction of your dream addition or remodel. Our extensive knowledge of constructon, design and our experience is evident on every project. We will work closely with you to realize your ideas that will fit your home and needs as well as your budget.

Room - Home Additions

Contact us for services that add style and value to your home or business.