Top-Rated Room Additions in New Jersey
If your home is feeling a little cramped—MAG Development is here to help. We bring full-service room addition design and construction to New Jersey homeowners, creating beautiful, functional spaces that expand your lifestyle.
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What We Do in a Room Addition Project
From adding a single room to building a multi-story expansion, we handle every detail from design to completion. Here are some of the most common room additions we provide:
Primary Suite Additions
Create a luxurious, private retreat with a spacious bedroom, ensuite bath, and walk-in closet.
Add more cooking, storage, and dining space by extending your kitchen layout.
Build an open-concept space perfect for gatherings, entertainment, and relaxation.
Home Offices
Design a productive, dedicated workspace for remote work or business.
Private living quarters complete with bedroom, bathroom, and kitchenette
Bring the outdoors in with bright, versatile living spaces for year-round enjoyment.
Room Additions That Feel Like They’ve Always Been There
At MAG Development, we believe a great addition should look like it was always part of the original home. Our team focuses on matching your home’s architecture, finishes, and style so your new space blends perfectly—inside and out.
Why New Jersey Homeowners Trust MAG Development
Locally based and New Jersey proud
Dedicated design + build team
Licensed, insured, and experienced
Clear quotes, no hidden fees
See Our Room Addition Work
From compact office spaces to full second-story additions, we’ve expanded homes across New Jersey. Want to see examples? We’re happy to share our latest projects.
Book Your Free Consultation
No pushy sales. No cookie-cutter solutions. Just a conversation about your goals and a clear plan to make it happen. Fill out our short form or give us a call to schedule your free, no-pressure consultation.