Residential Contracting Services in Madison, NJ & Surrounding Areas

Looking at your basement and seeing a dark, unfinished space that screams “storage unit” instead of “usable room”? Don’t worry; you’re not alone. But with the right team, your basement can be so much more. Serving Madison, NJ, and the surrounding areas, Gemstar Contractors specializes in creating functional, stylish, and personalized basement spaces. Whether it’s a cozy family room, a sleek home office, or a guest suite that’ll make your in-laws jealous, we’re here to help.

Every basement is unique, and so are your needs. That’s why our remodeling process starts with a detailed consultation to understand your goals, style preferences, and budget. Our skilled team knows how to handle the quirks that come with basement renovations in Madison, from low ceilings to moisture management. We’ll create a space that fits seamlessly into your home’s design while maximizing every square foot.


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Satisfied Customers

With a legacy built on customer satisfaction, Gemstar Contractors takes immense pride in serving over 2500 delighted customers. Each project is a testament to our commitment to excellence, transforming spaces, and leaving smiles. Join our community of satisfied clients and experience the difference that Gemstar Contractors brings to every brushstroke.

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Star Rating Overall

Experience painting excellence that resonates in every detail. Gemstar Contractors boasts a 5-star overall rating, reflecting our dedication to quality and customer satisfaction. From residential to commercial projects, our professional house painters and commercial painters consistently deliver results that earn the highest praise. Discover why clients trust Gemstar Contractors for extraordinary transformations.

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Years of Team Experience

With a collective experience of over 45 years, Gemstar Contractors‘s team of seasoned professionals brings expertise and artistry to every project. Our journey has refined our skills, ensuring unmatched quality and enduring results. Trust Gemstar Contractors for a legacy of excellence that transforms spaces and exceeds expectations.

2 Year Limited Warranty

Protect your investment against the Northern New Jersey elements.

Clear, Transparent, Communication

You’ll always know the status of your project.

Screened Professionals

Our professionals are trained to treat your house as if it were their own.

Licensed and Insured

We’re insured! Hire Gemstar Contractors with peace of mind.

5-Star Home Contractors

Comprehensive Basement Remodeling Services

When we say we do it all, we mean it. From framing and drywall to flooring, plumbing, and painting, our team ensures a seamless remodeling experience. Here’s a glimpse of what we offer:

• Framing and Drywall: Solid walls that look as good as they feel.

• Flooring Options: From durable vinyl to cozy carpeting, we’ve got your floors covered.

• Lighting: Brighten up your basement with energy-efficient fixtures.

• Plumbing and Electrical Work: Get the functionality you need for bathrooms, wet bars, or kitchenettes.

• Painting and Finishing Touches: A flawless finish to tie the space together.

We take care of every detail so you can focus on enjoying your new space.

Comprehensive Basement Remodeling Services

Let’s face it: letting strangers into your home can be nerve-wracking. That’s why we’re proud to say our team is fully licensed, insured, and thoroughly screened. Our professionals treat your home as if it were their own, minimizing disruptions and keeping the worksite tidy. Plus, our two-year warranty ensures you’re covered long after the project is complete.

Designed with Madison’s Weather in Mind

Basements in Madison come with their own set of challenges thanks to our ever-changing weather. Humid summers can lead to moisture issues, while cold winters demand proper insulation. We’ll make sure your basement is equipped to handle whatever Mother Nature throws its way. From moisture-resistant materials to effective ventilation, your remodeled space will be as durable as it is beautiful.

Budget-Friendly Options That Don’t Skimp on Quality

Think a stunning basement remodel is out of reach? Think again. We offer flexible solutions designed to fit a range of budgets. By working closely with you to prioritize features and materials, we ensure you get the most value for your investment. Whether you’re going for a no-frills entertainment room or a high-end guest suite, we’ll make it happen without breaking the bank.

A Basement That Works for You

Your basement should enhance your home and lifestyle, not sit unused or underutilized. Imagine the possibilities:

• A Family Room: The perfect spot for movie nights, board games, and quality time.

• A Home Gym: Skip the commute and work out in your own private space.

• A Guest Suite: A welcoming retreat for friends and family.

• A Home Office: Quiet, comfortable, and productive.

• A Rental Unit: Generate extra income with a fully equipped apartment.

Whatever your vision, we’ll make it a reality.

The Time-Saving Benefits of Hiring Professionals

Attempting a DIY basement renovation might seem like a good idea until you realize how much time, effort, and equipment it actually takes. With Gemstar Contractors, you’re not just paying for materials you’re investing in peace of mind. Our team works efficiently to complete your project on time, saving you from weeks of living in a construction zone. This means more time for you to focus on other projects, relax, or simply enjoy your beautifully remodeled space.

Say Goodbye to Stress

Remodeling doesn’t have to be a headache. With clear communication and a dedicated project manager, we ensure you’re informed every step of the way. Got questions? We’re here to answer them. Concerned about a particular detail? We’ll address it. Our goal is to make the process as smooth and stress-free as possible.

Experience the Ease—No Hassle, Just Results

Working with Our Professional House Contractors

Choosing Gemstar Contractors means partnering with a team dedicated to clear, transparent communication and a no-surprise guarantee—what we quote is what you pay. Our professional house contractors are renowned for their thoroughness and adherence to the latest industry safety practices, ensuring each project is completed with precision and care.

We offer free color consultations and cover all furniture and carpets to protect your belongings. Our commitment to complete clean up after each project and our use of only high-quality products underline our promise to provide a seamless, worry-free renovation experience with lasting results.

  • Free Estimates
  • No-Surprise Guarantee – What we quote is what you pay!
  • Clear, Transparent, Daily Communication
  • Free Color Consultations
  • Locally Owned and Operated
  • Licensed & Insured
  • Only Use High-Quality Products
  • Our Painters are Thoroughly Screened
  • Current with Latest Industry Safety Practices
  • We Cover/Protect Furniture and Carpets
  • Complete Cleanup After Project
Ceiling-to-floor kitchen remodeling
Ready to transform your home?

Contact Our Contractors Today!

If your basement is more storage dungeon than functional space, it’s time for a change. Let the experts at Gemstar Contractors help you create a basement you’ll actually want to spend time in. Contact us today to schedule a consultation and take the first step toward a hassle-free, beautifully remodeled space. Your time is valuable let us help you make the most of it!

Don’t hesitate to begin your home improvement journey. Call us at (973) 543-7556 to schedule your free estimate. Experience the Gemstar difference, where we turn your house into the dream home you’ve always wanted.