Premier North Reading Contractors
Our Home Addition Services
CJM Builders are premier home addition contractors serving North Reading, MA. We also work in nearby communities, like Reading, Andover, Wakefield, and Wilmington. We can create the home addition, room addition, or expansion you’ve dreamed of. Enjoy more space and increase your property’s value with a residential addition.
What type of home addition would transform your life? You have many options, and we have experience with them all. Let us customize one of these to your needs.
Our Process for Home Additions
We take a methodical approach to every residential addition project. Our thoroughness enhances communication and transparency with you. Plus, it keeps us all on the same page and timeline as your home addition contractor.
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Step 1: Consultation & Planning
Planning your project carefully gives you the results you desire. That's why we spend time consulting with you about your vision for the project. And we analyze the space to look for places where we can take that vision to the next level.
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Step 2: Design & Permits
The design phase is where we put our collective vision on paper. We draft blueprints and sketches of the new space and look at materials to bring it to life. During this time, we also pull any permits needed to proceed with construction.
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Step 3: Construction
This segment of the project is where we build your addition from the plans. We let you know what to expect. And we work to reduce disruption to your household during construction.
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Step 4: Final Walkthrough
At the completion of the home addition project, we walk you through the finished result. Our goal is to make certain that we've not only met but also exceeded your expectations.
Planning is also where we say so if an addition is the wrong answer: when a house has outlived its layout, its systems, and its structure all at once, building new is often the better investment, and our custom home builder team handles that path too.
Start Your Project Today
Tell us about your addition — the estimate is in writing, and 0% financing for 21 months is available.
Areas We Serve
CJM Builders provides home addition services in North Reading. We also serve these parts of northern Middlesex and southern Essex counties:
Our focus on this area gives us special insight. We’re experts in local home styles, historic properties, and municipal regulations.
Why Choose Our Home Addition Contractors
We know you have a choice when selecting a home addition contractor. You can be confident with CJM Builders because we provide many benefits for our clients:
- Local expertise in the North Reading, MA area — Our reviews speak for themselves. We have over three decades of experience helping residents create their dream homes. Our connections with local suppliers also streamline your project.
- Fully licensed and insured team — Licensing is essential in a contractor. It shows we meet the required standards for construction. And insurance covers everyone in case the unexpected occurs.
- Custom solutions tailored to your home — You don’t want a cookie-cutter design. That’s why we tailor every addition to the unique wants of our clients. Your addition won’t look like anyone else’s!
- High-quality materials and craftsmanship — We use only top-quality materials in our projects. Our craftsmanship is equally stellar, which you can see in our portfolio.
- Clear pricing and transparent timeline — Before we start, you’ll have an accurate cost estimate. The project schedule will be laid out as well, with updates should they be necessary.
We guarantee satisfaction with all our contracting projects, including residential additions.
Frequently Asked Questions
How much does a home addition cost per square foot in Massachusetts?
Most Massachusetts home additions run $150 to $400 per square foot, depending on size and complexity. Second-story projects and rooms with plumbing sit at the high end. We provide a detailed written estimate before any work begins, so you know your number up front.
Do I need a permit to build an addition in North Reading?
Yes. Every addition in North Reading requires a building permit, filed through the town's online PermitEyes portal, and your plans must meet local zoning setbacks. We pull the permits for you as part of step two of our process.
How long does a home addition take to build?
It depends on the scope. Bump-outs often finish in two to four weeks, single-room additions in two to four months, and second-story additions in four to eight months. Weather, permitting, and design changes affect the schedule — we map your timeline before construction starts.
Can I add an ADU to my property in North Reading?
Yes. Under the Massachusetts Affordable Homes Act, in effect since February 2025, one accessory dwelling unit is allowed by right on most single-family lots — up to 900 square feet or half your home's floor area, whichever is less.
Does a home addition increase property value?
Yes. Added bedrooms and bathrooms typically raise resale value the most — often 10 to 20 percent for a well-built addition. In a tight market like North Reading's, finished above-grade square footage is one of the most reliable ways to grow your home's worth.
Get a Free Quote for Your Home Addition
Have you been hesitating with your home addition because you don’t know where to start? Begin by reaching out to CJM Builders for a free, no-obligation quote.
We’re eager to hear your vision for the addition and discuss how we can assist you. Our company also offers 21-month, 0% interest on financing (opens in a new tab) — ask how you can take advantage of that!
Just think how different your home could be in a few short months. Maybe you want to expand your living space or prepare your home for sale. We can help you reach your goals with style.