Accessory Dwelling Units (ADU) | Bay State Exteriors

Expand Your Living Space with a Beautiful, Functional ADU

At Bay State Exteriors, we specialize in designing and building Accessory Dwelling Units (ADUs) that add both space and value to your home. Whether you’re looking to create a private in-law suite, a rental unit for extra income, or a comfortable space for guests, our team is here to bring your vision to life with craftsmanship you can trust.

Roof Repair and Maintenance

If your home’s roof needs attention, the Bay State Exteriors team is ready to help. Roofs are expected to last...

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Commercial Roofing, Siding & Windows

When it comes to your business’s roof, trust New England’s exterior remodeling pros. Baystate Exteriors is proud to provide all...

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Roof Inspection

When it comes to your home’s roof inspection, trust New England’s roofing pros. Roofs, like other parts of your home,...

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Emergency Roof Repair

When it comes to Emergency Roof Repair, trust New England’s roofing pros. In New England, the weather is always unpredictable....

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Residential Roofing

Residential Roofing Services Baystate Exteriors provides residents in the North Shore, New Hampshire, and Greater Boston area with professional residential...

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Asphalt Roof Installation

When it comes to your business’s roof, trust New England’s exterior remodeling pros. Looking to replace your existing roof with...

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Ice and Water Damage Repair

When it comes to Ice & Water Damage, trust New England’s roofing pros. Winter is no joke here in the...

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Rubber Roof Installation

When it comes to rubber roof installation, trust New England’s roofing pros. There are so many different types of roofs...

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Our ADU Services

Bay State Exteriors, we handle every step of your ADU project from start to finish. Our services include:

Initial Consultation & Site Evaluation
We’ll meet with you to understand your goals, review your property layout, and determine the best type of ADU for your home.
Custom Design & Planning
Our design team works closely with you to create a layout that fits your space, budget, and style.
Permitting & Code Compliance
We’ll navigate local zoning laws and building codes to ensure your project moves forward smoothly.
Full Construction & Exterior Work
From foundation to finish, we handle all framing, roofing, siding, windows, and trim details with precision.
Final Inspection & Finishing Touches
We make sure every detail meets our high standards and yours.

Ready to get started?
Request your free estimate!

Bay State Exteriors makes it simple and pain-free to get a no-cost estimate on your next project.

Use the form below to begin your project estimate request:

Your information is only used for project quotation purposes. We will never sell your data to a third party.

Proudly helping your neighbors with their homes throughout New England for over 20 years.

Headquartered in Salem, NH, our founding principle is providing honest estimates and personable customer service. We understand that it can be daunting to have a team working on your roof or siding, but at Baystate Exteriors we’re friendly, approachable and most of all we all grew up right here in the North Shore and greater Boston area! To make sure you are receiving the best services, we undergo CertainTeed, Lead Safe, and OSHA training each year to stay qualified and at the top of our business.

Large or small, Bay State Exteriors can handle it all.

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Successful Projects Completed

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Cities and Town Served

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Years of Industry Experience

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I had bathrooms put in and sales came down and helped me decide which way to go. Sal was very good with me decide which bathroom I should go with the day he came with his crew and put 3 full bathroom in my home I'm so happy with his work anybody needs bathroom or roofing call Sal I will use him on my other properties.

Nick and his Crew did a fantastic job! New siding , window trim, new roof, and gutters!! Very pleased with the finished results , and did a great job cleaning Up👍👍and they showed up when they said they would! 3-4 days done!

So happy we reached out to Sal and Bay State Exteriors to do our house in Cedar Impressions siding. This crew of guys worked very hard from beginning to end to make the exterior of our house look beautiful. These guys were professional and courteous at all times and Sal was very easy to work with and very responsive to all of our questions! I would 100% recommend Bay State for all of your home improvement needs. Thank you Bay State!

Sal came to our home in Plymouth gave us a bid that beat the other 3 I got. He showed up when he was supposed to and his crew was on time and pleasant. He gave us a quote on Saturday and said he would do the job that week. Low and behold he called Wednesday said his crew would be here Thursday. His crew showed Thursday morning and they were done by the end of the day. Very professional, very courteous and the yard was cleaned up when they left. I would recommend this company.

Why Choose Bay State Exteriors for Your ADU?

Local Experience You Can Trust – We’ve proudly served Massachusetts homeowners for years with top-quality exterior and renovation work.
Turnkey Service – No need to coordinate multiple contractors. We manage the entire process.
Energy-Efficient Materials – We use premium siding, roofing, and window products to keep your ADU comfortable and efficient year-round.
Quality Craftsmanship – Every project is built to last, with attention to detail and long-term durability in mind.

Ready to transform your property with a custom-built Accessory Dwelling Unit?
Whether you’re just starting to plan or ready to break ground, Bay State Exteriors is here to help every step of the way.

Call us today or request a free consultation to learn how we can help you create the perfect ADU for your home.

Expand Your Living Space with a Beautiful, Functional ADU

Roof Repair and Maintenance

Commercial Roofing, Siding & Windows

Roof Inspection

Emergency Roof Repair

Residential Roofing

Asphalt Roof Installation

Ice and Water Damage Repair

Rubber Roof Installation

Our ADU Services

Ready to get started? Request your free estimate!

Proudly helping your neighbors with their homes throughout New England for over 20 years.

Large or small, Bay State Exteriors can handle it all.

Why Choose Bay State Exteriors for Your ADU?

Request a Free Estimate

Ready to get started?
Request your free estimate!