ADU and In-Law Suites

Southeastern Massachusetts

0% Interest Financing Available

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Expanding Your Living Space

Looking to add more living space to your home? B & D Construction Co., Inc specializes in creating beautiful and functional accessory dwelling units (ADUs) and in-law suites in southeastern Massachusetts. We're here to help you maximize your property's potential and accommodate your changing family needs. Whether you need an entire home addition, or want to convert your garage, we'll get the job done right.


Ready to explore your options? Reach out to us to discuss your ADU or in-law suite project.


  • What is an ADU ?

    Per The Affordable Homes Act of 2024 —An ADU is an “Accessory Dwelling Unit”, which is a self-contained or separate housing unit that includes sleeping, cooking and sanitary facilities.  An ADU shall be permitted on all single family lots in Massachusetts (with restrictions from each town/city) and must pass all MA building codes.


    So what is allowed?  Some single family homeowners can build a separate building or attach an addition (side or rear of home only), that does not already have an ADU or In-law.  Of course you will need to hook up to water and sewer, just like existing house.


    Most Importantly: This addition must be 50% of your current gross living area. Which means if you have a 1,200 sqft house right now, you can add a 600 sqft addition. Max allowable is 900 sqft and can contain up to 2 bedrooms (most towns). By-laws state it must be on a foundation and can never be separated or sold separately, and must have a separate parking space. No “Special Permit” should be required if you meet guidelines.

Why Consider an ADU or In-Law Suite?

There are numerous reasons why homeowners in southeastern Massachusetts are choosing to add ADUs and in-law suites to their properties. These versatile spaces can:


  • Provide additional living space for aging parents or adult children
  • Create a private guest area for visitors
  • Serve as a home office or studio
  • Generate rental income
  • Increase property value
  • Offer flexibility for changing family dynamics


With B & D Construction, you'll have a trusted partner to guide you through the entire process, from design to completion. We'll ensure your new space meets all local building codes and regulations while perfectly complementing your existing home.


Why Choose B & D Construction

When it comes to additions, B & D Construction Co stands out as the premier choice in southeastern Massachusetts. Here's why:


  • Over 40 years of experience in the construction industry
  • FREE quotes
  • We use only the best materials from reliable vendors
  • Licensed and insured, including liability insurance
  • Fast turnaround times once work begins
  • Personalized attention and open communication
  • 0% interest financing available
  • A one-year workmanship warranty available
  • Locally and family-owned since 1983


We're passionate about our work and committed to doing things right the first time. Our team handles all necessary permits and approvals, ensuring your project complies with local building codes. Plus, have a referral program - contact us for details.


Contact Us

Ready to transform your property with an ADU or in-law suite? B & D Construction is here to bring your vision to life. Our experienced team is eager to discuss your project, answer any questions, and provide you with a FREE quote. Don't wait to enhance your living space and increase your property's value. Get in touch with us today and take the first step towards creating the perfect addition to your home.

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Referral Program Available

Get a Visa gift card if your referral signs a contract with B & D Construction Co.

Contact Us to Learn More About Our Referral Program

(508) 500-1926
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0% Interest Financing Available

Get 0% financing from B & D Construction Co on your next construction or remodeling project.

Call to Get Started

(508) 500-1926