Building Additions

Building Addition Services

Craftsmanship Warranties

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Transform Your Home with South Shore In-Laws

South Shore In-Laws, a family-owned general contractor and builder based in Plymouth, MA, specializes in building additions that transform homes and add significant value. Whether you're considering a master suite, a second-story addition, or even a sunroom, our team is equipped to bring your vision to life.



Please get in touch with us today for your building addition needs:

  • Adding a bedroom
  • Adding a finished attic
  • Adding a gym
  • Adding a mudroom
  • Adding a second floor
  • Adding in-law suites
  • Attic transformations
  • Bonus rooms
  • Detached garages
  • Dormers of all types
  • Double-story additions
  • Garage additions
  • Garage enlargements
  • Garage remodels
  • Garages
  • Master suites
  • Second-story additions
  • Single-story additions
  • Sunrooms

Why Building Additions?

Building additions are a fantastic way to enhance your living space and increase the value of your home. Here's why:


  • Master suites offer a private sanctuary within your home
  • Attic transformations can turn unused space into a functional area
  • Bonus rooms provide extra space for hobbies, guests, or work
  • Second-story additions and dormers of all types add significant square footage
  • Sunrooms bring in natural light and provide a relaxing space
  • Garage additions, enlargements, and remodeling increase storage and utility space


South Shore In-Laws is ready to execute your building addition project. We also offer planning and design services to bring your vision to life. Call or text us today to get started on your building addition.


Why Choose South Shore In-Laws?

South Shore In-Laws is not just a contractor; we are a partner in making your home better. That's why we stand behind our work with craftsmanship warranties.


Here's why you should choose us:


  • Locally and family-owned, ensuring a personal touch in every project
  • Excellent communication throughout the project
  • Your happiness with the job matters to us
  • Fully licensed and insured
  • Offering free quotes and immediate responses
  • Carrying liability insurance for all projects we work on
  • Working with insurance companies and handling building and construction permits


Put our 25 years of experience to work for you. Get in touch with South Shore In-Laws to start your building addition project today.

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Learn More About

South Shore In-Laws

Serving the Plymouth, MA area, South Shore In-Laws specializes in kitchen and bathroom remodeling, finished basements, and additions. Fully licensed and insured. Craftsmanship warranties. Work with insurance. Call for service today.

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