Custom ADUs & In‑Law Suites For Your Home

Create Comfortable, Functional Living Spaces in Northern MA & Southern NH

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Why Choose Ayotte For ADUs & In‑Law Suites

  • Trusted Local Experts
    We serve Merrimack Valley towns including Andover, Lawrence, Haverhill, Methuen, North Andover, Dracut, and Lowell.
  • Family-Focused Designs
    We design spaces that allow families to live comfortably together while maintaining privacy.
  • Full Design + Build Service
    From concept and permits to construction and finishing, we handle every step.
  • Enhanced Home Value
    ADUs and in-law suites add functional living space and long-term value to your property.
Schedule Your Consultation
In-Law Suite in Nashua, NH

20+ Years

Of Home Renovation Experience Across New Hampshire & Massachusetts

Our Services

In‑Law Suite Additions

Private living areas designed for extended family members or long-term guests. Includes separate bedrooms, bathrooms, and kitchenettes, all integrated into your existing home or as an attached addition.

Accessory Dwelling Units (ADUs)

Self-contained living units ideal for rental income, guest space, or multi-generational living. ADUs can be detached, attached, or interior conversions and are designed to complement your home.

Custom Design Options

We tailor layouts, finishes, and amenities to your family’s lifestyle and your property’s unique characteristics.

Benefits of ADUs & In‑Law Suites

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Additional Living Space for Family or Guests

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Rental Income Potential

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Increased Home Value

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Flexible Multi-Generational Living

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Seamless Integration With Your Home

Turning Your Vision Into Reality

Our Process

At Ayotte Home Improvements, we believe that every successful home improvement project starts with a solid foundation—our collaborative process. Crafted from years of experience and designed with you in mind, our process ensures your vision becomes a reality, one step at a time.

Step 1:
Consultation & Site Review

Discuss goals, assess property, review zoning regulations.

Step 2:
Custom Design & Planning

Architectural plans, 3D visuals, and permitting guidance.

Step 3:
Expert Construction

Quality craftsmanship, project management, and transparent timelines.

Step 4:
Final Walkthrough & Support

Your ADU or in-law suite is ready to enjoy with confidence.

Start Your Project

Client Testimonials

  • We’ve used Ayotte Home Improvements for multiple home renovations, including most recently a second floor addition for a master bedroom. Bob does tremendous work. Well organized, manages his subs, and always gets the work done on time and on budget. The work is always phenomenal and couldn’t be happier with... Read More

    Tom Kelliher Avatar Tom K.
    January 14, 2026

    We recently rehired Ayotte Home Improvements to renovate our rear deck after having them build a new front porch the year before. The results from both projects exceeded our expectations. From start to finish, the team was professional, courteous, and detail-oriented. Bob and his crew were friendly, professional, and kept us... Read More

    peter kraus Avatar peter k.
    December 5, 2025

    It was our first reno and Bob got us through it. He helped us through every moment; keeping us informed of what was coming next and answering our many questions. Our kitchen looks amazing. We plan on using him again for the next project!

    Laura Vaughan Avatar Laura V.
    December 3, 2025

  • Bob Ayotte, his team and subcontractors made my sketches and ideas for a basement build out a beautiful reality. I interviewed several contractors, Bob truly understood my vision, and worked with me to get it built. The project management was impressive, from framing, plumbing, electrical, insulation, drywall, flooring... Read More

    Bob Stewart Avatar Bob S.
    December 2, 2025

    Bob and his team did an amazing job constructing our home addition. Bob was collaborative throughout the whole process. His advice and experience are invaluable. I highly recommend Ayotte Home Improvements for your future renovation and construction needs.

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    Chris Rose Avatar Chris R.
    December 2, 2025

    We used Ayotte Home Improvements to refinish half of our basement. Firstly I was impressed by the fact he listened. I have had some bad experiences where the general contractor shows up and talks over you because they know it all....I was also impressed by his transparency regarding the process.... Read More

    Dick Pilsner Avatar Dick P.
    December 2, 2025
  • In-Law Suites
In-Law Suite in Amherst, MA
Amherst, MA
In-Law Suite
In-Law Suite in Amherst, MA
Amherst, MA
In-Law Suite
In-Law Suite in Amherst, MA
Amherst, MA
In-Law Suite
In-Law Suite in Burlington, MA
Burlington, MA
In-Law Suite
In-Law Suite in Burlington, MA
Burlington, MA
In-Law Suite
In-Law Suite in Burlington, MA
Burlington, MA
In-Law Suite
In-Law Suite in Burlington, MA
Burlington, MA
In-Law Suite
In-Law Suite in Burlington, MA
Burlington, MA
In-Law Suite
In-Law Suite in Burlington, MA
Burlington, MA
In-Law Suite
In-Law Suite in Burlington, MA
Burlington, MA
In-Law Suite
In-Law Suite in Burlington, MA
Burlington, MA
In-Law Suite
In-Law Suite in Burlington, MA
Burlington, MA
In-Law Suite
In-Law Suite in Burlington, MA
Burlington, MA
In-Law Suite
In-Law Suite in Burlington, MA
Burlington, MA
In-Law Suite
In-Law Suite in Burlington, MA
Burlington, MA
In-Law Suite
In-Law Suite in Burlington, MA
Burlington, MA
In-Law Suite
In-Law Suite in Burlington, MA
Burlington, MA
In-Law Suite
In-Law Suite in Nashua, NH
Nashua, NH
In-Law Suite
In-Law Suite in Nashua, NH
Nashua, NH
In-Law Suite
In-Law Suite in Amherst, MA
Amherst, MA
In-Law Suite
In-Law Suite in Amherst, MA
Amherst, MA
In-Law Suite
In-Law Suite in Amherst, MA
Amherst, MA
In-Law Suite
In-Law Suite in Amherst, MA
Amherst, MA
In-Law Suite
In-Law Suite in Amherst, MA
Amherst, MA
In-Law Suite
In-Law Suite in Amherst, MA
Amherst, MA
In-Law Suite
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In-Law Suite in Amherst, MA

FAQs

How much does an ADU or in-law suite cost?

Costs vary depending on size and design. We provide detailed estimates after consultation.

Do you manage permits?

Yes, we handle local zoning and permitting for all projects in Northern MA and Southern NH.

How long does construction take?

Timelines depend on project scope. We provide a clear schedule upfront.

Schedule Your Consultation

Ready to Add an ADU or In-Law Suite?

Get Your Personalized Estimate
Call Us: 603‑966‑5018