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What's most important for your construction project?

Our Services

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  • Additions

    imageAdding a room to your home with Michael Sullivan Construction is a cost-effective way to gain valuable living space.

    Starting with conception to design and working through the construction process to realize your projects needs and visions!
  • Garages

    image Michael Sullivan Construction is a licensed and insured contractor with years of experience specializing in small and large projects, including small single stall garage additions as well as much larger three stall detached garages and workshops.
  • Porches & Decks

    image Proper design and support is essential for safe construction of decks and porches.

    Michael Sullivan Construction strives to meet all current codes and standars, as well as your quality requirements.
  • Vinyl Siding

    image One of the most amazing transformations that can take place in an older home remodeling project is the addition of quality vinyl siding.

    Vinyl siding is durable, low maintenence, and available in many styles and colors.
  • Renovations

    imageKitchen and bath remodels or energy efficient replacement windows and doors can help bring a welcome facelift to just about any home.

    Even small renovations and remodeling projects can add value to your home.
About Michael Sullivan Construction

Michael Sullivan Construction of Hampstead, NH is a full service, family-owned company serving southern New Hampshire and the border towns of northern Massachusetts.  We offer a broad range of general contracting services to help you bring your all of your construction projects a reality.  Whether it's a remodeling project, a small addition, or even building an entirely new home, Michael Sullivan Construction can help.

We will work with you throughout all stages of the construction process, from concept to construction, ensuring that you get the results you've dreamed of. We're available to answer your questions at any time, and we strive to meet your budget needs. Contact Us Today!



Renovation Before

Recent Renovation by Sullivan Construction

Michael Sullivan Construction gives this 30 year old house a new lease on life with new energy efficient windows and doors, quality vinyl siding, and the addition of a farmer's porch. Click on the picture to see the completed project!

Mahogany Deck

Mahogany Deck

Beauty and Durability

This latest deck project not only shows the appreciation our customer had for the beauty and durability that a fine natural wood like mahogany can offer, but also the true pride in craftsmanship that every Michael Sullivan Construction project receives.

Kitchen Remodel

Kitchen Remodel

Fantastic Kitchen Remodel

We believe we offer the best quality kitchen remodeling services available, and stand by our commitment to bring your latest project vision a reality. This latest kitchen remodel enhances the beauty and value of our customers home with quality granite counter tops, a functional island breakfast bar, and Michael Sullivan Construction's pride in quality and craftsmanship.  

Licensed and Insured

Michael Sullivan Construction is completely licensed and insured to work in both New Hampshire and Massachusetts. Protect your investment and only hire licensed and insured contractors for your home improvement projects.

As of August 23, 2010 Michael Sullivan Construction, LLC is a Lead Safe Certified Firm. Having fulfilled the requirements of the Toxic Substances Control Act, we are certifed to conduct lead-based paint renovations, repairs, and other painting activities.

Responsible and Reliable

At Michael Sullivan Construction, we strive to keep you involved and informed throughout the construction process. Our commitment to all of our customers is to remain on budget and on schedule.

We are also proud to be listed as a Better Business Bureau accredited business. You can view our BBB business review page by clicking here.

Contact Information

Michael Sullivan Construction
43 West Rd
Hampstead, NH 03841

Daytime Phone:
(603) 235-6325

After 6pm:
(603) 329-6078

Business Hours:
Monday through Saturday
7:00AM - 5:00PM


Find us on Facebook
Our Facebook Page

BBB Accredited Business
More information...

Customer Testimonials

image Choosing the right contractor is critical in ensuring that your project will be completed on time , on budget, and to your satisfaction.

At Michael Sullivan Construction, we work with you from your projects concept and design through the entire construction process to completion. We take pride in our work, and will work hard to ensure you are completely satisfied before our work is done!

Please read our customer testimonials!
Better Business Bureau Accredited Business

Certification #NAT-74861-1
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Neat and Clean

All major projects require proper disposal of construction and demolition debris. Michael Sullivan Construction works hard to keep our construction projects neat and clean, which includes dumpster services as needed, and a broom cleaned enviroment throughout the construction process.

Satisfaction Guarantee

We take pride in our work at Michael Sullivan Construction, and guarantee all work completed. If you are not completely satisfied, please let us know and we will work with you to resolve any issues that might come up through the construction process.

Free Estimates

Free Estimates: Please feel free to give us a call and let us know what project design goals are, we would be more then happy to come out to your residence and work with you to put together a good faith estimate to meet your budget needs.