Full - Service Contracting in the Mount Washington Valley and Lakes Region

Addison Mason Builders is a full-service contracting company serving the Mount Washington Valley and Lakes Region. We can help take your project from conception to completion in a seamless fashion. From assisting in choosing a building site, design, permitting, land development, construction and finish landscaping, we can provide it all. We offer in-house design and plans for most jobs. We also work closely with several area architects. We also will work as a subcontractor on many projects if the homeowner or architect is the General Contractor.

We can offer the home or land owner with property on a lake or river guidance with our knowledge of the laws and regulations that are covered in the new Comprehensive Shoreline Protection Act which was passed in 2008. We will help you understand the new rules and regulations and how they pertain to your specific goals that are involved in your project. We will work hard to best achieve your original goals and still meet the criteria that are involved with NH DES CSPA. We can guide you in the right direction to secure permits or we can take care of the application and permitting process for you.

Whether you are building a new home or addition, remodeling your existing home, or replacing the exterior, we have the expertise that comes with experience to help guide your project through the many choices and decisions that need to be made.

From a small job that might be as simple as a door replacement to designing and building a complex home with advanced systems, our knowledgeable employee’s and subcontractors can get the job done. Our lead men and subcontractors stay current with the latest technology, building practices, and system installation practices that shape the industry we work in too give our customers the most value we can.

We offer a consistent product due to the fact that the same specialized subcontractors are used year in and year out. Our team of dedicated employee’s does not change as we strive to be a responsible employer and make our company a place where you are proud to work. These qualities have led to our company’s success.


We offer many types of styles in building construction and different building types:

  • Conventional framed homes and additions
  • Log homes
  • Timber framed homes
  • Modular homes
  • Kit homes
  • Garages
  • Sunrooms & Screen rooms

AM Builders is also a full service roofing contractor, we have a crew that specializes in roofing only. We install and repair all types of roofing:

  • Standing seam metal roofs
  • Screw down type metal roofing
  • Fiberglass / asphalt roof shingles
  • Wood roofs
  • Low slope roofing products & EDPM rubber roofs
  • Custom metal bending services

We are also the company you can call for home exterior needs such as siding & windows:

  • Traditional wood siding – All types
  • Cement sidings & composite trims
  • Vinyl sidings & custom bent metal trim
  • New windows installed
  • Replacement windows

We can replace that aging deck or build a new one with many types of different material:

  • Pressure treated
  • Composite with concealed fasteners
  • Cedar or Mahogany
  • Composite or vinyl railing systems
  • Traditional wood railings
  • Pergola’s
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