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    Deerfield Library
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    Concrete Restoration
    Deerfield Library - Before
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    Deerfield Library
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    Concrete Restoration
    Deerfield Library - After
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    St. Mary's Academy Dover
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    Decorative Masonry Restoration
    St. Mary's Academy Dover - Before
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    St. Mary's Academy Dover
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    Decorative Masonry Restoration
    St. Mary's Academy Dover - After
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    1087 Elm Street
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    Decorative Masonry Restoration
    Decorative Masonry Restoration - Before
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    1087 Elm Street
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    Decorative Masonry Restoration
    Decorative Masonry Restoration - After
About Duffley Development

Duffley Development Corp. has been operating for over 20 years in Manchester, New Hampshire. We service customers in all of New Hampshire, Northern Massachusetts and further out if necessary. We offer a wide range of quality services to help you with your building’s needs. Using quality products, with our proven methods of application, we will ensure our work will meet your highest standards.  Our work will be done in a timely manner, with the least amount of disruption possible to allow you to be as functional as possible as we complete your work and with the highest safety standards.

We Specialize in:

  • Concrete and Stone Repair with Color Matching
  • Pointing with Color Matching
  • Concrete Topping and Custom Repair
  • Sealants and Expansion Joints
  • Parking Garages
  • Water Repellants and Building Cleaning
  • Granite Resetting
  • Water Proofing and Elastomeric Coatings
  • ARDEX
    Quality Workmanship

    Steve and his staff come highly recommended by our company. Have done dozens of projects together over the past 15 years and the craftsmanship, attention to detail, and finished product are always exceptional. Their many repeat customers / multiple projects year after year is a testament to the high standards and quality workmanship of Duffley Development.

    -Barry Cullen – Ardex Engineered Cements
  • Trinity High School
    Highly Recommended

    The Duffley Development has been our main contractor at Trinity HS, St. Raphael Church, and St. Benedict Academy for many years and their work has always been up to our standards and expectations. I highly recommend them.

    -Raymond Clement-Facilities Director
  • Citizens Bank
    General Contractor's Dream

    I have been working with Duffley Development for 4 years now, on some very large masonry and waterproofing projects.  Their professionalism and expertise are second to none.  Their work is the highest quality, and I have never even had the smallest problem on any job and that is a General Contractor’s dream

    -Crystal Laliberte