+1 707-996-2261


Inn at Sonoma - Buffet
Inn at Sonoma - Exterior
  • “It was our good fortune to have Mangiantini Construction replace the decking, stairs and railing on the front and back of our home. They also replaced the deck around our pool. They did an expert job and we have recommended them to others. John Mangiantini is a true professional. “
    Barbara Nobles - Homeowner

  • “Mangiantini Construction, Inc. saved my life. I was building a 19-room bed and breakfast hotel here in Sonoma, California. I had previously gone through two other contractors who made an absolute mess of the project. I then found John Mangiantini of Mangiantini Construction. He was efficient, honest and extremely skilled. He straightened out the project in no time and completed my hotel, taking care [read more…]
    Dan Parks - Inn at Sonoma

  • “We had a wonderful experience working with John Mangiantini. He was responsive, personable, and easy to work with. John was always honest about issues that came up during construction and about costs. We could rely on him to find an answer and quickly resolve problems. We highly recommend him.”
    Barbara and Ben Aliza -

  • “I am so glad that I used Mangiantini Construction for my remodel. I bought an older house and spent months developing plans with an architect to “update it.” Then I shopped around for a contractor. It was a most frustrating process. Some contractors told me that they didn’t estimate jobs while others gave me “ballpark” estimates with no facts to back up their figures. John Mangiantini was [read more…]
    Lauren Watkins - Homeowner

  • “John Mangiantini is the contractor you thought you’d never find. He is a conscientious, honest, skilled craftsman, genuinely intent on producing the results you seek. During our projects John met with us frequently to confirm that what he was doing was what we expected. Most often we were all on the same page, but, when we weren’t, John spared no effort to adjust to our expectations. During a project, when you [read more…]
    Bill Foley -

  • “John Mangiantini has been a great contractor to work with. Remodeling can be a difficult emotional roller coaster ride. John made the process as comfortable as possible. His even keeled manner helped us through it all. He offered helpful suggestions along the way which were invaluable to us. John was always immediately responsive to all our needs and concerns; a quality not often encountered with other  [read more…]
    Lars Yockel -

Quality Construction You Can Count On

Custom Home Remodeling

Custom Home Construction Living Room

Remodel your dream house! We work with architects and designers, from design to finish, to craft the home of your dreams.

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Commercial Construction

Commercial Construction - Inn at Sonoma

Construct commercial building projects from mixed-use, light industrial and multi-tenant, to offices and hotels on budget.

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Construction Management

John Mangiantini and Foreman

Manage construction projects professionally to stay on budget, on schedule, eliminating waste and maintaining quality workmanship.

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View Some of Our Recent Work

Why Build with Mangiantini?

Quality construction begins with a 3rd generation Sonoma native

Top 5 Reasons to Hire Mangiantini

Get Started

Mangiantini Construction offers a complimentary consultation on your construction project!

Contact us today to get your project underway at (707) 996-2261