MAC design + build is an award winning, full-service design/build firm specializing in residential remodeling and custom homebuilding for homeowners throughout Northern Virginia. Our remodeling specialties include design and build-out for kitchens, bathrooms, additions, patios and decks, and custom homebuilding.


Are you living in a community and location you love, yet feel like you’ve either outgrown your current home or desire to add more space? There is no need to relocate; let MAC design + build make your existing home ideal.

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As the "heart of the home" your kitchen is the room where family and friends gather. Remodeling your kitchen will add new life to your home, or allow you to upgrade from "builder-grade" cabinets, countertops and appliances, not to mention enhance your resale value in the future.

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Your bathroom should be your sanctuary and reflect the style you’ve so lovingly infused into the rest of your home. Imagine a heated floor or towel racks, inlaid tile flooring, natural stone and recessed dimmer-controlled lighting. That’s the way to truly relax and enjoy your master bath.

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MAC design + build is a leading builder of custom single-family homes in Northern Virginia, as well as a remodeler for existing homes.

We specialize in new home design and construction.

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The outside of your home should be as beautiful and functional as the interior, and it can be with a custom deck or patio. Enjoy family and friends on your own private oasis that extends your living space into the natural surroundings of a beautifully landscaped garden.

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We also handle smaller projects for clients as our schedule allows. These projects have included, but are not limited to: foyers, dormers, laundry or craft area renovations, full or partial landscaping and pools. If you envision a change in your home, just ask us.

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One Team Under One Roof

Everybody at MAC design + build, from the owners to the architects to the construction clean-up crew is on the same team – your team. We are all accountable for meeting your expectations.


  • Clark A.9/28/2020

    We worked with several of the MAC staff on a custom home design and land consulting. They are a top notch team from the first email. Always working like it... read more

    Liz W.6/23/2020

    Derek and the MAC team are incredible. We are in the beginning stages of the project and have had a terrific experience! Derek is creative, dependable and has moved... read more

    Angie's L.2/19/2018

    We were really happy with the design assistance they provided. There are so many choices to make, and their expertise really helped us narrow down our selections. They installed a... read more

  • Sarah G.7/20/2020

    While we didn't end up moving forward on our project with MAC, they were great to work with while we were in the initial planning phase. Justin was so patient... read more

    Elizabeth D.5/07/2021

    Justin was prompt, knowledgeable and extremely helpful. I would recommend him and this company to anyone with larger home projects!

    Cheryl D.4/25/2021

    Wonderful people. I love my windows!

  • Shannon S.7/28/2020

    Working with Justin is an absolute Delight. He is very professional and thorough. Highly recommend. Love this place and the people!

    Robin L.3/15/2021

    Justin and Derek were awesome! We remodeled our kitchen and 3 bathrooms. From the initial design to the end of construction MAC was professional and provided great customer service.
    WE LOVE...
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    Angie's L.2/06/2020

    When seeking a design firm to remodel our large outdated kitchen, we searched for a company that would create a unique and dramatic outcome. The design was complicated and required... read more

  • Angie's L.1/29/2020

    It was fantastic. They were awesome and very highly recommended. They were accurate, fast, efficient and it was cost-effective.

    Sylvia I.7/03/2021

    Deciding to gut your existing kitchen is a big decision, but in today’s real estate market, especially here in Ashburn, it’s worth the time and expense to update the most... read more

    anthony l.7/28/2021

    I am very pleased with the service provided! Not only did they take the time to ensure that my specific requests were met, but they used quality materials and the... read more

  • Angie's L.2/19/2018

    The kitchen is a total Show Stopper. Our neighbors comment on the unique design features and quality of the finishes. One notable feature is a coffered ceiling that really makes... read more

    Brad H.7/09/2021

    Derek Leiter (Owner) and Justin (Project Manager) are outstanding individuals to work with. When I decided I wanted to finish my basement it was important to me to work... read more

    Nova S.2/11/2020

    I am the Outside Sales Rep for Nova Stone Center - Ashburn. I have had the pleasure of working with MAC Design+Build. They are amazing at what they do. They... read more