We build beautiful, modern spaces in the Bay Area

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A new kind of builder

We deliver traditional, proven construction techniques with a modern touch – focused on quality, budget and timeliness. It’s the way we grew up, and it’s how we’ve been building for more than 20 years.

Services

  • Close-up of wet concrete with metal rebar grid and construction workers in the background.

    FOUNDATIONS & SEISMIC RETROFITTING

    We can handle any concrete and seismic retrofitting work. From footings to shear walls, we can construct your project to any specifications your engineer and architect need.

  • Wooden building framework under construction with scaffolding and a staircase, against a blue sky.

    SHORING & FRAMING

    Our crews have extensive experience in all wood and steel framing techniques and standards. From mud sills to rafters, we can build it ground up.

  • Hydronic floor heating

    MECHANICAL TRADES

    With over 20 years building in the Bay Area, we've built a strong network of skilled licensed trades. From hydronic floor heating to custom aluminum roofing, we’ve got you covered.

  • Newly constructed house with beige siding, three large black-framed windows in the upper and lower floors, and a small section of the sky showing reflections on the windows.

    WINDOWS, EXTERIOR SIDING, DECKS, FENCES & STAIRS

    From footings to shear walls, we can construct your project to any specifications your engineer and architect need and handle any concrete and seismic retrofitting work. 

  • Interior of a house under construction, with unfinished drywall and large windows showing an outdoor yard with trees and a shed.

    INSULATION, DRYWALL, & PLASTERING

    We have the experience and skills to provide superior installation of all types of insulation and subsequent wall finishing. We take it from top-tier insulation installation to a level 5 drywall finish - no problem.

  • Four circular color chart discs with segmented color sections placed on a white surface.

    INTERIOR FINISHES

    Pieces that bring the whole project together: From custom tile and stonework to specialty cabinets to closet interiors, we’ve got the finishes to your project organized and looking clean.

  • "We hired Mizen to do an almost complete remodel of our home. Their prices were extremely fair and they stayed within budget. No surprises along the way. They are very transparent with any problems that arise and always had options for us to choose from to continue moving forward. They are also a great group of guys. There work is top notch and l'd highly recommend working with them!"

    — Phillip

  • "These guys are very professional and 100% trustworthy. Their prices are fair and their work is great. Did I mention that they are trustworthy? In a city full of contractors that make the majority of their money by extorting their customers with ridiculous change orders and $100/hr subcontractors, Ciaran and Mark are a welcome addition. l've been burned by unscrupulous contractors in the past and will be using these guys from now on."

    — Raymond F

  • "Ciaran and his crew from Mizen are absolutely top-notch. We hired them for a complex, multi-unit renovation of our beloved 1920's era flats in the city. This involved everything from foundation and seismic work to full demolition and rebuilding of every aspect of the home. For one of the units this meant restoring complicated curved ceilings and original gumwood trim - done to perfection. Mizen's communication, craftsmanship, timeliness, and value surpassed our expectations. We enthusiastically recommend them to you for your next building project."

    — Howard R

  • "I can't say enough about Ciaran and his Irish crew. We had a 10 experience with this customer experience oriented team. We went through a full home remodel in Noe Valley. Ciaran was focused on making sure we stayed on time, within budget and that we were completely satisfied. I would highly recommend Mizen! These guys are amazing and fun to work with."

    — Glo G.

  • "We hired Ciaran and Mark for a small but complicated renovation of our 1906 home. They were great! Trustworthy, responsive, and quality contractors, that came in on time and on budget. I work with a lot of builders and these are some the best that I have come across in 10 years of construction. There team is also great. We were home with 2 young kids for a portion of the renovation and Mizen accommodated for us perfectly making it a much easier and low stress environment. Would highly recommend them."

    — lan M

  • "I've worked with a lot of contractors on various remodeling and home repair projects over the last few years, and Ciaran and Mark from Mizen are some of the best l've met. An awesome experience from start to finish. I was truly impressed with the quality of the work and we absolutely love our new front steps. Without question, we'll be using these guys for all of our general contracting needs going forward."

    — Chad Hi

  • "Mizen did a project for us on the front steps of our Victorian and we couldn't have been more pleased with the experience. We chose to go with them based on their professionalism and communication, and in the end we knew we'd made the right choice. Our overall expectations were truly exceeded by this team.""

    — Molly P