Build a Legacy

Local, Trusted, Technical Builder.

At C2 Building Group, we are more than just builders—we are a team driven by passion, precision, and a commitment to excellence. Founded with the goal of creating an exceptional team dedicated to serving outstanding clients, we take pride in delivering high-quality projects while fostering strong, long-lasting relationships. We look at ourselves as a partner in every project, and ensure that the project budgets align with the project goals. We pride ourselves in being good stewards of every dollar spent as if it was our own investment.

3%

Top 3% of Contractors Nationwide

11

Years in Business

260

Total Projects Completed

$450,000,000+

Total Volume

Featured In

Reef San Diego office. Modern white and black office building with large glass windows, surrounded by landscaping and trees, with a pathway leading to the entrance labeled 'Reef'.

San Diego’s trusted partner for innovative, high-quality commercial construction

Core Markets

There are a lot of builders out there, but our secret sauce is our people. We have curated a team of the best people in the industry and we are proud to serve a diverse range of core markets. No matter the sector, our commitment to quality, collaboration, and excellence remains the same. Let’s build something exceptional together.

Your multi-family project designed to foster community

  • Amenity spaces

  • Sleek high end finishes

  • Multi-family ground up and conversions

Your dream office space with a focus on

  • Raw materials

  • Craftsmanship

  • Collaboration

Your unique repositioned campus built to enhance quality of life

  • Amenity Spaces

  • Country Clubs and Hospitality Spaces

  • Cafe, Restaurants, and Fitness and Wellness Centers

Your ground-up developments, industrial build, or aerospace manufacturing space, built to change the world.

  • Beyond the limits

  • Robust infrastructure

Your modern lab space that encourages

  • Innovation

  • Discovery

  • Healing

The best people.

The best results.

We believe that who we are is more important than what we do. At C2, our core values aren’t just words—they’re the foundation of everything we do. We’ve built our company on a strong, intentional culture that guides how we work, collaborate, and grow, and we’re proud to uphold it every step of the way.

  • State Street Commons in Carlsbad. Commercial Construction Builder in San Diego. Modern building featuring a large round clock, glass walls, and warm sunset reflections

    "C2 Building Group is a company of hard working, honest and highly talented individuals. Our firm has worked with C2 to build several projects and each time, we are amazed at the level of attention to detail and follow through. C2 has a sound process, they are strong communicators and know how to execute, even when the design standards are high."

    MANAGING PRINCIPAL, FABRIC

  • Commercial construction in San Diego. Construction workers pouring concrete at a building site with concrete truck and boom pump

    “It’s always a pleasure working with the C2 Building Group team. Your team has a can-do attitude in the office and field and is quick to identify potential problems and quickly resolve them to keep the project on schedule and budget. Your project managers and superintendents are great to work with and make sure that we have what we need to make the project a success.”

    VP OF QUALTECH CONCRETE, INC.

  • LENNAR Office in San Diego. C2 Building Group commercial construction. Modern dining area with round and square tables, black chairs, a bar with high chairs, large windows showing a cityscape, and a ceiling with black slats and linear lighting.

    "Thank you for your fantastic work on this project! You have been one of the best GC teams I’ve worked with, and I’m very pleased with the result of the project. A great GC makes a project easier for everyone, and that was definitely the case on the Lennar project. I will be reaching out to C2 first for my next project in San Diego."

    DIRECTOR, MARKET LEAD, CBRE

  • Commercial Construction in San Diego, C2 Building Group. Construction workers at night working on a large concrete wall with angled structural supports, wearing safety gear including helmets and reflective vests.

    “Working as a subcontractor under C2 Building Group on a large-scale earthmoving project was an outstanding experience. Their leadership was marked by clear communication, proactive problem-solving, and a steadfast commitment to safety and quality. The project was executed efficiently, staying on schedule and within budget, thanks to their meticulous planning and coordination. Collaborating with such a professional and dedicated team not only facilitated a successful project outcome but also made the process enjoyable. We look forward to future opportunities to partner with C2 Building Group again.”

    PROJECT MANAGER, WEST TECH CONTRACTING, INC

  • C2 Building Group Office TIs. Interior view of a modern reception or lobby area featuring a wooden ceiling, a marble counter, a computer, and a green velvet upholstered couch.

    “Thank you for creating such an amazing San Diego office. Our first day was fantastic, and it was clear how much thought and planning went into every detail. Several team members remarked on how complete and polished the office felt from day one.”

    LAB DIRECTOR, UNDISCLOSED T.I.

  • Construction workers pouring and spreading concrete on a building foundation at a construction site with mountains in the background.

    “KONE San Diego has worked together with C2 on several of our MonoSpace projects. Their pre-con team has always provided accurate and timely hoistway and building information during the design phase. And C2’s field staff can be counted on to construct the hoistway according to KONE’s requirements for quick installation and first time State of CA inspection approval. C2 is one of KONE San Diego’s preferred GC customers.”

     SALES MANAGER, KONE

  • Empty laboratory workbenches with white cabinets, black countertops, and wall-mounted pipes and shelves in a clean, sterile environment.

    “C2 is motivated, easy to work with, accessible, direct and honest. They bend over backwards with management of cost, budget and time. This is added value.”

    DIRECTOR OF FACILITIES, ABBOTT

  • Modern apartment kitchen and living area with large window view of hills and neighborhood, featuring minimalist white cabinetry, blue chairs, gray sofa, wooden tables, and kitchen appliances.

    "They are a dynamic, technically inclined, solution oriented group that enjoys making construction fun."

    — KILROY CM

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we're too busy building stuff.

We don't post much... we're too busy building stuff.

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