A Century of Excellence in Construction

When searching for a trusted General Contractor in Boise, Idaho experience, reliability, and quality matter most.

Preferred General Contractor for Boise Business Owners

When searching for a trusted General Contractor in Boise, ID, experience, reliability, and quality matter most. For over 100 years, Mark Guho Construction (MGC) has set the standard for excellence in the Treasure Valley and beyond. From large-scale commercial builds to intricate tenant improvements, our fourth-generation, family-owned company has proudly built projects that shape the region’s communities, businesses, and neighborhoods.

Fourth Generation of Family Owned Business

Why Choose Mark Guho Construction as Your General Contractor?

When it comes to selecting a general contractor, the difference is in the details. Our clients choose MGC because of our proven ability to:

  • Deliver Complex Projects with Confidence – From hospitals to educational facilities, retail centers to high-end offices, we know to manage projects of every scale.

  • Provide Financial Stability & Strong Partnerships – With an unlimited Idaho public works license, solid banking relationships, our clients know their investments are secure.

  • Build With Integrity – Open communication, cost transparency, and collaboration ensure that every project is delivered on time and within budget.

  • Maintain the Highest Standards of Safety – A safe project is a successful project, and our on-site teams uphold rigorous safety programs for every build.

  • Craft With Precision – Our skilled workforce and advanced equipment allow us to handle everything from excavation and steel erecting to fine carpentry.

Founded in 1919, Mark Guho Construction has been “building on a name” for more than a century. As a fourth-generation family business, we’ve carried forward a tradition of craftsmanship, integrity, and community investment. What started as heavy civil construction in California evolved into one of Idaho’s most respected General Contractors, with a focus on complex commercial projects across Boise, Eagle, Meridian, Nampa, and beyond.

Today, our company continues to grow while staying true to the values set by founder Mark N. Guho.

Featured Projects

What MGC Offers

MGC provides a full spectrum of services to meet the needs of businesses, developers, and institutions in the Pacific Northwest:

Pre-Construction Planning

  • Value Engineering: Identifying cost-saving alternatives that maintain design integrity.
  • Constructability Reviews: Analyzing drawings and specifications to catch errors before they become expensive field changes.
  • Bid Management: Vetting and selecting the right subcontractors for your specific needs.
  • Permitting & Approvals: Navigating the city requirements to keep the project on schedule.

Construction Management

  • Cost Control: Detailed estimating and value engineering to maximize your investment while maintaining design.
  • Schedule Management: Proactive planning to keep project milestones on track.
  • Quality Assurance: On-site inspections and extensive standards for every trade.
  • Risk Mitigation: Comprehensive safety oversight and contract management.

Design-Build Solutions

  • Collaboration: Designers, builders, and owners brainstorm together to find creative, cost-effective solutions to meet desired project outcomes.
  • Integrated Approach: Real-time feedback on costs and constructability during the design process, which shortens project timelines and significantly reduces the risk of change orders.
  • Reduced Administrative Burden: You focus on the big picture while we handle the day-to-day coordination with the architects, engineers, and local governing authorities.

Safety

  • Site Safety: Safety plans designed for the unique challenges of your specific project. We believe a safe site is an efficient and effective site.
  • Daily Toolbox Talks: Regular on-site briefings to keep safety top-of-mind for every trade partner.
  • Incident Prevention & Reporting: Real-time monitoring and data-driven analysis to prevent recurring hazards.
  • Certified Oversight: MGC superintendents and employees hold the authority to pause work if conditions are not optimal.

Quality Assurance

  • Constructability Reviews: We thoroughly review architectural plans early to catch design conflicts before they reach the field.
  • Subcontractor Vetting: We partner with trades who demonstrate a proven track record of high quality while maintaining the project schedule.
  • Digital Documentation: We use real-time field reporting and photo logs in ProCore to maintain complete transparency and accountability.
  • Proactive Management: We strive to identify potential mistakes prior to them occurring to reduce schedule-impacting “rework.”
  • Scott Huerd, MD Testimony

    “Matt Guho and I have worked together on many commercial projects, and throughout each one he delivered terrific service and professionalism with a clear sense of purpose and devotion to his craft.

    He treated my project as if it were his own, delivering craftsmanship and leadership that resulted in work completed on time and on budget. I am confident Matt and his firm leave a lasting impression on the community through their character and leadership.”

  • Northpoint Recovery - Testimony

    “Mark Guho Construction was hired to build a complex, ground-up behavioral health treatment facility. Throughout the project, the team was professional, detail-oriented, creative, and acted as a true partner in problem-solving.

    They took ownership of their responsibilities, met deadlines, and helped guide us through the intricacies of a highly complex build. Most importantly, they made the project a success while maintaining a positive and collaborative work environment.”

  • Grace Assisted Living Testimony

    “We selected Mark Guho Construction to construct our 80,000 square foot assisted living and memory care facility. Our project required extensive coordination and planning, and MGC met critical timelines at a competitive price.

    Their staff was easy to work with, responsive, accountable, and maintained a clean and orderly job site throughout the project. Our needs and project goals were not only met, but exceeded. After working with many contractors over the last 20 years, MGC truly stands above any other contractor we have used.”

  • Concord Healthcare Development, Inc. - Testimony

    “During our work together on a healthcare development project, Matt Guho displayed a high level of professionalism, business ethics, and a strong client-first mentality.

    Matt was proactive, forward-thinking, and embodied what it means to be truly accomplished. I would value the opportunity to work with him again in the future.”

  • Health Center Testimony

    “It is our extreme pleasure to provide a letter of recommendation for Mark Guho Construction. For the duration of our construction project, Mark Guho Construction demonstrated the highest level of professionalism, customer service, communication, and true concern for our needs and limitations.

    Mark Guho Construction guided us through every step of the construction process, addressed all of our questions and concerns, and worked through and solved some very difficult tasks.

    They handled unforeseen issues in the best possible way while still staying within our budget. Adams County Health Center is fully satisfied with the service we received and highly recommends Mark Guho Construction."

  • Enterprise Rent-A-Car Testimony

    “Mark Guho Construction recently completed a large renovation project for us in the Boise area. They communicated efficiently throughout the project so we always knew what was happening step by step. Matt was great to pick up the phone and confirm changes as they came up.

    They were able to meet necessary deadlines in time-sensitive areas and went the extra mile as additional items arose. Their professionalism and quality of work were great.”

  • Jonathan Miller, CCM, PMP - Testimony

    “Guho’s involvement began early in design, which was critical in aligning scope with an aggressive budget. They provided continuous cost estimating and constructability reviews and developed a five-phase construction plan that allowed the owner to remain operational throughout the renovation.

    Their communication streamlined the project and allowed for seamless transitions between phases. I highly recommend Mark Guho Construction and would gladly work with them again.”

  • Boise School District - Testimony

    “Mark Guho Construction has completed numerous projects for the Boise School District, including highly complex, schedule-sensitive work. Their projects have been completed on or ahead of schedule while maintaining original scope and budget requirements.

    MGC is highly professional, provides clear and timely reporting, works closely with architects and engineers, and responds fairly and reasonably when challenges arise. I have no reservations recommending them for future projects.”

  • Franz Witte Landscape Contracting - Testimony

    “Mark Guho Construction guided us through a complex, multi-faceted project and helped us navigate decisions well outside our expertise. Their transparency, communication, and professionalism stood out throughout the entire process.

    The team worked safely and efficiently while keeping our retail operations open to the public. I would absolutely choose Mark Guho Construction again for a future project.”

  • Shea Homes - Testimony

    “Mark Guho Construction has played an instrumental role in delivering our multi-phase Treasure Valley Social Club project. Matt Guho coordinated designers, architects, engineers, permits, and construction phases with professionalism and precision.

    Their leadership, experience, and ability to staff talented managers gave us confidence throughout the process. We are confident we made the right choice and would gladly recommend Mark Guho Construction to others.”

  • Steele Memorial Medical Center - Testimony

    “Steele Memorial Medical Center engaged Mark Guho Construction as the general contractor for the construction of a new medical office building and education center. From the outset, MGC demonstrated a high level of professionalism and provided timely, clear, and concise reporting on project progress, schedules, and any challenges that arose.

    They worked closely with architects and engineers to proactively identify and resolve potential issues before they became problems. MGC was flexible and responsive to our needs throughout the project and ensured everything was completed to our satisfaction.

    In summary, MGC did an outstanding job and I would have no reservations engaging them on future projects.”

  • Mark Gray - Testimony

    “Mark Guho Construction is our General Contractor for the Treasure Valley Social Club at Trilogy® Valor. This multi-phase project includes a Welcome Center, Fitness Center with outdoor pools and courts, a restaurant, and other resort-style amenities supporting more than 1,000 homes.

    Matt Guho has played an instrumental role in coordinating designers, architects, engineers, permits, and construction phases. His leadership, experience, and ability to assemble qualified trade partners gave us confidence throughout the process.

    We are confident we made the right choice in selecting Mark Guho Construction and would be happy to speak with anyone considering them for future projects.”

Serving Boise and Beyond

Mark Guho Construction is proud to be headquartered in Boise and serve communities across the Treasure Valley, including:

  • Boise, Meridian, and Eagle

  • Nampa, Caldwell, and Kuna

  • Surrounding counties across Southern Idaho

Whether you’re building a new facility, expanding your business, or updating an existing space, MGC is the General Contractor in Idaho that brings vision, resources, and craftsmanship together.