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.”
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.

