Business Details
36 Years
experience
Trusted Construction Services in Madison, WI
JG Development has been building trust and relationships through construction excellence since 1990. Our employee-owned company combines decades of hands-on experience with specialized divisions covering residential, commercial, and institutional projects. We deliver quality craftsmanship through collaborative teams that share knowledge across Brio Design Homes, Vive Home Transformations, National Construction, NCI-Roberts Construction, and Supreme Structures.Our unique approach integrates real estate guidance and investor support to create comprehensive solutions for every project. With over 70 dedicated professionals, we maintain a culture of accountability and innovation that has earned regional and national recognition. Our ESOP ownership model ensures every team member remains invested in delivering exceptional results for clients across the greater Madison area.
Services
Custom Home Building
Residential Remodeling
Commercial Construction
Church Construction
Restaurant Renovations
Details
- Year established: 1990
Highlights and features
- We offer 35+ years of combined leadership experience in residential and commercial construction
- Our employee ownership model ensures dedicated, invested team members
- Five specialized divisions handle projects from luxury homes to nonprofit facilities
- Integrated real estate guidance and investor support streamline development processes
- Award-winning teams maintain rigorous quality standards across all projects
Services
Custom Home Building
Brio Design Homes creates timeless custom residences tailored to client preferences. Our design-build approach ensures seamless execution from concept to completion. Specialized teams deliver energy-efficient construction using premium materials and modern techniques.
Residential Remodeling
Vive Home Transformations handles complete home makeovers, room additions, and single-space renovations. We modernize existing structures while preserving architectural integrity. Our process includes space planning, material selection, and phased construction to minimize disruption.
Commercial Construction
National Construction develops commercial spaces for businesses and community facilities. We employ collaborative project management for retail centers, multi-tenant buildings, and light industrial spaces. Our expertise includes code compliance and accessibility standards.
Church Construction
NCI-Roberts Construction specializes in places of worship and nonprofit facilities. We navigate committee approvals and phased fundraising campaigns while maintaining sacred space requirements. Services include sanctuary construction and accessibility upgrades.
Restaurant Renovations
Supreme Structures focuses on restaurant, brewery, and retail space construction. Our team handles layout optimization, code-compliant kitchen installations, and branded interior design. We minimize downtime during commercial renovations.
People
Jeff Grundahl
Founder & CEO
Founded JG Development in 1990 after starting as a welder/carpenter. Transformed company through strategic acquisitions while maintaining hands-on construction expertise and employee ownership principles.
Mary Grundahl
COO
Joined in 2005 to expand commercial operations. Oversees strategic growth initiatives and maintains quality standards across all five construction divisions since becoming COO.
Mike Trapino
Operations Manager
Leads commercial operations including Supreme Structures integration. Manages project execution across hospitality, retail, and multi-tenant building projects with 15+ years construction management experience.
Brescia Berg
Marketing Director
Directs marketing and communications strategy. Develops brand positioning across digital platforms while maintaining industry relationships through The ESOP Association and construction networking groups.
AJ Benik
Operations Manager
Manages residential operations including Brio Design Homes and Vive Home Transformations. Coordinates design-build teams to ensure timely delivery of custom home and remodeling projects.
Questions
What types of construction projects does JG Development handle?
We specialize in custom homes, commercial buildings, restaurant renovations, church construction, and community facilities through our five specialized divisions.
What makes JG Development different from other contractors?
Our employee ownership model fosters accountability, while our collaborative divisions share expertise across residential, commercial, and nonprofit projects.
Do you serve areas outside Madison?
While based in Madison, WI, our capabilities extend to regional commercial and community projects requiring specialized construction expertise.
How does employee ownership benefit clients?
Employee owners maintain higher accountability standards, ensuring quality craftsmanship and dedicated service on every project.
What construction phases do you manage?
We handle complete project lifecycles including design consultation, permitting, construction, and post-completion support.
Are your teams certified in specialized construction methods?
Our award-winning teams maintain expertise in luxury home building, commercial renovations, and institutional construction techniques.
