James Walz
Rapid City
Summary
Experienced construction professional with over 20 years of hands-on and supervisory experience in residential, commercial, and concrete contracting projects throughout the Rapid City, SD area. Extensive experience managing full construction projects from ground-up, including over 8 single-family homes and multiple commercial buildings. Known for clear communication, subcontractor coordination, and hands-on leadership in planning, execution, and safety oversight. Trusted by prominent regional builders and developers to deliver high-quality builds on time and within budget.
Overview
2026
2026
years of professional experience
Work History
Owner / Project Supervisor
JwalzConcrete
Rapid City
01.2004 - Current
- Successfully operated and managed a concrete contracting business serving the Rapid City area.
- Completed over 8 single-family home constructions from ground up, including framing, concrete, siding, and finishes (up to 4,200 sq. ft. homes).
- Delivered commercial construction projects including retail shops, storage unit complexes in Hot Springs and Rapid City, and interior/exterior structural work.
- Estimated and bid on commercial and residential projects ensuring adherence to budget constraints.
- Supervised 5–12 employees and coordinated subcontractors to meet project milestones.
- Ensured jobsite compliance with local building codes and safety regulations.
- Built long-term working relationships with regional general contractors.
- Oversaw subcontractor construction projects to maintain quality standards.
Sub - Contractor
General Contractor
Rapid City
- Supported general building projects for residential and commercial contractors, including Gustafson Builders and Kuipers Construction.
- Executed carpentry, framing, siding, and labor tasks in accordance with project blueprints.
- Contributed to remodeling projects, renovations, and site clean-up efforts across various locations.
- Assisted with construction and layout preparations for new single-family homes.
- Maintained effective communication with site supervisors to ensure alignment on work scopes.
- Collaborated with Gustafson Builders on residential and commercial remodeling projects.
- Supported Kuipers Construction in constructing new single-family homes from foundation to finish.
Education
GED -
Iowa Lakes Community College
Emmetsburg, IA01.1990
Skills
- Construction project management
- Residential and commercial builds
- Concrete and foundation expertise
- Budgeting and bidding strategies
- Subcontractor coordination
- Site supervision and leadership
- Client relations and customer service
- Vendor management
- Jobsite safety and OSHA compliance
References
- Gustafson Builders
- Rangel Construction
- Riddles Corp
- JV Bailey Company
References
References available upon request.
Timeline
Owner / Project Supervisor
JwalzConcrete
01.2004 - Current
Sub - Contractor
General Contractor
GED -
Iowa Lakes Community College
Similar Profiles
EVAN GRIENCEWICEVAN GRIENCEWIC
Automotive Detailer at Black Hills Auto GroomingAutomotive Detailer at Black Hills Auto Grooming
Kayden J. MathisKayden J. Mathis
Server, Host, and Security Guard at Press StartServer, Host, and Security Guard at Press Start
Alec RezacAlec Rezac
Assistant Driller at Boart LongyearAssistant Driller at Boart Longyear
Jolee D. MeagherJolee D. Meagher
Barista at Hotel Alex Johnson, StarbuckBarista at Hotel Alex Johnson, Starbuck
Alyssa Western AllenAlyssa Western Allen
Office Manager, Project Supervisor, Owner at US Grass and GreensOffice Manager, Project Supervisor, Owner at US Grass and Greens