Henning Companies
general-contractor
Serving Johnston, IA
From Google Business Profile
2.6
5 Google reviews
Hours
| Monday | 8 AM–5 PM |
| Tuesday | 8 AM–5 PM |
| Wednesday | 8 AM–5 PM |
| Thursday | 8 AM–5 PM |
| Friday | 8 AM–5 PM |
| Saturday | Closed |
| Sunday | Closed |
Google categories: Construction company, General contractor
View on Google Maps →Last checked October 3, 2026.
Iowa Contractor Registration
- Reg. #
- C124777
- Expires
- June 4, 2027
Source: Iowa Division of Labor contractor registration data, licensed under CC BY 4.0. Look up this registration
About general contractors in Johnston
General contractors manage construction projects, coordinating subcontractors, permits, schedules and budgets. A general contractor runs a project from plans to final inspection: pricing the job, pulling permits, scheduling framers, electricians, plumbers and finishers, ordering materials, managing the budget and making sure the work passes inspection.
Typical cost: $20,000–$150,000 for typical residential projects. See the full cost guide
Typical U.S. ranges from industry sources (2024–25); not EdgeLocal data. Your quote will vary with scope, materials and location.
Questions to ask this contractor
- Check registration, license and insurance: Ask for proof of registration, liability coverage and workers comp.
- Visit past projects: Ask for addresses or photos of similar completed jobs and references.
- Compare detailed bids: Bids should break out labor, materials, allowances and the GC fee.