Registered contractors in Washburn, Iowa

Contractors with an active Iowa license and a business address in Washburn (Black Hawk County). Each listing shows what the state has on file.

• Don Schmitz & Sons INC
  Other Heavy/Civil Engineering · #C127180
  Active Insurance not published by state
• Earthworx Civil Solutions LLC
  Concrete · #C140465
  Active Insurance not published by state
• Jq Construction LLC
  Plumbing, HVAC · #C150062
  Active Insurance not published by state
• Scotys Heating
  Plumbing, HVAC · #C130247
  Active Insurance not published by state
• Summerhays Holdings LLC
  Residential Remodelers · #C126670
  Active Insurance not published by state
• Wieskamp Heating and Cooling
  Plumbing, HVAC · #C142158
  Active Insurance not published by state

Last checked against state records on Oct 5, 2026. Source: Iowa Department of Inspections, Appeals, and Licensing, via the Iowa Data Hub (data.iowa.gov), licensed CC BY 4.0. How we get this data.