Registry data · 2026-07-14

Iowa's busiest trades, by registry activity (trailing 12 months)

Ranked by registrations issued or renewed in the last year: Residential Remodelers, All Other Specialty Trade Contractors, Electrical and Wiring Installation lead the State's registry. Full ranking, computed from the public record.

Registrations issued or renewed per month · trailing 9 months

Trades ranked by registry activity — trailing 12 months

Each figure is the count of ch. 91C registrations issued or renewed in that trade in the last year. Busier trades renew and enter more; that is activity, not a quality signal.

01Residential Remodelers3,244 filings

02All Other Specialty Trade Contractors1,731 filings

03Electrical and Wiring Installation1,648 filings

04Commercial & Institutional Bldg Construction1,109 filings

05Roofing Contractors843 filings

06Finish Carpentry Contractors754 filings

07New Single-Family Housing Construction728 filings

08Site Preparation Contractors588 filings

09Plumbing/Heating & A/C Contractors540 filings

10Painting & Wall Covering Contractors461 filings

11Poured Concrete Foundation Contractors322 filings

12Flooring Contractors289 filings

13Drywall & Insulation Contractors281 filings

14Other Foundation/Structure &Bldg Exterior270 filings

15Masonry Contractors259 filings

Reporting on Iowa construction? These numbers are free to cite with a link to this page or the directory. As of July 2026, this is the complete public picture of Iowa’s registered contractor population.