Registry data · 2026-11-02

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 Remodelers3,387 filings

02All Other Specialty Trade Contractors1,789 filings

03Electrical and Wiring Installation1,699 filings

04Plumbing/Heating & A/C Contractors1,508 filings

05Commercial & Institutional Bldg Construction1,169 filings

06Roofing Contractors881 filings

07Finish Carpentry Contractors788 filings

08New Single-Family Housing Construction725 filings

09Site Preparation Contractors624 filings

10Painting & Wall Covering Contractors463 filings

11Poured Concrete Foundation Contractors351 filings

12Flooring Contractors305 filings

13Other Foundation/Structure &Bldg Exterior287 filings

14Drywall & Insulation Contractors284 filings

15Masonry Contractors275 filings

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