Iowa's Best Contractors
TradesCountiesBlogRegistry ReportPost a projectSign inClaim your profile

Registry data · 2026-11-02

Every Iowa county, counted: where the state's 18,297 contractors are

All 99 counties with published listings, from Polk County down, the complete geographic picture of Iowa's contractor registry.

Registrations issued or renewed per month · trailing 9 months

Every county with published listings, ranked by active registrations

01Polk County2,472 active
02Linn County1,095 active
03Johnson County554 active
04Scott County510 active
05Dallas County425 active
06Dubuque County415 active
07Black Hawk County406 active
08Warren County390 active
09Woodbury County377 active
10Story County370 active
11Pottawattamie County344 active
12Iowa County283 active
13Muscatine County170 active
14Sioux County164 active
15Webster County164 active
16Buchanan County154 active
17Clinton County148 active
18Jasper County147 active
19Marshall County147 active
20Cerro Gordo County146 active
21Washington County139 active
22Dickinson County134 active
23Boone County128 active
24Benton County126 active
25Madison County125 active
26Delaware County122 active
27Des Moines County119 active
28Marion County119 active
29Jackson County111 active
30Lee County108 active
31Plymouth County107 active
32Carroll County106 active
33Wapello County105 active
34Jones County104 active
35Clayton County100 active
36Clay County98 active
37Hardin County97 active
38Cedar County94 active
39Fayette County94 active
40Bremer County89 active
41Mahaska County89 active
42Guthrie County86 active
43Poweshiek County86 active
44Winneshiek County85 active
45Crawford County81 active
46Kossuth County81 active
47Tama County76 active
48Allamakee County71 active
49Buena Vista County69 active
50Hamilton County69 active
51Harrison County69 active
52Mills County69 active
53Cass County68 active
54Henry County64 active
55Wayne County64 active
56Page County60 active
57Montgomery County58 active
58Butler County56 active
59Jefferson County54 active
60Lyon County54 active
61Obrien County54 active
62Emmet County53 active
63Shelby County53 active
64Davis County51 active
65Cherokee County50 active
66Humboldt County50 active
67Lucas County50 active
68Appanoose County48 active
69Greene County47 active
70Howard County47 active
71Union County47 active
72Adair County42 active
73Palo Alto County42 active
74Chickasaw County41 active
75Wright County41 active
76Mitchell County40 active
77Sac County40 active
78Winnebago County40 active
79Calhoun County38 active
80Grundy County37 active
81Monona County37 active
82Decatur County36 active
83Louisa County36 active
84Floyd County35 active
85Keokuk County34 active
86Worth County32 active
87Franklin County31 active
88Hancock County31 active
89Clarke County29 active
90Fremont County29 active
91Monroe County25 active
92Van Buren County25 active
93Ringgold County22 active
94Osceola County21 active
95Audubon County20 active
96Ida County20 active
97Taylor County20 active
98Pocahontas County17 active
99Adams County13 active

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.