| 56 West Construction | Harrison Ray Read | — | (503) 800 8467 | GC, remodel, ADU | Ione · Amador County | — | — |
| A Leon Building | A Leon Building | — | (209) 256 6177 | GC, remodel, ADU | Pioneer · Amador County | — | — |
| Al's Building Construction | Alfred Mark Nunes | — | (209) 296 7890 | GC, remodel, ADU | Sutter Creek · Amador County | — | — |
| Alan J Clinton Construction | Alan James Clinton | — | (209) 418 8536 | GC, remodel, ADU | Pine Grove · Amador County | — | — |
| All County Construction | Kurt Marcus Todden | — | (209) 256 6679 | GC, remodel, ADU | Ione · Amador County | — | — |
| Amador Builders | Amador Builders | artisan@volcano.net | (209) 223 0778 | GC, remodel, ADU | Pine Grove · Amador County | — | — |
| Amador Tuolumne Community Action Agency | Amador Tuolumne Community Action Agency | — | (209) 223 1485 | GC, remodel, ADU | Jackson · Amador County | — | — |
| Andrae Construction | Robert Lawrence Andrae | — | (209) 223 2906 | GC, remodel, ADU | Pine Grove · Amador County | — | — |
| Any & All Builders | Any & All Builders | — | (209) 223 2224 | GC, remodel, ADU | Sutter Creek · Amador County | — | — |
| Apex Home Builders INC | Wolfgang Roland Hocke | — | (209) 806 3027 | GC, remodel, ADU | Jackson · Amador County | — | — |
| Ar Technologies | Ar Technologies | — | (209) 418 5736 | GC, remodel, ADU | Pine Grove · Amador County | — | — |
| Argos Building And Design | Argos Building And Design | — | (209) 256 5127 | GC, remodel, ADU | Jackson · Amador County | — | — |
| Armstrong Construction | Alex Russell Armstrong | — | (209) 267 5474 | GC, remodel, ADU | Sutter Creek · Amador County | — | — |
| B C Jones Construction | Brian Charles Jones | — | (209) 327 9952 | GC, remodel, ADU | Jackson · Amador County | — | — |
| B R S Construction | Bryan Robert Stinson | — | (209) 257 9960 | GC, remodel, ADU | Ione · Amador County | — | — |
| B's Construction Company | Brian John Oertwig | — | (925) 580 9884 | GC, remodel, ADU | Ione · Amador County | — | — |
| Bailey Construction Company | Liam Patrick Bailey | — | (209) 256 6510 | GC, remodel, ADU | Pioneer · Amador County | — | — |
| Bart Hipp Construction DBA B H C | B H C | — | (916) 717 4504 | GC, remodel, ADU | Plymouth · Amador County | — | — |
| Bdkwtubs INC | Brent Michael Dawson | — | (408) 836 1242 | GC, remodel, ADU | Jackson · Amador County | — | — |
| Bethel Griffin & Co DBA The Griffin Company | Dennis Earl Griffin | — | (209) 267 1999 | GC, remodel, ADU | Sutter Creek · Amador County | — | — |
| Bill Heissenbuttel Construction | William Ernest Heissenbuttel | — | (209) 295 4580 | GC, remodel, ADU | Pioneer · Amador County | — | — |
| Birge Millwork | Birge Millwork | — | (209) 267 5425 | GC, remodel, ADU | Sutter Creek · Amador County | — | — |
| Blue Valley Remodeling INC | Ronald Leroy Williams | bluevalleyremodelinginc@gmail.com | (916) 508 7711 | GC, remodel, ADU | Plymouth · Amador County | — | — |
| Bob Douglas Contracting LLC | Robert Lynn Douglas | — | (209) 283 8712 | GC, remodel, ADU | Sutter Creek · Amador County | — | — |
| Brian Hoyt Construction | Brian Frederick Hoyt | — | (209) 217 7155 | GC, remodel, ADU | Pioneer · Amador County | — | — |
| Brown's Home Remodeling | Brown's Home Remodeling | — | (209) 257 1258 | GC, remodel, ADU | Jackson · Amador County | — | — |
| Bryan Enterprises | Scott Jennings Bryan | — | (408) 234 4229 | GC, remodel, ADU | Pioneer · Amador County | — | — |
| Budd Construction | Arthur Michael Budd | — | (209) 207 8182 | GC, remodel, ADU | Pioneer · Amador County | — | — |
| C B Kelley Construction | Clayton Blake Kelley | — | (209) 256 5960 | GC, remodel, ADU | Pioneer · Amador County | — | — |
| C J S Buildings | C J S Buildings | — | (209) 296 1777 | GC, remodel, ADU | Pine Grove · Amador County | — | — |
| Campoy General Contracting | Anthony Michael Campoy | — | (209) 304 7083 | GC, remodel, ADU | Plymouth · Amador County | — | — |
| Carl H Towne | Carl H Towne | — | (916) 508 7751 | GC, remodel, ADU | Fiddletown · Amador County | — | — |
| Caruso Pacific Construction | Steven Arthur Caruso | — | (209) 296 2277 | GC, remodel, ADU | Fiddletown · Amador County | — | — |
| Cedar Ridge Construction | Vincent Carlo Franco | — | (831) 889 8321 | GC, remodel, ADU | Pine Grove · Amador County | — | — |
| Chris Reis Construction | Chris Ernest Reis | — | (209) 295 1259 | GC, remodel, ADU | Pioneer · Amador County | — | — |
| Christian Builders Incorporated | Melanie Gene Kidman | — | (209) 304 8490 | GC, remodel, ADU | Pine Grove · Amador County | — | — |
| Christman Construction INC | Jeffrey Kurtis Christman | — | (209) 418 5550 | GC, remodel, ADU | Ione · Amador County | — | — |
| Commercial Dynamics | Commercial Dynamics | — | (916) 761 3182 | GC, remodel, ADU | Jackson · Amador County | — | — |
| Creach Construction Co INC | Monty Randell Creach | — | (209) 256 1709 | GC, remodel, ADU | Jackson · Amador County | — | — |
| Cwf Construction | Charles Wayne Foyil | — | (209) 274 6188 | GC, remodel, ADU | Ione · Amador County | — | — |