| Builtware Fabrication INC | Jared Allen Ware | aubree@builtwarefabrication.com | (916) 202 5132 | GC, remodel, ADU | Olivehurst · Yuba County | — | — |
| Bulltrack Construction Company INC | Russell Dean Fraley | — | (916) 769 6903 | Electricians | Marysville · Yuba County | — | — |
| Bustard Communications | Bustard Communications | — | (530) 741 2632 | Electricians | Marysville · Yuba County | — | — |
| Buttacavoli Window & Door INC | Kenneth Bruce Buttacavoli | — | (530) 741 2619 | GC, remodel, ADU | Marysville · Yuba County | — | — |
| C Bresnyan Construction | Christopher Lee Bresnyan | — | (916) 672 7044 | GC, remodel, ADU | Browns Valley · Yuba County | — | — |
| C Bresnyan Construction INC | Christopher Lee Bresnyan | — | (916) 672 7044 | GC, remodel, ADU | Browns Valley · Yuba County | — | — |
| C M 4 Construction Co | Christopher Ricardo Miranda Torres | — | (530) 309 8924 | GC, remodel, ADU | Marysville · Yuba County | — | — |
| C P A Construction | Cormac Kieran Kelly | foshan-help@cpaconstruction.com | (530) 870 7809 | GC, remodel, ADU | Marysville · Yuba County | — | — |
| C Wright & Wright Enterprises INC DBA Western Valley Construction | Chad Anthony Wright | — | (530) 923 2335 | Other roofers | Olivehurst · Yuba County | — | — |
| C&l Gallardo's Extreme Tree Service INC | Lilia Lizette Valdez | — | (530) 789 7421 | Tree | Olivehurst · Yuba County | — | — |
| C4 Communications INC | Brent Edward Marrell | — | (916) 380 2682 | GC, remodel, ADU | Wheatland · Yuba County | — | — |
| Cal King Pest Control | Cal King Pest Control | — | (530) 673-6322 | Pest, tile roofs | Yuba City · Yuba County | — | — |
| Cal-west Plastering INC | Gabriel Garcia-Martinez | — | (916) 975 4175 | Other | Wheatland · Yuba County | — | — |
| California Custom Concrete | Manuel Gonzalez | — | (530) 777 6826 | Other | Olivehurst · Yuba County | — | — |
| Callahan Contracting | Lowell Thomas Callahan | — | (530) 237 4566 | HVAC | Olivehurst · Yuba County | — | — |
| Capital Engineering INC | Jesse Lee Stuart Rigby | — | (530) 210 5630 | Other | Browns Valley · Yuba County | — | — |
| Car Built Construction | Carlos Antonio Rodriguez | — | (916) 612 5053 | GC, remodel, ADU | Olivehurst · Yuba County | — | — |
| Carlos Aldair Vega-torres | Carlos Aldair Vega-torres | — | (916) 917 2875 | Other | Wheatland · Yuba County | — | — |
| Carns Electric | Ryan O'neil Carns | — | (530) 320 1352 | Electricians | Brownsville · Yuba County | — | — |
| Casey's Restoration | Casey's Restoration | — | (916) 544 0368 | GC, remodel, ADU | Marysville · Yuba County | — | — |
| Casolis Construction Company INC | Jose Alfredo Casolis | — | (916) 396 3058 | GC, remodel, ADU | Olivehurst · Yuba County | — | — |
| Castlewood Construction | Peter Andrew Hansen | — | (530) 263 7860 | GC, remodel, ADU | Marysville · Yuba County | — | — |
| Catalpa Tree Specialist LLC | Mario Antonio Garcia Gonzalez | — | (707) 729-1720 | Other | Plumas Lake · Yuba County | — | — |
| Cd Construction Services | David Gene Garton | — | (530) 441 7550 | GC, remodel, ADU | Marysville · Yuba County | — | — |
| Ceba Siding & Decking INC | Jesus Manuel Ceballos Lierenas | — | (916) 833 3677 | Windows, patio, painters | Marysville · Yuba County | — | — |
| Century Roofing | Bernardino Jr Blanco | — | (916) 745 2399 | Other roofers | Plumas Lake · Yuba County | — | — |
| Certified Home Inspection Service | Certified Home Inspection Service | — | (530) 755-1848 | Inspectors | Yuba City · Yuba County | — | — |
| Chanders Construction | Chander Mohan Sidher | — | (520) 509 9158 | GC, remodel, ADU | Wheatland · Yuba County | — | — |
| Chris Hansen Construction | Christopher Andrew Hansen | — | (530) 205 6586 | GC, remodel, ADU | Loma Rica · Yuba County | — | — |
| City Shield Doors | City Shield Doors | — | (650) 400 7727 | Other | Marysville · Yuba County | — | — |
| Clark Pest Control | Clark Pest Control | — | (530) 235-6101 | Pest, tile roofs | Yuba City · Yuba County | — | — |
| Clement Landscape Service LLC | Robert Gill Clement | — | (916) 267 3328 | Windows, patio, painters | Plumas Lake · Yuba County | — | — |
| Cm Framing | Cm Framing | — | (530) 923 5924 | Other | Olivehurst · Yuba County | — | — |
| Cold Springs Construction | Kristofer Paul Miller | coldspringsconst@gmail.com | (530) 263 9379 | GC, remodel, ADU | Smartsville · Yuba County | — | — |
| Colical Siding | Colical Siding | colicalsiding@gmail.com | (530) 933 3547 | Windows, patio, painters | Olivehurst · Yuba County | — | — |
| Comfort Mechanical Group INC | Patrick Gregory Rose | — | (916) 430 7011 | HVAC | Plumas Lake · Yuba County | — | — |
| Conder Construction | Brian Christopher Conder | — | (530) 913 2414 | GC, remodel, ADU | Smartville · Yuba County | — | — |
| Connected Integration | Connected Integration | info@connectedintegration.com | (916) 458 8444 | Other | Marysville · Yuba County | — | — |
| Consolidated Electrical Distributors | Consolidated Electrical Distributors | — | (530) 673-9714 | Electricians | Yuba City · Yuba County | — | — |
| Cool Breeze Air LLC | Ivan Cioclea | — | (916) 477 6162 | HVAC | Plumas Lake · Yuba County | — | — |