| Custom Development INC | Mariya Mukha | — | (916) 628 4440 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Custom Door Specialists | Custom Door Specialists | — | (916) 496 7044 | Other | Roseville · Placer County | — | — |
| Custom Electrical Design INC | Anthony Steven Lorenzo | — | (650) 400 8384 | Electricians | Auburn · Placer County | — | — |
| Custom Finishes By Marcel Colin | Custom Finishes By Marcel Colin | — | (916) 847 4215 | Windows, patio, painters | Roseville · Placer County | — | — |
| Custom Flooring | Custom Flooring | — | (415) 254 4770 | Other | Roseville · Placer County | — | — |
| Custom Grading INC | Troy Todd Scott | — | (916) 434 0192 | Other | Lincoln · Placer County | — | — |
| Custom Hardwood | Custom Hardwood | — | (916) 871 5809 | Other | Newcastle · Placer County | — | — |
| Custom Home Electronics | Custom Home Electronics | — | (925) 864 5809 | Other | Roseville · Placer County | — | — |
| Custom Quality Construction | Daniel Allen Wickman | — | (530) 308 4353 | GC, remodel, ADU | Tahoe Vista · Placer County | — | — |
| Custom Shutters And Blinds For Less | Carla Lynn Novaresi | — | (916) 899 4289 | Other | Roseville · Placer County | — | — |
| Custom Tile Solution | Custom Tile Solution | — | (916) 519 0241 | Other | Roseville · Placer County | — | — |
| Cutting Edge Carpets | Cutting Edge Carpets | — | (916) 548 3887 | Other | Foresthill · Placer County | — | — |
| Cutting-edge Construction & Remodeling INC | Jack Evans Ross | — | (916) 417 3772 | GC, remodel, ADU | Newcastle · Placer County | — | — |
| Cwz Construction INC | Walter Alberto Zuloaga | walter@cwzconstruction.com | (916) 945 1023 | GC, remodel, ADU | Lincoln · Placer County | — | — |
| Cypress Construction Management LLC | Mansour Moattar Aliabadi | — | (916) 783 1860 | GC, remodel, ADU | Roseville · Placer County | — | — |
| D & A Leyva's Construction INC | Rosario Antonio Leyva Contreras | — | (916) 952 7071 | GC, remodel, ADU | Roseville · Placer County | — | — |
| D & G Fence | Glenn Alan Hecox | — | (916) 791 2557 | Other | Rocklin · Placer County | — | — |
| D & H Refrigeration INC | Tien Nhat Tran | — | (415) 568 7576 | HVAC | Roseville · Placer County | — | — |
| D & P Painting And Papering | Samuel Edward Penland | — | (916) 745 3048 | Windows, patio, painters | Roseville · Placer County | — | — |
| D B Construction | Gregg Andrew Di Biaso | dave@dbconstruction.com | (530) 277 1362 | GC, remodel, ADU | Olympic Valley · Placer County | — | — |
| D C Drywall | D C Drywall | — | (916) 671 2251 | Other | Rocklin · Placer County | — | — |
| D C Painting | D C Painting | — | (530) 537 4263 | Windows, patio, painters | Auburn · Placer County | — | — |
| D C Pool Service | David John Carmody | — | (916) 628 1632 | Pool | Roseville · Placer County | — | — |
| D C Williams Roofing | Dennis Craig Williams | — | (916) 532 1309 | Other roofers | Rocklin · Placer County | — | — |
| D E Construction | Dominic Joseph Ercolini | — | (916) 768 1269 | Electricians | Rocklin · Placer County | — | — |
| D G Cabinetry | D G Cabinetry | — | (530) 863 8503 | Other | Auburn · Placer County | — | — |
| D G Electrical Services | Dario Nicholas Gargano | — | (916) 718 2549 | Electricians | Roseville · Placer County | — | — |
| D H Construction | Dale Warren Huesing | — | (530) 613 1676 | GC, remodel, ADU | Auburn · Placer County | — | — |
| D H S Construction INC | Jeffrey Francis Spadora | — | (916) 912 3900 | GC, remodel, ADU | Roseville · Placer County | — | — |
| D J Daniel Concrete Construction | Donald Joseph Daniel | — | (916) 276 1746 | Other | Foresthill · Placer County | — | — |
| D J Global | D J Global | — | (714) 713 8798 | Other | Kings Beach · Placer County | — | — |
| D J R Construction | Donald James Ratican | — | (916) 871 0594 | GC, remodel, ADU | Roseville · Placer County | — | — |
| D J S Construction & Property Maintenance | Douglas James Stewart | — | (916) 799 1137 | GC, remodel, ADU | Roseville · Placer County | — | — |
| D K M Heating & Air Conditioning | Corey Collin Payne | — | (916) 652 4478 | HVAC | Loomis · Placer County | — | — |
| D L D Service | Dana Charles Andrews | — | (916) 768 7017 | Other | Granite Bay · Placer County | — | — |
| D L Junkins Landscaping | D L Junkins Landscaping | — | (530) 305 8191 | Windows, patio, painters | Applegate · Placer County | — | — |
| D M D Marble & Granite INC | Dylean Marcellus Dumitru | — | (916) 663 0200 | Other | Newcastle · Placer County | — | — |
| D M G Lawn Maintenance | D M G Lawn Maintenance | — | (916) 201 2808 | Windows, patio, painters | Loomis · Placer County | — | — |
| D R Electric | Bryan Richard Cerri | — | (530) 613 5926 | Electricians | Lincoln · Placer County | — | — |
| D R Hunkins | D R Hunkins | — | (916) 413 9636 | GC, remodel, ADU | Roseville · Placer County | — | — |