| Redding Roofing & Solar | William Fredrick Crane | — | (530) 895 9071 | Other roofers | Chico · Butte County | — | — |
| Redline Construction | Chance Lea Braun | — | (530) 591 9092 | GC, remodel, ADU | Chico · Butte County | — | — |
| Reed Electric | Benjamin David Reed | — | (530) 990 6892 | Electricians | Paradise · Butte County | — | — |
| Reed Francis Electric | Reed G Francis | — | (530) 892 0664 | Electricians | Chico · Butte County | — | — |
| Reimers Plumbing Service | Arthur Dale Reimer | — | (530) 867 6726 | Other | Oroville · Butte County | — | — |
| Reinert Pools | Reinert Pools | — | (530) 927 9178 | Pool | Oroville · Butte County | — | — |
| Reliable Home Pipe Repairs & Solutions | Garrett Michael Montague | — | (530) 990 4254 | Other | Magalia · Butte County | — | — |
| Rep Tile | Rep Tile | — | (510) 828 6264 | Other | Chico · Butte County | — | — |
| Repairpro | Ryan Eugene Vaught | — | (530) 404 5404 | GC, remodel, ADU | Chico · Butte County | — | — |
| Repairpro | Eric Dietrich Enns | — | (530) 924 4070 | GC, remodel, ADU | Chico · Butte County | — | — |
| Revamp Solar And Roofing LLC | Houston David Hughes | — | (530) 282 2753 | Other roofers | Magalia · Butte County | — | — |
| Reynolds Heating And A/c | Reynolds Heating And A/c | — | (530) 552 0038 | HVAC | Oroville · Butte County | — | — |
| Reynoso Brother's Construction INC | Oscar Jose Reynoso | — | (530) 693 4924 | GC, remodel, ADU | Oroville · Butte County | — | — |
| Ricardo R Carrillo | Ricardo R Carrillo | — | (530) 518 2330 | GC, remodel, ADU | Durham · Butte County | — | — |
| Rich Evans Concrete Construction | Richard John Evans | — | (503) 521 8729 | Other | Forest Ranch · Butte County | — | — |
| Richard Barrett Custom Painting | Richard Barrett Custom Painting | — | (530) 812 6677 | Windows, patio, painters | Oroville · Butte County | — | — |
| Richard Gilpin Construction | Richard Jeffery Gilpin | — | (530) 864 0910 | GC, remodel, ADU | Oroville · Butte County | — | — |
| Richard Gore And Sons Construction Co | Richard Arlen Gore | — | (707) 815 6847 | GC, remodel, ADU | Paradise · Butte County | — | — |
| Richard L Kelley Plumbing | Richard L Kelley Plumbing | — | (408) 858 0434 | Other | Oroville · Butte County | — | — |
| Richard Van Stavern Mobile Home Service | Richard Leo Jr Van Stavern | — | (530) 520 0213 | GC, remodel, ADU | Paradise · Butte County | — | — |
| Richers Earthen Iron | Richers Earthen Iron | — | (530) 519 5299 | Other | Chico · Butte County | — | — |
| Richter Construction Incorporated | Jake Elliott Richter | — | (530) 533 3918 | GC, remodel, ADU | Oroville · Butte County | — | — |
| Rick Davis Design | Rick Davis Design | — | (415) 457 7667 | Windows, patio, painters | Oroville · Butte County | — | — |
| Rick Denney Construction | Charles Richard Denney | — | (530) 518 5386 | GC, remodel, ADU | Chico · Butte County | — | — |
| Rick Payne Construction | Richard Jay Payne | — | (530) 985 1891 | GC, remodel, ADU | Chico · Butte County | — | — |
| Rick Wright Construction | Ricky Ray Wright | — | (530) 514 9945 | GC, remodel, ADU | Durham · Butte County | — | — |
| Ridge Builders LLC | Steven David Smith | — | (530) 413 9110 | GC, remodel, ADU | Paradise · Butte County | — | — |
| Ridge Side Roofing Company | Benjamin Harrison Edwards | rsrcompany1@gmail.com | (530) 282 8901 | Other roofers | Oroville · Butte County | — | — |
| Ridgeway Builder | Ridgeway Builder | — | (530) 518 1550 | GC, remodel, ADU | Paradise · Butte County | — | — |
| Riley's Pump Supplies | Riley's Pump Supplies | — | (530) 712 7041 | Other | Oroville · Butte County | — | — |
| Ritchie Builders INC | Edward Rocco Ritchie | — | (530) 894 5423 | GC, remodel, ADU | Chico · Butte County | — | — |
| River Partners | Claude Stephen Sheppard | — | (530) 894 5401 | Windows, patio, painters | Chico · Butte County | — | — |
| Rivera Concrete Co | Martin Garcia Rivera | — | (530) 872 2916 | Other | Paradise · Butte County | — | — |
| Rivera Construction Co INC | Jaime David Rivera | — | (530) 680 2643 | GC, remodel, ADU | Chico · Butte County | — | — |
| Rivera Contracting | Rivera Frank | — | (530) 693 0665 | GC, remodel, ADU | Oroville · Butte County | — | — |
| Rivera Painting | Rivera Painting | — | (530) 828 1254 | Windows, patio, painters | Chico · Butte County | — | — |
| Rix Construction | Eric Shawn Rix | — | (530) 965 1203 | GC, remodel, ADU | Magalia · Butte County | — | — |
| Rob Wright Construction | Robby Alan Wright | — | (530) 828 9313 | GC, remodel, ADU | Paradise · Butte County | — | — |
| Robco Sealing & Striping | Robco Sealing & Striping | robcosealingstriping@gmail.com | (916) 719 4458 | Other | Oroville · Butte County | — | — |
| Robert Chiatovich And Sons Construction Incorporated | Robert Jeremy Chiatovich | — | (530) 353 8571 | GC, remodel, ADU | Oroville · Butte County | — | — |