| Birdseye Electric INC | Aaron Michael Bird | — | (530) 355 6103 | Electricians | Redding · Shasta County | — | — |
| Black Feather General Engineering | Black Feather General Engineering | — | (530) 739 2454 | Other | Anderson · Shasta County | — | — |
| Blake Dewit Construction | Blake James Dewit | — | (541) 520 5035 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Blake Electric LLC | Travis Michael Blake | dan@blake-electric.com | (530) 921 3856 | Electricians | Redding · Shasta County | — | — |
| Blue Collar Electric | Stephen James Baczkowski | — | (530) 768 7521 | Electricians | Cottonwood · Shasta County | — | — |
| Blue Diamond Pools INC | Robert Thomas Chandler | info@bluediamondpools.com | (530) 242 6217 | Pool | Redding · Shasta County | — | — |
| Bluelan Pro INC | Jared Christopher Noalan | — | (530) 789 3680 | Other | Redding · Shasta County | — | — |
| Bo Adkins Construction Co | Jerry Eric Adkins | info@ndiscovered.com | (530) 510 8723 | GC, remodel, ADU | Cottonwood · Shasta County | — | — |
| Bob Moon Heating And Air Incorporated | Robert Donald Moon | — | (530) 949 7935 | HVAC | Redding · Shasta County | — | — |
| Bobo Construction | Scott Miles Bobo | — | (530) 949 9777 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Boontjer Built INC | Colton Michael Boontjer | — | (530) 949 9814 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Born To Build Construction | Mark Todd Bowling | — | (530) 917 3174 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Boster Roofing INC | Martin Walter Boster | bosterroofing@gmail.com | (530) 247 7102 | Other roofers | Anderson · Shasta County | — | — |
| Bowman Built | Bowman Built | — | (970) 372 9221 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Bowman Roofing Company LLC | Jason Andrew Bowman | — | (530) 917 4410 | Other roofers | Anderson · Shasta County | — | — |
| Box T Fence Company | Amanda Colleen Frutuozo | — | (530) 945 1618 | Other | Redding · Shasta County | — | — |
| Brad Constant Construction INC | Bradley J Constant | — | (530) 339 6215 | Other | Cottonwood · Shasta County | — | — |
| Branstetter Landscape | Branstetter Landscape | — | (530) 604 9458 | Windows, patio, painters | Anderson · Shasta County | — | — |
| Brent Weaver | Brent Weaver | — | (530) 355 4694 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Brett's Seamless Gutters | Brett's Seamless Gutters | brett@brettsseamlessgutters.com | (530) 715 1643 | Other | Shingletown · Shasta County | — | — |
| Brian Schmitt Contracting | Brian Paul Schmitt | — | (530) 949 4430 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Brian W Hicks | Brian W Hicks | — | (530) 945 4443 | Electricians | Shasta Lake · Shasta County | — | — |
| Brian's Tree Service | Brian William Spanheimer | — | (530) 241 5495 | Other | Redding · Shasta County | — | — |
| Bright Idea Electric | Glen Eric Martorana | — | (530) 209 5162 | Electricians | Redding · Shasta County | — | — |
| Brock Construction | John Stephen Brock | — | (530) 917 4104 | GC, remodel, ADU | Palo Cedro · Shasta County | — | — |
| Brock's Mobile Home Transport INC | Jimmie Albert Brock | — | (530) 246 9443 | Other | Redding · Shasta County | — | — |
| Brody Gill Engineering | Brody Gill Engineering | — | (530) 262 7339 | Other | Cottonwood · Shasta County | — | — |
| Brooks Construction | Chris Howard Brooks | — | (530) 356 1022 | GC, remodel, ADU | Shasta Lake · Shasta County | — | — |
| Brothers Countertops | Michael Carl Unger | — | (530) 243 8041 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Brown Plumbing | Brown Plumbing | — | (530) 244 7473 | HVAC | Redding · Shasta County | — | — |
| Bruce Dunham | Bruce Dunham | — | (530) 782 6902 | GC, remodel, ADU | Cottonwood · Shasta County | — | — |
| Bryan M Small | Bryan M Small | — | (530) 945 8811 | GC, remodel, ADU | Fall River Mills · Shasta County | — | — |
| Buck's Flooring | Buck's Flooring | info@bucksflooring.com | (530) 604 1180 | Other | Redding · Shasta County | — | — |
| Bucketline Industry | Bucketline Industry | — | (530) 364 6500 | Other | Palo Cedro · Shasta County | — | — |
| Buckhorn Electric | Joshua Allyn Mcfall | — | (530) 355 5923 | Electricians | Redding · Shasta County | — | — |
| Buckmaster Plumbing LLC | Jason Lee Buckmaster | — | (530) 319 1478 | Other | Palo Cedro · Shasta County | — | — |
| Budget Concrete | Budget Concrete | — | (530) 209 5018 | Other | Bella Vista · Shasta County | — | — |
| Build More | Build More | — | (530) 215 0874 | GC, remodel, ADU | Cottonwood · Shasta County | — | — |
| Builder Solutions INC | Ronald Henry Stickney | — | (530) 691 4354 | Electricians | Redding · Shasta County | — | — |
| Builders Door & Window INC | Daniel Lyle Batman | — | (530) 221 3367 | GC, remodel, ADU | Redding · Shasta County | — | — |