| Blaine Mc Cutchan Builders | Blaine Mc Cutchan Builders | — | (941) 275 0983 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| Blair Rowland Painting | Blair Rowland Painting | — | (916) 832 9626 | Windows, patio, painters | Somerset · El Dorado County | — | — |
| Blakley Plumbing | Blakley Plumbing | — | (530) 718 0482 | Other | El Dorado Hills · El Dorado County | — | — |
| Blanchard Construction And Electric | Joseph Brian Blanchard | — | (530) 577 5160 | Electricians | South Lake Tahoe · El Dorado County | — | — |
| Bletsch Electric | William Howard Bletsch | — | (530) 444 0011 | Electricians | Garden Valley · El Dorado County | — | — |
| Blevins Roofing INC | Greggory Allen Blevins | eben@eyebytes.com | (530) 334 0635 | Other roofers | Georgetown · El Dorado County | — | — |
| Bliss Builders INC | Michael Elliott Bliss | — | (530) 676 9955 | GC, remodel, ADU | Cameron Park · El Dorado County | — | — |
| Blubaugh Painting | Blubaugh Painting | — | (530) 558 5549 | Windows, patio, painters | Shingle Springs · El Dorado County | — | — |
| Blue Boys Painting | Edward Vaughn Moonan | — | (831) 241 1603 | Windows, patio, painters | South Lake Tahoe · El Dorado County | — | — |
| Blue Curl Pool Service | Ryan Beau Ruminson | — | (530) 625-7988 | Pool | Garden Valley · El Dorado County | — | — |
| Blue Lake Landscaping And Snow Removal | Cody Christopher Prater | — | (530) 519 2639 | Windows, patio, painters | South Lake Tahoe · El Dorado County | — | — |
| Blue Lake Tree Service | Luis Enrique Perez | — | (530) 721 1779 | Tree | South Lake Tahoe · El Dorado County | — | — |
| Blue Moon Enterprises | Thomas Maurice Brandt | — | (916) 761 4385 | Windows, patio, painters | Shingle Springs · El Dorado County | — | — |
| Blue Rock Landscape | Blue Rock Landscape | bluerocklandscape@outlook.com | (916) 343 0234 | Windows, patio, painters | Rescue · El Dorado County | — | — |
| Blue Water Landscape | Blue Water Landscape | — | (916) 549 8895 | Windows, patio, painters | El Dorado Hills · El Dorado County | — | — |
| Blue Water Plumbing Services | Mathew Travis Ryan | — | (530) 318 7369 | Other | South Lake Tahoe · El Dorado County | — | — |
| Bluebird Plumbing And Hydronics INC | Andrew Louis Portillo | — | (530) 577 4519 | HVAC | South Lake Tahoe · El Dorado County | — | — |
| Blueridge Construction And Design INC | Stephen Siyoon Lim | — | (916) 805 4128 | GC, remodel, ADU | El Dorado · El Dorado County | — | — |
| Bme Electrical & Controls INC | Brian Paul Malmborg | — | (209) 203 4778 | Electricians | Garden Valley · El Dorado County | — | — |
| Bms Construction | Bart Masao Sunahara | — | (559) 917 5380 | GC, remodel, ADU | Cameron Park · El Dorado County | — | — |
| Board And Beam Construction | Jeremy Charles Travis | — | (530) 919 0497 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| Boat Docks INC | Thane Edwin Mccall | — | (530) 541 1111 | Other | South Lake Tahoe · El Dorado County | — | — |
| Bob Ferrero Installations | Bob Ferrero Installations | — | (530) 391 3718 | Electricians | Placerville · El Dorado County | — | — |
| Bob Leak Plumbing | Bob Leak Plumbing | — | (916) 416 5593 | GC, remodel, ADU | Somerset · El Dorado County | — | — |
| Bob Plank & Sons Builders INC | Robert Lee Plank | — | (530) 919 0732 | GC, remodel, ADU | Pollock Pines · El Dorado County | — | — |
| Bob's Heating | Bob's Heating | — | (530) 577 5562 | HVAC | South Lake Tahoe · El Dorado County | — | — |
| Bodie Electric INC | Jacob Robert Kreitzer | — | (510) 600 1887 | Electricians | El Dorado Hills · El Dorado County | — | — |
| Boehm Custom Construction | Matthew John Boehm | — | (530) 979 1139 | GC, remodel, ADU | El Dorado · El Dorado County | — | — |
| Boldt Electric | Jason Christopher Boldt | — | (530) 318 1991 | Electricians | South Lake Tahoe · El Dorado County | — | — |
| Bolen Construction | Andrew Mark Bolen | info@bolenconstruction.com | (530) 919 2000 | GC, remodel, ADU | Grizzly Flats · El Dorado County | — | — |
| Bonar Engineering INC | Robert Scott Bonar | — | (916) 532 5820 | Other | Shingle Springs · El Dorado County | — | — |
| Bonev Construction | Ivo Stefanov Bonev | — | (415) 806 1020 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| Booth K A Heavy Equipment INC | Kent Allen Booth | — | (916) 761 7518 | Other | El Dorado Hills · El Dorado County | — | — |
| Bordges Timber INC | Timothy Lawrence Bordges | — | (530) 626 7930 | Tree | Shingle Springs · El Dorado County | — | — |
| Bossier Painting | Bossier Painting | — | (530) 417 7991 | Windows, patio, painters | Cameron Park · El Dorado County | — | — |
| Bosso Building | Bosso Building | — | (925) 200 4779 | GC, remodel, ADU | El Dorado · El Dorado County | — | — |
| Boylan Construction | Ryan Thomas Boylan | — | (916) 919 6495 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| Bradly's Heating & Air Conditioning | Bradly's Heating & Air Conditioning | — | (916) 591 0903 | HVAC | Diamond Springs · El Dorado County | — | — |
| Branden Gardella Construction | Branden Torres Gardella | — | (408) 390 1703 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| Brandon Kratzer Construction | Brandon William Kratzer | — | (530) 344 2256 | GC, remodel, ADU | Placerville · El Dorado County | — | — |