| Dependable Doors | Dependable Doors | — | (707) 775 8009 | Other | Rohnert Park · Sonoma County | — | — |
| Derek Schaffer Tile | Derek Schaffer Tile | — | (707) 703 6459 | Other | Glen Ellen · Sonoma County | — | — |
| Dericco Construction | Joel Phillip Dericco | — | (707) 217 6316 | GC, remodel, ADU | Healdsburg · Sonoma County | — | — |
| Design In Wood INC | Andrew Thomas Jacobson | — | (707) 765 9885 | Other | Petaluma · Sonoma County | — | — |
| Designs By Rick INC | Ricky Jason Del Rosario | — | (707) 543 8046 | Windows, patio, painters | Santa Rosa · Sonoma County | — | — |
| Desired Plumbing INC | Neil Christopher Thorpe | — | (415) 870 5615 | Other | Petaluma · Sonoma County | — | — |
| Desjardins Construction | William Russell Desjardins | — | (707) 843 1032 | Other | Santa Rosa · Sonoma County | — | — |
| Desurra Construction INC | Stephen Paul De Surra | justin@desurraconstruction.com | (415) 209 8056 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Details Landscape Art | Details Landscape Art | — | (707) 769 1600 | Windows, patio, painters | Petaluma · Sonoma County | — | — |
| Deus Ex Mechanical | Deus Ex Mechanical | — | (707) 703 6173 | HVAC | Santa Rosa · Sonoma County | — | — |
| Devin Walters | Devin Walters | — | (707) 364 7751 | Other | Glen Ellen · Sonoma County | — | — |
| Devincenzi Concrete Construction | Jean Marie Dahl | — | (707) 546 3113 | Other | Santa Rosa · Sonoma County | — | — |
| Devoto Plumbing INC | Robert Wayne Millerick | devotoplumbing@comcast.net | (707) 975-4737 | Other | Fulton · Sonoma County | — | — |
| Dewitte Construction INC | Richard Donald Dewitte | office@dewitteconstruction.com | (707) 723 2322 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Dg Construction | Derek Pete Gonsalves | — | (707) 230 3191 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Di Vita And Son | Di Vita And Son | — | (707) 307 3415 | GC, remodel, ADU | Sonoma · Sonoma County | — | — |
| Diamond Concrete Construction | Botello Luis | — | (707) 537 5653 | Other | Sonoma · Sonoma County | — | — |
| Diamond HVAC Services INC | Luis Fernando Lopez Nunez | — | (707) 762 7260 | HVAC | Santa Rosa · Sonoma County | — | — |
| Diamond Painting LLC | Michael James Breeden | diamondpaintingmaui@gmail.com | (808) 344 8899 | Windows, patio, painters | Windsor · Sonoma County | — | — |
| Diamondback Flooring | Kathleen Mary Edwards | — | (707) 481 9366 | Other | Rohnert Park · Sonoma County | — | — |
| Dias & Sons Construction | Frank Breno Dias | — | (707) 578 5545 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Diaz Exclusive Painting | Diaz Exclusive Painting | juan@diazexclusivepainting.com | (707) 608 5741 | Windows, patio, painters | Santa Rosa · Sonoma County | — | — |
| Diaz Lopez Tile | Diaz Lopez Tile | — | (707) 703 7274 | Other | Santa Rosa · Sonoma County | — | — |
| Dibble Landscaping LLC | James Leland Dibble | accounts@dibblelandscaping.com | (707) 778 9088 | Windows, patio, painters | Petaluma · Sonoma County | — | — |
| Dickel Enterprises | Clark Bryant Plummer | — | (707) 623 6222 | Electricians | Santa Rosa · Sonoma County | — | — |
| Dickinson W Construction Company | Warren Edward Dickinson | — | (707) 481 2569 | GC, remodel, ADU | Rohnert Park · Sonoma County | — | — |
| Diego Quality Construction | James Joseph Diego | — | (707) 765 6169 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Dietlin Painting & Decorating INC | Lisa Marie Dietlin | — | (707) 695 1702 | Windows, patio, painters | Petaluma · Sonoma County | — | — |
| Different Strokes Painting | Different Strokes Painting | brianbilski@aol.com | (707) 799 4485 | Windows, patio, painters | Santa Rosa · Sonoma County | — | — |
| Difranco Gate And Fence Co INC | Michael John Jr Difranco | — | (707) 829 8993 | Other | Sebastopol · Sonoma County | — | — |
| Digital Living Inc. 21 Patten St Ste B | Digital Living Inc. 21 Patten St Ste B | — | (707) 602-5555 | Alarm and generators | Sonoma · Sonoma County | — | — |
| Dimensions In Metal INC | Scott Hilary Stroh | — | (707) 894 2586 | Other | Cloverdale · Sonoma County | — | — |
| Dirt Dudes Excavating INC | James Brad Slender | info@dirtdudesexcavating.com | (707) 483-9546 | GC, remodel, ADU | Fulton · Sonoma County | — | — |
| Disa Construction | Eliseo Alexander Diaz Santana | contact@disaconstruction.com | (707) 954 6551 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Discount Carpets | James Stephen Bond | — | (707) 544 6895 | Other | Santa Rosa · Sonoma County | — | — |
| Division 9 Specialty | Division 9 Specialty | — | (707) 303 6199 | Other | Rohnert Park · Sonoma County | — | — |
| Division Seven | Malcolm Eugene Smith | — | (707) 769 7771 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Dixon Custom Builders | Dixon Custom Builders | — | (707) 483 5778 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Dj Baker Construction | Dennis Jerrold Baker | — | (707) 740 9895 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Djm Coating Services INC | Daniel Joseph Michalka | djmcoating@yahoo.com | (707) 544 9400 | Other roofers | Santa Rosa · Sonoma County | — | — |