| Douglas Engineering | Douglas Engineering | — | (805) 400 8497 | Other | San Miguel · San Luis Obispo County | — | — |
| Douglas Lowe Construction | Douglas Allan Lowe | — | (310) 995 1822 | GC, remodel, ADU | Morro Bay · San Luis Obispo County | — | — |
| Downing Construction | Jeffrey Ray Downing | — | (805) 471 5415 | GC, remodel, ADU | Grover Beach · San Luis Obispo County | — | — |
| Doyle's Construction & Handyman Services | Stephen Craig Doyle | — | (805) 550 5713 | GC, remodel, ADU | Arroyo Grande · San Luis Obispo County | — | — |
| Dp Construction Company | Daniel John Porter | — | (805) 704 3511 | GC, remodel, ADU | Morro Bay · San Luis Obispo County | — | — |
| Dp Plumbing | Dp Plumbing | — | (805) 286 6641 | Other | Paso Robles · San Luis Obispo County | — | — |
| Dr Electric | Robert Robert | — | (805) 451 8712 | Electricians | Grover Beach · San Luis Obispo County | — | — |
| Dragomir Design-build INC | Cristian Dragomir | — | (714) 287 8137 | Other | Atascadero · San Luis Obispo County | — | — |
| Drain Doctor's Plumbing | David Leroy Payne | office@draindoctorsplumbing.com | (805) 467-1214 | Other | San Luis Obispo · San Luis Obispo County | — | — |
| Drain Doctors Plumbing | Jared Wayne Worthen | office@draindoctorsplumbing.com | (805) 467-1214 | Other | San Luis Obispo · San Luis Obispo County | — | — |
| Drake Excavating & Aggregates INC | Steven Lyle Drake | — | (805) 541 2006 | Other | San Luis Obispo · San Luis Obispo County | — | — |
| Drew Davis Fine Art | Drew Davis Fine Art | — | (805) 234-2302 | Windows, patio, painters | San Luis Obispo · San Luis Obispo County | — | — |
| Droughtscapes | Jason D Arnold | — | (760) 578 1732 | Windows, patio, painters | Grover Beach · San Luis Obispo County | — | — |
| Dt General Engineering And Construction INC | Derek Laurence Todd | — | (805) 431 8953 | Other | Pismo Beach · San Luis Obispo County | — | — |
| Duane's Home Services | Duane Anthony Zaragoza | — | (805) 712 9774 | GC, remodel, ADU | Paso Robles · San Luis Obispo County | — | — |
| Dudley-wise Painting | Dudley-wise Painting | — | (805) 440 7121 | Windows, patio, painters | Morro Bay · San Luis Obispo County | — | — |
| Duganne Electric | Joel Erin Duganne | — | (805) 235 5221 | Electricians | Cayucos · San Luis Obispo County | — | — |
| Dunham Construction And Design | Keith Neal James Dunham | — | (805) 440 7631 | GC, remodel, ADU | Atascadero · San Luis Obispo County | — | — |
| Dunn Construction | Casey Lannigan Dunn | — | (805) 748 8828 | GC, remodel, ADU | Arroyo Grande · San Luis Obispo County | — | — |
| Dutch Drapery & Blinds | Dutch Drapery & Blinds | — | (805) 712 4947 | Other | Atascadero · San Luis Obispo County | — | — |
| Dv Floor Coverings | Dv Floor Coverings | — | (805) 423 9368 | Other | Atascadero · San Luis Obispo County | — | — |
| Dwellinart Designer Builder Artist | Dwellinart Designer Builder Artist | — | (805) 550 3878 | GC, remodel, ADU | San Luis Obispo · San Luis Obispo County | — | — |
| Dwp Inspections | Dwp Inspections | — | (805) 610 9756 | GC, remodel, ADU | Atascadero · San Luis Obispo County | — | — |
| Dynamic Electric Company | Michael Raymond Olson | — | (805) 461 1688 | Electricians | Atascadero · San Luis Obispo County | — | — |
| Dynasty Construction INC | Zachary Anton Lerno | interested@domainmarket.com | (805) 610 7610 | Electricians | Atascadero · San Luis Obispo County | — | — |
| E & E Electric | Jose Nicanor Ventura | — | (805) 704 1914 | Electricians | Los Osos · San Luis Obispo County | — | — |
| E G Painting Corp | Malagon Edgar Garcia | eg_painting@yahoo.com | (805) 975 9456 | Windows, patio, painters | Paso Robles · San Luis Obispo County | — | — |
| E M Ector Construction | Eric M Ector | — | (805) 710 0632 | GC, remodel, ADU | Arroyo Grande · San Luis Obispo County | — | — |
| E Paul Della Rosa | E Paul Della Rosa | — | (805) 441 1401 | GC, remodel, ADU | San Luis Obispo · San Luis Obispo County | — | — |
| E Robert Wishon General Contractor | E Robert Wishon General Contractor | — | (805) 704 6271 | GC, remodel, ADU | Los Osos · San Luis Obispo County | — | — |
| E S Mc Cart Construction | Eric Shanon Mc Cart | — | (805) 440 2371 | GC, remodel, ADU | San Luis Obispo · San Luis Obispo County | — | — |
| E Smith Construction | Elliot Michael Smith | — | (805) 835 1517 | GC, remodel, ADU | Cambria · San Luis Obispo County | — | — |
| E Z Painting | E Z Painting | — | (805) 464 0552 | Windows, patio, painters | Atascadero · San Luis Obispo County | — | — |
| Earth Systems Pacific | Rochelle Robin Wagner | — | (805) 544 3276 | Other | San Luis Obispo · San Luis Obispo County | — | — |
| Earth Tone General Contracting | Paul Emerson Trent | — | (805) 235 8266 | GC, remodel, ADU | Los Osos · San Luis Obispo County | — | — |
| Ecl Plumbing INC | Danny Santos Ortiz | — | (818) 531 6238 | Other | Santa Margarita · San Luis Obispo County | — | — |
| Eco Air Refrigeration | Scott Richard Tirre | — | (805) 441 1752 | HVAC | Nipomo · San Luis Obispo County | — | — |
| Eco Chic | Eco Chic | — | (805) 226 6566 | Windows, patio, painters | Oceano · San Luis Obispo County | — | — |
| Eco-clean Painting | Eco-clean Painting | — | (805) 835 9747 | Windows, patio, painters | Atascadero · San Luis Obispo County | — | — |
| Ecotones Landscapes INC | Gregory Victor Frugoli | greg@ecotoneslandscapes.com | (805) 927 0374 | Windows, patio, painters | San Luis Obispo · San Luis Obispo County | — | — |