| D H I Heating & Air | Soltero Hector | buildzoomsupport@blockrenovation.com | (619) 651 1918 | HVAC | Chula Vista · San Diego County | — | — |
| D H Remodeling | D H Remodeling | aqremodeling2@gmail.com | (619) 873 5655 | GC, remodel, ADU | Spring Valley · San Diego County | — | — |
| D H Tractor | D H Tractor | — | (619) 468 3890 | Other | Jamul · San Diego County | — | — |
| D I A S Construction | Hasson Shimshon | jcayala@traycons.com | (619) 708 8649 | Electricians | San Diego · San Diego County | — | — |
| D J C Services | Dominic Jonathan Chemello | — | (760) 317 6611 | GC, remodel, ADU | Escondido · San Diego County | — | — |
| D J Electric | Daniel John Martin | gillade@pacificsoutherndevelopment.com | (619) 261 6311 | Electricians | San Diego · San Diego County | — | — |
| D J Pro Painting | D J Pro Painting | — | (760) 521 0337 | Windows, patio, painters | Fallbrook · San Diego County | — | — |
| D J Russell Construction INC | David Jon Russell | — | (858) 552 1597 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| D James Kepner DBA Del Mar Landscaping Co | Douglas James Kepner | — | (619) 723 0332 | Windows, patio, painters | San Diego · San Diego County | — | — |
| D K Barnett Construction INC | David Kenneth Barnett | — | (760) 599 4393 | GC, remodel, ADU | Vista · San Diego County | — | — |
| D K Concrete INC | Ben James Kackstetter | — | (619) 818 4999 | Other | San Luis Rey · San Diego County | — | — |
| D K Construction | Daniel Moses Khouli | — | (619) 724 1827 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| D K Construction | Donald Eugene Sr Kramer | — | (619) 987 7743 | GC, remodel, ADU | El Cajon · San Diego County | — | — |
| D K L Cleaning Service | David Geoffrey Jr Leese | — | (760) 519 5813 | Other | Fallbrook · San Diego County | — | — |
| D K S Construction INC | Declan King | — | (858) 291 8675 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| D L Allen Plumbing Specialists | D L Allen Plumbing Specialists | — | (760) 250 9580 | Other | Escondido · San Diego County | — | — |
| D L C Coatings | La Cruz Ramos Martin De | — | (858) 943 9157 | Other | Escondido · San Diego County | — | — |
| D L Peterson Construction INC | Daniel Lawrence Peterson | — | (619) 884 0052 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| D L T Remodeling | Oscar Andres De La Torre | — | (858) 213 1030 | GC, remodel, ADU | Escondido · San Diego County | — | — |
| D Lowen Electric INC | Desi D Lowen | — | (760) 716 0636 | Electricians | Vista · San Diego County | — | — |
| D M A Construction | Manuel Albert Dionisio | — | (858) 775 8186 | GC, remodel, ADU | Escondido · San Diego County | — | — |
| D M C Plumbing Company | Daniel Edward Moore | — | (619) 849 9270 | Other | Poway · San Diego County | — | — |
| D M Construction And Concrete INC | Daniel Franklin Morrin | — | (619) 994 4328 | GC, remodel, ADU | El Cajon · San Diego County | — | — |
| D M Dray Construction Co | Dennis Michael Dray | — | (619) 977 5903 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| D M Electric | Damon Lalo Millard | — | (858) 414 8830 | Electricians | San Diego · San Diego County | — | — |
| D M Eshelman Electric | David Michael Eshelman | — | (650) 520 8989 | Electricians | Vista · San Diego County | — | — |
| D M Hultenius Corporation | David Maurice Hultenius | derek@dmhultenius.com | (619) 303 6140 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| D M Robbins Construction INC | David Michael Robbins | — | (619) 218 6111 | GC, remodel, ADU | Poway · San Diego County | — | — |
| D N A Construction Specialties INC | Amanda Danielle Verdugo | aqremodeling2@gmail.com | (619) 825 9863 | GC, remodel, ADU | Spring Valley · San Diego County | — | — |
| D N R Quality Construction | Daniel Lopez Robledo | — | (619) 271 7736 | GC, remodel, ADU | Chula Vista · San Diego County | — | — |
| D N Tanks INC | Patrick James Mcinerny | — | (619) 270 4548 | Other | El Cajon · San Diego County | — | — |
| D Ott Construction | Darren Joel Ott | — | (619) 339 1642 | GC, remodel, ADU | Lemon Grove · San Diego County | — | — |
| D P C Electric | Derwin Paul Chang | dustin@dpcelectric.com | (858) 737 9106 | Electricians | San Diego · San Diego County | — | — |
| D P L Marble & Tiles | Dan Peter Latal | — | (619) 347 1592 | Other | San Diego · San Diego County | — | — |
| D P L Solutions | D P L Solutions | — | (760) 644 1453 | GC, remodel, ADU | Encinitas · San Diego County | — | — |
| D P Painting | D P Painting | — | (619) 856 1226 | Windows, patio, painters | San Diego · San Diego County | — | — |
| D Plus C Enterprises INC | Douglas Allen Trim | — | (661) 944 2884 | Windows, patio, painters | Jamul · San Diego County | — | — |
| D Q Construction | Dante Daes Quidez | — | (619) 301 6007 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| D Q Flooring | D Q Flooring | — | (760) 583 6578 | Other | Oceanside · San Diego County | — | — |
| D Q Plumbing INC | David Antonio Quintero | — | (760) 877 1432 | Other | Escondido · San Diego County | — | — |