| Dejer Tile | Dejer Tile | — | (408) 770 0197 | Other | San Jose · Santa Clara County | — | — |
| Del Muro Construction | Jose Manuel Gomez Del Muro | — | (408) 591 4881 | Other | San Jose · Santa Clara County | — | — |
| Del Sol Landscaping Maintenance & Design | Masako Koda Esparragoza | — | (408) 425 3798 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Del Toro Stucco | Del Toro Stucco | — | (408) 401 4248 | Other | San Jose · Santa Clara County | — | — |
| Del Turetzky | Del Turetzky | — | (408) 256 3570 | GC, remodel, ADU | San Martin · Santa Clara County | — | — |
| Del Vecchio Construction | James Mathew Del Vecchio | — | (408) 202 6439 | GC, remodel, ADU | Sunnyvale · Santa Clara County | — | — |
| Delamore Fencing Company INC | Kevin Todd Delamore | — | (408) 885 0670 | Other | San Jose · Santa Clara County | — | — |
| Delaware A 1 Fence INC | Peggy Gustamantes Souza | — | (408) 259 2955 | Other | San Jose · Santa Clara County | — | — |
| Delfin's Construction | Andrzej Bronislaw Magierowski | — | (408) 504 9902 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Delgado Construction INC | Armando Honesto Delgado | — | (408) 280 0200 | Electricians | San Jose · Santa Clara County | — | — |
| Delgado's HVAC & Appliance | Delgado's HVAC & Appliance | — | (408) 771 2634 | HVAC | San Jose · Santa Clara County | — | — |
| Delgados Innovation & Construction INC | Jorge Barriga Barriga | — | (408) 230 8523 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Della Maggiore Stone INC | Nicholas John Della Maggiore | — | (408) 993 0229 | Other | San Jose · Santa Clara County | — | — |
| Della Maggiore Tile INC | Maggiore-Houle Julie Della | — | (408) 286 3991 | Other | San Jose · Santa Clara County | — | — |
| Delos Santos Construction | David Respicio Miguel | — | (408) 242 5797 | GC, remodel, ADU | Sunnyvale · Santa Clara County | — | — |
| Delta Bay Construction Company | Steven Vilor Vo | — | (408) 431 3961 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Delta Electric | Derrick Ray Franks | — | (408) 224 0176 | Electricians | San Jose · Santa Clara County | — | — |
| Delta Emc INC | Martinez Jaime | jmartinez@deltaemc.com | (408) 898 6299 | HVAC | San Jose · Santa Clara County | — | — |
| Delta Pacific Painting | Delta Pacific Painting | — | (925) 848 5061 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Deluxes Craft Builders | Luis Salcedo | — | (408) 218 8767 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Demetrios Karvounis DBA Gold Electric Ii | Demetrios Alexander Karvounis | — | (408) 250 1663 | Electricians | San Jose · Santa Clara County | — | — |
| Demeure INC | John Edward Johnson | — | (650) 642 4591 | GC, remodel, ADU | Cupertino · Santa Clara County | — | — |
| Demi Plumbing INC | Demirovic Mirsad | — | (408) 691 3435 | Other | San Jose · Santa Clara County | — | — |
| Dempsey Construction | John Arthur Dempsey | — | (408) 453 6134 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Dempster Plumbing | Dempster Plumbing | — | (408) 597 5877 | Other | San Jose · Santa Clara County | — | — |
| Den Electric INC | Shao Huan Yau | — | (408) 813 2028 | Electricians | Milpitas · Santa Clara County | — | — |
| Dena Construction | Mahmood Reza Yazdani | — | (408) 374 1500 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Denali Construction Services INC | Macarthur Van Nguyen | — | (408) 945 9754 | GC, remodel, ADU | Milpitas · Santa Clara County | — | — |
| Denali Landscape | Denali Landscape | — | (831) 768 7303 | Windows, patio, painters | Los Gatos · Santa Clara County | — | — |
| Denali Tree Service | Reymundo Sanchez Santibanes | bryan@denalitreeservice.com | (408) 701 7363 | Tree | Sunnyvale · Santa Clara County | — | — |
| Dendale Electric | Dale Dennis Schweitzer | — | (916) 997 3518 | Electricians | San Jose · Santa Clara County | — | — |
| Denis Bros Construction INC | Glenn Gregory Denis | — | (650) 962 0605 | GC, remodel, ADU | Mountain View · Santa Clara County | — | — |
| Denis C Matson | Denis C Matson | — | (408) 655 8782 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Dennis Cocanour | Dennis Cocanour | — | (408) 313 0767 | Other | San Jose · Santa Clara County | — | — |
| Dennis Martinez Electrical | Martinez Dennis | — | (408) 968 8568 | Electricians | San Martin · Santa Clara County | — | — |
| Dennis Mc Farlane | Dennis Mc Farlane | — | (408) 354 6686 | GC, remodel, ADU | Saratoga · Santa Clara County | — | — |
| Dennis W Liu | Dennis W Liu | — | (408) 307 1418 | GC, remodel, ADU | Gilroy · Santa Clara County | — | — |
| Denovo Building Solutions INC | Emanuel Martinez-Cabrera | — | (510) 978 9107 | GC, remodel, ADU | E Palo Alto · Santa Clara County | — | — |
| Denoyer Construction | Corwyn Lee Denoyer | — | (408) 858 7472 | GC, remodel, ADU | Los Gatos · Santa Clara County | — | — |
| Derek Weitz | Derek Weitz | — | (408) 529 5535 | GC, remodel, ADU | Los Gatos · Santa Clara County | — | — |