| De Leon Plumbing | De Leon Plumbing | — | (408) 469 1959 | Other | Salida · Stanislaus County | — | — |
| De Loza Construction INC | Miguel Angel De Loza | — | (209) 416 2977 | GC, remodel, ADU | Modesto · Stanislaus County | — | — |
| De Luna Electric | Flavio Manuel De Luna | — | (209) 422 1614 | Electricians | Modesto · Stanislaus County | — | — |
| De Ruiter Construction | Lawrence Randolph Sco De Ruiter | — | (209) 470 6179 | GC, remodel, ADU | Oakdale · Stanislaus County | — | — |
| Dean Commercial INC | Byron Dean Chapman | byron@deancommercial.com | (209) 609 3417 | GC, remodel, ADU | Modesto · Stanislaus County | — | — |
| Dean's Painting | Dean's Painting | — | (209) 417 0355 | Windows, patio, painters | Turlock · Stanislaus County | — | — |
| Dean's Seamless Gutters | Dean's Seamless Gutters | — | (209) 986 3825 | Other | Oakdale · Stanislaus County | — | — |
| Decker Brothers Construction INC | Johnny Valentino Decker | — | (209) 537 3542 | HVAC | Ceres · Stanislaus County | — | — |
| Deco Stone Concrete | Bryan Douglas Sparks | impallari@gmail.com | (209) 809 0480 | Other | Modesto · Stanislaus County | — | — |
| Dehart Company The | Steven Robert Litt | firstname@dehart.com | (209) 523 4578 | GC, remodel, ADU | Modesto · Stanislaus County | — | — |
| Dek Roofing Company | Jose Luis Ramos Rivera | — | (209) 248 9783 | Other roofers | Modesto · Stanislaus County | — | — |
| Del Rio Electric INC | Del Rio Ricardo | — | (209) 735 9445 | Electricians | Riverbank · Stanislaus County | — | — |
| Del Rio Landscaping | Salvador V Zepeda | — | (209) 551 9881 | Windows, patio, painters | Modesto · Stanislaus County | — | — |
| Del-tech Geotechnical Support Services INC | Cassandra Alexis Harlan | — | (209) 232 7967 | Other | Oakdale · Stanislaus County | — | — |
| Delgado Engineering | Delgado Engineering | — | (209) 277 8246 | Other | Turlock · Stanislaus County | — | — |
| Delgado Plumbing & Drain | Delgado Plumbing & Drain | — | (209) 247 8819 | Other | Riverbank · Stanislaus County | — | — |
| Delgados Tile Corp | Isaac| Delgado Isaac Saucedo Sr Delgado Saucedo | — | (209) 613 6845 | GC, remodel, ADU | Modesto · Stanislaus County | — | — |
| Dellabarca Design And Build INC | Thomas Justin Vanderveen | — | (209) 543 9676 | GC, remodel, ADU | Oakdale · Stanislaus County | — | — |
| Demars Conoly Plumbing | Demars Conoly Plumbing | — | (562) 379 1460 | Other | Modesto · Stanislaus County | — | — |
| Denair Fencing INC | Eugene Raymond Glaser | — | (209) 632 5540 | Other | Denair · Stanislaus County | — | — |
| Denio Construction INC | Edwin William Denio | info@denioconstruction.com | (209) 883 2617 | GC, remodel, ADU | Hughson · Stanislaus County | — | — |
| Derek Sawyer Heating Cooling Plumbing & Electrical LLC DBA Derek | Derek Carl Sawyer | — | (209) 247 1245 | HVAC | Modesto · Stanislaus County | — | — |
| Dermond Heating & Air Conditioning INC | Bradley Joseph Dermond | — | (209) 529 1909 | HVAC | Modesto · Stanislaus County | — | — |
| Design Studio 120 INC | Gretchen Haidlen Arbini | — | (209) 847 8066 | GC, remodel, ADU | Oakdale · Stanislaus County | — | — |
| Destiny Pools INC | Jose Manuel Acevedo | — | (209) 810 5763 | Pool | Ceres · Stanislaus County | — | — |
| Details Matter Construction INC | James Anthony Martin | detailsmatterinc@yahoo.com | (209) 417-1950 | GC, remodel, ADU | Turlock · Stanislaus County | — | — |
| Dewitt Bishop Masonry | Dewitt Bishop Masonry | — | (209) 401 2453 | Other | Waterford · Stanislaus County | — | — |
| Dews Roofing | Timothy Nicholas Dews | — | (510) 772 2749 | Other roofers | Turlock · Stanislaus County | — | — |
| Dexter Koehn | Dexter Koehn | — | (209) 484 0684 | GC, remodel, ADU | Turlock · Stanislaus County | — | — |
| Dgo General Contractors INC | Orangel C Corral | — | (408) 854 2672 | GC, remodel, ADU | Patterson · Stanislaus County | — | — |
| Dh Builders INC | Jaswinder Singh Toor | hello@dh-builders.com | (209) 614 3921 | GC, remodel, ADU | Ceres · Stanislaus County | — | — |
| Diablo Valley Concrete LLC | Gustavo Anthony Lopez | — | (925) 852 3996 | Other | Salida · Stanislaus County | — | — |
| Dial General Engineering | Michael Louis Sr Tyning | dialengr@att.net | (661) 204 8519 | Windows, patio, painters | Turlock · Stanislaus County | — | — |
| Diamond B Construction LLC Joe Bairos Construction | Joseph Santos Bairos | — | (209) 551 0530 | GC, remodel, ADU | Modesto · Stanislaus County | — | — |
| Diamond Brite Builders INC | Guerrero Adrian Coria | — | (209) 771 5392 | GC, remodel, ADU | Ceres · Stanislaus County | — | — |
| Diamond Brite Swimming Pools INC | Guerrero Adrian Coria | adrian@diamondbriteswimmingpools.com | (209) 771 5392 | GC, remodel, ADU | Ceres · Stanislaus County | — | — |
| Diamond S Fence | Diamond S Fence | — | (209) 765 0983 | Other | Oakdale · Stanislaus County | — | — |
| Diamond-cut Pool Plastering | James Brian Watson | — | (800) 550 0647 | Pool | Riverbank · Stanislaus County | — | — |
| Diangel Builders INC | Amezcua Angel Ochoa | — | (209) 200 9590 | GC, remodel, ADU | Riverbank · Stanislaus County | — | — |
| Diaz Custom Painting | Diaz Custom Painting | — | (209) 678 1144 | Windows, patio, painters | Patterson · Stanislaus County | — | — |