| Duane Choi Construction Co | Duane Nong Han Choi | — | (510) 418 9449 | GC, remodel, ADU | San Leandro · Alameda County | — | — |
| Duarte & Sons Construction & Painting | Carlos Alberto Duarte | — | (510) 290 9962 | GC, remodel, ADU | Castro Valley · Alameda County | — | — |
| Duarte Drywall And Hauling | Duarte Drywall And Hauling | — | (510) 777 0626 | Other | San Leandro · Alameda County | — | — |
| Duarte's Builders INC | Isrrael Duarte | — | (650) 302 4017 | GC, remodel, ADU | San Lorenzo · Alameda County | — | — |
| Dublin Carpet | Charles Edward Walters | — | (925) 833 0165 | Other | Dublin · Alameda County | — | — |
| Dublin Glass Co INC | Michael David Armienti | — | (925) 828 3010 | Windows, patio, painters | Dublin · Alameda County | — | — |
| Duke's Heating & Air Conditioning LLC | Milton Edward Duke | — | (510) 249 9636 | HVAC | Newark · Alameda County | — | — |
| Duke's Plumbing | Duke's Plumbing | — | (510) 343 4540 | Other | San Leandro · Alameda County | — | — |
| Dukkaty Stone&tile LLC | Jose Antonio Anaya Martinez | — | (510) 209 2130 | Other | San Leandro · Alameda County | — | — |
| Dully Garage Door Repair INC | Jephry Rafael Borjas | — | (510) 828 6112 | Other | Dublin · Alameda County | — | — |
| Duma Builders | Duma Builders | — | (510) 527 1496 | GC, remodel, ADU | Berkeley · Alameda County | — | — |
| Dun - Rite Excavating INC | Roland Martin Frame | kgretsinger@dunriteexcavating.com | (925) 456 0780 | GC, remodel, ADU | Livermore · Alameda County | — | — |
| Dunbar Family Electric INC | Rickey Renaud Dunbar | — | (510) 712 7242 | Electricians | Oakland · Alameda County | — | — |
| Dunmeyer Concrete | Dunmeyer Concrete | — | (925) 447 6012 | Other | Livermore · Alameda County | — | — |
| Dunne Construction | Mark Andrew Dunne | — | (510) 325 7185 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Durabay Construction & Remodeling INC | Carrillo Reyes Medrano | — | (510) 706 7511 | GC, remodel, ADU | San Leandro · Alameda County | — | — |
| Durable Painting LLC | Hoon Young Ha | — | (510) 651 4733 | Windows, patio, painters | Fremont · Alameda County | — | — |
| Duralast Quality Painting INC | Juan Carlos Mora Robledo | — | (408) 667 6217 | Windows, patio, painters | Union City · Alameda County | — | — |
| Duran Metal Fabrication | Mark Everett Duran | — | (510) 501 4031 | Other | Livermore · Alameda County | — | — |
| Durham Plumbing & Rooter Solutions | Durham Plumbing & Rooter Solutions | — | (408) 307 1009 | Other | Pleasanton · Alameda County | — | — |
| Durrani Construction | Sarfraz Khan Durrani | — | (510) 449 1573 | GC, remodel, ADU | Fremont · Alameda County | — | — |
| Durrani Plumbing LLC DBA Durrani Plumbing | Sarfraz Khan Durrani | — | (510) 602 8370 | GC, remodel, ADU | Fremont · Alameda County | — | — |
| Dv Gomez Construction INC | Esvin Raul Gomez Cazun | dvgomezconstruction@gmail.com | (510) 689 4183 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Dv4 Construction Co | Melvin Bill Deveyra | — | (415) 240 9303 | GC, remodel, ADU | San Leandro · Alameda County | — | — |
| Dwp Plumbing | Dwp Plumbing | — | (690) 669 4701 | Other | Hayward · Alameda County | — | — |
| Dy Electrical | Lao Lishan | sales@dyelectrical.com | (510) 219 3728 | Electricians | Union City · Alameda County | — | — |
| Dynamic Construction Group INC | Tracey Maurice Greenwell | — | (925) 525 2832 | GC, remodel, ADU | Hayward · Alameda County | — | — |
| Dynamic Designs | Dynamic Designs | — | (510) 697 2460 | Windows, patio, painters | Castro Valley · Alameda County | — | — |
| Dynamic Flow Plumbing & Drain | Dynamic Flow Plumbing & Drain | — | (510) 736 9563 | Other | San Leandro · Alameda County | — | — |
| Dynamic Foam Roofing | Jesus Javier Jimenez | dynamicfoamroofing@yahoo.com | (559) 706 2903 | Other roofers | Dublin · Alameda County | — | — |
| Dynamic Office Solutions LLC | Maria Isabel Nieto | info@dynamicofficesolutions.com | (510) 331 1648 | Other | San Leandro · Alameda County | — | — |
| Dynamic Plumbing And Drain LLC | Carlos Sergio Jr Mendoza | — | (510) 499 9263 | Other | San Leandro · Alameda County | — | — |
| Dynamic Pro Construction | Donovan Isidro Rios Rivas | — | (510) 861 7401 | GC, remodel, ADU | Hayward · Alameda County | — | — |
| Dynamic Security Technologies INC | Bryan Bundalian Buenaventura | — | (510) 786 1121 | Alarm and generators | Hayward · Alameda County | — | — |
| Dynamic Technical Solutions | Joseph Andrew Chin | — | (650) 326 0750 | HVAC | Union City · Alameda County | — | — |
| E & S Masonry Corporation | David Ernest Pierson | — | (510) 581 2776 | Other | Castro Valley · Alameda County | — | — |
| E 3 Plumbing | E 3 Plumbing | — | (925) 784 9906 | Other | Livermore · Alameda County | — | — |
| E B Construction | Edward Allan Bernardi | — | (925) 872 2504 | GC, remodel, ADU | Pleasanton · Alameda County | — | — |
| E B M Construction INC | Randy William Abraham | — | (925) 292 1862 | GC, remodel, ADU | Livermore · Alameda County | — | — |
| E C Payne Drywall INC | Eric Craig Payne | bids@ecpaynedrywall.com | (925) 373 0301 | Other | Livermore · Alameda County | — | — |