| 1 Step By Step Construction | Tony D'arcy Muir | — | (925) 597 4648 | GC, remodel, ADU | Vallejo · Solano County | — | — |
| 4 K Construction | Eliseo Castro Jr Garcia | — | (707) 704 9860 | GC, remodel, ADU | Fairfield · Solano County | — | — |
| 8A Renovation | 8A Renovation | — | (707) 337 5976 | GC, remodel, ADU | Fairfield · Solano County | — | — |
| A & S Floors | A & S Floors | asf@asfloors.com | (707) 747 4776 | GC, remodel, ADU | Benicia · Solano County | — | — |
| A & S Quality Construction INC | Diana Berenice Silva | — | (707) 880 4471 | GC, remodel, ADU | Dixon · Solano County | — | — |
| A And M Flooring Design | Benjamin Charles Rowe | — | (209) 577 1035 | GC, remodel, ADU | Fairfield · Solano County | — | — |
| A B - Pro | A B - Pro | — | (209) 968 7655 | GC, remodel, ADU | Vallejo · Solano County | — | — |
| A C A Remodeling Design | A C A Remodeling Design | — | (925) 200 0045 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| A David Home Repairs / Improvement | Albert Aguilus David | — | (707) 315 0763 | GC, remodel, ADU | Vallejo · Solano County | — | — |
| A Maravilla Construction INC | David Ignacio Vazquez | — | (707) 803 3287 | GC, remodel, ADU | Fairfield · Solano County | — | — |
| A R Construction | Bruce Everett Sheppard | — | (707) 333 7143 | GC, remodel, ADU | Vallejo · Solano County | — | — |
| A Reyes Construction INC | Delgado Alfredo Reyes | — | (510) 778 5648 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| A Squared Construction INC | Joseph David Ballinger | — | (925) 826 5727 | GC, remodel, ADU | Benicia · Solano County | — | — |
| A To Z Contractors INC | Kausil Deo Singh | — | (707) 688 5699 | GC, remodel, ADU | Fairfield · Solano County | — | — |
| A Torres Construction | Abel Vital Torres | — | (707) 720 8138 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| A Z Builders Group INC | Louis William Jr Wright | — | (510) 393 1474 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| A1 Maintenance LLC | Luis Roberto Zarate | enquiries@a1maintenance.com | (707) 563 7066 | GC, remodel, ADU | Vallejo · Solano County | — | — |
| Aaron Lambert Construction And Remodel | Aaron Thomas Lambert | — | (707) 290 0938 | GC, remodel, ADU | Fairfield · Solano County | — | — |
| Abc Renovations INC | Steven Alvarado | interested@domainmarket.com | (707) 419 2426 | GC, remodel, ADU | Suisun City · Solano County | — | — |
| Abel To Do It Construction | Chavez-tovar Abel | — | (707) 470 9821 | GC, remodel, ADU | Dixon · Solano County | — | — |
| Abercrombie Enterprises | Jackie Ray Abercrombie | — | (707) 290 5024 | GC, remodel, ADU | Fairfield · Solano County | — | — |
| Above Board Windows | Above Board Windows | — | (707) 249 1090 | GC, remodel, ADU | Fairfield · Solano County | — | — |
| Above Standard Construction | Espinoza Gerardo | — | (510) 544 9459 | GC, remodel, ADU | Vallejo · Solano County | — | — |
| Absolute Finishing | Absolute Finishing | — | (707) 207 5602 | GC, remodel, ADU | Benicia · Solano County | — | — |
| Absolute Remodel & Construction | Joel Sr Garza | — | (707) 628 0452 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| Acha Construction | Javier Antonio Acha | — | (925) 876 2242 | GC, remodel, ADU | Vallejo · Solano County | — | — |
| Acr Construction Services | Richard Barry Jabour | — | (707) 514 3291 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| Ada Pro Construction | Arellano Arturo Hernandez | — | (510) 590 7506 | GC, remodel, ADU | Vallejo · Solano County | — | — |
| Adam Henry Construction | Adam Corey Henry | — | (707) 580 1249 | GC, remodel, ADU | Rio Vista · Solano County | — | — |
| Adam's Construction Co | Margarito Rodriguez Chavez | — | (707) 678 0514 | GC, remodel, ADU | Dixon · Solano County | — | — |
| Adval Construction | Adolfo Antonio Valencia Loza | — | (707) 704 7684 | GC, remodel, ADU | Vallejo · Solano County | — | — |
| Advanced Builders LLC | Estevan Edgar Torres | interested@domainmarket.com | (707) 330 5053 | GC, remodel, ADU | Suisun City · Solano County | — | — |
| Aer Construction | Alonzo Vivanco Ramirez | — | (916) 398 0448 | GC, remodel, ADU | Rio Vista · Solano County | — | — |
| Affordable Home Improvement & Design INC | Joe Larry Gantt | — | (707) 372 5530 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| Ag Elite Builders INC | Gonzalez Amando Ahumada | — | (510) 734 6234 | GC, remodel, ADU | Vallejo · Solano County | — | — |
| Ajero Construction | Joey Andre Ajero | — | (707) 655 7887 | GC, remodel, ADU | Vallejo · Solano County | — | — |
| Albert Pantoja | Albert Pantoja | — | (415) 450 8861 | GC, remodel, ADU | Fairfield · Solano County | — | — |
| Alder Creek Landscape | Alder Creek Landscape | — | (707) 365 7828 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| Aldugrand Construction | Remon Farouk Wahballah | — | (323) 772 7476 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| Alex Goodwin | Alex Goodwin | — | (707) 421 9658 | GC, remodel, ADU | Fairfield · Solano County | — | — |