| Business | Phone |
| Ajs Partners 1791 Crescent Ave, Castro Valley 94546 | (510) 582-7836 |
| Alameda Engineering 18857 Almond Rd, Castro Valley 94546 | (510) 537-6550 |
| Antes Construction Po Box 20537, Castro Valley 94546 | (925) 829-6275 |
| Arrow Construction 2700 Talbot Ln, Castro Valley 94546 | (510) 581-0988 |
| B A Morrison General Contr 2544 Castro Valley Blvd, Castro Valley 94546 | (510) 538-9817 |
| Bar In The Woods Construction 18301 Carlton Ave, Castro Valley 94546 | (510) 581-1584 |
| Blue Water Builders Po Box 20870, Castro Valley 94546 | (510) 888-9300 |
| Boyd Construction 4669 Hillside Dr, Castro Valley 94546 | (510) 690-9600 |
| Chi Construction Co 18119 Apricot Way, Castro Valley 94546 | (510) 727-9833 |
| Craig Bull Construction 17650 Columbia Dr, Castro Valley 94552 | (510) 537-9423 |
| D H Hunt Construction 18850 Brickell Way, Castro Valley 94546 | (510) 247-1496 |
| Dream Builders Castro Valley 94546 | (510) 538-3026 |
| E M Davis Construction Co 4789 Ewing Rd, Castro Valley 94546 | (510) 791-0853 |
| Form Tech Construction 18433 Vineyard Rd, Castro Valley 94546 | (510) 881-0900 |
| Hanson & Hanson Builders Inc 20618 Stanton Ave, Castro Valley 94546 | (510) 538-0692 |
| Jad Construction 4511 Edwards Ln, Castro Valley 94546 | (510) 889-1372 |
| John J Langon Jr Contractor 19350 Langon Pl, Castro Valley 94546 | (510) 881-5944 |
| Kmc Builder Inc 2625 Castro Valley Blvd, Castro Valley 94546 | (510) 538-7860 |
| L B Reed Construction Inc 27879 Palomares Rd, Castro Valley 94552 | (510) 887-6448 |
| Lessco Construction 20672 Forest Ave, Castro Valley 94546 | (510) 538-8256 |
| M B Development 4646 Crow Canyon Rd, Castro Valley 94552 | (510) 583-0328 |
| Man Wah Construction Co 2602 Castro Valley Blvd, Castro Valley 94546 | (510) 538-1119 |
| Montgomery Builders 5232 Tyler Ct, Castro Valley 94546 | (510) 247-1034 |
| Pop's Construction Co 19592 Barclay Rd, Castro Valley 94546 | (510) 477-9297 |
| Professional Builders 19054 Vannoy Ct, Castro Valley 94546 | (510) 538-7137 |
| Ray Weaver General Contracting 18187 Reamer Rd, Castro Valley 94546 | (510) 538-8838 |
| Realtors Choice Construction 3221 Keith Ave, Castro Valley 94546 | (510) 582-1015 |
| S L Builders Castro Valley 94546 | (510) 538-1390 |
| Sales Consultants Enterprises 19204 Almond Rd, Castro Valley 94546 | (510) 581-3888 |
| Sonrise Enterprises 2292 Regent Way, Castro Valley 94546 | (510) 278-5880 |
| T G Polyzos Construction Inc Po Box 2610, Castro Valley 94546 | (510) 881-1767 |
| Thomas Yeandle Construction Co 21060 Redwood Rd # 150, Castro Valley 94546 | (510) 537-4048 |
| Vander Bilt Family Builders 2555 Castro Valley Blvd, Castro Valley 94546 | (510) 886-5450 |
| Vanderbilt Construction 4795 Heyer Ave, Castro Valley 94546 | (510) 537-2340 |
| Vertrees Construction Po Box 2951, Castro Valley 94546 | (510) 581-1237 |
| Victory Construction 5321 Willow Glen Pl, Castro Valley 94546 | (510) 760-4483 |
| Warhurst Construction Castro Valley 94546 | (510) 537-1308 |