| Business | Phone |
| Centex Real Estate 1855 Gateway Blvd # 650, Concord 94520 | (925) 827-8100 |
| Meritage Homes Of Northern Ca 1800 Sutter St # 500, Concord 94520 | (925) 288-0088 |
| Olson Co Willow Walk 2849 Willow Pass Rd, Concord 94519 | (925) 677-7420 |
| R & M Home Desgin & Repair In 2700 Waltrip Ln, Concord 94518 | (925) 798-5100 |
| Standard Pacific Corp 1478 Wharton Way, Concord 94521 | (925) 363-3550 |