| Business | Phone |
| City Council 100 Gregory Ln, Concord 94523 | (925) 671-5267 |
| Concord City Council 1950 Parkside Dr, Concord 94519 | (925) 671-3158 |
| Concord Engineering Dept 1957 Parkside Dr # Ms40, Concord 94519 | (925) 671-3361 |
| Concord Info Technology Div 1950 Parkside Dr, Concord 94519 | (925) 671-3189 |
| Concord Maintenance Svc Dept 1455 Gasoline Aly, Concord 94520 | (925) 671-3068 |
| Concord Planning 1950 Parkside Dr, Concord 94519 | (925) 671-3152 |
| Concord Street Maintenance 1455 Gasoline Aly, Concord 94520 | (925) 671-3050 |
| Concord Traffic Operations 1455 Gasoline Aly, Concord 94520 | (925) 671-3132 |
| Concord Tv Cable 2450 Whitman Rd, Concord 94518 | (925) 685-2330 |
| Dnils 100 Gregory Ln, Concord 94523 | (925) 671-5237 |
| Mt Diablo Recycling 4050 Mallard Dr, Concord 94520 | (925) 682-4518 |
| Pleasant Hill Administration 100 Gregory Ln, Concord 94523 | (925) 671-5270 |
| Pleasant Hill Planning 100 Gregory Ln, Concord 94523 | (925) 671-5209 |
| Senior Citizens Lunch Program 2727 Parkside Cir, Concord 94519 | (925) 825-1488 |
| Billing Dept 2700 Grant St, Concord 94520 | (925) 676-6878 |
| Concord Business Licenses 1950 Parkside Dr, Concord 94519 | (925) 671-3313 |
| Concord City Community Grant 1950 Parkside Dr, Concord 94519 | (925) 671-3283 |
| Concord Class Registration 2974 Salvio St, Concord 94519 | (925) 671-3404 |
| Concord Commute Store 2255 Salvio St, Concord 94520 | (925) 825-5688 |
| Concord Construction Streets 1950 Parkside Dr, Concord 94519 | (925) 671-3361 |
| Concord Flood Zone Dept Concord 94520 | (925) 671-3425 |
| Concord Housing & Community 1957 Parkside Dr # 2, Concord 94519 | (925) 671-3364 |
| Concord Human Resources Dept 2974 Salvio St, Concord 94519 | (925) 671-3308 |
| Concord Leisure Svc Adm Offices 1950 Parkside Dr # Ms10, Concord 94519 | (925) 671-3270 |
| Concord Mis Dept 1950 Parkside Dr, Concord 94519 | (925) 671-3189 |
| Concord Pavilion 2000 Kirker Pass Rd, Concord 94521 | (925) 671-3123 |
| Concord Planning Dept 1950 Parkside Dr, Concord 94519 | (925) 671-3152 |
| Concord Purchasing Dept 1435 Gasoline Aly, Concord 94520 | (925) 671-3301 |
| Concord Sewer Maintenance 2050 Waterworld Pkwy, Concord 94520 | (925) 671-3099 |
| Mt Diablo Recycling 4080 Mallard Dr, Concord 94520 | (925) 682-4518 |
| Pleasant Hill Building Inspctn 100 Gregory Ln, Concord 94523 | (925) 671-5200 |
| Pleasant Hill Business License 100 Gregory Ln, Concord 94523 | (925) 671-5234 |
| Pleasant Hill Finance 100 Gregory Ln, Concord 94523 | (925) 671-5225 |
| Pleasant Hill Human Resources 100 Gregory Ln, Concord 94523 | (925) 671-5220 |
| Pleasant Hill Senior Van Svc 100 Gregory Ln, Concord 94523 | (925) 671-5272 |
| Ticket Center 1948 Colfax St, Concord 94520 | (925) 671-3123 |