| Animal Control – CC County Barking dogs, loose or dead animals. | Phone: 925-608-8400 Dispatch: 925-646-2441 Visit Web Page |
| Parking Enforcement Illegally parked cars on a public street. Abandoned cars parked on a public street. Loud noise and party complaints. | Submit a Request Online (925) 625-8060 |
| Building Division/Inspection Building code requirements, new construction and building permits. | Building Division Subpage (925) 625-7005 |
| Business Tax Certificate (License) | Visit Web Page |
| Public Works & Engineering Encroachment permits, malfunctioning traffic signals, speed hump inquires, damaged street or traffic control signs, potholes, debris in the street, street or sidewalk repair. | Visit Web Page |
| Fire Department Administrative Matters and Information. | Contra Costa County Fire Protection District website |
| Landscape Maintenance Overgrown trees or shrubs in parks or on City property. | Visit Web Page |
| Planning Application for land use, variance, sign permits or temporary banner permits. Zoning information. | Planning Division Subpage (925) 625-7000 |
| Solid Waste Garbage was not picked up or service requests. | Visit Web Page MDRR phone number: (925) 682-9113 |
| Contra Costa Mosquito & Vector Control Green swimming pools, mosquitoes, mice & rats, skunks, and ground nesting yellow jackets. | Visit Web Page Phone: (925) 685-9301 |
| Contra Costa Environmental Health Department Unlicensed Mobile Food Vendors and roadside fruit sales | Visit Web Page Phone: (925) 608-5500 |
| Diablo Water District - Water Services | Visit Web Page Phone: (925) 625-3798 |
| Ironhouse Sanitary District - Sewer Services | Visit Web Page Phone: (925) 625-2279 |
| PG&E | Visit Web Page Phone: 1-800-743-5000 |