| Contact | Description | Telephone |
| Civil and Geotechnical Laboratory General Enquiries | Environment, Design Services, Engineering Laboratory | 0191 383 3472 |
| Consumer Services | Trading standards and consumer services for County Durham | 0191 383 3585 |
| Countryside Rangers | Countryside Rangers | 0191-3833594 |
| Design and Conservation Team | Regeneration of Settlements, Environmental Projects | 0191 383 3347 |
| Development Control | Ensures that mineral working and waste disposal operations can meet essential needs with the minimum of adverse impact. | 0191 383 3397 |
| Electrical Design and Maintenance | Full design and maintenance services for all electrical services within County Council Premises. | 0191 383 4050 |
| Environment Services Finance Enquiries | Contracts, invoices | |
| Environment Services General Enquiries | Highways, Environmental, Design Services | 0191 383 3469 |
| GIS Team | Geographic Information System (electronic mapping) | |
| HAUC - County Hall | HAUC - County Hall | |
| HAUC - Northern Area | HAUC - Northern Area | |
| HAUC - Southern Area | HAUC - Southern Area | |
| Heating Design and Maintenance | Design and maintenance of mechanical services installations associated with buildings. County Council Premises Only | 0191 383 4050 |
| Help Desk | The Durham County Council Help Desk, whose staff will be pleased to assist you or direct your queries to the appropriate person | 0191 383 4567 |
| Highway Development Control | Highway implications of planned developments and local plans | 0191 383 4145 |
| Highways Action Line HAL | Single point of contact regarding Highway and street Lighting issues | 0191 370 6000 |
| Highways Design Schemes and the Local Transport Plan | | |
| Landscape | For advice on the Countryside Agency study of the Character of England, on the protection and management of hedgerows, stonewall work, and historic landscapes. | 0191 383 4076 |
| Local Agenda 21 | County Durham Local Agenda 21 is a partnership of organisations and individuals in the County, committed to finding new ways of making progress towards sustainable development | 0191 383 3361 |
| Metrology Laboratory | Consumer Services Metrology Laboratory | 0191 383 4250 |
| Mobilising Knowledge | Zmail group for the Mobilising Knowledge website | 01913834868 |
| Northern Area | Highway Management for Chester-le-Street, Derwentside, Durham City, Easington | 0191 370 6000 |
| Pedal Power | General comments about cycling facilities with County Durham | |
| Planning Policy | Matters relating to County Council planning policy | 0191 383 4115 |
| Planning Projects | | 0191 383 4102 |
| Property Helpdesk | Property Helpdesk is a single point of contact allowing you access to information from all Durham County Council Departments regarding property issues. | 0191 383 4050 |
| Public Rights of Way | | 0191 383 3239 |
| Reclamation | Reclamation, Environment, Design Services | 0191 383 4089 |
| Reclamation of Derelict Land | | 0191 383 4089 |
| Regeneration | Regeneration initiatives. | 0191 383 4351 |