Elections to Sedgefield Council were held on 6 May 1999. The whole council was up for election and the Labour party stayed in overall control of the council.
| Sedgefield Local Election Result 1999 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Party | Seats | Gains | Losses | Net gain/loss | Seats % | Votes % | Votes | +/- | ||
| Labour | 43 | -4 | 87.8 | |||||||
| Independent | 3 | +1 | 6.1 | |||||||
| Liberal Democrat | 2 | +2 | 4.1 | |||||||
| Others | 1 | +1 | 2.0 | |||||||
| Preceded by Sedgefield Council election, 1995 |
Sedgefield local elections | Succeeded by Sedgefield Council election, 2003 |