Elections to Stevenage Council were held on 6 May 1999. The whole council was up for election with boundary changes since the last election in 1998. The Labour party stayed in overall control of the council.
| Stevenage Local Election Result 1999 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Party | Seats | Gains | Losses | Net gain/loss | Seats % | Votes % | Votes | +/- | ||
| Labour | 33 | -4 | 84.6 | |||||||
| Liberal Democrat | 3 | +1 | 7.7 | |||||||
| Conservative | 3 | +3 | 7.7 | |||||||
| Preceded by Stevenage Council election, 1998 |
Stevenage local elections | Succeeded by Stevenage Council election, 2000 |