Washington State Legislative Sessions
| Legislative Session | 56th |
| Year | 1999 |
| Session Type | Regular |
| Convened | January 11, 1999 |
| Adjourned | April 25, 1999 |
| Session Length | 105 Days |
| Total Days | 105 Total Days |
| Governor | Gary Locke |
| Senate Bills Introduced | 1108 |
| Senate Bills Vetoed | 2 |
| Senate Bills Enacted | 183 |
| House Bills Introduced | 1294 |
| House Bills Vetoed | 4 |
| House Bills Enacted | 217 |
| Notes |