About Washington 811
Washington 811 serves all of Washington State and has the longest standard ticket validity window in the country at 45 days. Washington's mix of urban density (Seattle metro), agriculture, and forestry creates diverse underground infrastructure across the state.
Submit tickets at https://www.washington811.com or dial 811 from any phone.
Required Wait Period in Washington
Washington requires 2 business days notice before excavation. Tickets can be submitted online or by phone, with real-time tracking available through the Washington 811 portal.
Use the Wait Time Calculator to find your exact dig date accounting for weekends and holidays.
Ticket Validity and Re-Notify in Washington
Washington's 45-day ticket window is the most generous in the US — nearly three times the national average. Most residential projects can be completed on a single ticket without re-notification.
Private Lines in Washington
Western Washington has significant irrigation infrastructure in agricultural areas east of the Cascades, while Western Washington properties commonly have private drainage systems and landscape drainage that 811 won't mark.
See the full guide: What 811 Does NOT Cover.
How to Submit a Ticket in Washington
Pre-mark excavation area in white
Mark each planned dig location with white paint or stakes before submitting.
Submit online or call 811
Visit https://www.washington811.com or dial 811. Include address, work type, start date, and depth.
Wait 2 full business days
Do not dig until the wait period has elapsed AND all utilities have responded.
Verify all responses
Log in with your confirmation number. Every utility must show "marked" or "clear."
Calculate Your Washington Dig Date
Get your exact legal dig date, expiration date, and re-notify reminder instantly.
Open CalculatorRelated Guides
How 811 Works
Complete process guide.
Color Codes
What the marks in your yard mean.
Re-Notify Rules
When your ticket expires mid-project.