811 In Your State

Nevada

Explore damage prevention information, local contacts and rules for safe digging in Nevada.

Logo of Underground Service Alert of Northern California and Nevada

Underground Service Alert of Northern California and Nevada
811 or 800-642-2444

Visit Website

Details

Address:
4005 Port Chicago Hwy
Suite 100
Concord, CA 94520-1232

Hours
24/7

Advanced Notice: 2 working days, but not more than 28 calendar days
Number of days in advance of a digging project that you need to notify the one call center of your intent to dig.

Marks Valid: 28 calendar days or when marks are no longer reasonably visible
Defines the period of time the facility marks (paint, flags, stakes, etc.) are valid according to state law or practice.