811 in Maryland: Complete Homeowner Guide

About Miss Utility (Maryland)

Miss Utility serves Maryland as part of the broader Mid-Atlantic system also covering Virginia, Delaware, and DC. Maryland's dense suburban development in the Baltimore and DC metro areas creates high utility infrastructure density.

Submit tickets at https://www.missutility.net or dial 811.

Required Wait Period

Maryland requires 2 business days notice before excavation. Miss Utility handles Maryland tickets through their regional system.

Use the Wait Time Calculator to find your exact dig date.

Ticket Validity & Re-Notify

Maryland's 15-day validity window is shorter than many states. For Maryland projects running more than 12 days, plan re-notification proactively.

Private Lines in Maryland

Maryland suburban areas have dense residential irrigation systems, particularly in Montgomery County and Baltimore County. Rural Eastern Shore areas have private well water and agricultural infrastructure.

Full guide: What 811 Does NOT Cover.

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