Public Works

The County Public Works Department is responsible for the following divisions or areas of services. Click on the name of the division to learn more about their services, programs or projects.

Lewis & Clark County Noxious Weed Control District

Public Works Department Holiday Hours

New Year's Day - January 1 ***Observed Monday January 2

Martin Luther King Jr. Day - January 16

President's Day - February 20

Memorial Day - May 29

Independence Day - July 4

Labor Day - September 4

Columbus Day - October 9

Veterans' Day - November 10

Thanksgiving Day - November 23

Christmas Day - December 25

Bids and Proposals

Metropolitan Planning Organization

Information and FAQs

Public Works Manual

2023 Public Works Manual(PDF, 2MB)

Subdivision Regulations

Public Works Administration

Image of a pond

Public Works Administration oversees the administration and financial operations of all programs, services, and projects of the Lewis and Clark County Public Works Department. The office is located at 3402 Cooney Drive, Helena, MT.