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Sewer Main Installation Cost Guide

Most homeowners spend between $1,630 to $3,000 nationally.
Get free estimates from local contractors who can Install a Sewer Main.

A home's sewer main is the large pipe that delivers waste water from the home to the city's sanitary sewer system. Parts of the sewer main are the jurisdiction of the municipality, while the parts that fall on your property are your responsibility to install and maintain. Sewer main installation requires coordination with the city utility department in order to ensure the job is done to code. Before you have a sewer line installed, you'll need to consider a few issues.

National Install a Sewer Main Costs

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National

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$2,595

Average Cost

$75

Minimum Cost

$6,764

Maximum Cost
Average Range:

$1,630
to
$3,000

National Average Cost $2,595
Minimum Cost $75
Maximum Cost $6,764
Average Range $1,630 to $3,000
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How do we get this data? This info is based on 1371 cost profiles, as reported by ImproveNet members.

The Average Cost to Install a Sewer Main 

The average cost to install a sewer main is $2,270. Most homeowners pay between $1,900 and $2,640 to have a new sewer main installed. The final cost of a sewer main installation project will depend on many factors, including whether any concrete or trees need to be removed and the length of the sewer main.

About Sewer Main Installations 

Sewer mains are installed when a home is built. Over the years, tree roots, frost, soil movement and hard water can cause the pipe to deteriorate and necessitate replacement. In most cases, the initial installation of a sewer main will cost less than replacement. This is because driveways, sidewalks and landscaping are often placed atop of where the sewer main is located. Sewer main installation requires that heavy equipment be hauled into your property, and the installation process can take several days. 

Sewer Main Installation Considerations 

Homeowners in stand-alone houses will bear the full cost of sewer line installation. In condos, townhouses and multi-family housing units, the cost may be shared depending on the rules of the homeowner's association. The longer the sewer line that is needed, the more the project will cost. Municipal permits are usually required for sewer main installation. Contractors or plumbers typically take care of the necessary paperwork, but as the homeowner, it's ultimately your responsibility to ensure everything is handled properly. 

Can You Install a Sewer Main Yourself? 

Sewer main installation is not a do-it-yourself project. The work requires extensive planning and coordination with municipal inspectors and the utility company. Professionals supply the needed heavy equipment and specialized skills such as soldering of pipes, sometimes under extreme weather conditions.

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Last updated on Jan 12, 2017

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