When your home’s wastewater system slows or clogs, you may need to repair or replace your sewer line. Few homeowners look forward to sewer line projects with pleasure. But with experienced plumbing help, sewer line repair or replacement can go as quickly and painlessly as possible.
The sewer line replacement cost can vary depending on factors such as the linear footage, square footage, material type and line length.
For instance, minor localized sewer repairs begin at around $650 and range up to $7,500 for 30 feet of sewer line replacement, with an average of around $4,000.
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By Linear Foot
Expect to pay between $55 and $250 per linear foot to replace a sewer line.
By Square Foot
As a rough estimate, sewer line replacement costs typically range from $50 to $250 per square foot.
By Material
For material only, per 50 linear feet:
- ABS Plastic: $140 to $260
- PVC Plastic: $80 to $400
- Cast Iron: $1,200 to $3,700
By Line Length
Sewer line replacement costs are commonly estimated based on the line length. Typically, replacing a short sewer line costs $1,250, while replacing longer lines can cost up to $25,000.
Sewer Line Replacement From House to Street
All full sewer line replacements begin at the house and end at the street, where municipal sewer obligation begins. As this distance can often be lengthy, expect to pay up to $10,000 for a 30-foot run of the sewer line. Depending on your area, the type of soil, time of year and other factors, a full sewer line replacement to the street can cost up to $20,000.
Sewer Line Under a Slab Replacement Cost
Adding a trenchless sewer line under a slab to avoid breaking up the slab can cost from $6,500 to $13,000. Breaking into a slab to replace a sewer line can cost $15,000 to $20,000.
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