St. Louis, Missouri

Who pays for sewer lateral repair in St. Louis?

Direct answer

The entire lateral from the building through its connection to the MSD public sewer is private, and the owner remains responsible for maintenance and repair. For an eligible City residential property of six units or fewer, the City program can repair an approved severe break in the public right-of-way without charging the owner. The program excludes private-property breaks, routine clogs, and root clearing.[2][1]

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Governing authorityCity of St. Louis Street Division and MSD Project Clear

This page is for properties inside the independent City of St. Louis. It does not describe St. Louis County or another MSD municipality. City program eligibility also requires the $28 sewer-lateral real-estate-tax fee and other City conditions.

Editorially verified2026-07-29

Confirm time-sensitive details before work begins.

Most important next actionBefore arranging street excavation, have a City-licensed plumber document the defect and submit the video and written statement to the Street Division for eligibility review.

Check the City repair program

Official contact: City of St. Louis Street Division · 314-647-3111

Fast answer

Responsibility at a glance

Pipe segment	Likely responsible party	What the official sources say
House to property line	Property owner verified	The owner owns, maintains, and pays for the private lateral on private property. The City repair program excludes breaks on private property.[2][1]
Property line through right-of-way	Property owner; City may fund an approved program repair verified	Private ownership and maintenance continue through the right-of-way. City funding for an approved failure is a program benefit, not a transfer of legal ownership.[2][1]
Sidewalk or under-street section	Property owner; City program for a qualifying severe break verified	An eligible severe break in the public right-of-way may be repaired by the City without an additional owner fee. An ineligible failure, clog, or root problem remains the owner's cost.[1][2]
Connection to the public main	Property owner for the lateral connection; MSD for the main verified	MSD's private-lateral definition includes its connection to the public sewer. The owner pays unless an approved City right-of-way repair includes the failed location.[2][1]

Ownership, maintenance, initial payment, and reimbursement

The owner retains private ownership and maintenance responsibility from the building through the public-sewer connection. For a qualifying severe right-of-way break, the City can manage and fund the approved repair without an additional owner fee; that benefit does not make the lateral City-owned.[2][1]

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Important exceptions

Eligibility is limited to City residential structures with six units or fewer that pay the $28 annual real-estate-tax lateral fee and have current taxes.[1]
A severe break causing a cave-in or home backup in the public right-of-way may qualify; clogs and root clearing do not qualify anywhere on the line.[1]
City program work is prioritized rather than promised as immediate emergency service; backups receive priority.[1]

The question most guides bury

Who pays when the problem is under the street?

A break under the street is still on a private lateral, but an eligible severe break in the public right-of-way can receive no-fee City repair. Coverage depends on property eligibility, tax status, defect type, and documented location—not simply on being beneath pavement.[1][2]

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Action paths

What to do next

If sewage is backing up now

Report the backup and allow MSD or City staff to rule out a public-main problem.
If the main is clear, hire a City-licensed plumber to clear and camera the private lateral.
Submit the video and plumber statement to the Street Division if a severe right-of-way break is shown.

[1]

If a camera inspection failed

Obtain the plumber's written defect statement and a copy of the video identifying the failure location.
Send both to the Street Division for review when the defect is in the public right-of-way; do not assume every failed camera qualifies.

[1]

If you are buying or selling

A seller is not subject to a general City-mandated pre-sale home inspection under Missouri section 436.345.
A buyer may order a voluntary sewer scope; separately confirm any occupancy-permit process for the property.

[5]

If damage appears to be under the street

Do not excavate first; document the break with a City-licensed plumber's camera and written statement.
Confirm that the parcel pays the $28 fee and taxes are current, then submit the evidence to the Street Division.

[1]

If you need financial assistance

Check the City program's property, tax, location, and defect eligibility before arranging repair.
Submit the required plumber video and statement before owner-arranged excavation; the program does not reimburse routine cleaning, roots, or private-yard repair.

[1]

Before hiring or permitting the work

Verify a City-certified licensed contractor for the applicable drainlaying work.
Require the contractor to obtain the plumbing permit and, for a possible City-program repair, complete program review before excavation.

[3][4][1]

Verified program status

Financial assistance

The City Sewer Lateral Repair Program is current and can provide no-fee City-managed repair for an eligible severe break in the public right-of-way. It is not a cash reimbursement for owner-arranged work.

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Eligibility: City property; residential structure of six units or fewer; $28 annual program fee paid through real-estate tax; taxes current; qualifying severe break in the public right-of-way.
Benefit: The City completes an approved repair without an additional fee to the owner.
Cap: No dollar cap is stated on the reviewed City page.
Covered work: A severe break in the public right-of-way causing a cave-in or home backup.
Deadline: No annual deadline is stated; cases are prioritized, with backups receiving priority.

Open the official assistance information[1]

Before a sale or excavation

Sale, inspection, and permit rules

Sale or transfer inspection

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Missouri law prohibits a political subdivision from requiring a residential home inspection before sale, with listed exceptions such as new construction and occupancy-permit requirements. A general City sewer-camera point-of-sale mandate cannot be imposed as that kind of pre-sale inspection.

Next step

A buyer may still order a voluntary sewer scope. Confirm any separate occupancy process for the property with the City Building Division.

[5]

Permit and municipal inspection

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A City plumbing permit and inspection are required for sewer-lateral replacement. The permit is issued to a City-certified licensed contractor, the reviewed City page lists a $30 application fee, and work beyond five feet outside the foundation falls within the Master Drainlayer provisions.

City of St. Louis Building Division Permit Section

Verify a City-certified contractor and require the contractor to obtain the plumbing permit before excavation.

Open official permit information[3][4]

Official routes

Contacts and contractor verification

City of St. Louis Street Division

Sewer Lateral Repair Program and document submission

Phone: 314-647-3111

Email: stlstreetdept@stlouis-mo.gov

Open official department page

MSD Project Clear

Public sewer customer service

Phone: 314-768-6260

Open official department page

City of St. Louis Building Division Permit Section

Plumbing permit and contractor certification

Phone: 314-622-3313

Email: stlcitypermits@stlouis-mo.gov

Open official department page

Verify the contractor

City of St. Louis Building Division: Verify that the plumber is City-certified and licensed for the applicable Master Drainlayer work before authorizing excavation.

Check the official license source

Audit trail

Official sources and limitations

An editor reviewed these sources on 2026-07-29. Linked pages can change after review.

Sewer Lateral Repair ProgramCity of St. Louis Street DivisionRelevant section: Eligibility, $28 fee, qualifying right-of-way failures, exclusions, documentation, contact, and prioritization. Accessed 2026-07-29. Effective/expiration: No expiration stated.
Lateral LineMetropolitan St. Louis Sewer District Project ClearRelevant section: Private lateral definition, connection to public sewer, owner responsibility, and municipal-program warning. Accessed 2026-07-29. Effective/expiration: Not stated.
Plumbing PermitCity of St. Louis Building DivisionRelevant section: Sewer-lateral replacement, City-certified contractor, inspection, fee, and Permit Section contact. Accessed 2026-07-29. Effective/expiration: Not stated.
St. Louis Code section 25.04.030 — Permit classesCity of St. LouisRelevant section: Master Drainlayer classification and work beyond five feet outside the foundation. Accessed 2026-07-29. Effective/expiration: Not stated.
Missouri Revised Statutes section 436.345 — Residential home inspection restrictionsMissouri General AssemblyRelevant section: Political subdivision may not require residential home inspection before sale; listed exceptions. Accessed 2026-07-29. Effective/expiration: Effective August 28, 2024.

What still needs confirmation

The City program is not the St. Louis County program; a St. Louis mailing address alone does not establish City eligibility.
The City page does not state a dollar cap or guaranteed completion time; approved work is prioritized City repair, not an on-demand grant.
A separate occupancy process can still apply even though Missouri restricts general pre-sale home inspections.

This guide is informational, not legal, engineering, or plumbing advice. Field conditions, easements, special agreements, shared laterals, and later rule changes can alter responsibility.