24/7 Emergency Response  •  Serving NYC & Long Island  •  646-543-2242

Sewage Cleanup · Manhattan

Sewage Cleanup in Manhattan

High-rise stack backups, commercial sewage, main-line backups, we extract the Category 3 water, decontaminate, and work clean around your building.

★★★★★ 5.0 from 60+ Google reviewsIICRC-CertifiedNY State Mold License15+ Years of ExperienceLicensed & Insured

Overview

Sewage backups in Manhattan buildings

A sewage backup is Category 3 water, a biohazard, and in Manhattan a backed-up stack in a high-rise can push contaminated water into multiple apartments at once. Prewar co-ops with old main lines, street-level commercial and retail spaces, and interior basements all see it when a line clogs or a storm overwhelms the system. We extract it in protective gear, remove porous materials, and decontaminate to a safe standard, coordinating with supers and boards and keeping the work clean in occupied buildings.

What we see most in Manhattan

Why Manhattan calls All Star

  • Category 3 biohazard handled cleanly in occupied buildings
  • Clean, low-disruption work in occupied buildings
  • We coordinate with supers and boards, and document losses
  • IICRC-certified, licensed and insured

Co-ops and Condos

Who handles a stack backup in a co-op or condo?

In most Manhattan buildings, the waste stack is a common pipe, and a clog in it backs up into the lowest units on that line. The building usually handles the stack. A clogged stack often shows up first as a toilet overflow in the lowest unit. What happens inside each unit depends on the proprietary lease or the condo bylaws, and on each owner's insurance.

We work with the managing agent, the super and the unit owners at the same time. Every affected unit gets its own photos, moisture readings and scope, so the board and each insurance company can see exactly what happened where.

What about ground-floor restaurants and stores?

Grease from a restaurant kitchen is one of the most common reasons a Manhattan line backs up. When it does, it usually hits the business on the ground floor or the cellar below it. We work after hours when we can, so the business loses fewer hours. See our commercial sewage cleanup page.

Older Buildings

Why do prewar cellars back up?

Brownstones and walk-ups in Harlem, the Upper West Side, the East Village and Washington Heights often have a cellar with the boiler, the meters and a floor drain. Many still run on original cast iron drain lines and a house trap near the front wall. Cast iron rusts and cracks from the inside, and a clogged house trap backs every drain in the building up to the cellar first.

A cellar backup can also reach the boiler and the electrical. Stay out of standing sewage near either one, and let the building know right away. We extract, remove what is contaminated, treat and dry the cellar, and tell the super or the plumber what we saw on the line. When the cellar is dry, we can rebuild what had to come out.

Where We Work

Sewage cleanup across Manhattan

From the Upper East and West Sides to Harlem, Chelsea, the Village, Tribeca, and the Financial District, we cover all of Manhattan 24/7. See our full sewage cleanup process, or call 646-543-2242 any time.

Good to Know

Sewage backups in apartment buildings

In a multi-unit building, a sewage backup is rarely just one apartment's problem. A blockage in a shared stack or the building's main line tends to surface in the lowest units first, even when the clog is caused elsewhere. That makes two things important: fast containment so contamination does not spread between units, and clear documentation of what happened and where, since responsibility is often split between the resident, the owner, and the building. We work directly with supers, boards, and management to isolate the affected units, decontaminate properly, and document the loss for whatever claim or cost-sharing follows.

Questions

Answers before you call

A backed-up stack hit several apartments, can you help?

Yes. We extract and decontaminate each affected unit and document the loss for the building and insurance.

Can you work around my building's rules?

Yes. We handle board requirements and building hours and keep the work clean in occupied buildings.

Can you send a certificate of insurance to my building?

Yes. Most Manhattan buildings require one before work starts, and we can usually have it ready within a couple of hours of confirming the job.

Water came through my ceiling from the unit above. Is it sewage?

If it came from a toilet, a waste line or the stack, treat it as sewage until it is checked. Keep out of it and call us. We open the ceiling, check what is wet and handle it as a sewage job if it is.

Your property. Our priority.

Water, fire, mold, or sewage, one call starts the recovery. We show up fast and we do not leave until it is done right.

Call 646-543-2242 Request Service

Request Service

Tell us what happened

We'll call you right back, and give you a free estimate. For an active emergency, the fastest way to reach us is by phone, day or night.

24/7 Emergency Line
646-543-2242

By submitting, you agree to be contacted by All Star Restoration by phone, text, or email about your request.

Call NowRequest Service