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    (800) 794-3524

We Are The #1 Sewage Backup Cleanup Company On Long Island For 40 years!

Sewage Backup Overflows Are Frustrating and Disruptive

While common, sewage and storm overflows cause property owners a slew of problem and unnecessary stress.

Between the damage left behind and the threat of contamination or illness, you need a professional sewage removal service to help you restore your home or business back to its functional state.

Here at 911 Flood of Long Island, we want to help you. We have a team of emergency response professionals available to you 24/7. Our Team has the expertise, training and equipment you need for sewage backup removal, cleanup, decontamination and restoration.

No matter what you do about your sewage, make sure you keep people and pets away from any contaminated areas, turn off central air or heat, and avoid running water down drains. Also, try not to touch anything and do not attempt to remove the sewage yourself.

Contact 911 Flood of Long Island immediately if you experience a sewage backup event, we will dispatch someone to assess and quote the repair.

Featured Project

Watch our project slide progression of a Sewage Backup Cleanup on Long Island.

24/7 Sewage Backup Cleanup Emergency Service

Estimate: We will create a detailed sewage damage estimate for cleanup and property reconstruction.

Water Extraction: Once the estimate is approved, we will begin our sewage water extraction and remove any wet contents like the carpet, padding, and drywall for salvage or disposal. We will also put the property’s contents on blocks.

Sanitization: Sanitization is. Next, we will use an antimicrobial substance to protect against bacterial growth that could lead to dangerous illness.

Drying: We will begin drying and dehumidifying the flooded space using air movers, dehumidifiers, and air scrubbers. These machines will run for at least 72 hours to ensure your area is as dry as possible.

Reconstruction: Finally, we will complete property reconstruction, returning your property to its pristine, pre-flooded state.

One Hour Response

A fast response is critical. We arrive at your home or place of business on Long Island within 60 minutes.

Certified Professionals

Flag's clean-up team is committed to providing and promoting the best practices in the restoration and cleaning industry. With this in mind, we are focused on continued education and have tailored our management to give our clients the best possible service.

Insurance Claim Processor

If your homeowner's insurance policy covers the loss, Flag will bill your insurance company directly and wait for payment from them.

Exceptional Long Island Craftsmanship

Our skill and knowledge is a result of many years of education and experience, and it is because of that we can provide the service you need at the time you need it.

High-tech Equipment

We have all of the structural drying equipment and hands-on experience to handle any sewage or water damage to your property, residential or commercial.

First Choice for Sewage Damage Cleanup on Long Island

We Remediate All Sewage Damaged Surfaces

    We understand sewage removal, damage, and contamination. Here you can observe our service team taking good care of a customer and their property.

    Our assessment of the damage comes first, and we’re proud to give a thorough inspection and free estimate on every job.

    Damaged walls, carpets, ceilings and other surfaces found contaminated are removed.

    Our sanitization and dehumidification processes comes next, and each step is done with the gold standard sanitizer and executed with accuracy, ensuring the odor doesn't return.

    Finally, we will reconstruct any property necessary to your specifications in order to make sure you can put your life back together and move on from the damaging effects of sewage backup.

We'll Restore the Room Like it Never Happened

  • Our trained professionals will clean and sanitize hazardous contaminants from sewage backups.
  • We understand the severity of a sewage backup event and will promptly dispatch our an expert to assess the damage and provide an estimate.
  • From our staff to our tools, we only use the best.
  • Your needs are important, so we put you first. There’s no one size fits all fix to a sewage cleanup project.
  • We are a professional,certified, licensed and insured locally run business.
  • We maintain an A+ rating with the Better Business Bureau.
  • Our flood cleanup team is right around the corner. We're on call to service homes and businesses owners in these areas:

    Long Island
    Nassau and Suffolk Counties

    New York City
    Queens, Bronx, Brooklyn & Manhattan.

    If your property is located outside of the service map, and you believe it is in our best interest to service your project, please call 1-800-981-0265.

    911 Flood Cleanup technicians have the training and expertise to handle your restoration and flood damage cleanup needs.

    Can We Help?

    Nassau: 516.498.3524

    Suffolk 631.226.9800