Drain & Sewer Services

Black Flag Plumbing: Flagship Service, Every Job.

Professional Drain & Sewer Solutions in Rapid City, SD

When drains back up or sewer lines clog, you need a team that responds fast and gets it done right. At Black Flag Plumbing, we specialize in drain and sewer services for homes and businesses across Rapid City, SD, and surrounding areas. Whether it’s a slow drain or a complete system blockage, our licensed plumbers are available 24/7 to resolve the issue quickly and safely.

From routine cleanings to full excavations, we offer everything you need to keep your plumbing flowing.

What We Do

Our drain and sewer services are designed to tackle everything from minor annoyances to major plumbing emergencies:

Drain Cleaning

We clear grease, hair, buildup, and debris from kitchen, bathroom, and floor drains to keep water moving efficiently.

Drain Snaking

For stubborn blockages, we use mechanical snakes to break through clogs deep inside the line—fast and without damage.

Plugged & Clogged Drains

Whether it’s a backed-up sink or a standing tub, we identify and eliminate the cause of the clog quickly.

Sewer Cleaning

High-powered equipment and expert techniques are used to remove tree roots, sludge, and obstructions in your sewer lines.

Sewer & Drain Repair

From cracked pipes to collapsed lines, we repair and replace damaged sewer and drain systems using the most efficient, long-lasting methods.

General Drain Service

Routine maintenance, troubleshooting, and preventive service to keep your plumbing system healthy year-round.

Excavation

When underground repairs are necessary, we provide professional excavation and trenching services with minimal disruption to your property.

We find and fix leaks before they cause expensive damage. Whether it’s behind a wall or under a slab, we’ll stop the leak and make it right.

Signs You Need Drain or Sewer Service

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Gurgling sounds in toilets or drains

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Foul odors from sinks or shower drains

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Multiple slow drains at once

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Backups in toilets, tubs, or floor drains

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Water pooling around cleanouts or in the yard

If you’re experiencing any of these issues, don’t wait—it could be a sign of a deeper sewer problem.

Why Choose Black Flag Plumbing?

We know plumbing problems don’t follow a schedule. That’s why we’re ready day or night with fast response times and trusted service. When you call us, you get more than just a repair—you get a reliable partner who’s committed to protecting your home or business.

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24/7 Emergency Drain & Sewer Response

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State-of-the-Art Tools & Techniques

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Licensed, Insured, and Experienced Techs

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Transparent Pricing—No Hidden Fees

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Full Residential & Commercial Service

Schedule Drain or Sewer Service Today

Blocked drain? Sewer backup? We’re ready when you are. Contact Black Flag Plumbing for professional drain and sewer services in Rapid City, SD—available day or night.

(605) 646-7305