About Us

Black Flag Plumbing: Flagship Service, Every Job.

About Black Flag Plumbing

Reliable. Local. Built on Trust.

At Black Flag Plumbing, we’re more than just plumbers—we’re your neighbors, and we take pride in keeping homes and businesses throughout Rapid City, SD running smoothly 24 hours a day, 7 days a week.

Founded on a commitment to honest service, expert workmanship, and fast response, we’re the team people call when they need a job done right—the first time. From emergency plumbing repairs to full installations and sewer line work, we bring decades of hands-on experience and a reputation for doing what’s best for our customers.

A Local Plumbing Company You Can Count On

Plumbing issues don’t wait for business hours—and neither do we. That’s why Black Flag Plumbing is open 24/7, every day of the year, offering emergency plumbing services throughout Rapid City and the surrounding areas.

Our mission is simple:
To provide high-quality plumbing services with integrity, speed, and fair pricing—day or night.
Whether you’re facing a clogged drain, a broken water heater, or a full-scale pipe repair, you can trust that our licensed professionals will be there fast and treat your home like their own.

What Sets Us Apart

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Available 24 Hours a Day, 7 Days a Week

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Locally Owned & Operated in Rapid City, SD

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Residential & Commercial Plumbing Services

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Upfront Pricing & Honest Recommendations

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Full-Service Plumbing – From Leaks to Excavation

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Friendly, Licensed, and Experienced Technicians

We don’t just show up—we show up ready, with the tools, training, and experience to fix the issue on the spot. We understand how disruptive plumbing problems can be, which is why we work efficiently, cleanly, and with total respect for your time and space.

Rooted in the Rapid City Community

We’re proud to be part of the Rapid City community, and we’re committed to building long-term relationships based on trust and reliability. Over the years, we’ve become the go-to plumbing service for countless homeowners and small businesses looking for quality and dependability—without the big company price tag.

We’re always just a call away—and when we say 24/7, we mean it. Nights, weekends, holidays—if your plumbing can’t wait, neither will we.

Contact Black Flag Plumbing

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Location:

511 Nowlin St, Rapid City, SD 57701

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Phone:

(605) 646-7305

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Hours:

Always Open – 24/7

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We Accept:

Credit Cards, MasterCard

Let us show you what honest, dependable plumbing looks like.
Black Flag Plumbing—Local. Licensed. Always on Call.

Black flag plumbing

4.9

Based on 96 reviews

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kathy tennyson

15:01 21 Jun 25

I didn't have to wait a week! They came right away, fixed my "emergency" in short time and were very polite and professional. Will use again.

Response from the owner 20:58 21 Jun 25

thank you we appreciate it

Candace Davies

23:59 18 Jun 25

I love this place!

Response from the owner 16:53 16 Jun 25

Thank you very much we appreciate it

Jacob

20:13 18 Jun 25

Very professional and went above and beyond

Response from the owner 21:11 18 Jun 25

Thank you

Super 8 Sturgis

21:10 12 Jun 25

Fast & Excellent Service

Response from the owner 13:24 13 Jun 25

Thank you we appreciate it

Guy Roden

17:21 11 Jun 25

Black Flag are stand up company will be using them again in the future

Response from the owner 23:38 09 Jun 25

Thank you guy always happy to be of service

Racheal Hammond

11:17 10 Jun 25

Response from the owner 12:18 10 Jun 25

Thank you

Jon Stenberg

04:10 09 Jun 25

Black Flag responded quickly when needed, were pleasant and professional. The next time I need a plumber, they will be the people that I call.

Response from the owner 12:18 10 Jun 25

Always happy to be of service

Lisa Vaughan

18:23 31 May 25

Kai was very kind and patient .

Response from the owner 18:59 31 May 25

Thank you for the reveiw

RTA LLC

22:09 25 May 25

Thanks to Billy and his crew for getting us on their schedule in a timely manner and accommodating our business by working on a Saturday! We appreciate it! Thank you 🙂

Response from the owner 22:28 25 May 25

Anytime, just give us a call

Brandon Brist

00:34 22 May 25

Black Flag plumbing was very responsive and professional. Response time was very quick for a gas leak. They also replaced my water heater. Black flag was very respectful of my property, tremendous about leaving the work space clean, and very courteous. Cost is reasonable for a unremarkable professional plumber. Call them today

Response from the owner 00:40 22 May 25

Thanks brandon, as always we appreciate the kind words