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Top-Rated Plumbing installers for a remodel or addition in Saint Petersburg - Updated Nov 2026

Garrett Plumbing Inc
4.6(
96
)
Plumbing for a Remodel or Addition - Install

Serving Saint Petersburg, FL and surrounding areas

Approved

In business since 1951

Free estimates

Emergency services offered

"Bryan from Garrett Plumbing is FANTASTIC ! I made an appointment to have a new kitchen sink & faucet installed and Bryan was here the very next day. On-time & courteous & professional & knowledgeable is how I would describe Bryan. Just an all around nice guy & gets the job done correctly the first time & in record time. I absolutely recommend Garrett Plumbing & Bryan. If you are making an appointment with Garrett I would definitely request Bryan for all of your plumbing needs. Thank you. Tommy Baker"
1 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Cass Plumbing, Inc.
Cass Plumbing, Inc.
4.3(
2,488
)
Plumbing for a Remodel or Addition - Install

Serving Saint Petersburg, FL and surrounding areas

Approved

Super Service Award Winner

In business since 1999

Free estimates

Emergency services offered

"Richard (Rich) was very knowledgeable and explained things that I did not know. He was on time, friendly and professional. He ran a line for drainage on our water softener and tested the water. He did a very good job. He answered all my questions and gave additional information on future care and the best products to use. I wish the price was lower but you pay for the best. We will definitely use Cass Plumbing again. We gave their name to a friend who needs plumbing done. Thank you."
Replacing old pump system
Backflow Device Protection
More pumps to remove
Backflow Device Protection
Steve loves high places..

+19

Response time30 mins
937 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Costa Plumbing Corp
Costa Plumbing Corp
5.0(
13
)
Plumbing for a Remodel or Addition - Install

Serving Saint Petersburg, FL and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Warranties offered

"Costa Plumbing exceeded my expectations with the installation of my new water heater. They were professional, punctual, and knowledgeable, making the entire process seamless. They took the time to answer my questions, ensured the installation was done correctly, and left my home clean and tidy. I’m thoroughly impressed with their quality of work and outstanding customer service. I would confidently recommend Costa Plumbing to anyone in need of reliable plumbing services."
Creative Shade Solutions
Creative Shade Solutions
Creative Shade Solutions
Creative Shade Solutions
Creative Shade Solutions

+4

Response time7 hrs
4 neighbors recently requested a quote
Avatar for Wowzer Plumbing
Wowzer Plumbing
5.0(
8
)
Plumbing for a Remodel or Addition - Install

Serving Saint Petersburg, FL and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

Meet Wowzer! Backed by more than 50 years of combined industry experience, we're bringing a refreshingly retro approach to service with dependable workmanship, friendly people and plenty of reasons to smile.\n

Wowzer Photo's
Wowzer Photo's
Wowzer Photo's
Wowzer Photo's
Wowzer Photo's

+4

116 neighbors recently requested a quote
Avatar for Apex Plumbing
Apex Plumbing
3.9(
19
)
Plumbing for a Remodel or Addition - Install

Serving Saint Petersburg, FL and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"We cannot say enough good things about the team at Apex Plumbing. Pricing was better than most and there were absolutely no surprises. All work and the city inspection was completed in a manner of days. The team was prompt and professional, answered all our questions and did a great job. Thanks Joe, Andrea, Chet, Austin, Brian, Nate, Bobby and Josh!"
Response time10 hrs
3 neighbors recently requested a quote
Recommended by62%of homeowners
Avatar for Fast of Florida, Inc.
Fast of Florida, Inc.
3.4(
22
)
Plumbing for a Remodel or Addition - Install

Serving Saint Petersburg, FL and surrounding areas

Approved (Corporate)

In business since 2000

Free estimates

Emergency services offered

FAST of Florida is a local heating and air conditioning, plumbing and gas and electrical company that has been in existence for over 40 years. As a family-oriented company, we employ local team members committed to providing the highest quality service. We are based in Clearwater, FL and serve all of Pinellas County, including the areas of Pinellas Park, Seminole, Bay Pines, Clearwater, Clearwater Beach, St. Petersburg, Indian Rocks Beach, Indian Shores, Redington Beach, Treasure Island, Dunedin, Safety Harbor, Oldsmar, Palm Harbor, Tarpon Springs, East Lake, West Chase, Citrus Park, Greater Northdale, Greater Carrollwood, Del Rio, East Lake-Orient Park, Palm River-Clair Mel, Progress Village, Adamsville, Apollo Beach, Feather Sound, Gandy, Lealman, Gulf Port, Seminole, Largo, Belleair, FL. We also serve most of Hillsborough County, including Tampa, Brandon, Riverview, and Wesley Chapel, FL.

5 neighbors recently requested a quote
Recommended by37%of homeowners
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FAQs for plumbing installation for a remodel or addition projects in Saint Petersburg, FL

Adding bathroom plumbing to a detached garage starts with the basic line installation cost of $900 to $1,300. On top of this base expense, you'll need to budget for each fixture. A toilet costs  $250 to $550, sinks cost $150 to $800, and a shower or bathtub costs $400 to $1,900. The project will also require ventilation, moisture-resistant materials, and possibly electrical work. Remember that these costs reflect only the plumbing aspects—additional construction, finishing, and permitting expenses will apply to complete a functional bathroom space.

While certain aspects of garage renovation might be suitable for DIY enthusiasts, plumbing installation requires professional expertise. Connecting to water and sewer systems demands specialized knowledge and equipment, and improper installation can result in severe water damage, code violations, and potential health hazards. Most municipalities require permits for plumbing modifications, and these often stipulate that licensed professionals must perform work. Consider limiting your involvement to simpler tasks like painting or basic finishing work.

The timeframe for adding plumbing to a detached garage spans one to three days for the actual plumbing work. However, this represents only the active installation period. The complete project timeline must account for planning, obtaining permits (which can take weeks depending on your locality), coordinating multiple contractors if needed, and addressing any unexpected challenges that arise during installation. Weather conditions can also impact excavation and outdoor connection work.

Adding plumbing to a detached garage will likely increase your property taxes. Tax assessors consider plumbing an improvement that enhances property value and functionality. The specific tax impact varies by location and project scope. Converting a garage into living space with plumbing facilities can trigger significant reassessment in many jurisdictions. Before proceeding with your project, consult your local tax assessor's office to understand the potential tax implications and factor this ongoing expense into your decision-making process.

The Saint Petersburg, FL homeowners’ guide to plumbing installations for a remodel or addition

From average costs to expert advice, get all the answers you need to get your job done.