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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon84
    Verified plumbing services reviews

Top-Rated Plumbers in Washington - Updated Nov 2026

Avatar for FlowPro Plumbing LLC
FlowPro Plumbing LLC
4.5(
15
)
Faucets, Fixtures and Pipes - Repair or ReplacePlumbing for a Remodel or Addition - InstallWater Heater - Install or Replace+4 more

Serving Washington, LA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"Cody with FlowPro Plumbing did an excellent job in replacing two toilets in our home in Sunset, La. He removed the old toilets and took them away without leaving a mess. While here he also cleared a water line to the bathtub that was clogged with rust. Cody and his helper were very professional, and I would not hesitate to recommend his services."
Finished bathroom
Demo work
10 neighbors recently requested a quote
Recommended by78%of homeowners
Avatar for E Z Baths
E Z Baths
3.3(
90
)
Shower Install or ReplaceWalk In Tub - Install or ReplaceBathtub Install or Replace

Serving Washington, LA and surrounding areas

Approved

In business since 2009

Free estimates

Warranties offered

"It's been about a year since we had EZ Bathe remove a jacuzzi tup and a shower. Then custom design a one of a kind shower and a custom walk in tub. Every day we are excited to have them both. They were fabulous. They adapted everything to fit both size restrictions and size abundance."
Acrylic Showers
Acrylic Showers
Acrylic Showers
Acrylic Showers
Acrylic Showers

+47

Response time5 days
140 neighbors recently requested a quote
Recommended by73%of homeowners
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Plumbing FAQs, answered by experts

In North America, pipe measurements are listed as the nominal pipe size (NPS). This measurement refers to the outside diameter. As an example, a 1/2-inch copper pipe has an outside diameter of 5/8 of an inch. If a hardware store lists a pipe as having a 2 NPS, it means that all the pipes with this measurement have a 2 ⅜-inch outside diameter, regardless of wall thickness and inside diameter.

Replacing a shower drain P-trap costs $150 to $250 for parts and labor. Costs increase to $350 or more if your shower drain assembly is difficult to access or requires more work (like replacing pipes and fittings). If you’re a knowledgeable DIYer, a new P-trap costs $10 to $45.

The average lifespan of plumbing ranges from 20 to 100 years, primarily determined by the pipe material. For example, PEX piping can last 80 to 100 years, while copper and cast iron pipes have a lifespan of 50 to 100 years. Other materials like CPVC, brass, and steel typically last between 50 and 70 years, and galvanized steel pipes have a shorter lifespan of up to 50 years. The longevity of any pipe material is also affected by factors like soil acidity, extreme temperatures, and proper maintenance, which is crucial for ensuring a long service life.

Professionals use snakes, hydrojetting, or chemical cleaners to clear blockages effectively without damaging pipes.

The first rule of plumbing is nothing but water, toilet paper, number one, and number two go down the drain. 

To prevent clogs, get yourself:

  • A compast pail where you can clean plates, drain grease, and toss scraps and paper towels. 

  • Drain screens for the shower, tub, and bathroom sink to stop hair, jewelry, toys, etc. from going down the drain.

  • Trash cans for everything that shouldn’t go down the drain, like dental floss, hygiene products, and cat litter.

P.S.: If you do drop your priceless ring down the drain, take a deep breath, and then follow these steps to retrieve jewelry from your drain.

The Washington, LA homeowners’ guide to plumbing services

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