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Find Plumbing installers for a remodel or addition in Longview

Avatar for Summerson Plumbing
Summerson Plumbing
4.9(
38
)

Serving Longview, WA and surrounding areas

Approved

In business since 1997

Free estimates

Emergency services offered

"Matt and Ryan did a great job replacing our main waterline. Great communicators and project came in on budget and on time. Super happy and highly recommend!!"
1 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Granite Plumbing Services LLC
Granite Plumbing Services LLC
5.0(
2
)

Serving Longview, WA and surrounding areas

Approved

Free estimates

"We recently had our water main replaced, and the entire experience was excellent from start to finish. The communication was clear, the work was scheduled quickly, and everything was explained in a way that made us feel confident in the process. The installation itself was done professionally and efficiently. The crew showed up on time, worked hard, and kept the job site clean throughout the project. They handled everything—from excavation to tying into the main line—with precision and attention to detail. You can tell they take pride in their work. What really stood out was how smoothly everything went. There were no surprises, and the final result exceeded our expectations. Water pressure is great now, and everything is working perfectly. I would absolutely recommend their services to anyone needing a water main installation or replacement. Reliable, knowledgeable, and easy to work with—top-notch service all around."
2 neighbors recently requested a quote
Avatar for POWER PLUMBING
POWER PLUMBING
4.5(
56
)

Serving Longview, WA and surrounding areas

In business since 1985

Free estimates

Warranties offered

"Positive – Plumber performed good quality work. Negatives – Low quote seemed great on initial inspection but final bill was > x3 quoted amount. Initial job inspection/quote did not properly scope the job resulting in plumber being dispatched without standard/required tools. Customer then charged for this error at $200/hr. to source necessary tools. In future will look elsewhere for a transparent, professional plumbing outfit who arrive prepared to perform work."
Recommended by87%of homeowners
Seekins Plumbing LLC
5.0(
24
)

Serving Longview, WA and surrounding areas

In business since 2007

Free estimates

Warranties offered

"Derek and his assistant Chad are fabulous. I've never seen people work so hard. They did all of the work above in two days. They prepped day one and then connected all day two so I was only without water day two. My water heater is on a slab and many other plumbers told me I'd be unable to have new pipes to my water heater. Derek figured out a way (found a space between two walls and was able to get the pipes up through that wall). I am thrilled as I really wanted new pipes to the all important water heater. These guys are the best! I don't know the cost as it's built into my remodeling contract. They're worth every penny."
Recommended by100%of homeowners
Avatar for TECHNICAL PLUMBING INC
TECHNICAL PLUMBING INC
5.0(
76
)

Serving Longview, WA and surrounding areas

In business since 2006

Free estimates

Emergency services offered

"Both the exterior job and the interior job went perfectly. Problem found and solved quickly and neatly. Very punctual and helpful. Would definitely use Technical Plumbing again when need arises."
Recommended by100%of homeowners
Avatar for Bath Pro's NW
Bath Pro's NW
5.0(
47
)

Serving Longview, WA and surrounding areas

In business since 2016

Free estimates

Warranties offered

"Replaced with a brand new walk in shower. It’s beautiful and I am in awe. They were fast and efficient with their work. I highly recommend them. The staff was very helpful throughout the entire process."
Recommended by100%of homeowners
Avatar for Ranieri Plumbing LLC
Ranieri Plumbing LLC
5.0(
12
)

Serving Longview, WA and surrounding areas

In business since 2010

Free estimates

Emergency services offered

"These guys are one of the best in Portland! Not only highly efficient but also incredibly professional and thorough. They went above and beyond to ensure everything was done to perfection. I couldn’t be happier with the service and would highly recommend them to anyone in need of top-notch plumbing work!"
Recommended by100%of homeowners
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Showing 1-10 of 295
FAQs for plumbing installation for a remodel or addition projects in Longview, WA

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 Longview, WA 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.