The Best Plumbing Contractors in Lawai, HI

Compare the highest-rated plumbing professionals in Lawai, Hawaii. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Kauai Rooter & Plumbing, LLC

4.8
(150 reviews)
Verified

A highly-rated, locally-owned and operated plumbing company known for its rapid response, especially for emergencies. They specialize in advanced drain and sewer services, including video camera inspections, and are praised for their honest diagnostics and clean work.

4435 Kikowaena St, Kalaheo, HI 96741 (Located very close to Lawai)

Specialties & Features

Drain cleaning and sewer services
Emergency plumbing repairs
Pipe installation and replacement

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Mr. Rooter Plumbing of Kauai

4.7
(200 reviews)
Verified

Part of a nationally recognized franchise with a strong local team, Mr. Rooter offers a wide range of residential and commercial services. They are noted for their professional, uniformed technicians and upfront pricing. Their service area explicitly includes the South Shore, covering Lawai.

Servicing all of Kauai from their base in Lihue, HI.

Specialties & Features

Water heater installation and repair
Bathroom and kitchen plumbing
Leak detection and repair

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Island Pump & Plumbing Service, Inc.

4.6
(80 reviews)
Verified

A well-established, full-service plumbing and pump company that has been serving Kauai for decades. They handle everything from routine repairs and fixture installations to complex water system and pressure issues, making them a go-to for both new construction and existing homes.

3127 Uahi St, Lihue, HI 96766

Specialties & Features

Residential and commercial plumbing services
Water heater installation and repair
Pipe installation and replacement

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes

Why These Are the Top Plumbing Contractors in Lawai

** The plumbing market serving Lawai, Hawaii, is characterized by a small number of dedicated, high-quality contractors who cover the entire South Shore region from bases in nearby towns like Kalaheo and Lihue. Due to Kauai's geographic isolation and the high cost of living, plumbing services are typically more expensive than the national average. The competition, while not saturated, is strong among a handful of established players who have built their reputations over many years. Customers in Lawai can expect a high level of expertise, particularly in dealing with local environmental factors such as hard water and unique soil conditions that can affect pipes and septic systems. Emergency service call-out fees are standard and can be significant, reflecting the on-call nature of the business on an island. Overall, the market offers reliable, professional service, but consumers should be prepared for premium pricing that reflects the island's logistics and the specialized skill set of the local tradespeople.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Lawai regulations and climate

Frequently Asked Questions About Plumbing in Lawai

Get answers to common questions about plumbing services in Lawai, Hawaii.

1How does Lawai's climate and soil affect my plumbing, and what specific issues should I watch for?

Lawai's tropical climate and volcanic, often corrosive soil can accelerate pipe corrosion, particularly in older galvanized steel systems. The high humidity also promotes rapid mold and mildew growth around any pipe leaks. Homeowners should be especially vigilant for signs of pinhole leaks in metal pipes and ensure their property has proper drainage to handle our intense seasonal rain, which can overwhelm and back up exterior drainage systems.

2Are plumbing service costs higher in Lawai/Kauai compared to the mainland, and what's a typical price range for common services?

Yes, costs are generally higher due to the expense of shipping materials to the island and the limited number of local providers. For common services, expect a standard service call fee of $100-$200, with hourly labor rates ranging from $120 to $200+. A simple faucet replacement might cost $250-$450, while a water heater installation typically ranges from $1,800 to $3,500+, heavily influenced by the need for permitted, earthquake-strapping compliance.

3What should I look for when choosing a plumber in Lawai to ensure they are qualified and reliable?

Always verify the plumber holds a current **Hawaii C-37 Plumbing Contractor license**, which is required by law and ensures they have passed rigorous testing. Given our remote location, choose a provider with a strong local reputation on Kauai for prompt service and clear communication, as waiting for parts or follow-up visits can be prolonged. Ask specifically about their experience with local water quality issues and cesspool-to-septic conversion regulations.

4Why is my water pressure low, and is this a common issue in Lawai homes?

Low pressure is a frequent concern here, often caused by mineral buildup (scale) from our hard water clogging aerators and showerheads, or by corrosion in older piping. It can also stem from issues with the County of Kauai water main or your property's pressure-reducing valve. Before calling a plumber, check and clean all faucet aerators; if the problem persists, a professional can diagnose whether it's an internal pipe issue or a supply-side problem requiring coordination with the county.

5Are there any seasonal plumbing considerations specific to living in Lawai that I should prepare for?

Absolutely. The winter rainy season (November-March) can saturate the ground, increasing the risk of cesspool or septic system overflow and putting pressure on exterior drainage and sump pumps. Conversely, year-round outdoor living means outdoor showers and hose bibs see constant use, making them prone to leaks and wear. It's wise to have your main drainage lines and outdoor fixtures inspected before the peak of the rainy season to prevent emergencies.