Top 3 Plumbing Contractors in Koloa

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

#1

Kauai Plumbing & Supply, Inc.

4.6
(120 reviews)
Verified

A well-established, family-owned and operated plumbing contractor with deep roots in the Kauai community. They are known for their professionalism, extensive expertise in both residential and commercial systems, and a large team of licensed plumbers. They operate both a supply house and a service division, ensuring they have the right parts for the job.

2970 Kele St, Lihue, HI 96766 (Serves all of Kauai, including Koloa)

Specialties & Features

Emergency plumbing repairs
Water heater installation and repair
Commercial plumbing services

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
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#2

Aloha Plumbing Service LLC

4.8
(80 reviews)
Verified

A highly-rated, customer-focused plumbing company known for its prompt, friendly, and reliable service. They excel in responsive emergency calls and detailed repair work. Their excellent customer reviews frequently highlight their cleanliness, communication, and fair pricing.

Serves the entire island of Kauai from their base in the Lihue/Kapaa area.

Specialties & Features

Residential plumbing
Leak detection and repair
Drain cleaning and sewer services

Business Information

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

Kalaheo Plumbing Inc.

4.7
(90 reviews)
Verified

A trusted, full-service plumbing contractor located on the South Shore of Kauai, making them particularly well-positioned to serve Koloa and the Poipu area. They are known for their high-quality workmanship on new construction, renovations, and complex repair projects.

4465 Puu Rd, Kalaheo, HI 96741 (A short drive from Koloa)

Specialties & Features

Bathroom and kitchen plumbing
Pipe installation and replacement
Water heater installation and repair

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
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Why These Are the Top Plumbing Contractors in Koloa

** The plumbing market in Koloa and the broader Kauai region is moderately competitive but operates within the unique constraints of an island economy. The quality of service is generally high, as local reputation is paramount for business survival. The market consists of a handful of long-standing, multi-truck operations (like Kauai Plumbing & Supply) and several highly skilled, smaller boutique firms (like Aloha Plumbing Service). Due to Kauai's geography, most companies serve the entire island. **Competition Level:** Moderate. A few major players dominate the commercial and large residential sectors, while several excellent smaller companies compete effectively in the residential service and repair market. **Typical Pricing:** Pricing is significantly higher than the national average. This is due to the high cost of living, the expense of shipping materials and equipment to the island, and limited competition. Customers can expect higher service call fees and labor rates. However, the top-rated providers justify these costs with expertise, reliability, and quality workmanship, which is critical given the potential for water damage in a humid climate. **Key Differentiators:** The most successful providers distinguish themselves through 1) **Responsiveness** for emergencies, 2) **Transparent and communicative** service, and 3) **Master-level expertise** in dealing with both modern systems and the older plumbing common in some of Kauai's homes.

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 Koloa regulations and climate