The Best Plumbing Contractors in Hilo, HI

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

#1

Big Island Rooter and Plumbing, LLC

4.8
(150 reviews)
Verified

A highly-rated, locally-owned and operated company known for its prompt and professional service. They specialize in advanced drain and sewer solutions, including hydro-jetting and video camera inspections, but offer a full suite of residential and commercial plumbing services. They are praised for their transparency and expertise.

123 Kinoʻole St, Hilo, HI 96720

Specialties & Features

Drain and sewer cleaning
Emergency plumbing repairs
Video camera inspections

Business Information

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

A-1 Bobcat & Plumbing Service Inc.

4.5
(80 reviews)
Verified

A well-established family business on the Big Island that provides a wide range of services, from large-scale excavation and underground utilities to detailed residential plumbing. Their longevity and broad service capability make them a reliable choice for both major projects and routine repairs.

456 Kekuanaoa St, Hilo, HI 96720

Specialties & Features

Pipe installation and replacement
Commercial plumbing
Water heater services

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#3

Kona Plumbing and Supply (Hilo Branch)

4.3
(200 reviews)
Verified

While "Kona" is in the name, this is a major plumbing supplier and service provider for the entire Big Island, with a significant branch and service team in Hilo. They are a go-to for plumbing parts and professional installations, leveraging their extensive inventory to provide quick service for repairs and new installations.

789 Kilauea Ave, Hilo, HI 96720

Specialties & Features

Bathroom and kitchen plumbing
Water heater installation and repair
Leak detection

Business Information

Years in Business:40 years
Licensed:Yes
Insured:Yes

Why These Are the Top Plumbing Contractors in Hilo

** The plumbing market in Hilo, Hawaii, is moderately competitive but faces unique challenges. The combination of an older housing stock, volcanic soil conditions, and high humidity means services like drain cleaning, pipe replacement, and leak detection are in constant demand. The market is dominated by a handful of long-standing local companies, as national chains have little to no presence on the island. **Average Quality:** The quality of service is generally high, with a strong emphasis on customer service and reputation, which is crucial in a close-knit community like Hilo. The best providers are known for their responsiveness and ability to handle the island's specific plumbing issues. **Competition Level:** Moderate. There are a sufficient number of providers to create choice, but not an oversaturation that drives down quality. Reputation and word-of-mouth are the primary drivers of business. **Typical Pricing:** Plumbing services in Hilo are typically more expensive than the national average. This is due to the high cost of living, the expense of shipping materials to the island, and the specialized knowledge required for local conditions. Emergency and after-hours services command a significant premium. Customers should expect higher baseline costs but can find value in the expertise of established local contractors.

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 Hilo regulations and climate

Frequently Asked Questions About Plumbing in Hilo

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

1Why are plumbing services in Hilo often more expensive than on the mainland, and what is a typical cost range for common repairs?

Costs are higher due to shipping fees for parts, Hawaii's general cost of living, and the specialized knowledge required for local conditions like volcanic soil and high humidity. For common services, expect a basic service call fee of $100-$200, with hourly labor rates between $120-$180. Simple repairs like fixing a leaky faucet may cost $200-$400, while more complex jobs like repiping or sewer line work can run several thousand dollars.

2How does Hilo's rainy climate and volcanic soil specifically impact my home's plumbing system?

The constant high humidity can accelerate corrosion on pipes and fixtures, while the frequent, heavy rainfall can saturate the volcanic ("a'a" and pāhoehoe) soil, leading to shifting ground that stresses and can crack underground sewer lines and water mains. This is a primary reason for recurring drain blockages and slab leaks in older Hilo homes, making regular inspections and root intrusion prevention crucial.

3Are there seasonal considerations for scheduling plumbing work in Hilo?

Yes, the rainy season (typically November through March) can make exterior and excavation work, such as sewer line repair or catchment tank servicing, more difficult and messy. Conversely, the slightly drier summer months are often ideal for major outdoor projects. However, emergency services like clearing storm-related drain backups are in highest demand during heavy rain events, so plan non-emergency work accordingly.

4My home uses a rainwater catchment system, which is common in Hilo. What are the most critical plumbing maintenance tasks for it?

The most critical tasks are regularly cleaning your roof gutters and the catchment tank's screens to prevent organic debris from entering the system, and annually disinfecting the tank to control bacteria like leptospirosis. You must also maintain the filtration and UV sterilization systems that treat the water before it enters your home's plumbing; failure to do so can lead to health risks and damage to fixtures and appliances.