The Best Plumbing Contractors in Key Largo, FL

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

#1

All Florida Plumbing Inc. - Keys Division

4.8
(180 reviews)
Verified

A well-established, full-service plumbing company with a dedicated division for the Florida Keys. They are known for their rapid response times, especially for emergencies, and their expertise in handling both residential and commercial projects, from minor repairs to major installations.

99500 Overseas Hwy, Key Largo, FL 33037 (This is a common service area address; their main office is in Homestead)

Specialties & Features

Emergency plumbing repairs
Water heater installation and repair
Sewer and drain services

Business Information

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

Keys Plumbing LLC

4.7
(110 reviews)
Verified

A locally owned and operated plumbing contractor that serves the entire Upper Keys, including Key Largo. They pride themselves on personalized service and are highly reviewed for their honesty, fair pricing, and workmanship on kitchen and bathroom plumbing projects.

Serves Key Largo, FL (Based in the Upper Keys area)

Specialties & Features

Bathroom and kitchen plumbing
Pipe installation and replacement
Leak detection and repair

Business Information

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

Plumb Smart Inc.

4.6
(90 reviews)
Verified

Serving the Florida Keys for many years, Plumb Smart offers a comprehensive range of plumbing services. They are particularly noted for their drain and sewer cleaning capabilities, including video camera inspections, and their professional installation of water filtration systems, which is a common need in the Keys.

Serves Key Largo, FL (Based in Marathon, FL)

Specialties & Features

Drain cleaning and sewer services
Water heater installation and repair
Residential and commercial plumbing

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes

Why These Are the Top Plumbing Contractors in Key Largo

** The plumbing market in Key Largo is characterized by a mix of a few dedicated local contractors and several larger companies based in nearby keys or the mainland that actively service the area. Due to its island environment, plumbing issues can be unique, often involving saltwater corrosion, high water tables, and older infrastructure in some properties. The level of competition is moderate, but the barrier to entry is high due to the specialized knowledge required for the local environment and the cost of operating in the Keys. The average quality of service is generally high, as unreliable contractors do not last long in this close-knit community where reputation is paramount. Pricing is typically above the national average, reflecting the higher cost of living, specialized expertise needed for coastal properties, and travel costs for service providers. Emergency service call-outs, especially for issues like broken pipes or sewer backups, often command a premium due to the urgency and potential for significant property damage in the unique Keys environment. Customers are advised to verify state licensing (Certified Plumbing Contractor - CFC) through the Florida Department of Business and Professional Regulation, which all reputable providers will hold.

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 Key Largo regulations and climate

Frequently Asked Questions About Plumbing in Key Largo

Get answers to common questions about plumbing services in Key Largo, Florida.

1How does Key Largo's saltwater environment and high water table affect my home's plumbing, and what specific maintenance should I prioritize?

The salt-laden air in Key Largo accelerates corrosion on exposed pipes, fixtures, and water heater components. Furthermore, the high water table and potential for saltwater intrusion mean sewer lines and septic systems are under constant pressure and prone to infiltration. Homeowners should prioritize installing dielectric unions to prevent galvanic corrosion, schedule annual inspections for corrosion and leaks, and ensure their sump pump and backflow prevention devices are in perfect working order.

2What is the typical cost range for common plumbing services like water heater replacement or repiping in Key Largo, and why might it differ from mainland prices?

In Key Largo, costs are often 15-25% higher than mainland averages due to the "island factor"—transportation of materials and specialized labor to the Keys. A standard 50-gallon water heater replacement typically ranges from $1,800 to $2,800, while partial repiping can start at $3,500. These prices reflect the need for corrosion-resistant materials (like copper or PEX-A) and the expertise to navigate local building codes designed for hurricane zones and environmental protection.

3Are there specific local regulations or permits required for plumbing work in Monroe County/Key Largo that I should know about?

Yes, Monroe County has strict environmental and building codes. Most plumbing work beyond a simple repair requires a permit from the Monroe County Building Department. This is especially critical for work involving septic systems, which are highly regulated to protect the fragile aquifer and nearby coral reefs. Always verify your plumber is licensed in Monroe County and will pull the necessary permits, as unpermitted work can lead to significant fines and issues during a property sale.

4What should I look for when choosing a plumber in Key Largo to ensure they are qualified for our unique conditions?

First, verify they hold a valid Florida state plumbing license *and* a Monroe County competency card. Look for a company with extensive local experience, as they will understand the challenges of corrosion, high water tables, and local code nuances. Ask specifically about their experience with saltwater corrosion mitigation, sewer line repairs in sandy soil, and hurricane-related plumbing prep (like securing outdoor systems). A reliable local plumber will have proven strategies for these common island issues.

5Why is my water pressure suddenly low, and is this a common issue for Key Largo homes?

Sudden low pressure is a frequent concern here and often points to two local culprits. First, corrosion and mineral buildup inside galvanized pipes, which is accelerated by our humid climate, can severely restrict flow. Second, it could indicate a leak in the main supply line, which is a critical issue given the sandy, shifting soil and high water table that can erode pipe bedding. We recommend immediate investigation, as a leaking line can lead to soil erosion under your foundation and must be addressed promptly to prevent further damage.