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Galveston Kitchen & Bath Remodel Plumbing Guide

A kitchen or bathroom remodel is an exciting investment in your Galveston Island home, promising updated style and improved functionality. While you focus on choosing shiplap, countertops, and coastal decor, PlumbersGalveston.com ensures the plumbing behind the walls and under the floor is done right to truly bring your vision to life. Getting the plumbing right from the start is the key to a successful, long-lasting renovation that can withstand our unique island environment.

This guide will walk you through the essential plumbing considerations for your remodel in the Galveston area. We’ll cover everything you need to know to ensure your new space is not only beautiful but also efficient, safe, and compliant with all local codes and floodplain requirements.

Your Remodel Plumbing Planning Checklist

A solid plan is the foundation of a smooth project, especially on the island. Before demolition begins, use this checklist to ensure all your plumbing bases are covered.

  • Define the Scope: Are you simply replacing fixtures, or are you moving the location of a sink, toilet, or shower? A new layout requires more intensive plumbing work than a cosmetic update.
  • Understand Local Permits: Moving or adding new drain, water, or gas lines in Galveston almost always requires a permit. This ensures the work is inspected for safety and code compliance.
  • Factor in Floodplain Rules: Depending on your BFE (Base Flood Elevation), there are strict rules about what can be installed in lower levels or enclosures. All plumbing work must comply with these regulations.
  • Plan Your Shutoffs and Valves: A remodel is the perfect time to install new, easily accessible shutoff valves for every fixture. Using corrosion-resistant ball valves is a smart choice for our salty air.
  • Assess Proper Venting: Every drain needs a vent to function correctly. If you move a fixture, its vent system must be rerouted according to code, which can be complex in raised homes.
  • Check Water Pressure & Quality: The salt air in Galveston can accelerate corrosion on pipes and fixtures. Testing your water pressure and considering a whole-home filtration system can protect your investment.
  • Finalize Fixture Selections: Provide your plumber with the specification sheets for all new fixtures (faucets, sinks, tubs, toilets). This allows for precise “rough-in” placement of water and drain lines.
  • Map Out Gas Lines: If your project includes a new gas cooktop, outdoor kitchen, or tankless water heater, a licensed plumber must run the gas lines safely.
  • Confirm Appliance Hookups: Know the exact location for your dishwasher, refrigerator ice maker, and washing machine so water and drain lines can be installed in the correct spot.


Start Your Galveston Remodel with Confidence.
Our licensed plumbers specialize in kitchen and bathroom renovations on the island. We handle the complex details so you can enjoy the process. Contact us today to book now or call us at 409-812-2006.

Bathroom Remodeling Plumbing Services

Creating your dream bathroom retreat involves more than just beautiful tile. Here are the key plumbing services that ensure it functions perfectly in a coastal setting.

Relocating Drains and Vents

Moving a toilet or converting a tub to a walk-in shower is a complex job. It requires accessing the area below the floor to reroute drain and vent pipes, ensuring proper slope for drainage and full compliance with plumbing codes.

Shower Pans and Waterproofing

A leaking shower is a homeowner’s nightmare, causing rot and mold—a major concern in our humid climate. Professional installation of a new shower pan, along with a multi-layered waterproofing system, is the most critical step to prevent future leaks.

Pressure-Balancing Shower Valves

Modern plumbing codes require all showers to have pressure-balancing or thermostatic valves. These devices protect your family from scalding by automatically compensating for pressure changes when a toilet is flushed or another faucet is used.

High-Efficiency and Accessibility Options

We can help you select modern, low-flow toilets and faucets that conserve water without sacrificing performance. If you are planning for the future, we also specialize in ADA-compliant features like comfort-height toilets, walk-in tubs, and grab-bar installation.

Kitchen Plumbing Services for Your Remodel

The kitchen is the heart of your beach house, and its plumbing must be able to handle daily demands from family and guests.

Sink, Faucet, and Disposal Installation

Moving your kitchen sink, perhaps to a new island with an ocean view, requires rerouting hot and cold water lines, as well as the drain and vent. This is also the perfect time to install a new garbage disposal or upgrade to a durable, salt-air-resistant faucet.

Dishwasher and Refrigerator Water Lines

A seamless kitchen remodel integrates every appliance. We ensure your dishwasher has a dedicated water supply and air gap, and we can run a new line for your refrigerator’s ice maker and water dispenser.

Gas Lines for Ranges and Cooktops

Upgrading to a professional-style gas range is a popular choice for home chefs. Our licensed plumbers can safely run new gas lines or move existing connections, performing rigorous tests to ensure everything is leak-free and up to code.

Water Filtration and Instant Hot Water

Enhance your kitchen’s functionality with an under-sink reverse osmosis (RO) system for purified drinking water or an instant hot water dispenser for coffee, tea, and cooking.

Plumbing for Galveston Island Homes

From historic homes in the East End to raised houses in Jamaica Beach, our island’s housing presents unique plumbing considerations.

  • Pier-and-Beam vs. Slab: Most island homes are on pier-and-beam or piling foundations. This provides excellent access for rerouting pipes but also means they are more exposed to salt air and pests. Proper support and insulation are key.
  • Repiping Older Homes: If your older home has galvanized steel pipes, they are likely corroded from decades of exposure to salty, humid air. A major remodel is the ideal time to perform a whole-home repipe with modern PEX or copper to improve water pressure and prevent leaks.
  • Tankless Water Heaters: A remodel is a great time to upgrade your old tank-style water heater to a high-efficiency tankless model, saving valuable space and providing endless hot water for post-beach showers.
  • Storm Surge and Backflow: For homes in low-lying areas, installing a backwater valve on your main sewer line can provide crucial protection against sewer system backups during heavy rains or storm surge events.


Ready to Build Your Dream Kitchen or Bath?
Let our expert team handle the plumbing. We guarantee a clean job site and seamless coordination with your other contractors. Call us at 409-812-2006 to discuss your project.

Frequently Asked Questions

Do I need a permit for my plumbing remodel in Galveston?

If you are moving or altering drain, water, or gas lines, a permit from the City of Galveston is almost certainly required. This ensures the work is inspected for safety and compliance with building and floodplain codes. We can manage this process for you.

How long does the plumbing part of a remodel take?

This depends on the scope. A simple fixture swap might take a few hours. A full renovation with relocated plumbing happens in two phases: the “rough-in” (before drywall) and the “trim-out” (setting fixtures at the end), which can be spread out over several weeks.

What should I budget for remodel plumbing?

Costs vary widely based on complexity. A simple bathroom fixture update will cost significantly less than a full kitchen remodel involving moving pipes under a raised home. We provide a detailed, transparent proposal after our initial on-site consultation.

What does a plumbing inspection involve?

A city inspector will visit after the rough-in phase to verify that all new pipes are installed, supported, and tested correctly. A final inspection occurs after all fixtures are installed to ensure everything is working properly and is leak-free.

A remodel is a significant investment. Don’t compromise on the quality of the work hidden behind your walls. By partnering with an experienced, licensed Galveston plumber, you ensure your new kitchen or bathroom will be a source of pride and enjoyment for years to come.

Contact us today to book now, or call us at 409-812-2006 to get started!