Bathroom Remodel Plumbing: A Complete Guide for Salt Lake City Residents
A bathroom remodel is one of the most popular home improvement projects for Salt Lake City homeowners, and plumbing is at the heart of every successful renovation. Whether you are updating fixtures, expanding the layout, or gutting the room for a complete transformation, the plumbing decisions you make during a bathroom remodel in Salt Lake City determine how the space functions for years to come. This guide covers the essential plumbing considerations that keep your project on track and on budget.
Plumbing Considerations Before You Start
Smart planning before demolition begins prevents costly surprises and change orders during your remodel.
Assess Your Existing Plumbing
Before designing your new layout, have a licensed plumber inspect your existing supply lines, drain lines, and vent stack. In many Salt Lake City homes, especially those built before 1980, you may discover galvanized steel supply lines, cast iron drain pipes, or polybutylene supply lines that should be replaced during the remodel rather than buried behind new walls and tile.
Plan the Layout Around Existing Drain Locations
Moving a toilet, shower, or tub to a new location requires relocating drain lines, which is the most expensive part of any bathroom plumbing overhaul. Keeping fixtures in their current positions or close to existing drain connections saves significant money. If you do want to relocate fixtures, discuss the feasibility and cost with your plumber before finalizing the design.
Understand Permit Requirements
Salt Lake City requires building permits for plumbing work that involves adding, removing, or relocating plumbing fixtures. Your plumber or general contractor should pull the necessary permits and schedule inspections. Unpermitted plumbing work can create problems when you sell your home and may not meet current building code requirements.
- Have existing plumbing inspected before starting design
- Keep fixtures near existing drain locations to reduce costs
- Replace aging pipes while walls are open
- Pull permits for all fixture additions or relocations
- Plan water heater capacity for new fixtures
Choosing Fixtures and Features
The fixtures you select affect both the look and the plumbing requirements of your remodeled bathroom.
Toilets
Modern toilets use 1.28 gallons per flush or less, a significant improvement over older 3.5 to 5 gallon models. Low-flow and dual-flush toilets save water without sacrificing performance. If you are adding a toilet to a half bath or relocating an existing one, your plumber will need to install or extend the drain line and ensure proper venting.
Showers and Tubs
Walk-in showers have become the most requested bathroom feature in Salt Lake City remodels. Converting a tub to a walk-in shower requires reconfiguring the drain location and may involve adjusting the shower valve position. Freestanding tubs are another popular choice but require a floor-mounted drain and freestanding faucet rough-in that differs from standard tub installations.
Vanity and Sink Options
Double vanities are popular in master bathroom remodels and require two separate drain connections plus hot and cold supply lines for each sink. Wall-mounted and vessel sinks may require different rough-in heights than standard drop-in models. Discuss your vanity selection with your plumber early to ensure the rough-in dimensions are correct.
Upgrading Pipes During Your Remodel
A bathroom remodel is the ideal time to upgrade aging plumbing that is normally hidden behind walls.
Replace Galvanized and Polybutylene Pipes
If your Salt Lake City home has galvanized steel supply lines or polybutylene pipes, replacing them during a remodel is strongly recommended. Galvanized pipes corrode from the inside, restricting flow and contaminating water with rust. Polybutylene, common in homes built between 1978 and 1995, is prone to sudden failure. Modern copper or PEX piping is more durable and provides better water flow.
Add Shut-Off Valves
Install individual shut-off valves for each fixture during the remodel. This allows you to isolate a toilet, sink, or shower for future repairs without turning off water to the entire house. Many older Salt Lake City homes lack individual fixture shut-offs, making this a valuable upgrade.
Frequently Asked Questions
How much does bathroom remodel plumbing cost in Salt Lake City?
Plumbing costs for a bathroom remodel in Salt Lake City vary based on scope. Replacing fixtures in their existing locations typically costs $1,500 to $3,000 for labor. Relocating fixtures adds $1,000 to $3,000 per fixture depending on the distance moved and accessibility. A complete replumb of a bathroom may run $3,000 to $6,000. Get a detailed estimate from your plumber based on your specific project plan.
Do I need a permit for a bathroom remodel in Salt Lake City?
Yes, Salt Lake City requires building permits for plumbing work that involves adding new fixtures, relocating existing ones, or modifying drain and vent lines. Cosmetic updates like replacing a faucet or toilet in the same location generally do not require a permit. Your contractor or plumber can advise on which parts of your project need permits.
How long does the plumbing portion of a bathroom remodel take?
The rough-in plumbing phase, including drain relocation and supply line installation, typically takes one to three days. Final fixture installation after tile and countertop work is complete takes another one to two days. Total plumbing time depends on the complexity of your layout changes and whether pipes need replacing.
Should I hire a separate plumber or use my general contractor's plumber?
Either approach works, but make sure the plumber is licensed and experienced with bathroom remodels. Some homeowners prefer hiring their own plumber to get competitive pricing and ensure a trusted professional handles the work. Others find it simpler to use their general contractor's plumbing subcontractor for easier project coordination. In either case, verify licensing and ask for references.
Contact Towers Plumbing Today
Planning a bathroom remodel in Salt Lake City? Towers Plumbing provides expert plumbing services for residential renovations throughout Salt Lake City, Provo, Draper, and Lehi. From initial assessment and rough-in work to final fixture installation, our licensed plumbers ensure your remodel's plumbing is done right the first time. Contact Towers Plumbing today to discuss your bathroom remodel plumbing needs.