How Much Does Bidet Installation Cost?

Installing a bidet costs $640 on average in 2025, with typical prices ranging from $400 to $1,500. The final cost depends mainly on the type of bidet you choose and whether you need new plumbing lines. Stand-alone bidets are the most expensive ($500-$1,500), while basic attachments are more affordable ($80-$120).

Professional installation adds about $220 to the total cost, but many modern bidet options are simple enough for DIY installation, which can save you money. Your location, existing bathroom setup, and chosen features will also influence the final price.

Average Bidet Installation Costs in 2025

Understanding bidet installation costs helps homeowners make informed decisions about upgrading their bathroom fixtures. The total investment varies significantly based on several key factors, from the type of bidet you choose to your location and existing bathroom setup.

What Affects the Total Cost

The upfront cost of installing a bidet depends primarily on the model you select and your bathroom’s current configuration. Installation and plumbing materials, labor costs, and whether you need dedicated plumbing lines all influence the final price. Smart toilets and luxury models with features like heated seats, temperature control, and night lights typically cost more than basic units.

Cost Factors Table:

Typical Price Ranges by Region

Installation costs vary significantly by location, with professional plumbers charging different rates across regions. Urban areas generally see higher labor costs than rural locations. The Northeast and West Coast typically have the highest installation rates, while the Midwest and Southern states often offer more competitive pricing.

Additional Costs to Consider

Beyond the basic bidet price, several additional costs may apply. If your bathroom requires new plumbing lines or an electrical outlet installed for advanced bidet functions, these expenses can add up. A ground fault circuit interrupter is mandatory for electric models, and some installations require professional installation permits.

Cost Breakdown by Bidet Type

The bidet type you choose significantly impacts both the initial purchase price and installation costs. From simple attachments to full bidet toilet combinations, each option offers different features and requires varying levels of installation complexity.

Bidet Types and Costs Table:

Stand-Alone Bidet Costs

A standalone bidet represents the traditional approach to bidet installation. These floor mounted bidets require dedicated plumbing lines and significant bathroom space. While the unit cost ranges from $500-$1,500, the installation process is more complex and typically requires a professional plumber.

Bidet Toilet Combination Costs

A bidet toilet combines a regular toilet with built-in bidet functions, offering features like warm water sprays, air dryers, and personal hygiene settings. These units cost between $1,200-$2,000 and often include advanced features like water pressure control and toilet paper saving capabilities.

Bidet Seat Replacement Costs

Bidet toilet seat installation offers a middle-ground solution. These units replace your existing toilet seat and connect to your toilet’s water supply. Prices range from $170-$650, depending on features like hot water connection and remote controls.

Basic Bidet Attachment Costs

A bidet attachment provides an economical option for adding bidet functionality to your existing toilet seat. These devices typically cost between $80-$120 and connect to your toilet’s water line, offering both cold water and warm water options in some models.

Handheld Sprayer Costs

The handheld spray nozzle represents the most affordable bidet option, ranging from $40-$120. These units attach to your toilet tank and provide basic cleaning functions without requiring significant modifications to your bathroom fixtures.

Installation Costs by Plumbing Needs

The plumbing requirements for your bidet installation can significantly impact the overall cost. Whether you’re installing a standalone bidet or adding a bidet attachment to your existing toilet, understanding the plumbing needs is crucial for accurate budget planning.

Plumbing Installation Costs Table:

Using Existing Plumbing Lines

Connecting a bidet to existing plumbing offers the most cost-effective solution. Most bidet toilet seats and bidet attachments can utilize your toilet’s water supply without major modifications. This approach works well for basic installations and can reduce installation costs significantly.

The process typically involves connecting to your toilet’s water line using a T-valve, which allows both the toilet tank and bidet to receive water. Professional plumbers charging standard rates can complete this work in about an hour, making it an economical choice for bidet installation.

Adding New Plumbing Lines

Installing dedicated plumbing lines becomes necessary for traditional bidets and some advanced bidet functions. This more complex process requires professional installation and may involve breaking into walls or floors to run new pipes.

The cost includes labor for pipe installation, materials, and possible floor or wall repairs. A floor mounted bidet typically needs both hot and cold water lines, plus a separate drain line, which increases both material and labor costs compared to simpler installations.

Water Heater Connection Costs

Adding warm water capabilities to your bidet requires proper connection to your home’s hot water system. This enhancement improves comfort and personal hygiene while potentially reducing toilet paper usage.

Electrical Work Costs for Bidet Installation

Modern bidets often require electrical connections for features like heated seats, air dryers, and temperature control. Understanding these requirements helps prevent unexpected costs during installation.

Electrical Installation Costs Table:

Adding New Outlets

Many electric bidet seats and smart toilets require a ground fault circuit interrupter outlet near the toilet. Installing a new electrical outlet involves running wiring and ensuring proper bathroom space safety compliance.

Professional installation is mandatory for this work, as bathroom electrical work must meet specific safety codes. The process typically takes 2-3 hours and requires a licensed electrician.

Upgrading Existing Electrical

Some older bathrooms may need electrical system upgrades to support modern bidet functions. This can include updating circuit breakers or adding dedicated circuits for high-powered units.

Basic vs Luxury Model Requirements

Basic bidet attachments often need no electrical work, operating solely on water pressure. However, luxury models with features like night lights and water pressure control require proper electrical setup.

The power requirements vary significantly between basic and advanced models:

• Basic models: No electrical needs
• Mid-range units: Standard outlet (120V)
• Luxury models: Dedicated circuit recommended

Advanced features like heated seats and hot water systems require reliable power sources, making proper electrical installation crucial for optimal performance and safety.

Professional vs DIY Installation Costs

The decision between professional and DIY bidet installation significantly impacts your total project cost. While some bidet types are suitable for self-installation, others require professional expertise to ensure proper function and prevent potential issues.

Installation Cost Comparison Table:

Plumber Labor Rates

Professional plumbers charging for bidet installation typically base their rates on project complexity and time requirements. Labor costs vary by region and expertise level, with most plumbers charging between $80 and $200 per hour.

Installation and plumbing materials are usually separate from labor charges. A professional plumber typically needs 2-3 hours to install a standard bidet toilet seat or bidet attachment, while traditional bidets with dedicated plumbing lines may require 4-6 hours of work.

DIY Installation Expenses

DIY bidet installation can significantly reduce costs when working with simpler models like bidet attachments or basic bidet seats. The main expenses include installation and plumbing materials, basic tools, and any necessary adapters for your toilet’s water supply.

Most bidet attachments and toilet seat replacements can be completed with basic tools and connect directly to your existing toilet seat or water line. However, proper installation requires careful attention to prevent leaks and ensure proper water pressure.

When to Hire a Professional

Some bidet installations require professional expertise, particularly those involving electrical outlets, hot water connections, or dedicated plumbing lines. Smart toilets and floor mounted bidets typically require professional installation due to their complexity.

Long-Term Costs and Savings

While the upfront cost of a bidet may seem significant, the long-term financial benefits often justify the investment. Regular toilet users can expect considerable savings on toilet paper usage and utility bills over time.

Cost-Benefit Analysis Table:

Monthly Utility Bill Changes

Adding a bidet to your bathroom fixtures typically results in minimal increases to your water bill. The additional water usage is offset by reduced toilet paper use and fewer toilet clogs, which can lead to expensive plumbing repairs.

Basic bidet functions use minimal water, while advanced features like warm water and air dryers may slightly increase utility costs. The impact on monthly bills usually ranges from $2-$5 for standard usage.

Toilet Paper Savings

One of the most significant benefits of bidet installation is reduced toilet paper usage. Bidet users typically report 50-90% decreases in toilet paper use, leading to substantial annual savings.

A typical household can save $120-$180 annually on toilet paper costs. This reduction also promotes better personal hygiene and results in fewer toilet clogs, contributing to lower maintenance costs.

Maintenance and Repair Costs

Modern bidets are designed for durability and require minimal maintenance. Regular cleaning and occasional parts replacement represent the main ongoing expenses.

Basic maintenance tasks include:

• Cleaning nozzles and toilet bowl
• Checking water pressure settings
• Inspecting connections for leaks
• Replacing worn seals or valves

Most bidet seats and attachments last 5-7 years with proper care, while traditional bidets and full bidet toilets can last decades with appropriate maintenance.

Permits and Inspection Costs

Installing certain bidet types, particularly those requiring new plumbing or electrical work, may need proper permits and inspections. While basic bidet attachments typically don’t require permits, traditional bidets and smart toilets with complex features often do.

Permit and Inspection Cost Table:

Required Building Permits

Building permits are typically necessary when installing floor mounted bidets or full bidet toilets that require dedicated plumbing lines. The installation process for these bathroom fixtures often involves significant modifications to existing plumbing systems and may require professional installation documentation.

The permit requirements vary by location, but generally cover modifications to your toilet’s water supply, adding new plumbing lines, or installing electrical outlets for bidet functions like heated seats and air dryers.

Inspection Fees

Most jurisdictions require inspections after installing traditional bidets or complex bidet systems. This ensures proper installation of plumbing connections, water pressure settings, and ground fault circuit interrupter outlets for electric models.

A professional plumber can help navigate these requirements and ensure all work meets local standards. Inspection fees typically cover both initial and final inspections of the installation.

Code Compliance Expenses

Meeting building codes often requires additional costs beyond basic installation and plumbing materials. Smart toilets and bidets with advanced features must comply with specific electrical and plumbing regulations.

Common compliance requirements include:

• Proper water line connections
• Approved installation methods
• Correct electrical outlet placement
• Appropriate bathroom space clearances
• Suitable ventilation standards

These requirements help ensure safe operation and optimal performance of your bidet system while protecting your home’s value and safety.