How Much Does Bidet Installation Cost in 2025?
Installing a bidet costs an average of $640
The average bidet installation cost is $640, with most homeowners paying between $400 and $1,500. In some cases, costs can be as low as $40 or as high as $2,000.
Factors such as bidet type, size, quality, and plumbing modifications impact the total costs.
Bidets slash toilet-paper use, trimming both your household costs and environmental impact.
Standalone units sit at the top of the price range, but wallet-friendly attachments and seats let you add the same function for less.
Proper budgeting helps you avoid unexpected expenses, and hiring a professional plumber ensures a secure installation.
This article was updated using automation technology and thoroughly reviewed for accuracy by HomeAdvisor Editor Ryan Noonan.
Bidget installation costs $640 on average, with most homeowners spending between $400 and $1,500. Your final price depends on the bidet style, parts, and any additional plumbing work. Stand-alone models sit at the high end, while simple attachments cost far less. Since this is a one-time job, establish a clear budget and hire a licensed plumber to ensure it's done correctly.
What Is a Bidet?
A bidet is a bathroom fixture or attachment that allows you to rinse clean after using the toilet. While they cost more than a standard toilet, a bidet is gentler on the planet and leaves you noticeably cleaner. Several options are available, including a low-cost portable bidet, a traditional wall-mounted or floor-mounted bidet, a bidet toilet, and a toilet seat attachment.
Bidet Installation Cost Factors
Your total bidet installation cost depends on a variety of factors. Here’s a closer look at the key cost drivers that impact your total.
Bidet Type
Bidets come in various types and styles, from affordable toilet seat attachments to standalone models and high-end smart bidet toilets. Understanding the differences can help you choose the right option for your needs and budget.
| Bidet Type | Average Cost Range |
|---|---|
| Standalone | $500–$1,500 |
| Bidet toilet | $1,200–$2,000 |
| Bidet toilet seat | $170–$650 |
| Bidet attachment | $80–$120 |
| Handheld spray nozzle | $40–$120 |
Standalone Bidet
A traditional standalone bidet will set you back $500 to $1,500. Installation and plumbing materials add roughly $220. Need new plumbing lines? Add an average of $1,180 to tie the bidet into your home’s water supply and drain.
Bidet Toilet
Bidet toilets cost between $1,200 and $2,000, including installation. Bidet toilets are combination units that feature a toilet and a bidet in one, making them ideal for compact bathrooms.
These combo units can be fairly simple, featuring only hot and cold water without extras, and these are priced at the lower end of the range. Bidet toilets offer a range of features, including Bluetooth connectivity, speakers, deodorizers, nightlights, dryers, adjustable nozzles, massage options, and more. Bidets with many added extras are priced substantially higher than the purely functional models.
Bidet Toilet Seat
Bidet toilet seats range from $170 to $650 and can be easily swapped in for your existing seat. Step-up models add perks like seat warmers and night-lights.
Bidet Attachment
Popular bidet attachments start at $80 to $120, including installation. Plan on at least $120 if you want built-in water heating.
Instead of replacing the whole seat, an attachment slips between the bowl and your toilet seat. It’s the most budget-friendly route, though you’ll trade away the extra bells and whistles.
Handheld Spray Nozzle
A handheld spray nozzle costs $40 to $120, including installation. This no-frills spray arm hooks to the toilet’s water line and tucks beside the tank when you’re done. This attachment only sprays cold water.
Labor
With most professional plumbers charging between $80 and $200 per hour, the total labor cost for bidet installation averages $220. Because your bathroom is already connected to proper water lines, the labor isn't as intensive or costly as other plumbing projects. However, if you need to install a properly vented drain—a must for bidets—this could quickly drive up the price.
The most expensive part of a bidet installation is the fixture itself. This project is twice or more the cost to install a toilet, which spans from $220 to $530.
Pros and Cons of Installing a Bidet
Bidets offer several advantages and disadvantages to consider before deciding to install one in your home.
Pros:
Reduces toilet paper use, making it environmentally friendly
Conserves water compared to toilet paper production
Offers affordable options for various budgets
High-end models provide features like washing and drying
Combination bidet toilets save space in small bathrooms
Cons:
Standalone bidets require additional space
High-end and electric models can be expensive
Cold water-only models may be uncomfortable for some users
DIY Bidet Installation vs. Hiring a Plumber
You can tackle installing some simple bidet attachments yourself, but standalone fixtures and high-end bidet toilets require the expertise of a local plumbing professional. Plumbers charge between $80 and $200 per hour. Attempting a DIY installation may lead to mistakes, and the average cost to fix a toilet is $270. Hiring a professional can help ensure proper installation and prevent potential issues.
How HomeAdvisor Gets Its Cost Data
No place is more important than your home, which is why HomeAdvisor connects homeowners with local pros to transform their houses into homes they love. To help homeowners prepare for their next project, HomeAdvisor provides readers with accurate cost data and follows strict editorial guidelines. After a project is complete, we survey real customers about the costs to develop the pricing data you see, so you can make the best decisions for you and your home. We pair this data with research from reputable sources, including the U.S. Bureau of Labor Statistics, academic journals, market studies, and interviews with industry experts—all to ensure our prices reflect real-world projects.
Frequently Asked Questions
Yes—by rinsing instead of wiping, a bidet reduces your toilet-paper habit and the resources required for every roll. Each use requires an average of 0.125 gallons of water, compared with the 37 gallons needed to produce a single roll of toilet paper. That gap shrinks your household’s water footprint and keeps extra paper out of the trash.
Swapping in a bidet seat is a quick job that a professional plumber can complete in 30 minutes. A full bidet toilet or standalone unit, however, takes two to three hours. A licensed plumber can handle the plumbing tweaks, venting, and leak checks in one visit, protecting both your floors and your warranty.
For most households, yes, installing a bidet is a worthwhile investment. A bidet helps trim your toilet paper bill, leaves you cleaner, and lightens your environmental footprint. It also gives the bathroom a modern, spa-like feel that many buyers notice when it’s time to sell. Those combined perks make the upfront cost a smart long-term play.
Most electric bidet models use a built-in heater that warms the spray on demand. Non-electric versions tap into the home’s hot-water line—usually the one feeding water to the sink—so you still get a warm rinse, though you’ll need the services of a professional plumber to run that line behind the toilet.
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