How Much Does a Salt Water Pool Cost to Install? [2026 Data]

In 2026, the national average cost to install a salt water pool is $25,000. Most homeowners spend between $12,000 and $38,500, with key cost drivers including pool size, material type, and site excavation. If you already have a pool, converting it to a salt water system can cost as little as $500—a much smaller investment than a full new build.

Salt Water Pool Cost Factors: What Determines the Price?

Several factors shape the total cost of a salt water pool, including pool installation, the chlorination system, pool size and material, and the cost to fill it with water. Understanding each cost driver helps you prioritize where to spend and where to save before committing to a project.

Salt Water Pool Installation vs. Conversion

Whether you're putting in a new pool or converting an existing one is the single biggest factor in what you'll spend on a salt water pool. A new build requires excavation, construction, and full equipment installation, while a conversion is a much simpler and less costly process.

Installing a New Pool

The average cost of installing a salt water pool ($25,000) is slightly more expensive than the average cost of installing a chlorine pool ($23,000). Installing a brand-new pool will be a lot more expensive since you'll have to hire contractors to dig the space for the pool and build it. 

Cost of Converting a Chlorine Pool to a Salt Water Pool

In this situation, homeowners spend about $500 to $2,500 on the cost of a salt water pool chlorination system. Since the lion's share of the cost of installing a salt water pool comes down to the actual installation cost of a pool and not the water in it, you can save a lot of money by simply converting a chlorine pool into a salt water pool.

Inground vs. Above Ground Salt Water Pool

The cost to convert an above ground pool to a salt water pool is less than converting an inground pool. This is because the chlorine generator—AKA the part you'll need to swap—for an above ground pool is less expensive than that of an inground pool. That being said, it is worth browsing the inground pool companies near you to find the best possible price for converting your pool into a salt water pool.

Pool Material

Fiberglass is the most salt-friendly pool material ($9,000 to $40,000), while concrete is porous and can degrade faster with salt exposure ($50,000 to $200,000). The type of pool you choose for your inground salt water pool affects both up-front cost and long-term durability, since some materials hold up to salt water far better than others. 

Choosing the wrong material could mean costly renovation work within just a few years of installation, so this decision deserves careful thought before you commit. 

Here are the average costs by pool material:

Pool Size

Most standard pools start at 12-by-14 feet, and costs scale considerably as dimensions increase (with a range from $15,000 to $70,000). Pool size is one of the most significant drivers of installation cost, whether you're building new or converting an existing chlorine pool. Larger pools require more expensive salt water chlorinators and consume more salt on an ongoing basis, so the size you choose affects both your upfront and recurring expenses.

These costs are broken up by pool size:

Salt Water Chlorination System

A salt water chlorination system costs $500 to $2,500, with pool size being the primary factor that determines where you land in that range. Larger pools require more powerful generators, which push costs toward the higher end of that range.

Filling the Pool With Water

The cost of filling a swimming pool with water runs $90 to $270, with pool size being the main variable. Larger pools require significantly more water, which pushes costs toward the top of that range.

Site Prep

The pool excavation cost averages $3,400 but can reach as high as $20,000 depending on site conditions and accessibility. Site preparation for a salt water pool involves clearing obstacles like tree roots and large rocks, then excavating the land to create space for the pool. Difficult terrain, limited access, or heavily rooted ground can all push preparation costs significantly higher.

Pool Pump and Filter Installation

An inground salt water pool pump and filter system typically runs $700 to $1,000, while an above ground system starts at around $500 and up. A pump and filter system is essential for any salt water pool, and costs vary based on pool type. 

Location

Location affects salt water pool costs in two distinct ways: where your pool sits within your yard and the region of the country where you live. Yard placement influences site preparation costs, since difficult or hard-to-reach areas require more labor to excavate and prepare. Labor rates also vary by region, with warmer climates typically seeing higher demand for pool installation and correspondingly higher contractor rates.

Cost of Pool Salt

A 40-pound bag of pool salt runs $10 to $40, or roughly $0.25 to $0.63 per pound in bulk. Salt is an ongoing supply cost for any salt water pool, and you'll need to replenish it regularly to maintain proper water chemistry. During your initial pool conversion, plan on one bag per 2,000 gallons of water—a small pool may need just two bags, while a large pool may require seven or more.

Pool Heater

The cost of a pool heater runs $1,600 to $3,800 for a salt water pool. You'll also need to budget an additional $70 for a corrosion-resistant check valve, which is required to protect your salt water system from heater damage.

Ongoing Salt Water Pool Costs: What to Budget For

Salt water pools require regular cleaning, maintenance, and ongoing supply costs to stay in good working order. Budgeting for these recurring expenses up front helps you avoid surprises once your pool is up and running.

Salt Water Pool Maintenance Cost

How to maintain a salt water pool is simpler than most homeowners expect—adding salt is the only monthly task required. Most salt generators operate best at a concentration between 2,800 and 3,500 parts per million, so regular testing is key to keeping levels in range. Adjust salt additions based on your test results to avoid over- or under-treating the water.

Cleaning Costs

A net skimmer and a telescoping pole are all you need, and those tools cost $25 to $65 at your local home improvement store. Salt water pools are notably low-maintenance compared to traditional chlorine pools, with manual debris removal being the primary cleaning task. 

Here is a summary of common ongoing costs for a salt water pool:

What Are the Benefits of Hiring a Pool Installation Pro?

Salt water pool installation is complex, labor-intensive work that should always be handled by an experienced pool installation pro near you. The project involves excavation, plumbing, electrical work, and structural support—all of which require professional coordination to meet local codes and safety standards.

Here's why it's ideal to hire a pool installation pro

You should hire a professional for salt water pool installation for these reasons:

• Pros can help you design a pool that suits your property, meets your needs, and complies with local codes and safety regulations.

• Pool installation is a complex process that requires excavation, electrical work, plumbing, structural support, and proper backfilling.

• Pool installation is not a DIY weekend task—most pools require a coordinated crew working over several weeks.

• Contractors will handle the necessary permits and inspections.

• Trained professionals ensure your pool is installed correctly, preventing major issues such as water leaks, structural damage, and safety hazards.

• When you work with a pro, the installation will be backed by warranties.

• DIY pool installation can make it harder to sell your home.

If you want to DIY a salt water pool installation

Converting an existing chlorine pool to a salt water system is the one scenario where a DIY approach may be feasible, and it could save $300 to $500 in labor. That said, this is still complex work that requires plumbing knowledge, compatible equipment, and an understanding of the conversion process. 

Many manufacturers also require professional installation to validate the warranty, so weigh those factors carefully before deciding to go it alone:

• You have experience with plumbing and pools

• You understand the steps for the conversion

• You can acquire the necessary equipment and verify compatibility with your pump, heater, and pool materials

Even so, we recommend working with a pro for safe and proper installation. Many manufacturers require professional installation to validate the warranty, and some parts of the process, such as electrical wiring, must be performed by a licensed electrician for safety and code compliance.

Tips to Reduce the Cost of a Salt Water Pool

If you're decided on getting a swimming pool but balk at the huge cost of installing a brand-new pool, you can invest in the cost of an above ground pool instead—which is more affordable than an inground pool. You can install a salt water chlorination system for these as well.

You can also save money by being willing to scale down the pool size until it fits within your budget. Or, if a custom-shaped pool drives up the cost, you can go for a more standard-shaped rectangular pool.

Another option is to opt for a vinyl pool rather than fiberglass or concrete, which tends to be more expensive. You may have to replace it earlier, but it should still last for years.

Finally, consider holding off on some of the features you were thinking of adding along with the pool. Maybe install a spa down the road or scale down your landscaping plans.

How Angi Gets Its Cost Data

Home is the most important place on earth, which is why Angi has helped more than 150 million homeowners transform their houses into homes they adore. To help homeowners with their next project, Angi provides readers with the most accurate cost data and upholds strict editorial standards. We extensively research project costs to develop the pricing data you see, so you can make the best decisions for you and your home. We rely on 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. 

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