Building an in-ground pool in Idaho typically costs around $105,000 to $122,500, depending on the pool size, materials, design features, site conditions, and customization level.
FAQ
Answers about pool cost, maintenance, safety, design, and lifespan from custom pool builders serving Boise and the Northwest
The minimum cost depends on the pool type. A basic above-ground pool may start around $6,400 to $11,000, while in-ground pools can range much higher depending on the material.
Rectangular and square pools are usually the most cost-effective shapes because they are simpler to design, require less complex labor, and make efficient use of materials and space.
The most expensive part is usually the construction phase, including excavation, framing, plumbing, electrical work, and installation of the pool shell.
The most expensive part depends on whether you mean the initial build or long-term ownership. For construction, the pool shell and excavation are usually the biggest costs. For ownership, repairs, resurfacing, equipment replacement, and maintenance can add up over time.
The cheapest way to build a pool is to choose a simple above-ground structure, avoid luxury add-ons, keep the shape basic, and use a straightforward design that reduces labor and material costs.
Filling a 50,000 litre pool would cost around $439 after increasing the cost by 75%. Actual pricing can vary depending on local water rates or delivery fees.
Concrete pools are more expensive because they require more labor, longer construction time, more customization work, and ongoing maintenance. Since concrete is porous, it often needs more brushing, chemicals, and resurfacing over time, which can make long-term ownership cost higher than fiberglass or vinyl pools.
Under normal conditions, pools usually lose about 1/4 inch of water per day from evaporation, with weekly losses often reaching up to 2 inches. Hot weather, wind, low humidity, and heavy pool activity can increase water loss.
Baking soda is commonly used to raise total alkalinity and slightly increase pH. It helps stabilize pool chemistry, reduce pH swings, protect equipment from corrosion, and support better chlorine performance.
Chlorine should be added regularly, often daily or every few days, depending on use, weather, and water test results. Many pools also need to be shocked about once a week if chlorine levels drop or the water becomes cloudy.
Yes, pools can still lose water in winter, usually around 1/4 to 1/2 inch per day depending on evaporation, weather, winterization, and pool cover conditions. Larger or sudden water drops may indicate a leak.
Common signs of an unhealthy pool include cloudy water, green or discolored water, strong chlorine odor, algae growth, slippery surfaces, eye or skin irritation, and water that does not look clear enough to see the bottom.
The five basic pool rules are: walk, don't run; no diving in shallow water; no rough play; no glass containers near the pool; and never swim alone. These rules help prevent injuries and keep the pool area safer for everyone.
The lifespan of an inground pool depends on the material. Concrete pools can last 50+ years with resurfacing and repairs, vinyl pools often last 20–30 years with liner replacements, and fiberglass pools usually last 25–30 years with minor gel coat repairs.
Pebble aggregate finishes, such as Pebble Tec, typically last around 20–30 years, making them a strong option for homeowners who want a durable pool finish. Tile finishes can last even longer, often 30+ years, with proper care.
A pool looks more expensive when it includes high-end features like elegant lighting, waterfalls, a spa or hot tub, premium tile, clean decking, modern landscaping, fire features, and a well-designed outdoor living area.
Rectangular pools are usually better for narrow yards, lap swimming, and a clean modern look. Round pools can work well in wider spaces, but they usually need more open area around them and may not fit tight or narrow yards as efficiently.
A 20,000 gallon inground pool is often around 16×32 feet, depending on the depth and shape. Larger pools, such as 18×36 feet, can hold around 25,000 gallons and are better for bigger yards or families who want more swimming space.
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