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How much does a 18x36 inground pool cost?

On average, the installation of a vinyl in-ground pool comes to approximately $104 per square foot. For instance, a small pool covering an area of 200 square feet would have an estimated cost of about $20,800. Meanwhile, a medium-sized pool encompassing 392 square feet would nearly double the expense, totaling around $40,768.

18x36 inground pool cost

Here’s a breakdown of various pool sizes and their associated costs:

Pool Size

Square Footage

Average Cost

10 x 20

200

$20,800

12 x 20

240

$24,960

12 x 30

360

$37,440

14 x 28

392

$40,768

15 x 30

450

$46,800

16 x 32

512

$53,248

18 x 36

648

$67,392

20 x 40

800

$83,200

It’s worth noting that the pool’s size can also influence its shape, with some sizes being more compatible with specific shapes, such as rectangular or L-shaped pools. The following section will delve into the various shapes of vinyl in-ground pools and other factors that impact both the initial and long-term costs of your pool project.

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Factors in Calculating Inground Pool Cost

The cost of installing an inground pool can vary, but typically falls within the range of $39,000 to $80,351, with a national average cost of approximately $57,938. A typical pool has dimensions of around 14 by 28 feet and a depth of approximately 6.5 feet. Homeowners generally budget between $50 to $125 per square foot for the pool installation. However, if you opt to include a pool house, the cost can increase to $300 or more per square foot. Additionally, the pool’s depth is a factor in pricing, with deeper pool designs tending to cost closer to $125 per square foot due to the increased materials required for excavation.

Standard pool project quotations typically encompass several components, such as delivery, installation, standard pool filtration systems, maintenance and cleaning equipment, the initial water fill, and often a basic pool decking package.

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Inground Pool Size and Configuration

The cost of inground pools, with an average of $57,938, can vary depending on their size and shape. Larger pools, typically measuring around 18 by 36 feet and featuring deep ends of 9 to 12 feet, come with an approximate price tag of $56,700. On the other hand, smaller options like plunge, spool, cocktail, and similar compact inground pools range from $17,500 to $25,200 and beyond. These petite pools are generally around 10 feet wide by 10 feet long or 12 feet by 24 feet, with depths ranging from 5.5 to 7 feet. They serve as perfect spots for refreshing dips and relaxation, and some can even be equipped with jets for lap swimming.

Regardless of their shape, budgeting for swimming pool design typically falls within the range of $90 to $160 per square foot. Some of the most popular inground pool shapes include:

  • Rectangle
  • Freeform (radius)
  • Classic (Roman or Greek)
  • Kidney
  • Circle/oval
  • L-shaped

Here’s a breakdown of pool sizes and their associated average costs:

  • 10 feet by 10 feet: $17,500
  • 12 feet by 24 feet: $25,200
  • 14 feet by 28 feet: $34,000
  • 15 feet by 30 feet: $39,400
  • 16 feet by 32 feet: $44,800
  • 18 feet by 36 feet: $56,700
  • 20 feet by 40 feet: $70,000

Inground Pool Materials

Inground pools are constructed using one of three primary materials: vinyl, fiberglass, and concrete, each with its own set of advantages and disadvantages.

Fiberglass pools are known for their low maintenance requirements, durability, and compatibility with salt systems. These pools have the lowest total cost of ownership because they are manufactured off-site and use fewer chemicals. One limitation of fiberglass pools is that their shapes cannot be customized. Typically, the cost of fiberglass pools falls within the range of $20,000 to $60,000.

Concrete pools offer full customization options and are made from a durable material. However, they come with the highest maintenance and chemical demands. Concrete pools are also not compatible with saltwater systems. The cost of a concrete pool typically ranges from $35,000 to $65,000.

Vinyl liner pools offer greater customization compared to fiberglass and are the most budget-friendly option for installation, usually ranging from $20,000 to $40,000. However, it’s important to note that the vinyl liner must be replaced every 5 to 9 years, and vinyl can become susceptible to tearing and brittleness with age.

Pool Styles

While a traditional rectangular pool with stair entry is the common image that comes to mind, there’s a wide array of pool styles and shapes to consider. For example, a lagoon pool often features a more organic shape and may incorporate elements like waterfalls, typically costing around $100,000. Homeowners seeking a pool for exercise and practicing their swimming strokes may opt for a lap pool, which is long and narrow, with an average cost of about $44,000. Below, you’ll find some popular pool styles and their typical price ranges.

18x36 inground pool cost

Pool Style

Average Cost

Spool pool

$22,650

Lap pool

$44,000

Inground pool with a hot tub

$44,000 to $90,000

Beach entry pool

$55,000

Infinity pool

$55,000 to $130,000

Lagoon-style pool

$100,000+

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Labor Costs

So, what’s the price tag for constructing an inground pool? On average, homeowners can anticipate spending approximately $19,000 on labor, which constitutes around 33 percent of the total installation expenses. The labor costs can fluctuate depending on the type of pool material chosen. For instance, the installation of a concrete pool generally requires more time compared to fiberglass. Additionally, geographic location plays a significant role in labor cost disparities, with regions having a higher cost of living typically resulting in higher labor expenses. It’s worth noting that labor costs can substantially increase if excavation involves clearing large trees or root systems. Swimming pool contractors typically charge an average rate of around $55 per hour.

Geographic Location:

The location where you plan to install an inground pool can significantly influence the overall cost. Several factors come into play:

  • Northern States vs. Warmer Climates: In northern states, you can expect to pay approximately 20 percent more for inground pool installation compared to warmer states like Texas, Arizona, or Florida. In these warmer regions, the cost of concrete pools can be on par with fiberglass pools.
  • Urban vs. Rural Areas: Building an inground pool in an expensive urban area typically comes with higher costs than in rural settings.
  • Distance from Pool Company: If the property where the pool is being constructed is located more than 50 miles away from the pool company’s office, you may incur transportation fees of around $50 for each trip.

Permits:

In addition to excavation and construction, obtaining the necessary permits is a crucial aspect of inground pool cost. Here are some permit-related considerations:

  • Building Permits: Most cities require a building permit for inground pool installation to ensure compliance with safety and construction standards. Building permits usually have a price range of approximately $450 to $1,800 per permit.
  • Electrical Permits: Depending on your location and the electrical systems involved, you may also need a separate electrical permit.
  • Permit Procurement: While pool contractors and electricians often handle permit acquisition for their work sites, homeowners have the option to undertake this responsibility.
  • Inspection: After the pool project is completed, an inspector will evaluate the installation to ensure it aligns with local building codes, ensuring safety and professional construction standards are met.

Landscaping:

Landscaping significantly contributes to the overall cost of a pool project and typically ranges from $3,000 to $5,000 on average. The cost can vary from approximately $4 to $12 per square foot, depending on the scope of work, such as adding shrubs, plants, and trees. Additionally:

  • Landscaping Rocks: Incorporating landscaping rocks into your design can incur an additional cost of about $700. Three prevalent landscaping design styles for inground pools include modern, tropical, and desert themes.
  • Retaining Wall: For homeowners aiming to create a level yard, the installation of a retaining wall is an option. The cost for a retaining wall is typically around $5,000. However, it’s advisable for homeowners with sloping yards to seek accurate pricing from local “pool contractors near me” as the price may vary based on specific site conditions.
  • Resloping the Lawn: Resloping the lawn is an alternative approach to leveling the yard, with costs averaging around $1,850. In some cases, the excavated dirt from resloping can be repurposed to level the yard, potentially saving over $1,000 on removal fees.
  • Resodding: If any grass was removed or damaged during the pool installation, resodding may be necessary, with costs ranging from approximately $0.90 to $1.80 per square foot.
18x36 inground pool cost

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FAQs:

On average, the installation of an 18×36 vinyl in-ground pool costs approximately $67,392. The cost per square foot for this type of pool installation is around $104.

Pool costs vary with size. Smaller pools, like a 10×20, cost around $20,800, while larger ones, such as a 20×40, can cost up to $83,200. The 18×36 pool size falls within the mid-range, with a cost of approximately $67,392.

Yes, the pool’s shape can influence the cost. Some shapes are more compatible with specific sizes, and custom shapes may cost more than standard rectangular or freeform designs.

Several factors impact inground pool cost, including pool size, materials, style, labor, geographic location, permits, and landscaping.

The three primary materials used for inground pools are vinyl, fiberglass, and concrete. Each material has its own advantages and disadvantages, affecting both cost and maintenance.

Labor costs typically account for around 33 percent of the total installation expenses. The type of pool material chosen and the location can influence labor costs.

Geographic location plays a significant role in pool installation costs. In general, northern states tend to have higher installation costs than warmer climates. Urban areas often have higher expenses compared to rural settings.

Most cities require building permits to ensure safety and construction standards are met. Depending on your location and electrical systems, you may also need an electrical permit. Permit procurement can be handled by contractors or homeowners.

Landscaping significantly impacts the overall cost, ranging from $3,000 to $5,000 on average. Costs vary based on factors like the scope of work, landscaping style, and the addition of features like rocks, retaining walls, and resodding.

Pool styles and features can influence costs. For example, a lagoon-style pool may cost around $100,000, while a lap pool typically costs about $44,000. Costs can vary based on your specific preferences.

Conclusion

The cost of installing an 18×36 inground pool, constructed from vinyl, can vary based on several factors. On average, the price per square foot for this type of pool installation is approximately $104. Therefore, for an 18×36 pool, which covers 648 square feet, you can expect an estimated cost of $67,392. However, it’s important to remember that the total cost of an inground pool project is influenced by various elements.

Firstly, the pool’s size and shape play a significant role in determining expenses. Larger pools, such as the 18×36 model, tend to have higher price tags, while smaller options may be more budget-friendly. The choice of pool shape, whether it’s a classic rectangle, a freeform design, or another style, can also impact costs.

Secondly, the material used for the pool’s construction is a crucial factor. Vinyl, fiberglass, and concrete each have their advantages and drawbacks, with varying price ranges. Vinyl pools are often the most cost-effective to install but require periodic liner replacement. Fiberglass pools offer low maintenance and moderate costs, while concrete pools provide customization but come with higher maintenance requirements.

Additionally, the chosen style of the pool, such as a lagoon or lap pool, can affect the price. Features like hot tubs, beach entries, infinity edges, and more can contribute to the overall cost.

Labor costs constitute a significant portion of the budget, accounting for around 33 percent of the installation expenses. Labor expenses can vary based on the pool’s material and geographic location, with certain regions commanding higher rates.

Lastly, the location where the pool is to be built can impact costs significantly. Northern states tend to have higher installation costs compared to warmer climates, and urban areas generally incur more expenses than rural settings. Additionally, if the property is situated more than 50 miles from the pool company’s office, transportation fees may apply.

Finally, permits, landscaping, retaining walls, resloping, and resodding are essential factors to consider in the overall inground pool cost. Building and electrical permits are typically required, and homeowners may need to factor in landscaping costs to enhance the pool area’s aesthetics.

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