$34,000.
You will find that the cost of an in-ground fiberglass swimming pool varies by location, shape, size, and decorative quality of the finish and surroundings. The typical 12' x 24' rectangular (288 sq.ft. of water surface area) fiberglass pool will cost around $78 per square foot.  Understanding that this is a very rough figure, you can expect to pay $25,000-50,000 for an inground pool. Of course, that’s assuming a pool of average size, in an average city with the average cost of living, average extras, and average materials. Of course, you probably aren’t average.  As a general rule, to find the average price of a fiberglass pool package of this type, take the length of the pool and add two to six thousand dollars. For example, a 30' fiberglass pool package might cost $34,000. Most people will spend another $5k-$15k in pool accessories, electrical work, patio, and fencing. Most turn-key gunite pool projects typically cost between $50,000 and $100,000. The disparity in price between concrete and fiberglass isn't in the initial cost, but the cost of owning the pool over time, which we'll discuss more detail in a minute. Vinyl Liner Pools: Initial Cost. Concrete/Gunite Concrete pools typically cost about the same as a fiberglass pool initially. When one analyzes long-term costs though, they will find a huge discrepancy. For example, concrete pools typically have to be replastered every 8-12 years. This repair usually costs between $6,000-$10,000. This is because it is not viewed within the pool industry as a permanent structure. Simply stated, a vinyl liner swimming pool is a short-term solution to a long term investment. Although its initial cost is normally $5,000-$10,000 less than a fiberglass or concrete pool, its long-term cost is often much more. With the average liner replacement costing around $4,000, one can easily make up the price difference within 10-15 years after the pool's installation As with all inground pools, the price varies dramatically depending on the options you choose. But as a very rough estimate, you might pay around $40,000 for a medium-sized fiberglass pool fully installed. This is slightly more than a gunite pool, and considerably more than vinyl. The cost of the actual pool shell is much less – perhaps $10,000-$30,000. Since fiberglass pool shells are shipped intact from the manufacturer, they tend to be easier to install than other pool types. However, if cost is the only reason you’ve eliminated fiberglass pools as an option, you might want to take another look at the numbers. You’re going to have your inground pool for a long time, so it only makes sense to take a long view of the costs. Fiberglass pools also require less chemical treatment, a major upkeep cost of any swimming pool. Because they are non-porous, fiberglass pools are also more resistant to algae. Using less chemicals could literally save you hundreds of dollars per year. However, if cost is the only reason you’ve eliminated fiberglass pools as an option, you might want to take another look at the numbers. You’re going to have your inground pool for a long time, so it only makes sense to take a long view of the costs. Concrete pools typically cost about the same as a fiberglass pool initially. When one analyzes long-term costs though, they will find a huge discrepancy. For example, concrete pools typically have to be replastered every 8-12 years. This repair usually costs between $6,000-$10,000. This is because it is not viewed within the pool industry as a permanent structure. Simply stated, a vinyl liner swimming pool is a short-term solution to a long term investment. Although its initial cost is normally $5,000-$10,000 less than a fiberglass or concrete pool, its long-term cost is often much more.
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cost for fiberglass inground pool