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Inground Pool Installation Cost Calculator

Vinyl, fiberglass, or gunite? See the turnkey number — not just the shell price.

Quick answer

Inground pools cost $25,000–$120,000+ installed in 2026 by type: vinyl liner $25,000–$65,000, fiberglass $45,000–$100,000, concrete (gunite) $50,000–$120,000+. Heaters add $2,500–$5,000, attached spas $8,000–$15,000, and decking $8,000–$18,000 on top of pool-only quotes.

Calculator

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How it works

Pool area × type rate + features + decking

2026 installed $/sq ft: vinyl $85–$175, fiberglass $140–$230, gunite $160–$300. Heater ~$3,750, spa ~$12,000, full package ~$22,000. Concrete deck ~$6,000, pavers ~$13,000.

Ask for turnkey, not pool-only

The shell quote excludes decking, fence, electrical, and permits — often $15,000–$35,000 of the real project.

Worked example

14×28 ft fiberglass, heater, paver deck:

392 × $185 = $72,520

+ heater $3,750 + pavers $13,000

Total = $89,270

Range: $71,000 – $107,000 turnkey.

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An inground pool is most families' second-biggest purchase after the house — and quotes range from $25,000 to $150,000+ for what looks like the same rectangle of blue water. The spread isn't random: pool type, size, and the "extras" that may or may not be in the quote explain almost all of it.

This calculator prices all three pool types by square footage using 2026 installed rates, then layers on heaters, spas, and decking — so you can see the turnkey number, not just the pool-shell teaser.

How to size and spec your pool

  1. Measure your available yard: you need the pool plus 3–4 ft clearance on all sides for decking and equipment.
  2. Pick the type first — it drives 80% of the cost difference. Vinyl = budget, fiberglass = balanced, gunite = custom.
  3. Decide on heater and spa now: retrofitting a heater later costs 30–50% more than bundling it.
  4. Budget decking separately: most quotes exclude it, and it's $8,000–$18,000 of the real project.

Inground pool installation (2026 US averages)

Pool typeInstalled rangeInstall timeAnnual maintenance
Vinyl liner$25,000–$65,0002–4 weeks$1,000–$2,000
Fiberglass$45,000–$100,0001–3 weeks$500–$1,500
Concrete (gunite)$50,000–$120,000+3–5 months$2,000–$4,000
Heater add-on$2,500–$5,000——
Attached spa add-on$8,000–$15,000——

2026 installed ranges. Sources: thursdaypools.com 2026 dealer survey; havencostguide.com; hammerio.com.

Worked example: 14×28 ft fiberglass, heater, pavers

392 sq ft fiberglass pool with heater and paver decking:

  1. Pool: 392 × $185 (mid fiberglass) = $72,520.
  2. Heater: +$3,750.
  3. Paver deck: +$13,000.
  4. Total: ~$89,270; range ~$71,000–$107,000.

~$89,000 turnkey for a mid-size fiberglass pool with heater and pavers — the pool shell alone would have quoted around $55,000–$65,000.

Pro tips for inground pool installation

  • Get "turnkey" in writing: itemize decking, fence, electrical, permits, and landscaping repair.
  • Build in fall/winter in warm states — contractors discount 10–15% in the off-season.
  • A variable-speed pump ($800–$1,500) cuts energy 50–80% and is code-required in many states.
  • Salt systems ($1,500–$2,500) don't eliminate chlorine — they make it from salt. Still test weekly.
  • Check setback rules before designing: most cities require 5–10 ft from property lines.

How to use the inground pool cost calculator

Pick the pool type, enter length and width in feet, add features (heater, spa, automation), and choose decking. The calculator uses 2026 per-square-foot installed rates per type — equipment, plumbing, and electrical included — then adds your selected extras.

How inground pool cost is calculated

Total = pool area (sq ft) × type rate + features + decking. 2026 installed $/sq ft: vinyl $85–$175, fiberglass $140–$230, gunite $160–$300. Features: heater ~$3,750, attached spa ~$12,000, full package ~$22,000. Decking: concrete ~$6,000, pavers ~$13,000.

The "pool only" vs "turnkey" trap

A $45,000 fiberglass quote might be pool-only: no decking, no fence, no electrical panel upgrade, no landscaping repair. Turnkey adds $15,000–$35,000. Always ask for the line-item list — the cheapest quote is often the least complete one.

Inground pool cost example

14×28 ft (392 sq ft) fiberglass with heater and paver deck: 392 × $185 = $72,520 + $3,750 heater + $13,000 pavers = ~$89,270 mid, ranging roughly $71,000–$107,000. Same size vinyl with no extras: 392 × $130 = ~$51,000, ranging $33,000–$69,000.

Lifetime cost: the real comparison

Over 15 years: vinyl = install + 1–2 liner replacements ($3,000–$7,500 each) + $1,000–$2,000/yr maintenance. Fiberglass = install + $500–$1,500/yr, no resurfacing. Gunite = install + $2,000–$4,000/yr + one resurface ($6,000–$15,000). Fiberglass usually wins the 15-year math.

Frequently Asked Questions

How much does an inground pool cost in 2026?+
Inground pools cost $25,000–$120,000+ installed in 2026 depending on type. Vinyl liner is cheapest at $25,000–$65,000; fiberglass runs $45,000–$100,000; concrete (gunite) is $50,000–$120,000+. A typical 14×28 ft fiberglass pool averages around $65,000–$80,000 turnkey.
What is the cheapest inground pool type?+
Vinyl liner pools are cheapest upfront at $25,000–$65,000 installed. But factor in liner replacements ($3,000–$7,500 every 5–15 years) — over 15 years, fiberglass often costs less to own despite the higher $45,000–$100,000 install price, because it needs no liner or resurfacing.
How long does it take to install an inground pool?+
Fiberglass: 1–3 weeks (fastest — the shell arrives pre-made). Vinyl liner: 2–4 weeks. Concrete/gunite: 3–5 months (excavation, rebar, gunite curing, plaster, and finishes all happen on-site). Permits can add 2–8 weeks before any of that starts.
What hidden costs do pool quotes leave out?+
The big ones: decking/pavers ($8,000–$18,000), fencing (often code-required), electrical upgrades for equipment, permits ($500–$2,000+), and landscaping repair after heavy equipment tears up the yard. Always ask whether the quote is "turnkey" or "pool only."
Does an inground pool add value to a home?+
It depends on climate. In warm states (FL, TX, AZ, CA) a well-kept pool typically adds 5–8% to appraised value and speeds up sales. In cold climates the ROI is weaker — sometimes near zero — and some buyers see it as a liability. Never build a pool purely as an investment.
Fiberglass vs gunite — which is better?+
Fiberglass ($45,000–$100,000) wins on speed (weeks not months), lower maintenance ($500–$1,500/yr), and no resurfacing — but shapes are limited to factory molds. Gunite ($50,000–$120,000+) wins on customization (any shape, beach entries, vanishing edges) but costs more to maintain ($2,000–$4,000/yr) and needs resurfacing every 10–15 years ($6,000–$15,000).

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