Pool & Spa Cost in Seattle, WA
Estimate your pool & spa budget in Seattle with local cost data. Average costs range from $61 to $244/sq ft.
Budget
$61
per sq ft
AVERAGE
Mid-Range
$122
per sq ft
High-End
$244
per sq ft
Pool & Spa Budget Calculator — Seattle
200 sq ft800 sq ft
0% (none)25% (generous)
Estimated Total for Seattle, WA
$67,100
500 sq ft × $122/sq ft$61,000
Contingency (10%)$6,100
Total Estimate$67,100
* Estimates are based on 2026 average costs for Seattle, WA. Actual costs may vary based on specific project requirements, contractor pricing, material selections, and permit fees.
About Pool & Spa in Seattle
Inground swimming pool construction or spa installation including excavation, shell, plumbing, electrical, decking, and equipment.
Typical Duration
8–16 weeks
Cost Range (Seattle)
$61 – $244/sq ft
Frequently Asked Questions: Pool & Spa in Seattle
How much does an inground pool cost?
Inground pool installation costs $35,000–$100,000+. Vinyl liner pools are the most affordable at $35,000–$55,000. Fiberglass averages $45,000–$85,000. Concrete/gunite pools range from $55,000–$100,000+.
How long does it take to build an inground pool?
A standard inground pool takes 8–16 weeks from permit to first swim. Concrete pools take longer (10–16 weeks) than fiberglass (6–10 weeks) due to curing time.
Does a pool add value to a home?
In warm climates like Florida, Arizona, and Southern California, a pool can add 5-8% to home value. In colder climates, the ROI is lower, and some buyers see pools as a liability due to maintenance costs.
What are the ongoing costs of pool ownership?
Budget $1,200–$2,400 per year for chemicals, $500–$1,500 for cleaning service, $500–$1,000 for electricity, and $300–$700 for minor repairs. Major equipment (pump, heater) replacements run $1,500–$4,000.
How do I manage a pool construction project?
Pool construction involves multiple contractors and change orders are common due to soil conditions. Use BuildLedger to track every invoice, change order, and payment so you always know your running total.
Track Your Pool & Spa Budget
BuildLedger helps you manage contractor invoices, track payments, and keep your remodel on budget — all in one place.