How Much Does a Pool Cost in Delaware in 2026?
In Delaware, a gunite pool averages $79,000, fiberglass averages $61,000, and vinyl liner pools average $50,000 — before features, decking, and site conditions. Use the free calculator below to get a personalized estimate.
Delaware Pool Cost Comparison Table (2026)
Standard 500 sq ft pool, Delaware labor index (108% of US average), permits included, decking/spa/features excluded.
| Pool Type | Avg Cost (Delaware) | $/sqft | Build Time | Lifespan | Best For |
|---|---|---|---|---|---|
| Gunite / Shotcrete | $79,000 | $89 | 12-22 weeks | 50+ years | Fully custom shape, premium finishes |
| Fiberglass | $61,000 | $65 | 3-6 weeks | 25-30 years | Fast install, low maintenance, freeze-thaw |
| Vinyl Liner | $50,000 | $38 | 4-8 weeks | Liner 7-10 yr, frame 20+ | Lowest upfront cost, simple design |
Pricing methodology: see how we calculate these costs. Machine-readable data: /pool-cost-data.json.
Pool Costs in Delaware: What You Need to Know
Delaware has a compact, mature pool market split between Wilmington's New Castle County suburbs and the resort corridor from Rehoboth to Bethany Beach. Soil and water-table issues drive much of the state's pool-build pricing.
Pool Permits and Building Code in Delaware
Delaware pool permits are issued at the county level (New Castle, Kent, Sussex) under the International Residential Code. Coastal Sussex County requires DNREC review for any pool built in a flood zone or within wetland buffer — that adds 2–4 weeks and occasionally forces fill or elevation changes. Barrier rules follow ICC: 48-inch fence, self-closing gates. Permit fees run $1,200–$2,200.
Pool Season and Climate in Delaware
Usable uncovered pool season in Delaware is early June through mid-September — about 3.5 months. Coastal Delaware gets 2–3 extra weeks of warm water due to bay temperatures. Hurricane remnants and nor'easters are the main seasonal disruptions; beach-area pools sometimes flood during storm surge, and builders often install equipment on elevated pads in Sussex County.
Soil and Site Conditions in Delaware
New Castle County sits on Piedmont clays and occasional shallow bedrock — rock isn't frequent but is possible in Wilmington's northern suburbs. Kent and Sussex counties are coastal plain sand over a very high water table. Coastal builds near Rehoboth, Lewes, and Bethany Beach almost always require dewatering during excavation, and water-table-driven float risk on fiberglass shells is a real design consideration. $3,000–$8,000 for dewatering is typical.
Metro Labor and Where Delaware Pool Costs Spike
Wilmington's New Castle County suburbs (Hockessin, Greenville, Pike Creek) are the state's most expensive pool market — prices run 10–15% above the Delaware median. The beach corridor (Rehoboth Beach, Lewes, Bethany Beach, Fenwick Island) is comparable in price due to seasonal contractor demand and dewatering costs. Kent County (Dover) is the state's most affordable area for pool builds.
Pool Builders Operating in Delaware
Anthony & Sylvan Pools operates in Delaware with a regional office serving the Wilmington and Philadelphia markets. Goodall Pools & Spas serves central Delaware. Coastal pool work in Sussex is handled by builders like Ocean Pools (Rehoboth) and East Coast Pools. Delaware draws on the larger Philadelphia/South Jersey builder pool as well.
What Affects Pool Cost in Delaware?
Cost to Build a Pool by City in Delaware (2026)
Pool costs vary within Delaware by metro labor market. Estimates below are for a standard 500 sq ft inground pool, permits included. Enter your ZIP in the calculator for a build-specific number.
| City | Gunite | Fiberglass | Vinyl |
|---|---|---|---|
| Wilmington | $82,000 | $63,000 | $52,000 |
| Dover | $79,000 | $61,000 | $50,000 |
| Newark | $79,000 | $61,000 | $50,000 |
