Delaware · Gunite & Concrete Pool Builders · Updated 2026
Compare 9 gunite pool builders serving Wilmington for concrete pool construction. Ratings, review counts, contact details and 2026 planning prices for shells, spas and finishes are below.
Ordered by customer rating and review count across the Wilmington area. Listings include the available rating, contact details and location; confirm current credentials and scope directly.
Since 1958, Budd Pools & Spas has been a trusted name in swimming pools, spas, and outdoor living throughout South Jersey and the Greater Philadelphia area....
Planning a new pool as well? The Wilmington pool builders directory ranks all 18 builders in the area.
A mid-size gunite pool (about 16×32) with a standard plaster finish in Wilmington typically runs $79,000–$126,000. Spas, premium finishes, features and decking are where custom pools climb from there:
| Job | Typical Wilmington price |
|---|---|
| Small gunite pool (about 12×24), plaster finish | $58,000–$84,000 |
| Mid-size gunite pool (about 16×32) | $79,000–$126,000 |
| Large or elaborate custom pool | $126,000–$262,500+ |
| Attached gunite spa with spillover | $16,000–$37,000 |
| Pebble or quartz finish upgrade | $5,500–$12,500 |
| Tanning ledge or beach entry | $3,000–$8,500 |
| Water features, lighting, fire bowls | $2,000–$16,000 |
| Decking and coping | $8,500–$26,500 |
| Rock or hard-dig excavation allowance | $3,000–$16,000 |
| Permits, engineering, soils report | $800–$4,200 |
Delaware pricing is close to the national baseline used for these estimates. Gunite bids vary more than any other pool type because every element is custom — compare the shell thickness, steel schedule, finish, feature and equipment lines, not just the bottom number.
Spas, ledges, benches, lighting niches and water features are cheapest when they are shot into the shell — adding them later means cutting concrete.
Wilmington market
4.2 average customer rating · 1126 reviews · 9 companies
See All on the Map →9 gunite pool builders serving Wilmington. The ranked companies average 4.2 stars across 1,126 customer reviews. PoolPad orders the list with a weighted score that combines customer rating and review count, so a long track record counts for more than a handful of scores.
Southern Delaware digs sand with high water tables — dewatering and hydrostatic relief are routine — while New Castle County works clay-loam Piedmont edges. Flat lots keep site work simple by regional standards, and coastal builds spec corrosion-resistant equipment. Vinyl liner and fiberglass carry the volume, gunite leads the high end near the beaches, and salt systems are close to default. Pool-plus-screened-porch combos fit the coastal lifestyle build.
For statewide rankings, city counts and Delaware prices, see the Delaware gunite pool builders directory, or check the nearby cities below.
Ask for the shell engineering and the gunite crew's track record, read the structural, finish and equipment warranties separately, and compare at least three itemized bids for the same design. Delaware licenses contractors at the state level and counties run the permitting — Sussex, Kent, and New Castle each with their own rhythm — covering pool, electrical, and residential-code barriers. Beach-community HOAs add architectural review on many lots; sequence it early.
A mid-size gunite pool with a plaster finish in Wilmington, DE typically runs $79,000–$126,000; small pools run $58,000–$84,000 and large custom designs $126,000–$262,500+. An attached spa adds $16,000–$37,000, a pebble or quartz finish $5,500–$12,500, and decking $8,500–$26,500. Delaware pricing is close to the national baseline used for these estimates.
Both are concrete sprayed over a steel cage. Gunite is a dry mix with water added at the nozzle; shotcrete is wet-mixed concrete pumped through the hose. Each produces a strong shell when applied by a good crew — the nozzleman's skill, the mix design and proper curing matter more than which method is used. Ask which your builder uses and what thickness is specified.
Plan on eight to sixteen weeks from excavation to swimming: dig and steel in the first week or two, the shell shot and cured for about four weeks, then tile, coping, plumbing, equipment, decking and finally the plaster and fill. Permits add two to eight weeks before the dig. Freezing weather pauses shell and plaster work, so most builds are scheduled for the warm months.
The concrete shell can last 50 years or more. The plaster finish lasts about 10 to 15 years (quartz and pebble 15 to 20 or more), waterline tile and coping 15 to 25 years, and equipment 8 to 15 years. Balanced water, especially calcium hardness and pH, is what protects the finish.
The outdoor season in Wilmington runs mid-May through September — about 4 months unheated. A full professional winterization each fall protects plumbing and equipment through the freeze, and spring openings cluster into the same few weeks. Mid-May through September, with coastal moderation stretching shoulders near the beaches. Winters still freeze — full winterization remains standard statewide.
Stone Castle Pools and Spas has the highest customer rating on this Wilmington list at 4.8 stars across 97 reviews. Budd Pools & Spas has the largest review count (403 reviews at 3.9 stars). PoolPad orders the list with a weighted score that combines customer rating and review count, so a long track record counts for more than a handful of scores.
Usually, for the same size: the shell is built on site, the finish is a separate trade, and custom features add up. The gap narrows for large pools and designs with spas and ledges, where fiberglass models are limited. Over 20 years a gunite pool also needs at least one resurfacing, which is part of its true cost.
Delaware licenses contractors at the state level and counties run the permitting — Sussex, Kent, and New Castle each with their own rhythm — covering pool, electrical, and residential-code barriers. Beach-community HOAs add architectural review on many lots; sequence it early.
Check gunite pool builders in cities near Wilmington, or open the Delaware directory for every listed market in the state.
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