Natural Stone in Delaware

Small but affluent market. Wilmington and surrounding suburbs have steady stone demand. The most commonly specified natural stones in Delaware are Granite, Marble, Limestone. Granite and quartzite lead for exterior applications due to their freeze-thaw performance.

Served primarily by Philadelphia and Baltimore distributors. SmartStones connects buyers with verified natural stone suppliers, distributors, and importers serving Delaware. You can search by stone type, in-stock availability, and price range to find the right supplier for your project.

Continental climate with significant freeze-thaw cycling demands dense stone with low water absorption. Granite and quartzite outperform softer stones outdoors. For exterior applications in Delaware, the best-performing stones are Granite, Quartzite, Marble — selected for their low water absorption and climate compatibility.

Stone installation costs in Delaware vary by stone type, project complexity, and region within the state. General ranges: slate and limestone $10–$22/sq ft installed; travertine and marble $14–$30/sq ft installed; quartzite and premium granite $20–$45/sq ft installed. Major metro areas (Wilmington, Dover) typically run 15–25% higher than state averages.

In cold climates, apply fresh sealer every fall before winter to protect against freeze-thaw damage. Ensure good drainage so water does not pool and freeze on stone surfaces.