Natural Stone in Maine

Maine Granite is historically significant. Coastal and year-round luxury home demand in Southern Maine. Strict freeze-thaw requirements. The most commonly specified natural stones in Maine are Granite, Slate. Granite and quartzite lead for exterior applications due to their freeze-thaw performance.

New England-sourced granite and slate available. Boston distributors serve Maine. SmartStones connects buyers with verified natural stone suppliers, distributors, and importers serving Maine. 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 Maine, the best-performing stones are Granite, Quartzite, Marble — selected for their low water absorption and climate compatibility.

Stone installation costs in Maine 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 (Portland, Augusta) 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.