Keystone Marble & Granite
217 Lisa Dr
New Castle, DE 19720 302-206-7447
New Castle, DE 19720 302-206-7447
Ratings
Consumer Ratings for Keystone Marble & Granite — 1 Ratings
Percent of customers who rated service "superior" for:
Advice on choice and use of products
Promptness of service
Quality of products
Variety of products
Ease of looking at/testing products
Reliability (standing behind products, delivering on time, etc.)
Prices
Overall quality
Consumer Comments for Keystone Marble & Granite
Jul 06, 2025