To manage stormwater runoff into nearby Perkiomen Creek, they chose to install a permeable pavement system with Belgard Aqua Roc II under the main roadway and the building’s courtyard.

The average permeable pavers cost is $7,500, though homeowners could spend between $5,000 and $12,000. The type of paver, base material, installation location, labor, and maintenance costs will ...