Renzi Masonry has over 10 years of experience and is a name you can trust and rely on for experience, high quality craftsmanship and personal service. We do all phases of masonry and concrete and can skillfully handle most projects. Call us today for an estimate. Based in Wilmington, Delaware, Renzi Masonry is an independent contracting firm serving both residential and commercial customers in the Philadelphia area. The firm specializes in natural stone and brick products. Project expertise ranges from large scale renovations to residential contracting. Any kind of masonry project you need can be skillfully handled including patios, sidewalks and driveways, chimneys, French drains, tuck-pointing, stucco, and more.