✦ Serving Collier Township✦ Hardscaping✦ Patios✦ Retaining Walls✦ Stone Steps✦ Concrete & Masonry✦ Basement Underpinning✦ Faith · Quality · Integrity ✦ Serving Collier Township✦ Hardscaping✦ Patios✦ Retaining Walls✦ Stone Steps✦ Concrete & Masonry✦ Basement Underpinning✦ Faith · Quality · Integrity
— Serving Collier Township —

Hardscaping, Masonry & Basement Underpinning in Collier Township

Collier Township's mix of Oakdale-area farmland, newer Nevillewood subdivisions, and older Carnegie-adjacent homes gives us a broad project range — from luxury hardscapes on large lots to underpinning work on century-old structures. The township's varied topography also means engineered retaining walls are a frequent ask.

Our Services in Collier Township

Hardscaping

Custom walkways, driveways, and outdoor living spaces engineered for Pennsylvania's climate.

Patios

Concrete, flagstone, travertine, and interlocking paver patios with fire pits and seating walls.

Retaining Walls

Structural segmental block, boulder, and natural stone retaining walls — fully engineered.

Stone Steps

Hand-set natural stone treads and precision-poured concrete stairs, stoops, and landings.

Concrete & Masonry

Poured foundations, slabs, brick and block work, repointing, and restoration.

Basement Underpinning

Lower and excavate existing basements to unlock full-height living space below your home.

Why Collier Township Homeowners Choose Kelley

Local Expertise

We understand Collier Township's terrain, soil conditions, and municipal requirements.

Licensed & Insured

Full liability and workers' comp — zero exposure to the homeowner.

Owner On-Site

The owner is personally on-site to oversee quality on every project.

Written Warranty

Every project backed by a written workmanship warranty.

Get a Free Estimate in Collier Township