One team, from the first decision to the last
Most firms enter a project after the hard early decisions are already made, and inherit whatever risk those decisions created. We start before design is locked, while the budget and the approvals can still be shaped, and stay accountable through construction and turnover. One team holds the budget, the schedule, and the quality standard from the first feasibility question to the certificate of occupancy.
What We Do
WHY CORNERSTONE
Built to keep projects under control
Trusted across the region
Owners and developers across New Jersey and beyond rely on Cornerstone to take their projects from concept to completion. Our client work spans restaurants and retail, medical and dental offices, senior living and pediatric therapy, corporate space, and multi-family development.
Start with feasibility
Bring us a site, an idea, or a set of drawings. We will tell you what is feasible, what it will cost, and whether it is worth pursuing, before you are committed.
Partial Client List
What our clients are saying about us:
Frequently Asked Questions
We are a construction management and general contracting firm that takes projects from concept through certificate of occupancy, covering predevelopment, feasibility, entitlement, preconstruction, and construction.
We work across New Jersey, including Bergen, Passaic, Morris, Essex, Hudson, Union, and Somerset counties, the Hudson Valley of New York, and Florida, with select projects throughout the Northeast.
The earlier the better. Involving us before or during design lets us test the budget and the approvals path while changes are still inexpensive, which is where we save owners the most.

























