Since 1998, Cornerstone has stood on a firm principle of providing clients personal attention and guidance on all initiatives, performing them on your behalf.

John Fox, Founder

Managing Member of Cornerstone, began his career earning a degree in Architecture from NYIT. John works diligently and untiringly with and for his clients, directing the technical, administrative and financial divisions of the firm. John possesses years of expertise in inspections and construction-related work as well as extensive knowledge of building codes and zoning laws. John also possesses skill in design through his experience in expediting designs and drafting components of building operations. This skill level, together with an unrivaled proficiency in complete project management, produces projects of the utmost quality that are unmatched in attention to detail.

Since opening Cornerstone, John and his team have continued to demonstrate and act on their knowledge of building code and zoning, having worked on a wide range of projects for both the residential and commercial sides of the construction and real estate industries.


Our Firm


Cornerstone Consulting Services of New York, LLc.
79 Bridge Street Brooklyn NY 11201 US

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Stop delaying projects and paying expensive fines.

Cornerstone is New York City's premier expediting and building code consulting firm. We have two decades of unparalleled experience with NYC building codes, which guarantees our clients receive the highest level of personal attention.

In addition to expediting paperwork, we serve as the catalysts for your construction projects. Our design expertise will make sure your designs are up to code, correcting deficiencies along the way. We even help you win approvals and comply with the law after the fact.

We are the leaders in knowledge. Know-how.


And Results.