Explore commercial construction, residential building, renovation, and design-build
projects completed with quality craftsmanship, professional project management, and attention to detail.
Delivering exceptional commercial builds, high-end residential transformations, and historic restorations across the greater New York metropolitan area.

Location: New York, NY
Interior Renovation & Tenant Improvements spanning 18,000 sq. ft. of modern, open-concept corporate space.

Location: Manhattan, NY
Complete Home Transformation featuring custom millwork, architectural glazing, and structural reconfiguration.

Location: New York City
Modern Interior Upgrades engineered for high-traffic retail durability with integrated architectural lighting.

Location: Brooklyn, NY
Ground-Up Construction of a multi-unit residential property with modern structural steel framing and energy-efficient systems.

Location: Manhattan, NY
Office Modernization providing collaborative zones, executive boardrooms, and acoustic management architecture.

Location: New York City
Preservation & Structural Improvements maintaining historical landmark compliance while integrating modern safety standards.
Explore our recent portfolio of landmark commercial and historic restorations that define our commitment to structural excellence.

Precision repointing and stone stabilization preserving century-old architectural integrity with contemporary reinforcement.

Specialized heavy timber joinery restoration balancing historical authenticity with modernized load ratings.

Engineered steel underpinnings and foundation shoring executed without disruption to active civic operations.

Seamless retrofitting of high-efficiency HVAC and electrical infrastructures within complex existing envelopes.

High-finish interior architectural buildouts and custom display framing tailored to flagship retail standards.

Complete exterior terracotta and limestone restoration securing structural viability while upholding historic landmark status.
Delivering institutional-grade craftsmanship, disciplined structural management, and turnkey execution across every sector.
High-performance office complexes, retail centers, and industrial facilities built to rigorous code, budget, and schedule parameters.
Custom architectural estates and multi-unit living spaces engineered with precision finishes, structural integrity, and longevity.
A unified delivery method bridging initial concept, architectural blueprinting, and physical construction under a single contract.
Structural retrofitting, historic modernization, and commercial tenant improvements executed with minimal operational disruption.
Expert oversight controlling trade procurement, site safety compliance, QA/QC standards, and budget pacing from day one.
Heavy grading, deep foundation installation, retaining systems, and utilities infrastructure engineered for complex site conditions.
Comprehensive architectural feasibility reviews and fixed-cost scoping included.
From initial site review through final handover, Cornerstone Construction Group combines rigorous project oversight with unwavering dedication to flawless execution and complete client peace of mind.

A structured, reliable timeline designed to deliver precision craftsmanship and full accountability from start to finish.
Understanding project goals and requirements through in-depth architectural scoping and feasibility review.
Developing timelines, budgets, and project scope with complete cost transparency and milestone tracking.
Executing with rigorous quality control, strict safety standards, and proactive on-site supervision every single day.
Final inspections, meticulous quality sign-offs, and seamless client approval before final handover.
Cornerstone Construction Group proudly serves clients throughout New York City, including Manhattan, Brooklyn, Queens, the Bronx, and Staten Island. Our portfolio reflects our expertise in commercial construction, residential construction, renovations, project management, and design-build services.
Over 450+ high-value residential & commercial projects delivered with zero structural compromises and rigorous schedule adherence.
Cornerstone's precision in structural framing and structural steel installation was exemplary. The multi-phase facility was completed two weeks ahead of schedule with zero safety or compliance infractions.

Their rigorous quality control and on-site coordination kept our commercial development strictly within budget. Flawless structural execution and proactive management from groundbreaking to handover.

The engineering team met every technical benchmark under demanding timeline constraints. The craftsmanship across civil works and concrete reinforcement sets the benchmark for our future builds.

Whether you're planning a commercial development, office renovation, residential remodel, or ground-up construction project, Cornerstone Construction Group is ready to help bring your vision to life.
Direct access to licensed project engineers • Response guaranteed within 24 hours
Fully Licensed & Insured General Contractor • NYC DOB Compliant

Delivering premier architectural construction, structural engineering, and luxury renovations with enduring precision and elite craftsmanship across the region.
Headquarters:
8400 Architectural Way, Suite 400
Metropolitan Center, NY 10018
Phone: (800) 482-9104
Email: [email protected]
Mon - Fri: 7:00 AM - 6:00 PM
Sat: By Appointment Only
© 2026 Cornerstone Construction Group. All rights reserved. Precision architectural engineering, residential luxury builds, and commercial contracting. General Contractor License #GC-982341-NY.