Commercial Services
Commercial Fit-Outs & Office Renovation in NJ
Transforming bare shells and outdated commercial spaces into high-performance offices, retail storefronts, and professional facilities.
Precision commercial contracting tailored to your business timeline.
Whether you are leasing a new commercial footprint or renovating an established headquarters, 3 Diamond Group delivers turnkey commercial fit-outs across Northern New Jersey and Manhattan. We understand that in commercial construction, time is revenue. Our dedicated project directors coordinate every trade to minimize downtime and ensure strict adherence to local building codes and ADA compliance.
- Office Space Remodeling
- Retail Storefront Fit-Outs
- Medical & Dental Offices
- Structural Steel & Framing
- Custom Commercial Millwork
- Turnkey Project Management
Our Commercial Capabilities
Comprehensive commercial renovations delivered with transparent budgeting and daily site supervision.
Interior Shell Build-Outs
Complete interior construction from metal stud framing and drywall to acoustic ceilings, commercial flooring, and custom reception desks.
MEP Coordination
Seamless management of mechanical, electrical, and plumbing contractors to support commercial-grade HVAC, lighting, and specialized data cabling.
Structural Modifications
Second-story expansions, load-bearing wall removals, and heavy steel beam installations engineered for commercial facilities.
Reliable B2B contracting you can trust.
Backed by over 25 years of hands-on building experience and a BuildZoom rating of 91, our executive team Roman Pastrana Jr. and Roman Pastrana Sr. supervise every commercial jobsite directly. We maintain clean, organized workspaces and prioritize clear communication with building owners, property managers, and municipal inspectors.
Ready to plan your commercial fit-out?
Schedule an on-site consultation with our project director today.