Coli Construction
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About Coli Construction
Coli Construction operates from Mahwah, New Jersey with a perfect 5-star rating across 23 reviews. Since 1986 the company has delivered commercial and residential construction, design, and management solutions throughout Bergen and Hudson counties. Their portfolio includes tenant fitouts for Englewood Health in Englewood and office fitouts at 930 Sylvan Avenue in Engle Cliffs, demonstrating capability across healthcare and commercial sectors.
A design-build team established in 2005 distinguishes Coli from traditional general contractors, integrating project management and production management under one roof. The company emphasizes on-time performance and quality across every project scale, with constant supervision and daily progress updates for clients. Their portfolio showcases tenant fitout expertise alongside full-scale residential construction, positioning them as a versatile partner for both commercial and home projects.
Reviewers consistently highlight Dave Rave for residential projects including a second-floor addition that let one family avoid extended rental costs, and an outdoor overhang with interior trim work completed on budget. Samantha Weber described working with Dan for her med spa buildout in Warwick, New York, praising his quick quotes and availability, while Mike Delaney supervised the site and guided decisions through completion. One reviewer noted the team fixed issues without complaint and genuinely cared about client satisfaction.
What Customers Say
All 23 reviews award 5 stars, with Dave Rave named across multiple residential projects for on-time, on-budget delivery. Reviewers describe fair pricing, reliable scheduling, and a team that genuinely cares about client outcomes.
Working Hours
| SundayToday | Closed |
| Monday | 7 AM–5 PM |
| Tuesday | 7 AM–5 PM |
| Wednesday | 7 AM–5 PM |
| Thursday | 7 AM–5 PM |
| Friday | 7 AM–5 PM |
| Saturday | Closed |
Services
General Contracting (Commercial)
Full-service commercial construction including tenant fitouts and office renovations for businesses throughout New Jersey.
General Contracting (Residential)
Home construction, renovations, and additions built with on-time performance and quality craftsmanship.
Design-Build Services
Integrated project management and production management combining design and construction in a single streamlined process.
Construction Management
Quality building with on-time results, constant supervision, highest safety standards, and regular client progress updates.
Commercial Tenant Fitouts
Tenant finish services for healthcare facilities and office spaces, including specialized medical buildouts.
Residential Renovations
Interior and exterior upgrades including trim work, shiplap, basements, and functional renovations for families.
Exterior Construction
Outdoor projects including overhangs, patios, and full exterior renovations including facade updates.