Business Details
50+ Years
experience
Your Trusted Construction Partner in Central New Jersey
De Sapio Construction has been a family-owned and operated construction business since 1947, serving Central New Jersey with expertise in commercial, institutional, and industrial projects. Our hands-on management approach ensures experienced craftsmen and quality materials meet client needs, offering competitive proposals through in-house excavation, concrete, masonry, and carpentry services. With over 77 years of combined experience, we specialize in Construction Management, Design Build, and Property Maintenance while maintaining NJ SDA certification and bonding up to $22 million.Our service area spans Hunterdon, Mercer, Somerset, and Warren counties, delivering high-quality workmanship for municipal buildings, schools, churches, and infrastructure projects. We prioritize transparency, affordability, and long-term client relationships, evidenced by our 55+ completed projects and Category 5 Small Business Enterprise status.
Services
General Construction
Construction Management
Design Build
Property Management
Historic Restoration
Details
- Year established: 1947
Highlights and features
- We offer 77+ years of combined construction experience in Central New Jersey.
- Our hands-on management ensures direct oversight of every project phase.
- Competitive proposals through in-house excavation, concrete, and carpentry services.
- Bonded up to $22 million with NJ SDA certification for public projects.
- Category 5 approved Small Business Enterprise with proven industry reliability.
Associations and certifications
- NJ SDA Certified Contractor
- Small Business Enterprise Category 5
Services
General Construction
We deliver end-to-end general construction services for commercial, industrial, and institutional buildings. Our in-house teams handle excavation, concrete work, masonry, and carpentry to ensure quality control and cost efficiency. Clients benefit from competitive pricing and direct oversight from experienced project managers.
Construction Management
Our construction management ensures seamless project execution from planning to completion. We coordinate all phases, including site selection, design approval, and construction, while maintaining strict budget and timeline adherence. Clients receive transparent communication and risk mitigation throughout the process.
Design Build
We offer single-source design-build services combining architectural planning and construction. This approach streamlines decision-making, reduces costs, and accelerates timelines. Clients work directly with our architects and contractors to create customized, functional spaces tailored to their specific needs.
Property Management
Our property management services include building maintenance, repair, and snow removal for commercial, industrial, and residential properties. We ensure long-term asset value through proactive upkeep and responsive service, serving landlords and tenants across Central New Jersey.
Historic Restoration
We specialize in preserving historical structures while integrating modern functionality. Our team has restored landmarks like Phillipsburg Union Station and the Ann Reno Barn, combining traditional craftsmanship with contemporary compliance standards for lasting preservation.
People
James L. De Sapio
President
With 51 years of experience, James leads De Sapio Construction's operations. A Notre Dame architecture graduate, he oversees project management and estimation, ensuring quality craftsmanship since 1973 through both family-owned and corporate phases of the business.
Anthony De Sapio Jr.
Secretary
Anthony brings 41 years of construction expertise to De Sapio Construction. Managing field operations and estimation since 1983, he ensures seamless project execution. His technical background includes computer science education and hands-on leadership in both family and corporate business structures.
Questions
What construction services does De Sapio offer?
We provide General Contracting, Construction Management, Design Build, Historic Restoration, and Property Maintenance services for commercial, industrial, and institutional projects.
How long has De Sapio Construction been in business?
Since 1947, serving Central New Jersey as a family-owned company with over 77 years of combined industry experience.
Which areas do you serve?
We operate in Hunterdon, Mercer, Somerset, and Warren counties, with offices in Frenchtown, NJ.
Are you certified for public projects?
Yes, we're NJ SDA certified and bonded up to $22 million for state-funded construction projects.
Can you handle historic building restoration?
Yes, we've restored landmarks like Phillipsburg Union Station and the Ann Reno Barn with specialized preservation techniques.
Do you offer property maintenance services?
Yes, we manage building repairs, snow removal, and ongoing maintenance for commercial, industrial, and residential properties.
