Cornerstone
General Contractors
Commercial Contractor Serving Central New Jersey, Southern New Jersey, Southeastern Pennsylvania & Delaware.
Our Project Expertise
Design-build
Medical Facilities/Hospitals
CHANGE OF USE
RETAIL
OFFICE
INDUSTRIAL
mULTI-FAMILY RESIDENTIAL UNITS
CHILD CARE FACILITIES
RESTURANTS
Retail Strip centers
Dental/Orthodontic offices
Our Mission Statement
Our mission is to deliver exceptional construction services through craftsmanship, integrity, and a relentless commitment to quality. We believe that the best projects are built through collaboration, and we strive to foster strong partnerships that enhance the quality of life for our employees, suppliers, and subcontractors. By working together with transparency, respect, and shared purpose, we create lasting value for our clients and the communities that we help build.
Meet Our Team
Bud Hinman
Co-Founder
Diane Hinman
Founder
What People Say About Us
Cornerstone’s team consistently goes above and beyond to ensure that projects are completed on time, within budget, and to a high standard of quality. From the initial consultation to the final walkthrough, they maintain clear communication, keeping us informed every step of the way. Their attention to detail and commitment to quality workmanship set them apart.
Chris Strom
Managing Principal
Corona Partners Real Estate
Working with the Cornerstone team has been an exceptional experience from pre-construction through final delivery. Their attention to detail, disciplined project management, and proactive communication has kept our projects on schedule and on budget. They approached challenges with solutions, not excuses, and consistently demonstrated craftsmanship that reflects pride in their work. I would confidently recommend them to any developer seeking a reliable, high-integrity prime contractor who delivers results.
Ed Webber
Parliament Companies
I don’t usually take the time to write public recommendations, but in this case it’s more than deserved. I have had the privilege of working with Cornerstone General Contractors on multiple educational commercial properties, specifically facilities designed to support children with special needs, and I can confidently say Walter Hinman and his team have exceeded expectations at every level. From the earliest design phase through final delivery, they demonstrated an exceptional level of professionalism, expertise, and care. They have handled everything from full buildouts to complex renovations, including HVAC, plumbing, electrical, painting, and finish work; all with a high standard of quality and attention to detail. What truly sets them apart, is their reliability and commitment. Every project was completed on schedule, with key milestones met and occupancy dates honored, something that is absolutely critical in Early Intervention. They communicate clearly, solve problems proactively, and consistently went above and beyond to ensure each space was safe, functional, and thoughtfully built for the children and staff who rely on it. It is rare to find a contractor who not only delivers excellent construction work but also understands the deeper impact of the environments they are helping create. Their work directly contributes to better learning and care spaces for kids who need it most, and that is something I deeply value. If you’re looking for a contractor who is dependable, detail-oriented, and truly invested in the success of your project, I highly recommend Cornerstone without hesitation.
Shavon Anderson, MBA, DirectorIt is an absolute pleasure to work with Cornerstone General Contractors LLC. Bud and his team are highly collaborative, working seamlessly with owners, consultants, and vendors to deliver an exceptional final product. Their project delivery is consistently on time and on budget, if not ahead of schedule and below budget. Bud takes a thoughtful, proactive approach to every project, carefully analyzing the scope and schedule to identify cost and time saving opportunities. He regularly proposes cost-effective material and sourcing alternatives that benefit the client without compromising quality and he goes above and beyond to ensure complete client satisfaction. Cornerstone’s craftsmanship is outstanding, with a strong attention to detail. Their commitment to quality and pride in execution are evident in every aspect of their work. Most importantly, Bud Hinman is fair, honest, and trustworthy. When you hire Cornerstone, you can be confident that your project is in capable hands and that your best interests are always the top priority.
Jamie Berg, Corona Partners Real EstateCornerstone’s team consistently goes above and beyond to ensure that projects are completed on time, within budget, and to a high standard of quality. From the initial consultation to the final walkthrough, they maintain clear communication, keeping us informed every step of the way. Their attention to detail and commitment to quality workmanship set them apart.
Chris Strom
Managing Principal
Corona Partners Real Estate
Working with the Cornerstone team has been an exceptional experience from pre-construction through final delivery. Their attention to detail, disciplined project management, and proactive communication has kept our projects on schedule and on budget. They approached challenges with solutions, not excuses, and consistently demonstrated craftsmanship that reflects pride in their work. I would confidently recommend them to any developer seeking a reliable, high-integrity prime contractor who delivers results.
Ed Webber
Parliament Companies
Our First Class Client Experince
We maintain transparency and honesty in all interactions, ensuring clients can trust us to meet our promises and uphold ethical standards.
Lasting Relationships
At Cornerstone General Contractors LLC, lasting relationships are the foundation of our work. Through clear communication, mutual respect, and a collaborative approach, we build strong partnerships with our clients, subcontractors, and team members. Every project is an opportunity to create long-term connections and deliver shared success.
Quality Outcomes
At Cornerstone General Contractors LLC, delivering quality results is the foundation of our work. We combine expert craftsmanship with practical, innovative solutions to ensure every project exceeds expectations. Our attention to detail and commitment to excellence allow us to build structures that are durable, functional, and built to stand the test of time earning the trust our clients place in us.
Utilizing Technology
At Cornerstone General Contractors LLC, we leverage modern technology to improve the construction process from start to finish. By utilizing advanced project management systems and construction tools, we enhance coordination, maintain clear communication, and increase efficiency on every project. This commitment to innovation allows us to solve challenges proactively while delivering accurate, high-quality results for our clients.
Proactive Responsiveness
At Cornerstone General Contractors LLC, responsiveness and proactive service define our client experience. By anticipating needs, addressing challenges early, and maintaining clear communication, we ensure every project progresses smoothly and efficiently. Our commitment to responsiveness gives clients confidence that their project is always in capable hands.
Collaborative Teamwork
At Cornerstone General Contractors LLC, collaboration is the foundation of our success. We value the experience and insight of every team member, creating an environment where ideas, expertise, and problem-solving come together. This collaborative approach extends to our clients and subcontractors, ensuring each project benefits from shared goals, strong communication, and a unified commitment to delivering exceptional results.
Innovative Processes
At Cornerstone General Contractors LLC, innovation drives how we work. By refining our processes and embracing new technologies and building methods, we deliver projects with greater efficiency, precision, and long-term value.
First Class Communication
At Cornerstone General Contractors LLC, communication is at the center of our process. Through clear updates, transparent scheduling, and regular progress reports, we keep clients informed and projects running smoothly.
