609-652-0105
Small Title
Precision, Reliability and Experience
Duffy, Dolcy, McManus & Roesch
Civil Engineering, Surveying, Planning
About Us
Building Trust. Shaping Communities. Since 1976.
For nearly 50 years, our firm has been providing expert civil engineering and land surveying services with a commitment to accuracy, integrity, and client satisfaction. From plot plans to full site plans, we specialize in preparing detailed, compliant documents for municipal and state approvals—helping property owners, builders, and developers move their projects forward with confidence.
Whether you’re buying or planning a new home, a subdivision, or a commercial development, our experienced team brings decades of local knowledge and technical expertise to every job.
Reliable. Responsive. Respected.
That’s the foundation we’ve built since 1976—and it’s the one you can count on today.
Services
Land Surveys
When experience matters, turn to the team that’s been serving our community since 1976. Our land surveying team has built its reputation on accuracy, integrity, and a commitment to customer satisfaction that stands the test of time.
Whether you’re a homeowner, developer, or business owner, we provide reliable land surveying services tailored to your needs. From boundary and topographic surveys, to flood elevation certificates, and subdivision services, our experts deliver precise results you can depend on.
At the heart of our business is a simple promise: exceptional service, every client, every time. That’s why generations have trusted us to guide their projects with confidence.
Civil Engineering
Building Communities from the Ground Up.
Since our founding in 1976, we have been a trusted leader in civil engineering design, specializing in site plans, major subdivisions, and complex drainage solutions. Our experienced team blends technical expertise with practical insight to turn challenging properties into successful, sustainable developments.
Whether navigating local regulations or engineering innovative stormwater management systems, we deliver efficient, compliant, and cost-effective designs that stand the test of time. Single sites or large scale communities, we provide the precision, problem-solving, and professionalism your project deserves.
Land Planning
Navigating zoning and planning regulations isn't complicated - when you have the right team on your side. Our firm specializes in municipal and New Jersey State land planning issues. We are committed to helping our clients turn vision into reality while staying compliant every step of the way.
* ZONING AND LAND USE EXPERTISE
* MUNICIPAL PLANNING SUPPORT
* STRATEGIC DEVELOPMENT GUIDANCE
When it comes to land planning, success starts with knowledge, experience, and trust.