development projects in Montgomery County, Maryland and Washington, D.C.
Can Build On.
Can Build On.





Ankie Barnes BarnesVanze Architects
CAS Engineering has no peers in the industry. As high-end residential architects with an award-winning 30-year history, we frequently rely on their expert advice. Beyond their state of the art surveying and civil engineering services, they offer excellent landuse planning and…
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Marc Fleisher The Fleisher Group
My career as a realtor now spans over 40 years and a good deal of my success can be attributed to the number of new homes and development projects that I have brokered with some of the most highly recognized and award-winning builders in the industry…
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Chris Lapp, AIA Claude C. Lapp Architects, LLC
I’ve had the distinct pleasure of working with CAS Engineering on more than 100 projects in the DC metro area. Their professionals have always helped to confront and resolve any unique challenges and obstacles that arise by offering creative and cost-effective solutions to keep…
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Doug Monsein Douglas Construction Group
I have been building homes in the close-in MoCo area for over 20 years and have built over 170 homes. For the last 15 years, I have used CAS Engineering exclusively for one simple reason – they are great at what they do! Before, during, and after construction, they are available…
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Sean Ruppert OPaL Custom, LLC
The entire team at CAS possesses three qualities I find so rare in consultants today. They are incredibly knowledgeable of the DC government’s process, equally passionate about their profession, and they care as much about our success as their own…
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Jodi Longo and Dejan Bujak Renovation Studio
With over 15 years in construction and dealing with hundreds of subcontractors, I only need the fingers on one hand to list the subcontractors that have been responsible, knowledgeable, qualified, and an absolute joy to work with. Jim Ochs and CAS Engineering…
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Glenn Chen Fong, AIA, PLLC
I’ve worked with CAS Engineering for over twenty years and inform my clients that if they’re not retaining CAS, I’m not doing their project. The quality of their work is impeccable and precise, while their knowledge base is constantly updated. They have strong, informational relationships not only with their clients but also…
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Robert Gurney
I have worked with CAS Engineering for many years on many projects. Everyone that I have worked with at CAS has been knowledgeable, reliable, and a pleasure to work with. Navigating the permitting process has become incredibly rigorous and having CAS involved always makes this process run more efficiently.
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Michael L. Cohen Lerner Companies
Building a house is a major undertaking, but if you surround yourself with great people then it goes from a daunting task to an exciting journey. That’s exactly how my experience with CAS Engineering went. When I speak with friends and family who are considering a home construction or renovation project, the first step I recommend is to hire CAS…
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MARYLAND OFFICE
10 South Bentz Street
Frederick, Maryland 21701
301-607-8031
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4836 MacArthur Boulevard NW, 2nd Floor
Washington, DC 20007
202-393-7200







