Sill Engineering Group

Civil Engineering for Land Development

Located in Howard County Maryland and providing personalized service and the technical expertise needed to propel your project forward, and achieve development success.

Personalized Service

30+ Years of Engineering and Surveying

We bring decades of hands-on experience and the relationships that come with that experience to your project.  We offer streamlined engineering solutions at a high degree of competent and professional client service. We pride ourselves on delivering excellent results as well as stellar customer interactions. We are nimble and able to move rapidly to satisfy your engineering needs. Our experienced staff has the expertise to take your land development goals and transform them into a profitable reality!


Years of civil engineering experience


Howard County Government Projects


Excellence in Community Development, 2018 for Hampton Park. Excellence in Design, Planning and Construction by MBIA

Maryland Building Industry Association

Build Your Dream

Quality Services

Commercial Civil Engineering

Commercial Site Development

Navigating the complexities of modern commercial site development, we bring forth a blend of strategic planning and technical prowess. From groundbreaking to completion, we sculpt environments that embody your business's aspirations.


Government Site Development

With a proven track record of delivering government site development solutions, we harmonize visionary urban planning with meticulous engineering to create spaces that enhance public services and civic pride.


From conceptualization to reality, our residential subdivision services redefine urban living, combining thoughtful infrastructure design with sustainable amenities to create inviting, inclusive neighborhoods for families to thrive.

Commercial Subdivisions

Pioneering the development of dynamic commercial subdivisions, we shape spaces that inspire innovation, foster collaboration, and empower enterprises to flourish within well-planned, infrastructure-rich environments.

Residential Work

From intricate repairs to personalized enhancements, our commitment to excellence extends to every corner of your home with our minor residential work service, dedicated to enhancing comfort, quality, and value.



Committed To Deliver High Quality Service

Our commitment to excellence is backed by certifications from the State of Maryland, recognizing us as a participant in the Small Business Reserve Program

We Follow Best Practices

We utilize our analytical skills to provide strategic guidance for sustainability initiatives, including low-carbon energy generation.


16005 Frederick Rd 2nd floor, Woodbine, MD 21797

Our Latest Works

About SEG

Team of Experts

Our Staff is skilled at performing comprehensive site evaluations while identifying development

opportunities and site constraints for use during the site feasibility and planning stages of development.

SEG has an outstanding reputation for developing solutions to problematic land development design while maintaining an excellent working relationship with county review agencies throughout Maryland. We listen closely at every stage of the project to determine exactly what our clients want and know how to achieve their goals in the most seamless and efficient way. We are committed to providing a quality product in a timely manner.

Steven Marks


Lara Smith


John Doe


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