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Brennan + Company Architects

8333 Main Street
second floor
ellicott city, MD 21043


Service area: 200 miles

Service Area: Accepting projects in the mid-atlantic, DC metro, northern VA, eastern shore, and PA. We also have jobs as far as TN and NH


new environmentally holistic homes
residential renovations and additions


green renovations, additions, new homes including green roofs, solar thermal, geothermal, homes meeting 60% energy efficiency, recycled and renewable materials, greywater recycling, etc.


We have two registered architects, one LEED accredited professional, and we have created a environmental education resource, Common Ecology, to educate the public and our clients on holistic sustainability.

Our firm has been practicing sustainable design for over 10 years and smart, quality design for over 20 years. We strive for holistic sustainability and incorporate all aspects of the environment into our thought process. We also maintain awareness of how every decision we make affects the ecosystem. The interdependence of all things.