Our sustainable

Building a better future together.

Through preservation, adaptation, transformation, and renewal, we contribute to the health and well-being of people, communities, and the environment.


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Driven by Performance

Performance analysis is a creative, rigorous, and critical part of our process. We apply expertise and innovative tools to achieve high-performing buildings.

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Setting the Bar

Our certified professionals in frameworks such as LEED, Passive House, WELL, Living Building, and the AIA Framework for Design Excellence drive projects forward to achieve measurable sustainable results with lasting value.

of staff have a
sustainable certification
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Carbon leadership

We’re carbon action advocates and thought leaders. We support and participate in COP26, Architecture 2030, Carbon Leadership Forum, Zero Net Carbon Collaborative, and other climate initiatives.

Preserving Special Places

Our work is grounded in a deep understanding of each unique place. We help to preserve, enhance, and celebrate the continued utility of many significant buildings, landscapes, and infrastructure. With our clients, we are stewardship partners for special places and the communities defined by them.

Adapting & Transforming

Revitalizing existing buildings is the most sustainable approach to building. We understand the value of current resources and their context. We preserve the past - transforming and renewing - to support the future adaptability and resilience of communities.

Creating Positive, Lasting Impact

We foster a creative and healthy balance that incorporates the needs of occupants, communities, heritage, environmental systems, and climate.

Have questions about our sustainability commitment? Reach out to our team.

Director of sustainability

Julia Siple


Sustainability in Action

Building Reuse is Climate Action

Quinn Evans’ Julia Siple goes in depth on how restoring existing buildings can reduce the carbon emissions that come from building new.

Sustainability in Action

Bringing Passive House to Baltimore at The Compound

Quinn Evans' David Gavin discusses high-efficiency and wellness standards at an artist collective in West Baltimore with owner Nick Wisniewski.

Sustainability in Action

Carbon Savings: A Reason to Renovate

By retaining the existing structure and major components of the high school’s envelope, the school system saved an estimated total carbon savings of 3,900 metric tons of carbon.

Sustainability in Action

Sustainability is Stability in Affordable Housing

Building healthy, safe, and accessible places to live starts with sustainability.

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