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Home

Client Resources

About Us

News

Portfolio

All Projects

New Homes

In Progress

Remodels

Design Elements

Contact

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Trillium Architects, 409 Main Street, Ridgefield, CT 06877, USA203.438.4540

About Trillium Architects

Trillium Architects is a 7 person, full service, boutique architectural firm specializing in Passive House, Net-Zero and off-the-grid new homes, additions, and renovations. Based in Ridgefield, CT, we primarily work in western Connecticut and New York's Hudson Valley, but we've designed homes all over the country.

In 2015 and 2016 we won awards for Best Energy Efficient Home in the USA from both the USGBC and the DOE, we won a 3rd Place International Innovation award which we accepted at the United Nations Framework Convention on Climate Change in Morocco 2016, and we won Best Emerging Firm in CT from the AIA in 2016.

With the end goal of marrying beauty, usability, and the cutting edge of efficient design, we strive to always make the client experience of building or renovating their home top notch.

Featured

Happy 50th to Trillium office manager Goia! Thanks for all of your hard work!

Happy Earth Day! 🌎 This is why we do what we do.

Looking good! Natural light and lots of wood makes this #CTContemporary something special! Great insulation passive solar design and PD panels make the house net zero. #trilliumarchitects

Exciting day at #CT Contemporary. The countertops are being installed. #trilliumarchitects Patrick Mulcahey Project Designer

#VillageCreekRemodel Is underway. ⠀ ⠀ #trilliumarchitects

#CTContemporary Stair design update. Glass handrail/Guardrail installation. ⠀ #trilliumarchitects

Over at #WestchesterPassiveReno most of the windows are installed, and everyone is excited about getting the house closed up for the blower door test. The project is going to start moving pretty quickly soon, so stay tuned for more photos! #TrilliumArchitects

I’m really liking how the stair is turning out. Loving the look of the thick Oak treads and open risers. #CTContemporary #trilliumarchitects Patrick Mulcahey Project Designer

We just got our windows at #WestchesterPassiveReno! We can’t wait to show you everything finished, but in the meantime here’s the first window partially installed and demonstrated by one of our happy homeowners. Thanks to #WytheWindows for doing a great job! #TrilliumArchitects