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We've merged!

Treanor Architects has merged with H+L Architecture to form TreanorHL. With a larger national footprint, TreanorHL will continue to focus on improving peoples lives through informed design. We are now 10 studios, 9 offices and 6 states strong. Learn More

We’re growing!

Carey & Co., a prominent architectural and preservation firm in San Francisco, has joined TreanorHL. Together we are working to connect the past to the present by restoring and rehabilitating historic buildings for contemporary uses. Learn More