Siena’s Sustainable Values = Partnerships + Outreach Among Siena’s core firm values is a focus on sustainability. We define sustainability in the holistic sense – as an ongoing process of maintaining our building-related commitments towards a lasting change for the […] Finish story

It’s said that a rolling stone gathers no Mosca. From humble beginnings shoveling snow to building ground up facilities and cutting edge labs, Siena’s Vice President Hank Mosca has pretty much seen and done it all. Hank has been a […] Finish story

CAMBRIDGE, MA – Siena Construction has completed a 13,000 square-foot laboratory and office renovation project at 237 Putnam Avenue, a mixed-use, multi-tenant facility located within Blackstone Science Square in Cambridge’s Riverside neighborhood. Siena acted as the construction manager on the […] Finish story

CAMBRIDGE, MA – Siena Construction is pleased to announce the successful project completion of a dynamic office renovation in Cambridge for a client working in a fascinating market that combines applied microeconomics and public policy. Appian Way Energy Partners is […] Finish story