Mark Duclos, SIOR, CRE, FRICS

Sentry Commercial

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Sentry Commercial
190 Trumbull St
Hartford, CT
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Phone: +18609835630

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Mark Duclos, SIOR, CRE, FRICS, is co-founder and President of Sentry Commercial, a Southern New England real estate services firm, based in Hartford CT. He has more than 34 years of experience as an industrial specialist. He has held the SIOR designation for more than 17 years and currently serves as the SIOR Global President.

He started his commercial real estate career in 1986 with developer and owner, Griffin Industrial Realty, and began his brokerage career with The Farley Company, representing industrial companies for their real estate needs. In addition to holding the prestigious SIOR designation, he also holds the Counselors of Real Estate (CRE) and the Fellow Royal Institution of Chartered Surveyors’ (FRICS) designations.


  • SIOR Connecticut Chapter Past President, SIOR Global President, Board of Directors, REFA Hartford, SIOR Board of Directors


  • Licensed broker in Connecticut and Massachusetts, Bachelor of Science, American International College, Springfield MA