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O'Hennon Builders

O'Hennon Builders

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About Us

3x Best of Houzz winner
References available
Family owned
Leading Southern Maryland Custom, Energy Efficient Home Builder
Welcome to O'Hennon Builders, a leading Southern Maryland custom home builder. Now proud to be an Energy Star Partner. When it comes to custom built energy efficient homes, O'Hennon Builders is the best home builder choice for both quality and customer care. Since 1973 “JJ” has been working around Southern Maryland delivering satisfied customers their Dream Custom Homes!

Services Provided

Accessory Dwelling Units (ADUs), Barn Design & Construction, Custom Home, Energy-Efficient Homes, Garage Building, Guesthouse Design & Construction, Home Additions, Home Extensions, Home Remodeling, New Home Construction, Pool House Design & Construction, Project Management, Deck Installation, Porches, Fence Installation, Pergola Installation

Areas Served

Calvert County, St. Mary's County


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Business Details

Business Name

O'Hennon Builders

Phone Number

(443) 234-0855


Dunkirk, MD 20754


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O'Hennon Builders
Average rating: 5 out of 5 stars

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