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Ronald Johnston and Associates, Architects

Ronald Johnston and Associates, Architects

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About Us

Ronald Johnston and Associates, Architects is an architectural firm specializing in residential architecture for both private clients and builders. Having practiced in Maryland for over 20 years, Ron's projects include a wide range of both custom and production single family detached homes, multifamily (townhouses), residential renovations, additions and alterations, and active senior housing, as well as the occasional small commercial project. The firm's work also includes approximately 20 new homes or substantial additions located in designated historic districts. Ron is a registered architect in the state of Maryland with almost 20 years in private practice, holds his M.Arch degree from U of M, and is a LEED Accredited Professional. He was awarded a full-term Graduate Fellowship to the University of Maryland School of Architecture, where he served as a student representative to U.M. Facilities Master Planning/Technical Committee, authored a successful research grant proposal to design and build an artificial sky dome to test scale models of daylighting designs, and received the Maryland Architecture Alumni Chapter Award and endowment. Various of his projects have been selected for design awards by the Homebuilder's Association of Maryland or been displayed at the University of Maryland School of Architecture Alumni Gallery Exhibit.

Services Provided

Architectural Design, Architectural Drawings, Barn Design & Construction, Basement Design, Bathroom Design, Building Design, Custom Homes, Drafting, Home Additions, House Plans, Kitchen Design, Structural Engineering, Universal Design, Computer Modeling

Areas Served

Catonsville, Clarksville, Columbia, Cooksville, Dayton, Eldersburg, Elkridge, Ellicott City, Garrison, Glenelg, Glenwood, Gwynn Oak, Ilchester, Lisbon, Marriottsville, Milford Mill, Owings Mills, Pikesville, Randallstown, Reisterstown, Simpsonville, Stevenson, Sykesville, Trial, West Elkridge, West Friendship, Windsor Mill, Woodbine, Woodstock, Montgomery County, Prince George's County, Anne Arundel County, Carrol County, Baltimore County, Frederick County, Howard County


Licensed in Maryland and Delaware. LEED AP. Recipient of various HBAM residential design awards.

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Business Details

Business Name

Ronald Johnston and Associates, Architects

Phone Number

(410) 442-3667


11407 Barley Field Way
Marriottsville, MD 21104

License Number

10019 (MD)


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