Business overview

For over 20 years, MJ Monahan Builders has been building and renovating on the Main Line and Suburban Philadelphia. Founded in 1990 by Mike J. Monahan, project-by-project, MJ Monahan Builders has established themselves as premier builders grounded in integrity, quality and service.

MJ Monahan Builders has made their mark with consistently superior construction. We are 100% committed to
meeting our clients? expectations and achieving project goals with speed and quality.. in

Areas of expertise include Residential, Custom Homes, Additions Renovations and Historic Restoration.

MJ Monahan Builders has won numerous industry awards as well as back-to-back ?Best of the Main Line? for construction in 2009, 2010 & 2011. We feel this speaks to our level of excellence and service as well as our commitment to our community.

Please contact Mike at for more information or to schedule an appointment to discuss your project.


Services & Repairs

  • Basement Remodeling
  • Bathroom Remodeling
  • Estimates
  • General Repairs
  • Kitchen Remodeling
  • Remodeling & Renovation
  • Restoration
  • Room Additions


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