Meet RJ Grimes

Rob and John partnered together with one simple goal in mind: to provide the highest quality workmanship, excellent communication with fair prices.  With 45 years combined in the remodeling industry, we can handle everyone’s exterior needs. Allow us to earn your trust and treat your home as if it were our own.

Robert Grimes, Owner and Founder

Rob knew at an early age that he enjoyed helping around the house – working with his hands. Maintaining a heritage of “doing things right, the first time” Rob leads RJ Grimes with a laser focus on delivering quality workmanship and exceptional service for homeowners. He continues today to respect the safety and beauty of homes throughout Maryland and Pennsylvania.


John Hanna, Partner

John has been in the remodeling industry for 20 years in the capacity of estimating and business development.  He knows the ins and outs of all types roofing, siding, windows and gutters.  You will be working directly with John to design your project and on project pricing. John graduated from the University of Maryland with a degree in Natural Resources Management.  John resides in Ellicott City with his wife and twin boys.


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