For emergency service please call, 410-586-2800.


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Brother's Johnson is a family owned business in Calvert County, Maryland.   We are a top provider of portable toilet rentals for special events and construction sites, mobile event restrooms trailer rentals, and septic services.  We provide the largest inventory of modernized and affordable portable sanitation rental solutions for our customers. Our commitment to service and quality has made Brother's Johnson the "Cleanliness Leader" for Calvert County.  Unlike our large national competitors, we are a locally owned company that understands our customers' needs. We work with you, the customer, to provide top quality products and services tailored to your unique needs so that you do not have to make any sacrifices. We have been doing just that since 1988. Brothers Johnson provides services to the Maryland Tri-Counties (Calvert, St. Mary's and Charles), as well as the Washington, DC Metropolitan area and beyond.