Amish-Built Sheds, Garages, Playsets & Metal Buildings in Maryland

Harford County requires a permit for every residential shed, including prefabricated ones. This guide covers fees ($20 up to 200 square feet), setbacks, what to submit, special areas, foundations and how Bel Air, Aberdeen and Havre de Grace differ.

Most Howard County sheds under 200 square feet need no building permit, but every shed still has to meet zoning. This guide covers the exemption's conditions, setbacks for R-20, R-12 and R-SC lots, Columbia's New Town rules and village approval, historic districts, permit fees and how to apply, with tips for ordering a shed from our Millersville store. Updated for the 2026 fee schedule.

Most Maryland detached garages need a building permit, and the rules vary by county. Compare garage permit requirements, setbacks and foundation rules for Anne Arundel, Howard, Baltimore, Montgomery, Harford and Carroll counties before you order.