Bolthole Index county-legal census · checked 2026-09-11
24 of Maryland's 24 counties — 100% — let an owner build their own home without a licensed contractor. That is the 22nd-largest count of any state. The strongest of them on the Bolthole Index is Garrett County (72/100). Every entry below cites the county’s own official source.
Rules change, and cities inside these counties set their own — treat this as a verified starting point, not legal advice. All 1516 counties nationwide → Full Maryland profile →
24 of 24 Maryland counties · sorted by Index score
Statewide rule. Home-improvement permits for work performed by a property owner in a Maryland county or municipal corporation. The exception applies to a permit for a home impro…
Maryland Business Regulation Article § 8-504 ↗Statewide rule. Home-improvement permits for work performed by a property owner in a Maryland county or municipal corporation. The exception applies to a permit for a home impro…
Maryland Business Regulation Article § 8-504 ↗Statewide rule. Home-improvement permits for work performed by a property owner in a Maryland county or municipal corporation. The exception applies to a permit for a home impro…
Maryland Business Regulation Article § 8-504 ↗Statewide rule. Home-improvement permits for work performed by a property owner in a Maryland county or municipal corporation. The exception applies to a permit for a home impro…
Maryland Business Regulation Article § 8-504 ↗Statewide rule. Home-improvement permits for work performed by a property owner in a Maryland county or municipal corporation. The exception applies to a permit for a home impro…
Maryland Business Regulation Article § 8-504 ↗Statewide rule. Home-improvement permits for work performed by a property owner in a Maryland county or municipal corporation. The exception applies to a permit for a home impro…
Maryland Business Regulation Article § 8-504 ↗Statewide rule. Home-improvement permits for work performed by a property owner in a Maryland county or municipal corporation. The exception applies to a permit for a home impro…
Maryland Business Regulation Article § 8-504 ↗Statewide rule. Home-improvement permits for work performed by a property owner in a Maryland county or municipal corporation. The exception applies to a permit for a home impro…
Maryland Business Regulation Article § 8-504 ↗Statewide rule. Home-improvement permits for work performed by a property owner in a Maryland county or municipal corporation. The exception applies to a permit for a home impro…
Maryland Business Regulation Article § 8-504 ↗Statewide rule. Home-improvement permits for work performed by a property owner in a Maryland county or municipal corporation. The exception applies to a permit for a home impro…
Maryland Business Regulation Article § 8-504 ↗Property owners may construct their own dwelling on their own property without a building contractor's license (an owner-builder exemption from licensing); a building permit is …
Calvert County - Building Contractor's License ↗Statewide rule. Home-improvement permits for work performed by a property owner in a Maryland county or municipal corporation. The exception applies to a permit for a home impro…
Maryland Business Regulation Article § 8-504 ↗Statewide rule. Home-improvement permits for work performed by a property owner in a Maryland county or municipal corporation. The exception applies to a permit for a home impro…
Maryland Business Regulation Article § 8-504 ↗Statewide rule. Home-improvement permits for work performed by a property owner in a Maryland county or municipal corporation. The exception applies to a permit for a home impro…
Maryland Business Regulation Article § 8-504 ↗Statewide rule. Home-improvement permits for work performed by a property owner in a Maryland county or municipal corporation. The exception applies to a permit for a home impro…
Maryland Business Regulation Article § 8-504 ↗Statewide rule. Home-improvement permits for work performed by a property owner in a Maryland county or municipal corporation. The exception applies to a permit for a home impro…
Maryland Business Regulation Article § 8-504 ↗Statewide rule. Home-improvement permits for work performed by a property owner in a Maryland county or municipal corporation. The exception applies to a permit for a home impro…
Maryland Business Regulation Article § 8-504 ↗Statewide rule. Home-improvement permits for work performed by a property owner in a Maryland county or municipal corporation. The exception applies to a permit for a home impro…
Maryland Business Regulation Article § 8-504 ↗Statewide rule. Home-improvement permits for work performed by a property owner in a Maryland county or municipal corporation. The exception applies to a permit for a home impro…
Maryland Business Regulation Article § 8-504 ↗Statewide rule. Home-improvement permits for work performed by a property owner in a Maryland county or municipal corporation. The exception applies to a permit for a home impro…
Maryland Business Regulation Article § 8-504 ↗Statewide rule. Home-improvement permits for work performed by a property owner in a Maryland county or municipal corporation. The exception applies to a permit for a home impro…
Maryland Business Regulation Article § 8-504 ↗Statewide rule. Home-improvement permits for work performed by a property owner in a Maryland county or municipal corporation. The exception applies to a permit for a home impro…
Maryland Business Regulation Article § 8-504 ↗Statewide rule. Home-improvement permits for work performed by a property owner in a Maryland county or municipal corporation. The exception applies to a permit for a home impro…
Maryland Business Regulation Article § 8-504 ↗Statewide rule. Home-improvement permits for work performed by a property owner in a Maryland county or municipal corporation. The exception applies to a permit for a home impro…
Maryland Business Regulation Article § 8-504 ↗Every county here has a full profile — water, land prices, hazard safety, seclusion, and the rest of its building rules. See the Maryland state page for all 24 counties ranked, or go back to the national list.
General guidance, not legal advice. Off-grid, building, and land-use rules are often set at the county level and change often. Verify with your county and state before acting. Data reviewed 2026-06-26.
