City · Maryland
ADU rules in Rockville
1 source
These are the primary sources for accessory dwelling unit regulations in Rockville: the city's own zoning code, planning department pages, and permit guides. Start here before talking to anyone: the rules below are what your permit reviewer will apply.
ADU regulations
Maryland statewide law also applies
Maryland sets baseline ADU rights at the state level. Where local rules are stricter than state law allows, state law usually wins, so both are worth reading.
See Maryland statewide rulesSpotted something outdated?
Zoning codes change. If a link is dead or Rockville has updated its ordinance, report it and we'll verify against the official source.
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