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Last verified: · Confidence: high
When is rental registration or license renewal due in Maryland?
Short answer
Register pre-1978 rental properties with MDE and renew by December 31 each year
When: Every year by December 31
Owners of pre-1978 rental properties must register them with the Maryland Department of the Environment and renew the registration on or before December 31 every year.
"On and after January 1, 2015, a property constructed before 1978 that contains at least one rental unit;" mgaleg.maryland.gov
"Renew the registration of the affected property on or before December 31 of each year or according to a schedule established by the Department by regulation;" mgaleg.maryland.gov
"An owner who first acquires affected property after December 1, 1995 shall register the affected property under § 6–811 of this subtitle within 30 days after the acquisition." mgaleg.maryland.gov
Register pre-1978 rental properties with MDE and renew by December 31 each year Verified
Deadline: Every year by December 31
Owners of pre-1978 rental properties must register them with the Maryland Department of the Environment and renew the registration on or before December 31 every year.
Who it covers: 'Affected property' = rental property built before 1950, and since Jan 1, 2015 built before 1978 (with exemptions such as certified lead-free). New owners register within 30 days of acquisition; update owner/manager info within 30 days of changes.
"On and after January 1, 2015, a property constructed before 1978 that contains at least one rental unit;" mgaleg.maryland.gov
"Renew the registration of the affected property on or before December 31 of each year or according to a schedule established by the Department by regulation;" mgaleg.maryland.gov
"An owner who first acquires affected property after December 1, 1995 shall register the affected property under § 6–811 of this subtitle within 30 days after the acquisition." mgaleg.maryland.gov
Notes: Environment §6-811, §6-812. MDE may set a different schedule by regulation; fees and MDE portal process not captured.
Last verified 2026-10-20 · Confidence: high · Status: verified · Report a correction