Rental registration and inspection
Every non-owner-occupied rental in Baltimore City must be registered by January 1 each year and also hold a rental license, which is first issued for two years.
For investors: Registration also covers vacant buildings and lots, and a new owner must register within 10 days of any transfer, so file right after settlement. Use the name on the deed; the city FAQ says an LLC owner lists the LLC, which the long-term license allows.
Source: Baltimore City DHCD, Property Registration and Rental Licensing; Property Registration and Licensing FAQs, Oct 2026