Md. Code, Real Property § 8–208.2

(a) Notwithstanding the provisions of § 8-208.1 of this subtitle, a landlord of real property subject to the provisions of Title 6, Subtitle 8 of the Environment Article may not evict or take any other retaliatory action against a tenant primarily as a result of the tenant providing information to the landlord under Title 6, Subtitle 8 of the Environment Article.

(b) For purposes of this section, a retaliatory action includes:

(1) An arbitrary refusal to renew a lease;

(2) Termination of a tenancy;

(3) An arbitrary rent increase or decrease in services to which the tenant is entitled; or

(4) Any form of constructive eviction.

(c) A tenant subject to an eviction or retaliatory action under this section is entitled to the relief, and is eligible for reasonable attorney’s fees and costs, authorized under § 8-208.1 of this subtitle.

(d) Nothing in this section may be interpreted to alter the landlord’s or the tenant’s rights arising from a breach of any provision of a lease.