Md. Code, Tax - Property § 7–305

Property is not subject to State property tax if the property:

(1) is owned by the Harford Land Trust; and

(2) is used:

(i) to assist in the preservation of a wild nature area;

(ii) to establish a nature reserve or other protected area;

(iii) for environmental education of the public; or

(iv) generally to promote conservation.