Maryland Code, Tax-Property § 8-235

(i) interior or exterior painting;

(ii) landscaping;

(iii) fencing;

(iv) replacing gutters or downspouts;

(v) adding storm windows, storm doors, or weatherstripping;

(vi) adding insulation;

(vii) electric rewiring;

(viii) replacing plumbing and light fixtures;

(ix) replacing a furnace with more efficient oil or gas burners;

(x) redecorating;

(xi) installing new ceilings or wall surfaces;

(xii) removing room partitions to change the shape of a room;

(xiii) replacing a roof with a roof of a similar type and material;

(xiv) replacing an existing driveway and lead walk;

(xv) repairing a foundation because of structural defect or age if there is no enlargement of the improvement or building; and

(xvi) replacing an existing air conditioner or other built-in appliance.