(a)    For assessment purposes, property shall be divided into classes and subclasses.

(b)    Real property is a class of property and is divided into the following subclasses:

(1)    land that is actively devoted to farm or agricultural use, assessed under § 8-209 of this title;

(2)    marshland, assessed under § 8-210 of this title;

(3)    woodland, assessed under § 8-211 of this title;

(4)    land of a country club or golf course, assessed under §§ 8-212 through 8-217 of this title;

(5)    land that is used for a planned development, assessed under §§ 8-220 through 8-225 of this title;

(6)    rezoned real property that is used for residential purposes, assessed under §§ 8-226 through 8-228 of this title;

(7)    operating real property of a railroad;

(8)    operating real property of a public utility;

(9)    property valued under § 8-105(a)(3) of this subtitle;

(10)    conservation property, assessed under § 8-209.1 of this title; and

(11)    all other real property that is directed by this article to be assessed.

(c)    Personal property is a class of property and is divided into the following subclasses:

(1)    stock in business;

(2)    distilled spirits;

(3)    operating personal property of a railroad;

(4)    operating personal property of a public utility that is machinery or equipment used to generate electricity or steam for sale;

(5)    all other operating personal property of a public utility;

(6)    machinery and equipment, other than operating personal property of a public utility, that is used to generate:

(i)    electricity or steam for sale; or

(ii)    hot or chilled water for sale that is used to heat or cool a building; and

(7)    all other personal property that is directed by this article to be assessed.