Texas Insurance Code - INS § 912.308. Amount and Investment of Surplus

(1) $25,000, if the company is organized to write insurance coverage locally in only the county of its domicile;

(2) $50,000, if the company is organized to write insurance coverage in only the county of its domicile and any adjacent county;  or

(3) an amount equal to the aggregate of the minimum capital and minimum surplus required under Sections 822.054, 822.202, 822.210, and 822.211, for a fire insurance company if the county mutual insurance company is organized to write insurance coverage statewide.