Tex. Prop. Code § 92.026
Unless possession of a firearm or firearm ammunition on a landlord's property is prohibited by state or federal law, a landlord may not prohibit a tenant or a tenant's guest from lawfully possessing, carrying, transporting, or storing a firearm, any part of a firearm, or firearm ammunition:
(3) in other locations controlled by the landlord as necessary to:
Added by Acts 2019, 86th Leg., R.S., Ch. 39 (H.B. 302), Sec. 6, eff. September 1, 2019.