A summary of
Texas Law from this DPS site includes prohibiting carry:
(1) on the premises of a business that has a permit or license issued
under Alcoholic Beverage Code, if the business derives 51 percent or more of its income from the sale or service of alcoholic beverages;
(2) on the premises where a high school, collegiate, or professional
sporting event or interscholastic event is taking place, unless the license holder is a participant in the event and a handgun is used in the event;
(3) on the premises of a correctional facility;
(4) on the premises of a hospital, or on the premises of a nursing home unless the license holder has written authorization of the hospital or nursing home administration, as appropriate;
(5) in an amusement park; or
(6) on the premises of a church, synagogue, or other established place of religious worship.
(c) A license holder commits an offense if the license holder intentionally,
knowingly, or recklessly carries a handgun regardless of whether the handgun is concealed, at any meeting of a governmental entity.
(d) A license holder commits an offense if, while intoxicated, the license holder carries a handgun regardless of whether the handgun is concealed.
(e) A license holder who is licensed as a security officer , and employed as a security officer commits an offense if, while in the course and scope of the security officer's employment, the security officer violates a provision of
Subchapter H, Chapter 411, Government Code.
(f) In this section:
(1) "Amusement park" means a permanent indoor or outdoor
facility or park where amusement rides are available for use by the
public that is located in a county with a population of more than one
million, encompasses at least 75 acres in surface area, is enclosed
with access only through controlled entries, is open for operation more
than 120 days in each calendar year, and has security guards on the
premises at all times. The term does not include any public or private
driveway, street, sidewalk or walkway, parking lot, parking garage, or
other parking area.
Also:
PLACES WEAPONS PROHIBITED. (a) A person commits an offense if the person intentionally, knowingly, or recklessly possesses or goes with a firearm, illegal knife, club, or prohibited weapon listed in Section 46.05(a):
(1) on the physical premises of a school or educational institution,
any grounds or building on which an activity sponsored by a school or
educational institution is being conducted, or a passenger transportation
vehicle of a school or educational institution, whether the school or
educational institution is public or private, unless pursuant to written
regulations or written authorization of the institution;
(2) on the premises of a polling place on the day of an election or
while early voting is in progress;
(3) in any government court or offices utilized by the court, unless
pursuant to written regulations or written authorization of the court;
(4) on the premises of a racetrack; or
(5) in or into a secured area of an airport.
(6) within 1,000 feet of premises the location of which is designated
by the Texas Department of Criminal Justice as a place of
execution under Article 43.19, Code of Criminal Procedure, on a day
that a sentence of death is set to be imposed on the designated
premises and the person received notice that:
(A) going within 1,000 feet of the premises with a weapon listed
under this subsection was prohibited; or
(B) possessing a weapon listed under this subsection within 1,000 feet of the premises was prohibited.
51.002(1), Human Resources Code.
(4) "Forest land" means land on which the trees are potentially
valuable for timber products.
(5) "Agricultural land" has the meaning assigned by Section
75.001, Civil Practice and Remedies Code.
(6) "Superfund site" means a facility that:
(A) is on the National Priorities List established under Section
105 of the federal Comprehensive Environmental Response, Compensation,
and Liability Act of 1980 (42 U.S.C. Section 9605); or
(B) is listed on the state registry established under Section
361.181, Health and Safety Code.
(c) It is a defense to prosecution under this section that the actor at
the time of the offense was a fire fighter or emergency medical
services personnel, as that term is defined by Section 773.003, Health
and Safety Code, acting in the lawful discharge of an official duty
under exigent circumstances.
(d) An offense under Subsection (e) is a Class C misdemeanor
unless it is committed in a habitation or unless the actor carries a
TEXAS CONCEALED HANDGUN LAWS PC ァ30.06. 27
deadly weapon on or about the actor's person during the commission
of the offense, in which event it is a Class A misdemeanor. An offense
under Subsection (a) is a Class B misdemeanor, except that the
offense is a Class A misdemeanor if:
(1) the offense is committed:
(A) in a habitation or a shelter center; or
(B) on a Superfund site; or
(2) the actor carries a deadly weapon on or about his person
during the commission of the offense.
(e) A person commits an offense if without express consent or if
without authorization provided by any law, whether in writing or other
form, the person:
(1) enters or remains on agricultural land of another;
(2) is on the agricultural land and within 100 feet of the boundary
of the land when apprehended; and
(3) had notice that the entry was forbidden or received notice to
depart but failed to do so. PC ァ30.06.
Thus, there are no simple answers to the concealed carry question.