Typically a building permit is required if you decide to build, remodel, repair or demolish a structure on your property. All City and State licensed contractors must register with the City before they can get any permits.Learn more about requirements and how to register. San Antonio Ordinance Chapter 10 Section 108(a) requires design professionals prepare the construction documents for the following: •. A Bexar County Site Development Permit is required when 1 acre or more will be disturbed in the unincorporated area of Bexar County. Find the best construction attorney serving San Antonio. JCJC Law has also utilizes its experience in formulating some of the most comprehensive and battle-tested contract packages for builders in the State of Texas. In general, Texas has very few official legal forms. In general, Texas has very few official legal forms. This is why you will not always find a free fill-in-the-blank form for your situation.