The Bexar County Fire Marshal Office determines when building permits are required for structures are not for a "single-family dwelling." We have designed our website so that you may easily find the forms and applications you will need depending upon whether you are a homeowner or contractor.Learn more about the process for obtaining a building permit in the City. View information about other trade permits that you may need for your project. Copy of the deed, title, or Bexar County Appraisal District property details. Copy of the recorded Plat and Master Development Plan ("MDP") (if applicable). Fill Out Forms and Applications. Permit Applications: Obtain and complete the necessary forms available from the Bexar County Permit Office. Pay the building permit fees once contacted that plan review is complete. 9. I wish my 200k dollar home was still VALUED at 200k.