In the city of Blanco, if a property owner intends on building a structure on their property, a building permit is required. If the owner plans to make a modification or alteration to an existing structure on the property, a building permit is also required. Once the property owner determines that a building permit is needed, they are required to apply for the permit at City Hall. The applicant must pay a fee for each permit, and if any electrical, plumbing, or HVAC work will be perform ...