The durable steel fencing type normally costs $5 to $15 per foot. Vinyl on the other hand is also a good fencing choice but not really advisable for security fencing. It can cost a homeowner around $20 per foot. Aluminum which is considered to be the most affordable metal fencing is priced per foot at $20 to $30.

In San Antonio, residential fence permits may be required. Since some rules vary by county, and San Antonio covers three different counties - Bexar, Comal and Medina - you should consult your county authorities to see what permit rules apply for your property.

If you're looking to enhance the privacy of your small backyard, measuring around 500 square feet, a privacy fence could be installed for an estimated total cost of $1,750. However, the average cost of a 2,000-square-foot privacy fence would increase to about $3,500 due to the additional materials required.

Homeowners associations (HOAs) can no longer deny building a fence for security. According to a state law passed on Texas HOA fence rules in 2021, homeowners anywhere in the state are allowed to put up a perimeter fence for added security along the front, sides and/or back of their property.