The cost of a second story addition in Houston can vary greatly depending on the size of the addition, the quality of materials used, and the cost of labor in your area. On average, homeowners might expect to spend anywhere from $100,000 to $200,000.

A basic second story addition might include a couple of bedrooms and a bathroom. A more extensive addition might include several bedrooms, a bathroom, and a living area.

The cost of labor can also significantly impact the cost of a second story addition. In areas with a high cost of living, labor costs can be much higher.

It’s also important to consider the cost of permits. Depending on the extent of the addition, you might need to obtain several permits, which can add to the cost.