We recently built a small second story Redwood deck with stainless steel cable railing to maximize the home's view of Mission Bay. It turned out very nice and the customers were happy. However, a few days later, they put the house up for sale. Some would think they are crazy to spend thousands of dollars on the house just before it goes on the market. It turns out they were right on the money - no pun intended.
Remodeling magazine's 2015 Cost vs. Value Report states that in San Diego you can expect to pay $11,837 for a mid-range wood deck addition, and that it will increase the value of your home by $12,173. That is a 102.8% return on investment, the second highest of the 36 different project types studied.