There are many things to consider when you are building a swimming pool in your backyard, because once the construction is all finished you will have a lifetime of maintenance to make sure your investment stays clean and safe. Besides the routine cleaning and maintenance, you will need to consider how to care for the pool during the different seasons of the year. Santa Cruz pools might have very different needs than Orange County pools, for example. Once you have finished building a swimming pool on your property, you will need to decide whether you will be opening and closing the pool each year or just leaving it running year round. People who own Santa Cruz pools might keep their swimming pool closed during the winter when it gets cold and rainy, but people who own Orange County pools might be more inclined to keep them open year round since the weather is so temperate. In many parts of the county it makes sense to close the pool for the winter months and reopen it in the spring, and in other places it doesn't make as much sense. If cost is a consideration, it might actually be more costly to close a California swimming pool for the winter because there will probably only be a few weeks of extremely cold weather in most places. The filter must still remain on the pool during the period of time that it is kept closed. Otherwise, you'll end up splitting the filter and potentially cracking the liner. Building a swimming pool in California is a great way for home owners to increase the value of their property and create a beautiful and enjoyable environment that friends and family can enjoy for years to come. This is an investment that does require some consideration depending on where you live, but once you figure out what works for you and your pool it will become like second nature.