The cost of pest control services in San Diego County, California depends on the type of pest, the severity of the infestation, the size of the property, and the treatment method required. A one-time pest control treatment typically ranges from $100 to $300, while ongoing monthly pest control services generally cost between $40 and $70 per month. Specialized termite treatments are usually more expensive, with costs ranging from $500 to $3,000 or more, depending on the extent of the infestation and the treatment approach. Additional factors such as emergency service, larger properties, recurring infestations, and specialized pest management techniques can also affect the overall cost. Regular preventive pest control services can help reduce the risk of future infestations and protect homes and businesses from costly damage.