This is an application form only. A name can be reserved for a period of 60 days.For faster service, name reservations can be submitted online through our enhanced online services. The following websites offer valuable information that may be helpful in your business endeavors. Business Tax - (619) 615-1500 Rental Tax - (619) 615-1545 Find information about rules and permits on the state's CalGold website. Businesses in County unincorporated areas may need to file a fictitious business name. Fictitious Business Name Statement Fee Schedule. Choose a Business Name​​ If your business name includes your legal last name, then your work is done. The city is loaded with consultants who work on everything from business process efficiency to solar power.