How often should fire sprinklers be inspected? Every 3 months 25% Every year 50% Every 3-5 years 25% Get Free Quotes Today! Question: How often should fire sprinklers be inspected? Top Answer (50% of 4 votes): Every year. Answer: Every 3 months Explanation: Depending on the local code enforcement. Sonitrol of Ft. Lauderdale Answer: Every year Explanation: It varies from jurisdiction Hood Technologies Fire Safety I nc Get Free Quotes Today! Find Local Pros Free Fire Sprinkler Testing Cost Estimates Related Questions How much does it cost to install fire sprinklers in a house? How Much Does It Cost to Install a Fire Sprinkler System? Where do most fire deaths occur: residential or commercial properties? Do fire sprinklers keep fire fighters safer? Do fire sprinklers reduce civilian fire injury costs?