About Our Industry
Top Fire Hydrant Testing Company Nationwide
Hydrant Flow Inc. is a professional fire protection company based in Orange County, California, specializing in private fire hydrant testing, repair, and underground fire line services. We proudly serve commercial, industrial, and government clients throughout Southern California, including Orange County, San Diego County, Riverside County, San Bernardino County, and Los Angeles County.
With years of experience and full CSLB licensure (#1138653), our team delivers dependable, code-compliant services that meet NFPA 25 and California State Fire Marshal requirements. We provide accurate and timely testing per NFPA 25 (2023 Edition, Chapters 7 & A.7), which mandates annual fire hydrant inspections and flow testing, as well as comprehensive 5-year testing for private fire protection systems.
Our Services Include:
Fire Hydrant Flow Testing
Certified flow and pressure testing for annual and 5-year inspections per NFPA 25 and California fire code.Fire Hydrant Installation & Repair
Complete installation and repair services for private fire hydrants on commercial, industrial, and municipal properties.Underground Fire Line Installation
New installations of underground fire service mains for private developments and commercial projects.Emergency Underground Fire Line Repair
24-hour emergency response for broken or leaking underground fire lines and water mains.Hydraulic Fire Flow Calculations
Professional water flow analysis for design approval, inspection compliance, and fire code documentation.
Hydrant Flow Inc. is trusted by property managers, school districts, municipalities, and large commercial facilities across Southern California for our accuracy, reliability, and fast response times. Whether you’re preparing for a scheduled inspection, responding to an emergency, or upgrading your fire protection system — we’re ready to help.
Fire Hydrant Repair Orange County, CA
Fire Hydrant Repair San Diego County, CA
Fire Hydrant Repair Riverside County, CA
Fire Hydrant Repair San Bernardino County, CA
Fire Hydrant Testing – Flow, Annual & 5-Year – All Southern California