About InterNACHI®

The International Association of Certified Home Inspectors – InterNACHI® – is the world’s largest trade organization of residential and commercial property inspectors. Founded in 1994 by Certified Master Inspector® Nick Gromicko, InterNACHI® is a federally tax-exempt 501(c)(6) nonprofit membership trade organization headquartered in Boulder, Colorado, and operates in 65 countries and nine languages.

Read InterNACHI's Vision and Mission Statement.

Download InterNACHI's Membership Guide.

InterNACHI® and InterNACHI® School are recognized, approved, and/or accredited by more than 100 state, government, and non-government agencies as the inspection industry’s largest provider of online education for home inspectors, contractors, and real estate agents. 

InterNACHI® School (internachi.edu) is accredited as a nonprofit post-secondary educational institution (college) by the Accrediting Council for Continuing Education & Training (ACCET), a national accrediting agency recognized by the U.S. Department of Education (USDE), to provide free, online Continuing Education and a Home Inspector Certificate Program to InterNACHI® members. InterNACHI® School is a Member College of the National Association of Career Colleges (NACC) of Canada, a national association representing more than 500 regulated career colleges across Canada. 

InterNACHI® built the InterNACHI® House of Horrors®, an entire house with a thousand defects purposely built in. This unique training facility is located at InterNACHI® Headquarters in Boulder, Colorado, with a second House of Horrors® located in Weston, Florida, and a third House of Horrors® located in Pennsylvania. 

InterNACHI® is represented at hundreds of inspection-related events every year, including live Chapter Meetings.

InterNACHI® operates the inspection industry’s most comprehensive website at NACHI.org. NACHI.org is a monster: a 285,000-page site dedicated to inspection-related issues, and also host to a 1.7 million-post message board that receives more than 1,000 new posts a day. NACHI.org gets over 260 million hits a year. Those hits have generated nearly 16 million inspection leads for InterNACHI® members. InterNACHI® operates nearly all of the internet’s inspection search engines, which include: the mammoth 430-million page North American Inspector Directory; OverSeeIt.com, a site that promotes independent oversight of residential remodeling and repair projects, including new construction; InspectorNow.com, a site that tracks down and calls the inspector when a consumer needs an inspection; InspectorSEEK.com; CorrectInspect.com; FindanInspector.us; and InspectorLocator.com, a site that allows consumers to search for an inspector based on their services, such as chimney inspections, commercial inspections, energy assessments, green certifications, IAC2-Certified inspectors, and those certified for testing for lead, meth, asbestos, mold, and radon, and log home inspections, new construction inspections, pool and spa inspections, pre-listing inspections, septic system inspections, stucco/EIFS inspections, thermal imaging, water quality testing, and WDO/insect inspections. 

InterNACHI® controls more than 4,500 inspection-related websites

InterNACHI's membership benefits are the most valuable and substantial in the industry. 

Find out what's new at InterNACHI®.

International Association of Certified Home Inspectors 
1750 30th Street, Suite 301
Boulder, CO  80301
(303) 223-0861
U.S. DUNS  #015117501 
Founded in 1994