InterNACHI Standards of Practice
Inspector Credentials
- WA License #26019933
- InterNACHI Certified Professional Inspector
- Certified to operate drones for commercial use (used to inspect roofs when possible/necessary)
InterNACHI (International Association of Certified Home Inspectors) is a U.S.-based professional association for home inspectors, offering certification, education, and Standards of Practice (SOP) that define the minimum scope, limitations, and reporting requirements for residential inspections.
About InterNACHI
InterNACHI is a non-profit organization headquartered in Boulder, Colorado, that certifies home inspectors, provides continuing education, and sets industry standards. Its mission is to promote professionalism, ethics, and quality in home inspection services.
InterNACHI Standards of Practice (SOP) – Key Points
The Residential Home Inspection Standards of Practice (last revised October 2022) outline what a compliant inspection must and must not include.
Scope
- Definition: A non-invasive, visual examination of accessible areas of a residential property, for a fee, to identify material defects observed on the inspection date.
- Material defect: An issue that may significantly affect property value or pose an unreasonable risk to people.
- Report: Must document observed material defects; may include comments and recommendations.
Required Systems
The SOP lists specific systems to inspect, including:
- Roof
- Exterior
- Basement, foundation, crawl space, and structure
- Heating and cooling
- Plumbing
- Electrical
- Fireplace and fuel-burning appliances
- Attic, insulation, and ventilation
- Doors, windows, and interior
Limitations & Exclusions
The SOP explicitly states what inspections do not include:
- Concealed or latent defects
- Aesthetic or cosmetic issues
- Code compliance checks
- Market value or insurability determinations
- Life expectancy of systems
- Items not permanently installed
- Inaccessible areas (e.g., unsafe crawlspaces)
Ethical & Professional Standards
InterNACHI also publishes a Code of Ethics and vendor codes, requiring honesty, impartiality, and adherence to professional responsibilities.