ASHI Certified Inspector

ASHI Certified Inspector
Member Since 1996

John Vaughn

At Home Inspections, Inc.

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ASHI Standard of Practice

The ASHI Standard of Practice is the foundation that all ASHI members conduct their home inspections upon. Adhering to the Standard puts our members in the best position to provide an effective and informative service to their clients, and help them make a sound decision on their new home.

The Standard of Practice covers the following areas:

  • Air Conditioning Systems
  • Plumbing Systems
  • Electrical Systems
  • Structural Systems
  • Exterior
  • Fireplace
  • Flooring
  • Solid Fuel Burning Appliances
  • Heating Systems
  • Interior
  • Insulation And Ventilation
  • Roof System
Property Types
  • Commercial Property Inspections
  • High End Homes/ Estates
  • Historic Homes
  • Log Homes
  • Manufactured Homes
  • Multi-Family Homes (Condos/Apartments)
  • New Construction Inspections
  • Single-Family Homes
  • Townhouses/Villas
  • English

Additional Services

Learn more about these additional services.
  • Arbitrator
  • Decks
  • Expert Witness Testimony/Litigation Support
  • Indoor Air Quality
  • Infrared Thermography
  • Moisture Intrusion
  • Mold Testing
  • Radon Testing


Building Science Academy, LLC For inspectors - inspection education and training - including the four hour CE course to maintain the Virginia NRS certification. For homeowners - home maintenance and repair education, and valuable information needed for hiring licensed contractors. EDUCATION Bachelor of Civil Engineering, the Johns Hopkins University, the G.W.C. Whiting School of Engineering Indoor Air Quality Association (IAQA), Certified Indoor Environmentalist Course Home Energy Survey Professional Training, Residential Energy Systems Network Building Performance Institute (BPI), Building Analyst and Envelope Professional (Energy Auditor) Mold Inspection Certification course, the National Organization of Mold Inspectors and Remediators Over 800 hours of continuing education, American Society of Home Inspectors (ASHI) and American Society of Civil Engineers EXPERIENCE 40 years as a professional building analyst and consultant for: legal claims (expert witness); building diagnostics - including - water problems (leaking basements, leaking roofs, HVAC condensate); HVAC problems (including safety issues with equipment); electrical problems; mold testing (including moisture mapping); structural problems; exterior envelope problems (roofing, siding); energy use and upgrade evaluations; deck safety; and exterior grading and drainage problems. 20 years hands-on experience in home building and renovation/remodeling work.


Note: Not all states require licensing. To check your state's regulations, click here.

Virginia 3380000352
Exp: 10/31/2023

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State Regulation and Terms of Use

In many states, regulation and licensing of home inspectors exists. To see a list of these states, click here. Before engaging the services of any inspector, please verify that they have met the requirements to legally perform inspections in your state.

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