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William Walker, ACI

William Walker is the president of Claxton Walker & Associates, LLC.  He has been inspecting homes throughout the metropolitan DC area  since 1998, and has inspected over 4,000 homes in that time. He is a licensed home inspector in Maryland and Virginia and an ASHI Certified Inspector (ACI). Prior to becoming a home inspector, William spent 25 years in the residential construction industry in our area.  He is the fifth generation of the Walker family to provide home building and real estate services to the local community.  His areas of expertise include; estimating, design, costing and construction of new homes, as well as retrofit design and problem-solving as they relate to the remodeling industry.  With over 40 years experience working with engineers, architects, contractors, homeowners, designers, home buyers, banks, and real estate agents, both as a builder and inspector, William draws on a depth of knowledge of building practices and their evolution and the DC area housing stock that few can match.  


  • Licensed Home Inspector - State of Maryland #30149

  • Licensed Home Inspector - Commonwealth of Virginia #338 0000124

  • American Society of Home Inspectors (ASHI) Certified Inspector #204451


  • 2015 - Present: President, Claxton Walker & Associates

  • 1998 - 2015: Home inspector, Claxton Walker & Associates

  • 1996 - 1998: Project Manager, William L. Berry Co.

  • 1990 - 1996: President, William L. Walker Co.

  • 1988 - 1990: President of John C. Walker Development Co.

  • 1976 - 1987: Various Positions with John C. Walker Development Co.


  • Attended Tulane University, University of Maryland, and Montgomery College

Matt Scharf, PE , ACI

Matt Scharf has performed hundreds of inspections on a wide variety of houses, apartments, and condominiums of varying ages and styles in DC, MD, & VA.  He is a licensed home inspector in Maryland and Virginia, an ASHI (American Society of Home Inspectors) Certified Inspector (ACI)  and member of the Mid-Atlantic Chapter of ASHI (MAC-ASHI). He is also a licensed Professional Engineer (PE) in Maryland and is certified by the Maryland Department of the Environment to collect drinking water samples.

Matt draws on nearly 20 years’ experience in engineering, inspection, and construction, having been involved in the latter since his teenage years. This, coupled with his education and experience as a professional engineer and home inspector has produced an advanced analytical, diagnostic, and problem solving skill set as well as an expertise in environmental issues.  Matt Scharf has been with the Claxton Walker & Associates since 2015, having apprenticed under owner William Walker.


  • Licensed Home Inspector - State of Maryland #32671

  • Licensed Home Inspector - Commonwealth of Virginia #3380000934

  • Licensed Professional Engineer - State of Maryland #46245

  • Certified Drinking Water Sampler - State of Maryland #1907-07-910

  • American Society of Home Inspectors (ASHI) Certified Inspector #260638


  • 2015 - Present: Home Inspector with Claxton Walker & Associates

  • 2004 - 2017: Environmental Engineer with AECOM Technical Services

  • 1996 - 2004: Carpenter with various residential and commercial construction firms


  • Syracuse University, Syracuse, NY. BS, Environmental Engineering.  May 2004.

  • The ASHI School, Leesburg, VA.  120 Hour Classroom and Hands On Home Inspector Training Course. April 2016.

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