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Keith Williams WIN Greenville
Owner and Inspector
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Keith Williams WIN Greenville is proud to provide inspection services in Greenville County, Spartanburg County, and surrounding areas.
SC License RBI #49391 United States Marine Corps Veteran InterNACHI Certified Professional Inspector Greater Greenville County Association of Realtors (GGAR) Spartanburg Association of Realtors

Prior to joining WIN Home Inspection, Keith served 25 years in the United States Marine Corps and retired in 2013. While he served in the Marines, he held the billets of Military Policeman, Detective, Accident Reconstructionist, Drill Instructor, Company First Sergeant and Battalion Sergeant Major.

As a Sergeant Major, Keith led 1st Recruit Battalion in San Diego, California which was responsible for training thousands of new Marines through Marine Corps Boot Camp. His last assignment before retiring was serving as the Sergeant Major, 2nd Battalion, 4th Marines at Camp Pendleton, California. Keith led 2/4, an infantry battalion of over 1000 Marines into Afghanistan where they were responsible for the largest battle space in the country and conducted many combat operations to clear and secure large areas of enemy territory for return to the Afghani people.

Keith is the recipient of the Bronze Star Medal and the Combat Action Ribbon along with several other awards for valor and proficiency while serving as a Marine in the US, Iraq, Afghanistan and other areas overseas.

After retiring from the Marine Corps, Keith continued his service to the community and was employed as a Police Officer in San Diego, CA and North Myrtle Beach, SC for 7 years before resigning to focus on home inspection full time.

He was born and raised in Burlington, North Carolina and holds a bachelor’s degree in Business Administration from Hawaii Pacific University. Keith owned and operated Gatekeeper Home Inspection, LLC in Myrtle Beach, SC before relocating to the SC Upstate area. He is a South Carolina State licensed (SC License RBI #49391) home inspector and InterNACHI Certified Professional Inspector.



  • Graduate of the Professional Association of Building Inspectors (PABI) with over 145 hours of residential inspection procedures and technical training
  • Annual continuing Home Inspection Education and Training
  • Bachelor of Science, Business Administration, Hawaii Pacific University


  • United States Marine Corps Veteran
  • Residential maintenance, remodeling, equipment upgrade and repair
  • Safety and Environmental Inspection
  • Construction and Industrial Building

Memberships & Affiliations

  • International Association of Certified Home Inspectors (InterNACHI)
  • Greater Greenville County Association of Realtors (GGAR)
  • Spartanburg Association of Realtors
  • Greater Greenville Chamber of Commerce
  • OneSpartanburg Inc.


  • SC License RBI #49391
  • InterNACHI Certified Professional Inspector
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