Greg Andrews

Mr. Greg Andrews

National Tile and Stone Authority
8833 Winnetka Ave. #243
Winnetka , CA 91306
Mobile: 805-341-5570


National Tile and Stone Authority, Inc., is an independent consulting firm providing litigation support regarding losses encountered by individuals and companies in the tile and stone industry. Our technical staff consists of well-trained professionals with many years of experience. All have qualified in their particular areas of specialization as technical experts. Our services offered include testing, reporting, inspection, analysis and reporting of observations. We would be pleased to discuss the aspects of your case with you

Areas of Expertise

  • Brick & Stone
  • Concrete/Cement
  • Construction
  • Construction Damages
  • Construction Site
  • Contractor's Licensing
  • Flooring
  • Lath & Plaster
  • Pools & Spas
  • Tile


Available Upon Request