About Us


Rich Diehl

Disabled Veteran and CEO

Rich Diehl is a Vietnam War Navy Service-Disabled Veteran. He served at NAS Barbers Point as well as the USS Tripoli, NAS Miramar, and NAS Imperial Beach. After many years of quality management duties for the aerospace, semiconductor, and machining industries, Rich decided to start Amstar Construction Services with his son, Steve Tankersley.

Rich moved to El Dorado County from the Bay Area with his wife and two dogs in 2017 to be closer to his family. He collects classic cars and enjoys life among the foothills and Oak trees.


Steve Tankersley

Vice President

Steven Tankersley has 10 years of project management experience in education, medical, federal, private works, and government agency contracts. Steven is certified in OSHA 30, US Army Corps Quality Management, and is a LEED Accredited Professional as well as a licensed general contractor (B) in California. Steve is the owner of Tankersley Construction, and oversees the daily operations of the organization.

  • DVBE Certified
  • SVBE Certified
  • Licensed California General Contractor