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Opal Team

Samantha Stahlnecker, P.E.

Samantha Stahlnecker, P.E.

Samantha Stahlnecker, P.E.

Samantha was born and raised in Hailey. She earned her Civil Engineering degree from Gonzaga University in 2013 and moved to Portland, Oregon to work for a large engineering firm. She moved back to Hailey in 2015 and has been immersed in the civil engineering and local development community since. Together with her husband, Dilan, she is busy raising her energetic son and enjoys hiking and skiing.

Yessica Calvo Garcia

Samantha Stahlnecker, P.E.

Samantha Stahlnecker, P.E.

Yessica grew up in Chiapas, Mexico where she attended Queretaro Technical College and earned her degree in Industrial Engineering. Yessica competed as a professional basketball player in the ABC Semi-Professional Basketball League from 2016-2018. After working in Mexico in the industrial engineering field, she moved to Hailey in 2020 and began working in the local engineering field in 2022.



Opal Services

Project Management

Construction Management

Project Management

Samantha has managed residential and commercial projects ranging in size from individual residential lots to mixed-use urban and large scale subdivision developments. Samantha has strong relationships with municipal staff in the Wood River and Magic Valley jurisdictions and can be a valuable asset to your project's efficient entitlement. 

Civil Engineering

Construction Management

Project Management

Opal Engineering can provide engineering design services including but not limited to:

  • Underground Utilities (Water, Sewer, Joint Utility Coordination)
  • Stormwater
  • Grading 
  • Accessibility (ADA)
  • Road Horizontal and Vertical Alignment
  • Conceptual Subdivision Lot Layout

Construction Management

Construction Management

Construction Management

Opal can provide assistance to ensure a smooth construction process. Samantha works with design teams and contractors to ensure projects are complete and clear. Construction Management services include:

  • Bid Document Preparation
  • Bid Management
  • Pay Application Review
  • Site Observation
  • Punch List Preparation


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