Keystone Engineers
Home
About Us
Contact Us
Services
Projects
  • River Stone Ranch
  • Cherry Landing
  • Cider Works Market
  • Handley Subdivision
Keystone Engineers
Home
About Us
Contact Us
Services
Projects
  • River Stone Ranch
  • Cherry Landing
  • Cider Works Market
  • Handley Subdivision
More
  • Home
  • About Us
  • Contact Us
  • Services
  • Projects
    • River Stone Ranch
    • Cherry Landing
    • Cider Works Market
    • Handley Subdivision
  • Home
  • About Us
  • Contact Us
  • Services
  • Projects
    • River Stone Ranch
    • Cherry Landing
    • Cider Works Market
    • Handley Subdivision

Meet Our Team

Smiling man in black blazer against a plain background.

Carlos Guillén, PE

Tyler McDonald, EIT

Tyler McDonald, EIT

Principal Engineer

Generic profile silhouette icon on a dark background.

Tyler McDonald, EIT

Tyler McDonald, EIT

Tyler McDonald, EIT

Project Manager

Smiling man standing by a serene lake with mountains in the background.

Porfirio David Ávila Altamirano,

Porfirio David Ávila Altamirano,

Porfirio David Ávila Altamirano,

Project Engineer

Neo Valle

Neo Valle, EIT

Porfirio David Ávila Altamirano,

Porfirio David Ávila Altamirano,

Project Engineer

Keystone Engineers

10 1st Street Suite 118, Wenatchee, Wash. 98801, USA

(509) 293-6693

Copyright © 2026 Keystone Engineers - All Rights Reserved.

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