In response to COVID-19, DEI Engineers will be closed to the public until further notice. We are working remotely and are available by phone at 775.329.2733 or by email:

Brian Dunagan – Brian@deiengineers.com

Robert Corbin – Robert@deiengineers.com

Erika Hull-Stancliff – Erika@deiengineers.com

Kristin Linde – Kristin@deiengineers.com

Rachel Cardillo – Rachel@deiengineers.com

If you have a new project, please email us any project related documents (i.e. drawings, photos, etc.) for our review and we will schedule a phone meeting to discuss.

Stay healthy and we look forward to seeing you in the near future!



Structural Engineering

  • Custom​ projects

  • Remodels

  • Renovations

  • Steel, concrete, masonry, & timber structures​

  • Concrete tilt-ups

  • Metal building foundations

  • Retrofits​


  • 3D renderings

  • As-builts

  • Site plans

  • Structural drawings

  • Electrical drawings

  • Mechanical drawings

Project Management

  • Review contractor budgets & invoices

  • Liaison to HOAs, owners, & agencies

  • Attend project meetings

  • Construction observation

  • Owner representation

Consulting & Expert Witness Services

  • Structural evaluation & repairs

  • Independent engineer review & peer review

  • Structural plan review

  • Seismic evaluations per ASCE 31 

  • Expert witness testimony



Founded in January 2010, Dunagan Engineering Inc. is a small engineering firm with offices in both Reno, NV, and Ashland, OR, that focuses on the structural design of buildings. DEI provides quality structural engineering services to architects, owners, contractors, and developers with a focus on efficiency, constructability, and our involvement as a team member on your project.

The firm’s staff has over 50 years of experience in the design of residential and commercial projects. Our reputation in the local engineering community is grounded in our sensitivity to our clients' needs and commitment to providing quality engineering services. Our clients appreciate our team-oriented approach to making each of their projects successful and our ability to bring cost-effective solutions to design challenges.



Chris Blakemore
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Chris has been a crucial part of the DEI team since 2010, providing drafting and modeling services.


Rachel Cardillo
Office Manager
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Rachel coordinates operations for both the Ashland and Reno branches from the Southern Oregon office. Read more …


Brian Dunagan, PE
Principal Engineer
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Brian brings more than 25 years of experience to DEI. His area of expertise and passion are in the design of timber-framed structures.

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Robert Corbin, PE
Project Engineer
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Robert has been working in the Lake Tahoe, CA, and Nevada area since 2007. His experience includes a very broad range of projects.

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Erika Hull-Stancliff, PE
project Engineer
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Erika has been working in Northern California and Nevada since 2005 and has a wide variety of experience both in commercial and residential structural design.

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Thank you for another job well done! We have trusted you with all our structural needs for 5 years now. We appreciate your willingness to fit site visits in quickly and your excellent communication through our projects. Your knowledge and professionalism provide us with peace of mind. That is worth its weight in gold.” 

— Melissa Palange, King Bee Construction



We collaborate with architects, who focus on the appearance, shape, size and use of buildings. By applying engineering principals and technology, we help the architect achieve the client’s vision for the project.

Insurance Agents

Our extensive experience with the design requirements and implementation of current codes gives us the understanding to help determine the crux of a structural failure. 


As your advocate, we consult with contractors throughout the construction project, offering expert advice on technical problems that often occur with both new construction and renovations.


Whether a renovation or new construction, we play a vital part in the successful design of your building. This carries over to the construction phase where you can count on us to keep your ultimate goals the highest priority.


We work hand-in-hand with developers and their architectural design and land planning team to ensure constructability of their projects—whether residential, commercial, industrial or other.


Let DEI Engineers help you design and build the structure that best fits your needs—using the most cost-effective solution to your project. Our team approach takes your project from design through construction.



Ashland, OR

Office & Mail

696 Mistletoe Road #203

Ashland, OR 97520


TEL: 541-897-0021

FAX: 888-873-0790

Reno, NV


9210 Prototype Drive #200

Reno, NV 89521


4790 Caughlin Pkwy #766
Reno, NV 89519

TEL: 775-329-2733

FAX: 888-873-0790


For any inquiries, questions, or commendations, please email info@deiengineers.com or fill out this form.

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