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Sean Perrotto, PE

Sean has been registered in Arizona since 2010. He has over 20 years of experience in the civil engineering industry, working for small and large firms, and in both the public and private sectors throughout his career, with almost a full year of staff augmentation experience within the local municipality.


Sean’s expertise in the private sector lies in preparing improvement plans and design reports for commercial and residential land development projects. In the public sector, he’s worked with colleagues teaming with larger engineering firms to prepare construction bid documents for capital improvement projects including, but not limited to: water, wastewater, roadway, drainage, and construction management.

Principal Engineer 


Eric Perrotto

Principal Designer 

Eric brings over 20 years of experience in civil engineering and has been the lead designer for small firms and utilized across multiple larger firm offices. He’s experienced in a wide range of improvement plan design including single-family residential subdivisions, commercial gas stations, warehouses, storage units, recreational vehicle parks and municipal infrastructure projects.

Eric is an AutoCAD Civil 3D expert. Leveraging this industry-leading platform, Eric is able to design and model roadways, utilities, and grading to construction grade quality, which equates to savings in time and money for our clients.

Mike Rosales 

Senior Civil Designer 

Chase Perrotto

Civil Designer I

Joe Culwell

Civil Designer I

Kayla Sena 

Office Administrator 

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Jamie Blanchard

Office Administrator

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