Architecture and Engineering

Jurisdictional Due Diligence

Whether a stand-alone task or an element of a larger scope, our experienced architects and designers will complete a comprehensive jurisdictional due diligence for your project.

Trileaf’s extensive background informs our project workflow: though most jurisdictions have permit requirements posted online, our personnel have achieved the most success through a simple phone call to ask the right questions.




As-Built Site Surveys


Phase I ESAs

“Trileaf has always been responsive and professional, and fair to our small business clients when it comes to understanding what we must have to comply with SBA requirements. We value the relationship and look forward to continuing to help our clients successfully complete their projects.”

Steve Bilko Vice President, SBA Credit Services Manager | First Commonwealth Bank

“The Trileaf team consistently provides Gold Standard service and products! They are very professional and efficient. The team provides expert attention and detail to their projects and are easy to contact to address any questions or concerns. They are one of our preferred environmental firms.”

Michele Mayer Toor Due Diligence Supervisor | Old Republic Insurance Group

“Working with Howard and Suzanne is great. Both are professional without being stuffy. They delivered everything we needed on a short notice and in less time than promised. We will definitely use Trileaf again. Oh, the price was reasonable and just as discussed, as well.”

Robert McQueen Vice President Finance & CFO

“It is absolutely great to be a part of a team where folks look out for each other. I have worked a lot of years and have not experienced anything like this.”

Lee Gorday Trileaf

Related services

As-Built Site Survey

We consistently update our site surveying techniques with the latest technologies. Our capable, full-time professionals conduct over 2,500 site surveys per year.

Construction Documents

We are proud of our efforts to create sensical, cost-effective solutions for both the wireless telecommunications infrastructure and commercial (retail, office, banking, etc) industries.


Trileaf employs full-time, in-house permit expeditors to submit permit applications in the manner most convenient to the jurisdiction.

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