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What is a PZR?

A PZR Report®, or a Zoning Report, is a detailed document that summarizes and analyzes the zoning classification and land use regulations applicable to a specific parcel of property. It is a critical due diligence tool used in commercial real estate transactions, development planning, and financing processes. Partner Engineering and Science, Inc. provides this service to current and potential commercial real estate clients. To learn more, check out our Partner Zoning Report service page.

Understanding the Pipeline and Informed Planning Alliance (PIPA) Risk Mitigation Program

For commercial real estate developers and property owners with interests along pipeline rights-of-way (ROWs), understanding the Pipeline and Informed Planning Alliance (PIPA) risk mitigation program is crucial, since it may be necessary for LIHTC funding applications.

Newsletter: From Tariffs to Low Bids, What’s Shaping Construction Risk Today

From tariffs to low bids, you’ll learn what’s shaping Construction Risk today in the latest Construction Risk Management newsletter. Also, a must-read, check out the latest 2025 Construction Risk Management Journal, highlighted in this edition.

Partner Founder Joseph Derhake Named a Finalist in LA Times Executive Forum and Leader Awards

May 2025—Torrance, CA—Partner Engineering and Science, Inc. (Partner), is pleased to announce that its founder and CEO, Joseph P. Derhake, PE, was selected as a finalist in the 2025 LA Times Studios LA Executive Forum and Leader Awards.

Partner Grows 19% in 2024 Despite Challenging Commercial Real Estate Market

Partner experienced significant growth in 2024 despite challenges in the CRE market, with annual revenue increasing to $334,204 from $279,640 in 2023 (19%). To support this growth and in anticipation of increasing demand, Partner increased its staff from 1,300 employees in 2023 to over 1,400 at present.

Contractors Prepare for the Impact of Tariffs on Construction

Survey Insights into the Construction Industry’s Response to Tariffs By Robert W. Barone, R.A., LEED AP, Director of Construction Services at Partner Engineering and Science, Inc. | Published May 12th, […]

Retail Market Update: Holding Steady Despite Store Closures

Bolstered by limited supply and a light construction pipeline, retail real estate is performing well and is expected to continue to perform through 2025. The industry is experiencing low vacancy and high rent spreads that are contributing to positive outcomes.

Partner Welcomes Justin Arias as Director based in Chicago Metro

CHICAGO, IL – Partner Engineering and Science, Inc. is pleased to welcome Justin Arias to the position of Director based out of Chicago, Illinois l Mr. Arias brings over a decade of leadership experience to this role and a focus on operational management and organizational leadership. 

2025 CLRM Journal

Celebrated during CLRM’s 12th annual roundtable in Denver, this year’s Journal brings together insights and expertise from across the construction lending community. The 2025 edition tackles timely issues such as shifting construction activity by asset class, emerging market risks, and the continued evolution of SBA construction lending.

NAWM features Partner’s Katie Morgan in its February Member Spotlight

Members of the National Association of Wetland Managers (NAWM) recently featured Partner’s Katie Morgan, PWS, EP, Director of Natural and Cultural Resources at Partner Engineering and Science, Inc., in its February Member Spotlight. The edition highlights the good work members are doing to protect and restore our wetland resources, how they came to work in wetlands, and how being a member of the Association benefits their work. Katie shares her own experiences, including her time working at Partner. Make sure to visit the post for more information.

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