Ronna Larsen | Colliers International | Chicago - Rosemont

Ronna Larsen


Senior Research Manager

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Professional Summary

Working alongside the office tenant and landlord representation brokers of Colliers International | Chicago’s Suburban Office Advisory Group, I provide our clients with customized reporting and analysis. As the research manager for the Suburban Office Advisory Group, I specialize in the collection and analysis of market and economic related statistics and prepare quarterly market reports for the overall suburban office market and individual submarkets.

I provide detailed market knowledge through the collection, organization and distribution of primary data including lease comparables, tracking tenants in the market, large-block availabilities as well as creating drive-time and demographic analysis and competitive building skyline reports. My more than 20 years of real estate experience have made me an integral asset to the team.

Prior to joining Colliers, I spent 10 years with CoStar managing the Chicago tenant division. During my tenure, I was responsible for the overall comprehensiveness and quality of a database of 50,000 tenants.


In 2013, I achieved the Commercial Property Research Certification (CPRC), which requires more than 25 hours of online coursework. CPRC offers a professional development path to increase strategic and tactical expertise in research, knowledge of the real estate industry and capabilities with the required tools.


  • Triton College


  • American Landmark Properties
  • CBRE Global Investors
  • Colony Realty Partners
  • Deutsch Asset & Wealth Management
  • Equus Capital Partners
  • Fulcrum Asset Advisors
  • Highland Management Associates
  • Lowe Enterprises
  • ML Realty Partners
  • Parkway Properties
  • Peak Development
  • Principal Financial
  • Tellabs Corporation


Service Lines
Property Type
Featured Research
Jan 15, 2021
2020 Q4 Chicago Suburban Office Report
The first half of 2021 is expected to have minimal leasing velocity, with many companies still evaluating what the future of their workspace will look like as they plan a return to the office following the broader distribution of COVID-19 vaccines. Optimistically, we are expecting increased transaction volume in the second half of the year as these companies look to implement their new real estate strategies. However, this will likely still result in increased vacancy, both on a direct and sublease basis, and negative absorption for calendar year 2021.
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Oct 16, 2020
2020 Q3 Chicago Suburban Office Report
Overall vacancy in the suburbs increased 100 basis points, rising to 23.2 percent since last quarter. ​Class A vacancy also increased, rising to to 23.9 percent, up 100 basis points from second quarter.
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Jul 16, 2020
2020 Q2 Chicago Suburban Office Report
Overall vacancy in the suburbs remained relatively flat, dropping 10 basis points to 22.2 percent since last quarter. Class A vacancy decreased slightly, dropping to 22.2 percent, down 20 basis points from first quarter. While year-to-date absorption remained negative, the suburban office market achieved 192,852 square feet of positive absorption in the second quarter as tenants who signed leases late in 2019 moved into their space. Most of the positive absorption came from Class A product.
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