Mike Holzgang

Mike Holzgang

Executive Vice President

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Professional Summary

Tenant Representation in Portland

Mike and his brokerage partner Brad Christiansen, have for more than 25 years successfully specialized in commercial real estate advisory services. They provide clients tenant representation in Portland that includes transaction management, consulting and related advisory services.

Mike and Brad’s Colliers International team provides select clients with refined real estate judgment developed in a highly active and successful commercial real estate practice. Throughout his career, Mike has received numerous service and production awards and is recognized in the Oregon marketplace as an industry leader in the area of tenant representation and related occupier services.


  • Board Member, past Chairman of the Board, Northwest Medical Teams International
  • Three-time recipient of SIOR’s Office Transaction of the Year Award
  • Nominee for Office Broker of the Year Award
  • Recipient of the Regional Client Service Award
  • Recipient of Port of Portland’s Outstanding Service Award
  • Panelist for the Institute of Real Estate Management Forecast Breakfast
  • Speaker for the Northwest Industrial Appraisal Seminar and Society of Design Administrators
  • Speaker for CREW and International Managers Association luncheon
  • Recognized by The Business Journal in 1997 as one of Portland’s "40 Under 40"


Bachelor of Science, Finance, University of Oregon


AKT CPA, Brown and Caldwell Engineers, CareOregon, CBS Interactive, City of Portland, City of Tualatin, Delap CPA, Downstream, Element Power, Family Care, Glumac International, GreenWood Resources, IHS Global, iSite Design, Kronos Software, Northwest Energy Efficiency Alliance - NEEA, Northwest Evaluation Association, OCHIN, OnPoint Community Credit Union, Tri-Met, VergePointe, Viasystems/Merix, Weyerhauser, Women's Health Association, Xilinix


"They helped me with amendments to the lease or any questions and helped me to identify any issues. They take a ton of work load off of me as it relates to the negotiations and make sure the lease application is appropriate."    - Cheryl Harmon | SRG Partnership


Service Lines
Tenant Representation
Property Types
Featured Research
Jun 29, 2020
2020 Q2 Portland Metro Office Report
Limited new supply buffered the negative impact of the COVID-19 pandemic on absorption, with vacancy for the Portland market increasing 20 basis points over the quarter to 10.9%, the highest it has been since Q1 2014. The negative 38K SF of net absorption is an improvement over the year, since Q2 2019 saw negative 120K SF. Asking rates across the region increased 8.1% over the year and 1.8% over the quarter.
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Apr 16, 2020
Portland Skyline Review - Q1 2020
This review takes a look at Portland’s most iconic towers. Premier criteria are as follows: 1) greater than 20 floors; 2) average annual asking rents above $40 PSF FSG; 3) RBA greater than 300,000 SF; 4) majority of RBA is office; 5) major renovation in the last 10 years; and 6) iconic to skyline. Each property must meet four of the six criteria.
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Apr 10, 2020
2020 Q1 Portland Metro Office Report
The diverse array of industries forming the bedrock of Portland’s office market will cushion most pandemic-related impacts of a downgraded economic forecast for the region. As investment activity shifts to favor healthcare-related and certain manufacturing assets, captialization rates are likely to increase, although it remains to be seen how lenders will tighten underwriting for debt replacement.
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