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Marc Posthumus | Colliers | Carlsbad

Marc Posthumus

Vice President

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Professional Summary

Marc Posthumus is a Commercial Real Estate Broker with over twenty years of experience in the industry. Mr. Posthumus is committed to the highest level of client service and his primary areas of focus are office, industrial and R&D properties.



Marc Posthumus is an expert in the area of owner occupied real estate and private capital investment sales.  He takes a consultative approach to advising his clients on their long term real estate strategy. Mr. Posthumus has extensive experience in both acquisitions and dispositions and works closely with his clients to navigate through the process of both conventional and SBA financing.


Hope College in Michigan - Bachelor of Arts - 1996

Certified Commercial Investment Member (CCIM) 2003

Memberships & Involvements

NAIOP, CEO Breakfast Roundtable - Principal Member, Big Brothers and Big Sisters of San Diego - Big Brother Volunteer, Century Club of San Diego,  La Jolla Country Club 


·       Kilroy Realty

·       Prudential Real Estate

·       Arden Realty

·       Bel Fuse Inc.

·       Excel Trust

·       Ickler Electric

·       Brehm Communications

·       KidVentures



Bank REO, Financial Analysis

Service Lines

Landlord Representation, Tenant Representation, Capital Markets

Property Type

Industrial, Office

My Team

Featured Research

Jan 24, 2023

San Diego office market on a positive note in Q4

2022 Q4 Office San Diego Region
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Jul 12, 2022

San Diego office market demand surges in Q2

2022 Q2 Office San Diego Region
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Featured News

Dec 10, 2021

Escondido Medical Office Sale Sign of Steady Growth

Real Estate: NY Investors Behind $26M Deal
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