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Grant Hartman | Colliers | Columbus

Grant Hartman

Brokerage Associate

License # 2013-00-2507

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Professional Summary

As a  Brokerage Associate at Colliers International, Grant specializes in office leasing and sales, in addition to contract work and negotiation, in the Greater Columbus area. He is a motivated entrepreneur providing successful solutions for his clients and colleagues.

In 2013, Grant received his Ohio Real Estate Sales License from Hondros College of Business and immediately began practicing commercial real estate. He has been involved in numerous transactions totaling more than $4,865,000 in value, and is currently listing over 500,000 SF of commercial space for lease.

As a natural born Buckeye, he received his Bachelor’s degree from The Ohio State University in 2017 with a major in Financial Services; Education and Human Ecology and a minor in Business Management. In his tenure at OSU, he was a member of the Fisher Real Estate Society.

Prior to joining Colliers International, and during his education at The Ohio State University, Grant was a Realtor with Keller Williams Consultants Realty, where he helped buyers and sellers with contract negotiations and assisted buyers in purchasing residential and land investment opportunities. His experience as a Realtor led to an internship at Colliers | Greater Columbus Region, where he then advanced into the Broker in Training Program before becoming a Brokerage Associate. In addition, Grant owns and manages three residential investment properties in The Ohio State Housing District.


Bachelor of Science Family Financial Services; Education and Ecology, The Ohio State University

Memberships & Involvements

Columbus Board of Realtors

Ohio Association of Realtors

NAIOP - Developing Leader 


Service Lines

Landlord Representation, Tenant Representation

Property Type


My Team

Featured Research

Mar 31, 2022

2022 Q1 Office Trends Columbus Colliers

Despite the ongoing COVID-19 health crisis, the Columbus office market recorded positive net absorption for the first quarter since Q1 2020. This 424,356 square feet of net absorption is a testament to the increased demand and leasing activity that Central Ohio has seen in recent months. The vacancy rate slightly increased to 12.86 percent, as construction completions added new available space to the market. Development remains strong, with six projects comprising of 947,188 square feet underway. Throughout 2022, Columbus can anticipate more growth as the office market rebounds and adapts to a post-pandemic world.
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Jan 1, 2022

2021 Q4 Office Trends Columbus Colliers

As the world continues to feel the effects of the ongoing COVID-19 pandemic, the Columbus office market recorded negative net absorption of 55,939 square feet in the fourth quarter. The negative year-to-date absorption of 717,942 square feet has driven vacancy from 11.8 percent in Q1 2021 to 12.76 percent this quarter. However, Central Ohio is showing signs of recovery, with new development and tenant demand picking up significantly throughout the year. With 1.3 million square feet of product underway and over 140 users searching for office space, Columbus can anticipate increased activity in the new year.
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Oct 1, 2021

2021 Q3 Office Trends Columbus Colliers

The Columbus office market continues to be impacted by the ongoing COVID-19 pandemic, recording 262,017 square feet of negative net absorption and vacancy of 12.7 percent.
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