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Mary Teaster | Colliers | Columbia

Mary Teaster

Senior Brokerage Associate

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Professional Summary

My focus is local office brokerage, with a focus on tenant representation as well as buyer and seller representation. 

I have over 40 years of experience in the the Midlands business community and I strive to bring a positive attitude and passion for the area and its attributes. As a problem solver with “big picture” vision, my professional and personal strength is networking and establishing strong relationships. I possess extensive experience in working with small business owners, professionals and non-profit organizations.


My leadership and service has resulted in multiple commendations from various organizations. As a recipient of the “Circle of Excellence” for multiple years of top commercial leasing and sales transactions, I was also awarded the President’s Excellence Program Award from the Central Carolina REALTORS® Association.


Prior to working at Colliers, I was Senior Managing Director for CBRE Columbia for 12 years. Prior to my  career change to commercial real estate in 1998, I spent 20 years in banking as a senior lender and business development executive to develop multiple, long-standing business relationships.

Memberships & Involvements

CREW – Commercial Real Estate Women
CCRA – Central Carolina REALTORS® Association
SCRA – South Carolina REALTORS® Association
NAR – National Association of REALTORS®

Highly active in the Columbia non-profit and civic community. I share an enthusiasm and devotion to serving others. Currently, I serve on the Board of Directors for PRISMA Health-Midlands and PRISMA Baptist Board. I was founding board member and chair for CREW-Midlands (Commercial Real Estate Women), and President of the Board of Directors for Girl Scouts of South Carolina, Mountains to Midlands. I have remained active in MIRCI (Mental Illness Recovery Center, Inc.) for over 20 years. I am an active member of Trenholm Road Methodist Church and I have served on a mission team to San Salvador for many years.


“Mary Winter knows Columbia and she definitely knows commercial real estate! When we spun our practice off from our previous firm, Mary Winter was there for us. She spent several meetings getting to know us, what our needs were, and then flawlessly executed, in a condensed time frame, to put us in the perfect space to launch out new company. I would highly recommend her to any professional looking for office space.”

- Bill Bossong, Chief Executive Officer of Valuant Analytics


Service Lines

Tenant Representation, Landlord Representation

Property Type


Featured Research

Apr 1, 2022

2022 Q1 Columbia Office Report

Rising transaction costs impact office activity-construction prices are on the rise at such a rapid pace that quotes for build-outs are often invalid by the time a new lease nears execution
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Jan 3, 2022

2021 Q4 Office Columbia Report

COVID impact hits Columbia office market
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Oct 4, 2021

2021 Q3 Office Columbia Report

Columbia anticipates an increase in office availabilities
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Featured News

May 11, 2022

Mary Winter Teaster of Colliers facilitates female entrepreneurship in the midlands

Columbia, SC - Colliers | South Carolina’s Mary Winter Teaster has brokered over 675,000 square feet of space to multiple female-owned businesses since 2020.
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May 5, 2022

Colliers Dealmakers: Recent purchases, sales, leases and investments in South Carolina

Columbia, SC – Colliers | South Carolina is pleased to announce the following recently completed commercial real estate transactions from our office in Columbia.
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