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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

Jan 9, 2023

2022 Q4 Office Columbia Report

Most Columbia office leases are 5,000 SF or less-overall Class A vacancy rate in the central business district is 9.73% leaving little opportunity for 10,000+ square feet to locate to the Columbia downtown
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Oct 6, 2022

2022 Q3 Office Columbia Report

Class B office upgrades necessary to compete-Going forward, Class B office owners will need to upgrade dated space and add amenities
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Jul 7, 2022

2022 Q2 Office Columbia Report

Flight-to-quality-Class A vacancy rate within the Columbia central business district dropped to 12.47% during the second quarter of 2022 due to 55,062 square feet of absorption
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Featured News

Jan 26, 2023

Colliers brokers lease in Columbia's premier Devine Street corridor

Columbia, SC – Colliers | South Carolina’s brokerage associates Mary Winter Teaster represented the tenant, Dr. Mariangela Rivera/The Ratio by Body Math, and Tommy Tapp represented the owner, the Wells family, in the lease of a ±1,465-square-foot medical office space at 2231 Devine Street.
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Jan 20, 2023

Colliers brokers lease at 2744 Millwood Avenue in Columbia

Columbia, SC – Colliers | South Carolina’s Mary Winter Teaster represented the tenant, Dr. Meghan Davidson / Soulshine Pelvic Health and Wellness, and Ryan McCue, ALC, represented the owner, 2744 Millwood LLC, in the lease of a ±1,987-square-foot office space at 2744 Millwood Avenue.
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