Mid-America Apartment Communities
A publicly traded U.S. real estate investment trust that owns, develops, and manages multifamily apartment communities.
Last updated August 21, 2026
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Overview
Mid-America Apartment Communities, Inc., commonly known as MAA, is a publicly traded real estate investment trust headquartered in Memphis, Tennessee. The company focuses on multifamily residential real estate, including the ownership, operation, management, and development of apartment communities. Its portfolio is concentrated in the Southeastern and Southwestern United States, markets characterized by substantial population growth, employment expansion, and demand for rental housing. The business originated in 1977 as The Cates Co., founded by George E. Cates. It was reorganized as a real estate investment trust in 1993 and became a public company through an initial public offering in February 1994, after acquiring The Cates Company from its founder. These changes established the corporate and capital-market structure through which MAA expanded its apartment portfolio. MAA has grown through both internal development and major corporate acquisitions. Two notable transactions were the acquisition of Colonial Properties in October 2013 and the acquisition of Post Properties in December 2016. These combinations expanded MAA's geographic reach and apartment holdings, particularly across high-growth metropolitan areas in the Southeast and Southwest. The company also operates as a large-scale apartment property manager, giving it responsibility for leasing, resident services, maintenance, property operations, and community-level performance across its portfolio. As of December 31, 2024, MAA owned 301 apartment communities containing 102,348 apartment units. The company was described as the second-largest owner of apartments in the United States and the twelfth-largest apartment property manager in the country. It was also ranked 1,785th in the Forbes Global 2000. These figures indicate the scale of MAA's role in the U.S. rental-housing sector, although they do not by themselves describe the financial performance of the company. MAA's offering is centered on professionally managed apartment housing rather than a single consumer product. Its communities provide rental homes supported by property-management services and amenities that vary by development. The company's positioning is that of a large, institutional multifamily housing owner and operator with a regional concentration in attractive U.S. growth markets. Its business model depends on acquiring, developing, maintaining, leasing, and managing apartment assets over the long term. The company has also faced regulatory and litigation-related scrutiny. In 2018, it paid $11.3 million to settle a complaint alleging that Post Properties had violated design and construction requirements under the Fair Housing Act and the Americans with Disabilities Act at 50 properties. In 2023, MAA was named as a defendant in a class-action lawsuit concerning the use of RealPage software in rent-pricing practices; the lawsuit was reported as settled in January 2026. These matters are relevant to the company's regulatory and legal history but do not change its status as an active apartment-focused REIT.
History
Mid-America Apartment Communities traces its origins to The Cates Co., which was founded in 1977 by George E. Cates. The early business formed the basis for a residential real-estate enterprise that would later become one of the larger apartment owners and operators in the United States. In 1993, the company was organized as a real estate investment trust. This restructuring placed the business within the REIT framework and supported access to public equity markets. In February 1994, the company acquired The Cates Company from George E. Cates and became publicly traded through an initial public offering. The public-company structure enabled MAA to pursue a broader acquisition and development strategy while concentrating on multifamily housing. MAA subsequently expanded its portfolio through a combination of apartment development, property ownership, and corporate acquisitions. In October 2013, it acquired Colonial Properties, a transaction that increased the scale of its apartment holdings and strengthened its presence in the Southeastern and Southwestern United States. In December 2016, MAA acquired Post Properties, adding another substantial portfolio of multifamily communities and expanding its position in major regional housing markets. The Post Properties combination also created later legal and regulatory exposure. In November 2018, MAA paid $11.3 million to settle a complaint alleging violations of design and construction requirements under the Fair Housing Act and the Americans with Disabilities Act at 50 properties associated with Post Properties. The matter concerned accessibility and housing-law compliance in property design and construction. George E. Cates retired from the company in March 2009. MAA continued operating as a publicly traded apartment REIT, with activities spanning ownership, leasing, property management, development, and investment in multifamily communities. By December 31, 2024, the company owned 301 apartment communities comprising 102,348 apartment units. It was described as the second-largest apartment owner in the United States and the twelfth-largest apartment property manager in the country. More recently, MAA became involved in litigation related to the apartment industry's use of algorithmic rent-pricing tools. In January 2023, it was named as a defendant in a class-action lawsuit concerning RealPage software and alleged rent-pricing coordination. The lawsuit was reported as settled in January 2026. The matter forms part of broader scrutiny of technology-assisted pricing practices in the U.S. rental-housing industry. Despite these legal issues, MAA remains an active REIT focused on multifamily housing in the Southeast and Southwest.
- 2024
Portfolio reaches more than 100,000 apartment units
[1]As of December 31, MAA owned 301 apartment communities containing 102,348 units.
- 2016
Acquisition of Post Properties
[1]MAA acquired Post Properties in December, adding apartment communities and expanding its regional operating platform.
- 2013
Acquisition of Colonial Properties
[1]MAA acquired Colonial Properties in October, expanding its multifamily housing portfolio.
- 2009
Founder retires
[1]George E. Cates retired from the company in March.
- 1994
Public offering and acquisition of The Cates Company
[1]In February, the company acquired The Cates Company from George E. Cates and became publicly traded through an initial public offering.
- 1993
REIT organization
[1]The company was organized as a real estate investment trust.
- 1977
The Cates Co. is founded
[1]George E. Cates founded The Cates Co., the predecessor to Mid-America Apartment Communities.
Products and positioning
A large institutional owner and operator of multifamily rental housing, concentrated in the Southeastern and Southwestern United States.
Multifamily residential real estate
Apartment communities
MAA's principal offering is a portfolio of apartment communities leased to residential tenants. The properties are located primarily in the Southeastern and Southwestern United States and are operated through professional leasing, maintenance, resident-service, and property-management functions. Community features and amenity packages vary by property, but the core proposition is professionally managed rental housing within a large regional portfolio.
Property management services
Multifamily property management
MAA manages apartment properties at scale, overseeing leasing, occupancy operations, maintenance, resident relations, and community performance. Its management platform supports both the day-to-day operation of owned communities and the long-term preservation and improvement of multifamily assets. The company was described as the twelfth-largest apartment property manager in the United States.
Residential real estate development
Apartment development and investment
In addition to operating existing communities, MAA invests in the development and improvement of multifamily residential properties. Development and acquisition activities allow the company to expand its portfolio in selected metropolitan markets, while ownership provides the asset base from which rental income and property-management operations are generated.
Controversies
2023
RealPage rent-pricing litigation
MAA was named as a defendant in a class-action lawsuit concerning the use of RealPage software to control rent pricing. The lawsuit was reported as settled in January 2026.
2018
Fair Housing Act and ADA complaint settlement
MAA paid $11.3 million to settle a complaint alleging that Post Properties violated federal Fair Housing Act and Americans with Disabilities Act design and construction requirements at 50 properties.
Brand decisions
2016
Acquired Post PropertiesM&ABackground
MAA continued its strategy of expanding through large multifamily real-estate combinations.
Action taken
The company acquired Post Properties in December.
Aftermath
The acquisition increased the scale of MAA's apartment holdings and later became relevant to the 2018 accessibility-compliance settlement.
2013
Acquired Colonial PropertiesM&ABackground
MAA pursued portfolio growth in its regional multifamily housing markets.
Action taken
The company acquired Colonial Properties in October.
Aftermath
The transaction expanded MAA's apartment portfolio and operating footprint.
1993
Adopted the REIT structureStrategyBackground
The predecessor business was reorganized as a real estate investment trust as part of its transition toward a larger institutional and public-market platform.
Action taken
The company adopted the REIT structure.
Aftermath
The restructuring preceded the company's 1994 public offering and subsequent expansion through acquisitions and multifamily property investment.
Sources1 sources
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