Annual report pursuant to Section 13 and 15(d)

ORGANIZATION AND NATURE OF OPERATIONS

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ORGANIZATION AND NATURE OF OPERATIONS
12 Months Ended
Dec. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
ORGANIZATION AND NATURE OF OPERATIONS ORGANIZATION AND NATURE OF OPERATIONS
National Storage Affiliates Trust was organized in the state of Maryland on May 16, 2013 and is a fully integrated, self-administered and self-managed real estate investment trust focused on the self storage sector. As used herein, "NSA," the "Company," "we," "our," and "us" refers to National Storage Affiliates Trust and its consolidated subsidiaries, except where the context indicates otherwise. The Company has elected and believes that it has qualified to be taxed as a real estate investment trust for U.S. federal income tax purposes ("REIT") commencing with its taxable year ended December 31, 2015.
Through its controlling interest as the sole general partner of NSA OP, LP (its "operating partnership"), a Delaware limited partnership formed on February 13, 2013, the Company is focused on the ownership, operation, and acquisition of self storage properties predominantly located within the top 100 MSAs in the United States. Pursuant to the Agreement of Limited Partnership (as amended, the "LP Agreement") of its operating partnership, the Company's operating partnership is authorized to issue preferred units, Class A Units ("OP units"), different series of Class B Units ("subordinated performance units"), and Long-Term Incentive Plan Units ("LTIP units"). The Company also owns certain of its self storage properties through other consolidated limited partnership subsidiaries of its operating partnership, which the Company refers to as "DownREIT partnerships." The DownREIT partnerships issue equity ownership interests that are intended to be economically equivalent to the Company's OP units ("DownREIT OP units") and subordinated performance units ("DownREIT subordinated performance units").
The Company owned 809 consolidated self storage properties in 38 states and Puerto Rico with approximately 51.9 million rentable square feet in approximately 407,000 storage units as of December 31, 2023, which excludes self storage properties classified as held for sale consisting of (i) 39 self storage properties located in eight states, comprising approximately 2.4 million rentable square feet, configured in approximately 18,000 storage units to be sold to a third party in 2024 and (ii) 56 self storage properties located in seven states, comprising approximately 3.2 million rentable square feet, configured in approximately 24,000 storage units that were contributed to the 2024 Joint Venture in 2024. These properties are managed with local operational focus and expertise by the Company and its participating regional operators ("PROs"). As of December 31, 2023, these PROs are Optivest Properties LLC and its controlled affiliates ("Optivest"), Guardian Storage Centers LLC and its controlled affiliates ("Guardian"), Southern Storage Management Systems, Inc. d/b/a Southern Self Storage ("Southern"), Blue Sky Self Storage LLC, a strategic partnership between Argus Professional Storage Management and Uplift Development Group (formerly known as GYS Development LLC) ("Blue Sky"), affiliates of Investment Real Estate Management, LLC d/b/a Moove In Self Storage ("Moove In"), Hide-Away Storage Services, Inc. and its controlled affiliates ("Hide-Away"), Arizona Mini Storage Management Company d/b/a Storage Solutions and its controlled affiliates ("Storage Solutions"), and an affiliate of Shader Brothers Corporation d/b/a Personal Mini Storage ("Personal Mini").
Effective January 1, 2022, Northwest retired as one of the Company's PROs. As a result of the retirement, on January 1, 2022, management of our properties in the Northwest managed portfolio was transferred to the Company and the Northwest brand name and related intellectual property was internalized by the Company, and the Company discontinued payment of any supervisory and administrative fees or reimbursements to Northwest.
Effective January 1, 2023, one of our PROs, Move It Self Storage and its controlled affiliates, retired as one of the Company's PROs. As a result of the retirement, on January 1, 2023, management of our properties in the Move It managed portfolio was transferred to the Company and the Move It brand name and related intellectual property was internalized by the Company, and the Company discontinued payment of any supervisory and administrative fees or reimbursements to Move It.
As of December 31, 2023, the Company also managed through its property management platform an additional portfolio of 185 properties owned by the Company's unconsolidated real estate ventures. These properties contain approximately 13.5 million rentable square feet, configured in approximately 111,000 storage units and located across 21 states. The Company owns a 25% equity interest in each of its unconsolidated real estate ventures.
As of December 31, 2023, in total, the Company operated and held ownership interests in 1,050 self storage properties located across 42 states and Puerto Rico with approximately 68.6 million rentable square feet in approximately 542,000 storage units, excluding 39 self storage properties classified as held for sale located in eight states, comprising approximately 2.4 million rentable square feet, configured in approximately 18,000 storage units to be sold to a third party in 2024.
Information with respect to the square feet and number of storage units in each of the notes is unaudited.