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Extra Space Storage Inc.

Company History

Extra Space Storage History: Founding, Growth & Key Milestones

Founded 1977 in Salt Lake City, Utah

When was Extra Space Storage founded?

Extra Space Storage was founded in 1977 in Salt Lake City, Utah by Kenneth M. Woolley, making it 49 years old.

Founded
1977
Founding place
Salt Lake City, Utah
Founders
Kenneth M. Woolley
Headquarters today
Salt Lake City (Cottonwood Heights), Utah
Milestones documented
8 (1977–2026)
Current CEO
Joseph D. Margolis
Acquisitions
3
YearEvent
1977Extra Space Storage founded
2004NYSE initial public offering
2005Storage USA acquisition
2015SmartStop Self Storage acquisition
2017Joe Margolis becomes CEO
2023Life Storage merger closes
2025FY2025 revenue of $3.378 billion
2026CEO succession announced
Where was Extra Space Storage founded?
Extra Space Storage was founded in Salt Lake City, Utah in 1977.
Who founded Extra Space Storage?
Extra Space Storage was founded by Kenneth M. Woolley.
When did Extra Space Storage start?
Extra Space Storage was founded in 1977.
How old is Extra Space Storage?
Extra Space Storage is 49 years old as of 2026.

Founding Story

Kenneth M. Woolley, a Stanford-trained business academic and real estate developer, founded Extra Space Storage in 1977. For more than two decades the company grew as a developer and operator of storage properties, often funded through private partnerships and institutional partners. It consolidated those holdings and listed on the New York Stock Exchange in August 2004.

Founders

Kenneth M. Woolley

Kenneth M. Woolley founded Extra Space Storage in 1977 after an academic career in business, including graduate study at Stanford. He built the company as a developer and operator of storage properties funded through private partnerships and institutional partners, led it to its 2004 NYSE listing, and later served as chairman of the board. (Exact birth year remains publicly undisclosed).

Key Milestones

1977

Extra Space Storage founded

Kenneth M. Woolley founded the company as a developer and operator of self-storage properties.

Source: en.wikipedia.org
2004

NYSE initial public offering

Extra Space listed on the New York Stock Exchange under the ticker EXR in August 2004 and began operating as a REIT.

Source: en.wikipedia.org
2005

Storage USA acquisition

With Prudential Real Estate Investors, Extra Space acquired Storage USA, greatly expanding its national footprint.

Source: en.wikipedia.org
2015

SmartStop Self Storage acquisition

Extra Space acquired SmartStop Self Storage in an all-cash deal of about $1.4 billion.

Source: en.wikipedia.org
2017

Joe Margolis becomes CEO

Joseph D. Margolis succeeded Spencer F. Kirk as CEO on January 1, 2017.

Source: ir.extraspace.com
2023

Life Storage merger closes

Extra Space completed its all-stock acquisition of Life Storage in July 2023, becoming the largest U.S. self-storage operator by store count.

Source: en.wikipedia.org
2025

FY2025 revenue of $3.378 billion

Extra Space reported $3.378 billion in revenue and $972.3 million in net income attributable to common stockholders, with 8,393 employees at year-end.

Source: sec.gov
2026

CEO succession announced

Extra Space said President Noah Springer will become CEO on January 1, 2027, when Joe Margolis retires.

Source: ir.extraspace.com

Major Acquisitions

Life Storage

2023

All-stock merger with a major rival to gain scale, especially in Sunbelt and Northeast markets.

SmartStop Self Storage

2015

Added stores in coastal and high-barrier markets.

Storage USA (with Prudential)

2005

Joint acquisition with Prudential Real Estate Investors to build national scale.

Keep researching Extra Space Storage

Extra Space Storage Company History FAQ

When was Extra Space Storage founded?

Extra Space Storage was founded in 1977 by Kenneth M. Woolley.

When did Extra Space Storage IPO?

Extra Space went public on the NYSE in August 2004 under the ticker EXR.

What were Extra Space's major acquisitions?

Key deals include Storage USA with Prudential in 2005, SmartStop Self Storage in 2015 and the all-stock Life Storage merger in July 2023.

How many stores does Extra Space have today?

As of June 30, 2026, Extra Space owned and/or operated 4,410 stores in 42 states and Washington, D.C.

How did Extra Space Storage start?

Extra Space Storage was founded in 1977 by Kenneth Woolley. He was a real estate developer who realized that self-storage was an incredibly resilient business model. He built his first facility in Billings, Montana, and slowly expanded across the West before taking the company public in 2004.

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Content is for informational purposes only. Not financial advice. Data sourced from SEC filings, annual reports, and public records. See our full disclaimer and methodology.