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PS Business Parks

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Former U.S. real estate investment trust focused on multi-tenant industrial, flex, and office properties.

Last updated August 26, 2026

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Overview

PS Business Parks, Inc. was a United States real estate investment trust that acquired, developed, owned, and operated commercial properties, with an emphasis on multi-tenant industrial, flex, and office space. The business was created in 1990 as a division of Public Storage and became an independent publicly traded company through a 1998 spin-off. Its operating model centered on owning clusters of commercial buildings in established metropolitan markets, leasing space to a broad base of business tenants, and managing properties directly rather than operating as a consumer-facing real estate brand. The company’s portfolio was concentrated in major coastal and high-demand business markets. At the time described in the company’s final period of independent operation, its holdings included 97 properties totaling approximately 28 million square feet and serving about 5,000 tenants. The portfolio covered California, Texas, Virginia, Florida, Maryland, and Washington state. Property types included industrial facilities, business parks, office buildings, and flexible space suitable for uses ranging from warehousing and light industrial activity to corporate, service, and production operations. The portfolio also included approximately 800 residential units, including units under development, in Tysons, Virginia. PS Business Parks expanded through both organic ownership and acquisitions. Notable transactions included the 2002 purchase of Metro Park North, a 17-building business park in Rockville, Maryland; the 2011 acquisition of a large Northern California industrial and flex portfolio from a Deutsche Bank subsidiary; and the 2018 purchase of industrial properties in Northern Virginia. These transactions increased the company’s scale and broadened its exposure to markets with dense employment bases and established transportation infrastructure. The company remained publicly traded under the ticker PSB until its acquisition. On April 25, 2022, an acquisition of PS Business Parks was announced by Link Logistics Real Estate, an affiliate of Blackstone Real Estate. The transaction was completed on July 20, 2022, after which the company’s holdings were transferred to Link Logistics. PS Business Parks therefore no longer operates as an independent listed REIT. Its historical significance lies in the development of a sizeable multi-market commercial property platform within the Public Storage corporate family and its eventual absorption into Blackstone’s logistics real estate ecosystem.

History

PS Business Parks originated within Public Storage, a major U.S. real estate company. The business was formed in 1990 as a Public Storage division to own and operate commercial properties rather than the self-storage assets most closely associated with its parent. Its portfolio strategy emphasized multi-tenant industrial, flex, and office properties, generally located in large metropolitan areas and coastal employment centers. This model gave the company exposure to a wide range of business tenants and reduced reliance on any single occupier or property use. In 1998, PS Business Parks was spun off from Public Storage and became an independent publicly traded real estate investment trust. The separation allowed the commercial property platform to pursue acquisitions and portfolio management as a distinct listed company. During its independent period, PS Business Parks expanded its geographic reach through acquisitions and the continued development and operation of business parks and other commercial facilities. A significant early transaction occurred in 2002, when the company acquired Metro Park North in Rockville, Maryland. The property consisted of 17 buildings and was purchased for $125 million. The acquisition strengthened PS Business Parks’ presence in the Washington, D.C.-area commercial real estate market and illustrated its preference for multi-building business park environments rather than single-asset ownership alone. In 2011, the company purchased a 5.34-million-square-foot portfolio of industrial and flex properties in Northern California from a subsidiary of Deutsche Bank. The $520 million transaction materially increased the scale of the company’s industrial and flexible-space holdings in California, one of its core operating regions. It also reinforced the portfolio’s concentration in markets supported by diverse employment, logistics, and business activity. PS Business Parks continued to add assets during the following decade. In 2018, it acquired a portfolio of industrial properties in Northern Virginia for $143 million. Together with its Maryland properties, the Northern Virginia assets expanded the company’s presence in the broader Washington metropolitan region, an important market for office, industrial, and flex demand. By the end of its independent corporate history, PS Business Parks had assembled 97 properties totaling approximately 28 million square feet and serving about 5,000 tenants. Its properties were located in California, Texas, Virginia, Florida, Maryland, and Washington state. The portfolio included industrial, flex, and office buildings as well as approximately 800 residential units, including units in progress, in Tysons, Virginia. The company’s operating identity remained that of a diversified commercial property owner and manager rather than a consumer-oriented brand. The final transition came in 2022. On April 25, an acquisition by Link Logistics Real Estate, an affiliate of Blackstone Real Estate, was announced. The transaction was completed on July 20, 2022, and PS Business Parks’ holdings were transferred to Link Logistics. The completion ended PS Business Parks’ status as a standalone public REIT and placed its former portfolio within Link Logistics and Blackstone’s broader real estate operations.

  • 2022

    Acquisition completed and portfolio transferred

    [1]

    Link Logistics Real Estate completed its acquisition of PS Business Parks on July 20, 2022, transferring the holdings to an affiliate of Blackstone Real Estate.

  • 2018

    Northern Virginia industrial acquisition

    [1]

    PS Business Parks purchased a portfolio of industrial properties in Northern Virginia for $143 million.

  • 2011

    Northern California portfolio acquisition

    [1]

    The company acquired a 5.34-million-square-foot industrial and flex portfolio in Northern California from a Deutsche Bank subsidiary for $520 million.

  • 2002

    Metro Park North acquisition

    [1]

    PS Business Parks acquired the 17-building Metro Park North business park in Rockville, Maryland, for $125 million.

  • 1998

    Spin-off from Public Storage

    [1]

    The business was separated from Public Storage and became an independent publicly traded real estate investment trust.

  • 1990

    Formation as a Public Storage division

    [1]

    PS Business Parks was established as a commercial-property division of Public Storage.

Products and positioning

A former institutional commercial real estate owner and operator positioned around diversified, multi-tenant industrial, flex, and office properties in large U.S. metropolitan markets.

  • Industrial real estate

    Multi-tenant industrial properties

    Industrial properties were a core part of PS Business Parks’ portfolio. The company owned multi-tenant facilities designed for businesses requiring warehouse, distribution, light manufacturing, and related operational space. The properties were generally located in established metropolitan markets and were leased to multiple occupants, creating a diversified commercial tenant base.

  • Flexible commercial real estate

    Flex properties

    Flex properties combined office, production, showroom, warehouse, or light industrial functions and allowed tenants to adapt space to varied operating needs. PS Business Parks used this category to serve businesses that did not fit neatly into conventional office or industrial formats, particularly in dense and high-cost metropolitan markets.

  • Office real estate

    Office properties

    The company owned and operated multi-tenant office properties in its regional markets. These buildings complemented its industrial and flex assets and gave the portfolio exposure to professional services, corporate, administrative, and other office-based occupants.

  • Commercial property campuses

    Business parks

    Business parks were multi-building commercial environments containing combinations of office, industrial, and flex space. Metro Park North in Rockville, Maryland, was a notable example of this asset format. Such properties enabled centralized management and offered tenants a range of space configurations within one campus.

Brand decisions

  • 2022

    Accept acquisition by Link Logistics Real EstateM&A

    Background

    PS Business Parks operated a large portfolio of industrial, flex, and office properties across several major U.S. markets.

    Action taken

    An acquisition by Link Logistics Real Estate, an affiliate of Blackstone Real Estate, was announced on April 25, 2022, and completed on July 20, 2022.

    Aftermath

    The company ceased to operate as an independent listed REIT, and its holdings were transferred to Link Logistics.

  • 1998

    Separate the commercial property platform from Public StorageStrategy

    Background

    PS Business Parks had been operated as a division of Public Storage since its formation in 1990.

    Action taken

    The business was spun off from Public Storage and established as an independent publicly traded REIT.

    Aftermath

    The spin-off gave PS Business Parks a standalone public-company structure through which it could manage and expand a diversified commercial property portfolio.

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