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Rittenhouse Realty Advisors Announces Prime Development Opportunity: Rittenhouse Square Development Site With Master Lease to Hotelier ‘Sonder’

PHILADELPHIA, Sept. 05, 2019 (GLOBE NEWSWIRE) -- Rittenhouse Realty Advisors is pleased to announce a new development opportunity for sale located at 1620 Sansom Street in the Rittenhouse Square neighborhood of Philadelphia.  The property is available for sale as a joint venture partnership with the current owner and is also for sale outright.  The property has desirable CMX-5 zoning and is currently a mixed-use building with 300 garage parking spaces and retail tenants.  Rittenhouse Realty Advisors is presenting it as a development opportunity to build 208 apartments (147,070 SF) above the garage, which will be master leased to Sonder Inc., a growing, international apartment-style hotel chain.  According to Forbes Magazine, the company was recently valued at $1.1 billion.

Rittenhouse Realty was selected by current owner Bridge Funding out of New York to bring the opportunity to market.  

Ken Wellar, Managing Partner of RRA, stated: “1620 Sansom Street is a very unique opportunity.  It’s the first of its kind in which the site is being sold based on the master lease.  It is also one of the last remaining CMX-5 parcels left to develop in Rittenhouse Square.”

Sonder is expanding its presence in Philadelphia. Rittenhouse Realty’s Chris Egan, Senior Associate, and Seth Douglas, Associate, recently sold 222 Vine Street, a fifteen-unit building in the Old City neighborhood of Philadelphia, which also has a master lease in place with Sonder, to an out of state buyer. 

Egan noted: “The sale of 222 Vine further illustrates the trend of out of town investors seeking tremendous value in the Philadelphia market.  Sonder's master lease bridged the gap between the developer's otherwise potentially lengthy lease-up period and the buyer's 1031 timeline to acquire the asset.”

Douglas added: “Sonder sees the value in Philadelphia's growth as a "Meds & Eds" city that brings increased popularity and demand to both the traditional hotel and short-term rental markets.”

For more information, please call the Rittenhouse Realty Advisors office at 215.454.2852.  

For more information on current rates or to view our available listings visit

Based in Philadelphia, Pennsylvania, Rittenhouse Realty Advisors is a real estate advisory firm with an extensive focus in the brokerage of multi-family communities throughout the northeast region of the United States. Formed in February 2013 by a group of advisors with more than 30 years of commercial investment sales experience, our focus is on multi-family and mixed-use properties with significant residential components.

Press Contact: Corey Lonberger and Ken Wellar
Managing Partners

A photo accompanying this announcement is available at

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1620 Sansom Street