Press Releases

Transwestern Advises Tenant in New 4,850 SF Lease at The Historic Herald Building

April 20, 2023

WASHINGTON – Transwestern Real Estate Services (TRS) announces the Society of Industrial and Office Realtors® (SIOR) has signed a 4,850-square-foot lease to relocate its worldwide headquarters to The Herald, a Class A, 114,000-square-foot office building at 1307 New York Avenue in Washington, D.C. Transwestern Executive Vice Presidents Matthew Levin, SIOR and Gary Schlager, SIOR have been providing tenant advisory services to SIOR for more than 20 years., and facilitated the relocation and new lease on behalf of the global real estate association.

“The Herald offers an optimal size and location for SIOR,” said Levin. “The Class A setting and modern amenities provide an elevated office and “hospitality-like” experience for the organization’s employees and guests.”

The Herald is a historic office building developed in 1923. The property, which completed an extensive $41 million transformation in 2021, features an elegant lobby on the club level with 22-foot ceiling heights, a lounge and cafe, a fitness center and a boardroom.  

“This move is an exciting milestone in SIOR’s history,” said SIOR Chief Executive Officer Robert Thornburgh, SIOR. “With Matt and Gary’s expert guidance, we chose The Herald as our new headquarters to reflect our collaborative, forward-thinking culture and our mission to continue elevating SIOR as a leading real estate organization.”

JLL represented the building owner, Marx Realty, in the transaction.

About SIOR

The Society of Industrial and Office Realtors ® (SIOR) is the leading society for industrial and office real estate professionals. Only the industry’s top professionals qualify for the SIOR designation and adhere to the highest levels of accountability and ethical standards. Today, there are more than 3,600 SIOR members in 722 cities and 45 countries.

About Transwestern Real Estate Services

Transwestern Real Estate Services (TRS) adds value for investors, owners and occupiers of all commercial property types through a comprehensive perspective and by providing solutions grounded in sound market intelligence. Part of the Transwestern companies, the firm applies a consultative approach to Agency Leasing, Asset Services, Tenant Advisory + Workplace Solutions, Capital Markets, and Research & Investment Analytics.

The privately held Transwestern companies have been delivering a higher level of personalized service and innovative real estate solutions since 1978. Through an integrated, customized approach that begins with good ideas, the firm drives value for clients across commercial real estate services, development, investment management, and opportunistic endeavors for high-net-worth investors. Operating from 33 U.S. offices, Transwestern extends its platform capabilities globally through strategic alliance partners whose unique geographic, cultural, and business expertise fuels creative solutions. Learn more at and @Transwestern.

Media Contact:
Jaime Luckey

Matthew Levin

Executive Vice President

Washington, District of Columbia

(202) 835-7224

Gary Schlager

Executive Vice President

Washington, District of Columbia

(202) 835-7222