John Conger

Landlord Representation Office Leasing

  • Dallas
  • 1920 McKinney Avenue
  • Suite 1100
  • Dallas, Texas 75201 U.S.A.

John’s primary focus is landlord representation throughout the Dallas market. He has leased and/or had oversight responsibilities of over more than 100 office buildings, and has been involved in over 1 billion dollars in lease transactions.

John also played a key role in preleasing multiple office buildings to help kick start new construction of over 5 million square feet of office buildings in the Metroplex. Through his knowledge of multiple leasing markets, he participated with a team of principals in acquiring multiple office buildings totaling approximately $200 million in value in the states of Texas, Colorado, Minnesota and California.

Prior to joining Avison Young, John was with the Dallas-Fort Worth office of Colliers International for three years as an Executive Vice President. Prior to joining Colliers International, he was the Principal of CASE Commercial Real Estate, a highly successful brokerage firm headquarter in Texas, which was comprised of brokerage services, global corporate services, tenant representation, property management and leasing with additional offices in Fort Worth, Austin, Houston and San Antonio. John is often involved in the most complex commercial real estate transactions in the Dallas market and has more than 30 years of specialization in office leasing and office brokerage.



Southern Methodist University, Bachelor of Business Administration, Real Estate

Client List

  • JP Morgan: 750,000 SF
  • Freeport McMoran: 350,000 SF
  • First American: 260,000 SF
  • TXU: 250,000 SF


Parkview at 1920 McKinney
1920 McKinney Ave
Dallas, TX 75201
Office For Sale / For Lease
5360 Legacy Drive
5360 Legacy Drive
Plano, TX 75024
Office For Sale / For Lease
Auspire at the Gate
Auspire at the Gate
Frisco, TX 75034
Office For Sale / For Lease
100 E Royal Ln
100 E Royal Ln
Irving, TX 75039
Office For Sale / For Lease
The Farm in Allen
Alma Dr
Allen, TX 75013
Office For Sale / For Lease
Plano Corporate Center West
2301 W Plano Parkway
Plano, TX 75075
Office For Lease