Leigh Callaghan | Colliers International | Seattle

Leigh Callaghan

Senior Vice President

Call Leigh
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Professional Summary

Leigh Callaghan is a Senior Vice President in Colliers International’s Seattle, WA office. He has been active in the local commercial real estate market for over 33 years and a member of the Colliers family for 30 years.  Leigh specializes in office leasing and tenant advisory services in Seattle and throughout the Pacific Northwest. He has also assisted national and global organizations including Robert Half International, Getty Images, Clearwire and Adobe with portfolio planning, strategy development, and transaction management and execution in both the Puget Sound and other markets.


Leigh brings many skills to his client relationships including a wealth of experience in office leasing from both the owner and tenant’s perspective. He has negotiated leases totaling more than 5 million square feet of office space on behalf of tenants. Select successes for clients include the following notable transactions:

  • Clearwire     1,000,000 SF *
  • Getty Images      250,000 SF
  • Adobe    164,000 SF
  • Robert Half International    150,000 SF*
  • Allstate Insurance     95,000 SF
  • Watermark Estate Management       75,000 SF
  • CommerceHub    75,000 SF
  • NEXTEL Communications Inc.      70,000 SF
  • COWI Engineers     55,000 SF
  • EagleRiver      50,000 SF
  • UW Physicians    46,000 SF*
  • CVS.com (formerly Soma.com)     45,000 SF
  • Electroninc Evidence Discovery     35,000 SF
  • Western Wireless /T-Mobile       35,000 SF
  • HNTB Engineers    30,000 SF
  • Northeastern University  30,000 SF
  • Splunk   20,000 SF
  • Badgely Phelps Investment Counselors    16,000 SF
  • Pendrell Corporation   18,000 SF
  • BDO Siedman     17,000 SF
  • RLI/CBIC Insurance    15,000 SF
  • OSSIA    14,000 SF
  • Admiral Insurance/Berkley      13,000 SF
  • Bq3c      12,000 SF

* multiple transactions

Leigh has also completed a number of significant sale transactions over the course of his career, including:

  • 400 Mercer Bldg.
    Seattle, WA                                   $12,150,000
  • Royal Oaks Mine Bldg.
    Kirkland, WA                                   $6,000,000
  • Fairview Club Bldg.
    Seattle, WA                                     $5,500,000
  • 9100 Industrial Park
    Tukwila, WA                                    $3,206,000
  • 3rd & Virginia ¼ Block
    Seattle, WA                                     $2,250,000
  • Interurban Bldg.
    Seattle, WA                                     $2,100,000
  • Digicolor Building
    Seattle, WA                                        $875,000



University of Washington, Bachelor of Arts in Communications andMarketing

Memberships & Involvements

  • CBA - Commercial Brokers Association
  • WSCAR - Washington Association of REALTORS
  • Bishop Fleet Foundation (Vice President and Trustee)
  • Colliers National Occupiers Services Group


Clearwire Corp. Getty Images UW Physicians Robert Half International Washington Energy Company CVS.com Photodisk CIGNA


Service Lines
Tenant Representation
Property Types
Tenant Advisory Council

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