A veteran office leasing specialist, Jeff Castleton serves as an Executive Managing Director at Newmark’s Denver office. Trusted clients view Castleton as an extension of their asset management teams. His deal-making approach offers true advocacy for his clients. Castleton is recognized and valued by institutional clients for maximizing net operating income and increasing profitability. He provides a comprehensive methodology, collaborating with clients and property management teams to develop customized value enhancement “road maps” for each asset, redefining best-in-class landlord advisory services.
Since joining Newmark in 2007, Castleton has completed over 350 transactions representing almost 4.0 million square feet. His successes have consistently placed him among the company’s Top 10 Producers. He earned the distinction as the firm’s top producing broker in 2010 and 2011, and he was recognized as a top ten producer in 2008-2016.
Prior to joining Newmark, Castleton worked at Trammell Crow Company, where he focused on project marketing and leasing, repositioning office buildings, and asset disposition. He previously served as the Regional Leasing Director for Jones Lang LaSalle Americas, where he was directly responsible for its 6.5 million-square-foot Denver portfolio and led the company’s seven leasing professionals and their teams. Additionally, he had sole responsibility for a 1.1 million-square-foot office portfolio in downtown and southeast Denver.
Partial Client List
- CIM Group
- Clarion Partners
- Columbia Property Trust
- First Gulf Corporation
- Nichols Partnership
- Principal Global Investors
- Member, NAIOP
- Member, Downtown Denver Partnership (DDP)
- Member, Denver Metropolitan Commercial Association of Brokers® (DMCAB)
Castleton graduated with honors from the United States Naval Academy, where he received his Bachelor of Science degree in mechanical engineering.