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John McMahon | Colliers | Silicon Valley

John McMahon

Executive Vice President

License # CA-00877855

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Professional Summary

Over his 35 year career, john has negotiated 40 million square feet of commercial leases and sales in Silicon Valley. John has represented such companies as Stryker, Trimble Navigation, Ariba, Namco, Abby software, BTG PLC, Merchante solutions, Applied Underwriters, Elance, Eye-Fi, Aver information, Whitehat  Security, Egnyte, Yes Video, IP Infusion, Norse Corporation, Structural Integrity, NXP, Time Warner Atari, Verity, Philips, Centric Software, EXP Pharma, Cetecom USA, Violin Memory, and UBIC. Most of John’s business comes from clients either coming back or making calls of introduction on his behalf. John is an ASVB Hall of Fame inductee. 

San Jose Country Club
Bellarmine Dad's Board and Fund Raising
St. Christopher's Mens Club


2014-2019 Colliers Everest Club
2013 - Platinum achievement
2012 - Platinum achievement
2011 - Platinum achievement
2009-2010 Colliers Everest club.
2008 - 90/10 Club
2007 - 90/10 Club
2006 - 90/10 Club
2005 - Top 5 in San Jose and million dollar club. 
2004 - Inducted into the ASVB Hall of Fame
2003 - 80/20 Club
2002 - 80/20 Club 
2001 - 90/10 Club, Top 10 Silicon Valley Office
2000 - #1 Producer in Silicon Valley Office
1999 - #2 Producer in Silicon Valley Office
1998 - #1 Producer - Runner-Up, Silicon Valley Broker of the Year
1996 - Top 5 Nationally
1995 - Top 5 Bay Area
1994 - Top 10 Silicon Valley Office
1993 - Deal of the Year Award
1992 - Special Achievement Award
1990 - Senior Vice President Sales Manager
1987 - Top 10 Silicon Valley Office
1986 - Runner Up Rookie of the Year 
1985 - Training Assistant
1984 - Research Assistant
1982 - KPMG 


University of San Francisco
UC Berkeley
St. Ignatius College Preparatory ‚Äč

Memberships & Involvements

ASVB Hall of Fame


Cetecom, USA
National Semiconductor
Philips electronics NV
St Jude
Thompson Multimedia
Trimble Navigation



Transactions Services

Property Type


My Team

Featured Research

Oct 18, 2022

San Francisco Peninsula Market Research Report Q3 2022

Life Science Lifts the Peninsula - Despite economic uncertainty and rising inflation, the San Francisco Peninsula commercial real estate market remained resilient in the third quarter...
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Oct 6, 2022

San Jose-Silicon Valley Market Research Report Q3 2022

Large Leases Push Silicon Valley into Another Strong Quarter - Silicon Valley remained resilient through another quarter of rising interest rates to combat inflation, recording its fifth consecutive quarter of expansion across all products.
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Jul 12, 2022

2022 Q2 San Francisco Peninsula Market Research Report

The Peninsula in Motion - The second quarter of 2022 marked the sixth consecutive quarter of positive net absorption across all products.
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Featured News

Jan 14, 2022

Colliers Locates New Headquarters for NIO USA

NIO will consolidate US research, innovation and digital development centers into a 201,500 square-foot facility in San Jose
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