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340 Mount Kemble Ave
Morristown, NJ 07960
Office Property For Lease · 28,467 SF

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Property Overview

Ownership is breathing new life into 340MK to create a contemporary workplace for today's workforce. Onyx tomorrow ripped the former AT&T build to suit down to its steel and concrete. The are nearing completion of a new glass curtain wall featuring floor to ceiling glass on three sides, all new mechanical systems designed for maximum fresh air, control, and efficiency plus 25,000 sf of amenity space. Join CIT who will be relocating into the north tower. New amenities, new finishes, new common areas, and a new setting fuse to create a new paradigm for office – all within five minutes of amenity-rich downtown Morristown. Morristown is New Jersey's best Suburban transit hub with Midtown Direct NJTransit train service and hundreds of restaurants, bars, and shopping For more details visit www.340mk.com

  • Conferencing Facility
  • Fitness Center
  • Food Service
  • Plug & Play
  • Air Conditioning

Property Facts

Building Type
Office
Year Built/Renovated
1982/2021
LoopNet Rating
4 Star
Building Height
4 Stories
Building Size
439,059 SF
Building Class
A
Typical Floor Size
109,764 SF
Unfinished Ceiling Height
14’
Parking
1,600 Surface Parking Spaces
Covered Parking
  • Listing ID: 12118113

  • Date on Market: 2026-03-04

  • Last Updated:

  • Address: 340 Mount Kemble Ave, Morristown, NJ 07960

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