300 Third Avenue

Property Information

Class A Lab & Office // Ready for Tenant Build-Out

  • 143,533 RSF
  • High Identity Building
  • Flagship Opportunity
  • 35,000 RSF Floor Plates


Only 10 Miles from Cambridge & Boston, Waltham has emerged as one of suburban Boston’s most desirable life science clusters. With an established mixed-use critical mass and pro-business community Waltham has been at the forefront of life science expansion. 300 Third Avenue is conveniently located off Exit 27A on Route 128/I-95. Corporate neighbors include ThermoFisher, Sanofi, AstraZeneca, Shire, Deciphera, GSK, Alkermes, Immugen, PerkinElmer, Visterra and Exosome Dx.

Building Specifications

  • 14’5″ Floor to Floor Height
  • 441 Parking Spaces
  • Grab & Go Cafe
  • Bike Storage & Showers
  • Fitness Center
  • Roof Deck
  • Easily Accessible Location & Shuttle to MBTA Waltham & Alewife
  • WiredScore Gold
  • LEED Gold Certified


Floor/Suite No Available RSF Floor Plan
Single Tenant Fit Plan 35,000 Download
Multi-Tenant Fit Plan 35,000 Download