Biosurplus is a leading provider of pre-owned scientific instruments and equipment management solutions to the life sciences industry.

Founded in 2002, the company offers solutions for every stage of the laboratory equipment life cycle – from buying to selling – and managing every process in between.

Whether you need to buy equipment, auction or sell surplus assets, make repairs to existing instruments, or manage your equipment inventory, BioSurplus provides optimal solutions to meet your requirements.

Our company is headquartered in San Diego, CA, with used lab equipment megastores in San Diego, Boston and South San Francisco. We also have a facility in Incheon, South Korea.

BioSurplus offers services nationally and sells equipment worldwide. To view inventory for direct purchase on the BioSurplus website, please visit

For more information, please send an email to or call +1 (858) 550-0800 x201.

Services Overview

Used Lab Equipment Sales

BioSurplus sells a wide variety of used and like-new life sciences lab equipment from some of the best brands in the business:  BD, Thermo, Perkin Elmer, Agilent, Eppendorf and many more.  Among the types of equipment we carry are:

  • Mass spec
  • Rotovaps
  • C02 incubators
  • Realtime PCR
  • Autoclaves
  • Laboratory automation
  • DNA sequencers
  • Testing equipment
  • Bioprocess equipment

We have over 4,000 items in our online catalog, and three megastores located in the biotech hubs of Boston, the San Francisco Bay Area and San Diego.


We host timed lab equipment auctions on our secure online platform,  For life sciences companies seeking to liquidate surplus lab equipment, BioSurplus offers a turnkey solution – from equipment cataloguing and valuation through fulfillment.

We have run successful auctions for clients such as Biogen Idec, The Neurosciences Institute, Elan Pharmaceuticals and many others.

Lab Equipment Acquisition & Resale

Our company provides tailored solutions to life sciences organizations seeking to sell surplus laboratory instruments and equipment.  Among our flexible options are:

  • Consignment
  • Outright purchase
  • Auction (see above)
  • Hybrid mix

For more information on our asset management solutions, please click here.

Lab Equipment Maintenance & Repair

BioSurplus offers a comprehensive range of maintenance and repair services including equipment installation, on-site and depot repair, preventive maintenance,  and annual service plans.

We support a wide variety of new and legacy equipment types including:

  • Mass spectrometers
  • Gas chromatography
  • Autoclaves
  • Microplate readers
  • Centrifuges
  • Microscopy
  • General benchtop equipment

…and more.

Click here for more information on our service & repair offering.