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M. Steinert & Sons Certified Piano Program

M. Steinert & Sons Certified Piano Program (MS&S CPP) instruments are Steinway & Sons pianos 30 years old or younger, and Steinway-designed Boston and Essex pianos 10 years or younger. MS&S CPP pianos are assessed by a qualified technician using a stringent 88-point quality inspection to ensure authenticity, exceptional condition, and performance suitability. Any necessary repairs to, or parts replaced on an MS&S CPP piano must include 100% genuine Steinway parts. All Steinert Certified Pianos come with a signed inspection report and Steinert Certified Piano three-year limited warranty certificate. M. Steinert & Sons Certified Pianos include M. Steinert & Sons Steinway Lifetime and Full Value Trade-Up Promise.

M. Steinert & Sons will only certify Steinway & Sons pianos pianos that are 30-years old or younger, or Steinway-designed Boston and Essex pianos that are 10-years old or younger. Each instrument in the MS&S CPP undergoes a rigorous 88-point evaluation that ensures the quality, Steinway authenticity, and value of your used piano purchase.

Certified Piano Categories evaluated include:

  • Finish Condition
  • Case Assembly
  • Keyboard and Pedals
  • Action and Regulation
  • Soundboard, Ribs, and Bridges
  • Plate, Strings, and Tuning Pins

View the certified pianos in our Used Piano section.  Select the “Certified” option in the Status filter – easy! 

Please fill out the form below to request a sample of our MS&S CPP Inspection Form, one of our piano specialists would be happy to go through it with you. As with all pianos purchased from M. Steinert & Sons, your MS&S Certified Piano will come with an M. Steinert & Sons Lifetime and Full Value Trade-Up Promise.

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1069 Washington Street
Newton, MA 02465
Store Hours:
Monday - Friday: 11 am to 6 pm
Saturday : 10 am to 5 pm
Sunday: Noon to 5 pm


28 Damrell Street
Boston, MA 02127
Store Hours:
By appointment: