If you want to buy a second hand piano my recommendation is:
First you need "The Piano Book" by Larry Fine RPT. Second, call a Registered Piano Technician to inspect what you find.
If you want to sell your piano:
Contact a Registered Piano Technician to evaluate your piano for sale.
For new and used pianos here is a list of Piano Dealers in Ottawa that I recommend:
(in random order)
Ottawa Pianos 1412 Bank Street | Ottawa, On K1H 7Y9
Lauzon Music 1345 Wellington Street West | Ottawa, ON K1Y 3B8
Quincy Damphousse Pianos 1439 Youville Drive | Orleans, On K1C 4M8
*When moving your piano for any reason, call professional piano movers!
Piano movers I recommend: McConnville Movers 613-749-2673 or Don Pinard Piano Moving Specialist 613-749-0915