We don't have a Bonney Lake-specific price list to hand you, and we're not going to invent one. What we can tell you is what drives the cost on a door like the ones here: whether it's a spring replacement versus a full opener swap, whether the panel is a standard size or a special order, and whether the track needs realignment on top of the part itself.
Bonney Lake's median household income runs higher than the wider service area we cover from Tukwila - $131,524 against $119,013 - and we mention that only because it tends to track with owners who replace an aging opener before it fails outright, rather than waiting for a Saturday morning lockout. That's a choice, not a requirement; plenty of these doors run fine for years on a spring swap alone.
Get a firm number by describing what the door is doing - heavy, noisy, off-track, dead opener - and we'll tell you honestly whether it's a repair or whether, at 20-plus years old, replacement is the better math.