Out of curiousity, I asked the guy how much he charges for a defret of my used ($200) Rockbass Corvette Basic. $375
cybersnyder hit it on the head. Here in NYC you're going to get hit with the highest prices period. The labor charge at Rudy's is over $100 an hour, whether it's a set up or a refret/defret. Their price menu is based on this plus materials.
And personally, I wouldn't let anybody at GC touch my bass for any serious work. On a $200 bass just do it yourself - nobody in the City will give you a price for that task below what you paid for it.
Just FYI - I've had all my work done at Rudy's for over 10 years and Jeremy is as good as they get when you want anything serious done. You'll pay for it but the work will be first rate.