Reasonable Price for Bathroom Reno?

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I got a bid for 30k for a non-luxury remodel for a 5x8 bathroom that involved moving plumbing  (has a crawl space underneath). I then got an estimate from another contractor to convert a small laundry room into a bathroom for 50k. This is in San Francisco. Does anyone know if these estimates sound about average? If so, I can't see how renovating would be worth it. I am working on getting more bids but have been having an impossible time getting contractors on the phone.

Thanks in advance for your responses!