Is there a reason why there's very little sport climbing on the east coast? Meaning ethical rather than the fact that just no one has got round to bolting anything.
Many of the areas in New York and New England were developed before sport climbing existed, so the existing traditions are (generally) respected. Ken Nichols has kept Connecticut and adjacent areas pretty much bolt-free by chopping. Some of this is changing, but it is still a fact.
Farley Massachusetts is closer to you than Rumney. Not all sport, but plenty of sport routes. No guidebook, but always people there on the weekend (maybe too many!) who can point you in the right direction.
The Adirondacks also have some good sport routes, check out King Wall.