You can find a list of building permits from the zoning board at the town you have to tell them why you are there be honest. The list is not a list they could find open permits for you if they are not busy but it is unlikely. You would be better of going to town meetings for zoning and getting to know the system there is where you will find projects before they start when the permit will be denied or issued.
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Suggest that you check with your town building and permit department about your plans and the necessary CO needed if any. You may want to check, through references, if you can find a 'reliable and solid' hands-on improvement contractor ( an everyday working carpenter) and find out if you can avoid some exotic and unecessary expenses. Its worth a shot, interview a few of these guys and get their bids. Most of these guys can do this stuff on the back of an envelope. The construction if it is done right will last as long as you and I will be around.... more