Search NYC Map by neighborhood, CD or zip code, then click on “show additional information,” on the right, which will bring up a menu of services. You can choose Council District and Assembly District, if you scroll down on the right, Then hover around your CD boundary and the Council District and AD will highlight. This site works best on Safari, for some reason.
New York City Campaign Finance Searchable Database search by donor or candidate for contributions
NYS Campaign Contributions - search by contributor or candidate