Check out https://visitkanazawa.jp for general city information.
Kanazawa Tourist Information Center This brilliant office inside Kanazawa Station, one of Japan's best, has helpful staff, a plethora of maps and pamphlets in a variety of languages, and the excellent, free English-language magazine Eye on Kanazawa. The friendly folk from the Goodwill Guide Network (KGGN) are also here to assist with hotel recommendations and free guiding in English – two weeks' notice is requested.
Ishikawa Foundation for International Exchange Offers information, a library, satellite-TV news and free internet access. It's on the 3rd floor of the Rifare building, a few minutes' walk southeast of JR Kanazawa Station.