Do not wait: the time will never be 'just right'.
Tram no. 3 from Zurich main station to Zypressenstrasse stop. From there it is a 5 minute walk.
Bus no. 33 oder 72 from Hardbrücke train station to Albisriederplatz stop. From there it is a 10 minute walk.
Four parking spaces are available in front of the building (parking meter for a maximum of 2 hours).