Toradora appears to be an anime where the staff have been uncharacteristically dependent on taking their cameras around Tokyo in order to make the backgrounds; a great number of such scenes have been discovered, and doubtless there are many more:
These scenes are all from northern Tokyo (Kita-ku), though a letter in the show lists Aisaka’s address as being in Saitama.
Photoshop anime or legitimate use of photographic reference, call it what you will, but it seems we are receiving a rather convincing picture of northern Tokyo whilst viewing the title. And of course such economies can have positive effects on overall production values.
If you have any interest in this, be sure to check the frightening comprehensive Google Maps anime comparator…