The Springfield Sign is a premium decoration. It will increase payouts for all jobs and buildings by 4.50%. Gil has only introduced one deal so far on the Springfield Sign called the "A Sign and Doom" offer which gave the player the Springfield Sign and the Volcano Lair for 250 donuts. This deal was available from January 11, 2013 until January 14, 2013.
- The Springfield Sign is a parody of the Hollywood Sign in Los Angeles, California.
- The Springfield Sign is now tied with Springfield Gorge for the second largest placeable item in the game, and for largest decoration, both a size of 25x16.
- Springfield Observatory is located adjacent to the Springfield Sign in The Simpsons.
- The Springfield Sign could be attained through the purchase of a Homer Buddha, although the chance of success was very slim at 1 in 400.