Sherwood Schwartz drove around until he found the all American looking house. It's been told on many of their documentaries
Because this landmark is like An American Dream for all Brady Bunch Fans like you. If you like to see The Brady Bunch House in person, just take the 101 Freeway East, and get off on Tujunga Ave off ramp, its on the right hand side. Make a left turn on Tujunga Ave by going south until you hit Dilling St. Make another left on Dilling St, and The Brady Bunch House is on your right hand side. Enjoy your sightseeing at The Brady Bunch House!
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