The apartment building at night.
Apartment 302 on Sprang Boulevard is the apartment of [nb 1] Paula Crock and her daughter Artemis in Gotham Heights.
Artemis had lived in the apartment for most of her life, with her sister
Jade and her parents, Paula and Lawrence. Jade left when their mother was in jail, and Lawrence left after she returned. 
Paula Crock returned home after her she served her sentence. Her daughter Artemis was the only one waiting for her. After she was confronted by her father's dismissive opinion of Paula's desire to give up her former life, Artemis decided to use her skills for good and become a vigilante.
After a week of crime fighting, Artemis was approached by
Batman and Green Arrow to become part of the Team she saved.
Paula gave Artemis a letter from the
Gotham Academy, stating she had been accepted with a Wayne Foundation scholarship.
Artemis did not like waking up early for her first day at Gotham Academy. Before getting up, she thought about her
After being separated in different dimensions for a day by a spell from
Klarion, Artemis rushed home to hug her mother.
Artemis discussed her recent work with
Green Arrow, but was distraught when she learned her place on the Team could not entirely have been earned.
With her most recent mission a failure, Artemis did not want to talk to her mother. She stormed to her room, where
her father was waiting for her. He urged her to change sides.
Jade Nguyen returned home to pick up Lian from her mother. She revealed good news about Artemis to her.
Background in other media
Sprang Boulevard is most likely named after Batman artist Dick Sprang.
↑ Seen on the envelope of Artemis's letter in "
Downtime", though partially obscured. The full address is either 174 or 194 Sprang Boulevard.
Weisman, Jon (writer) & Chang, Michael (director) (September 30, 2011). " Homefront". . Young Justice Season 1. Episode 12. Cartoon Network. ↑
Weisman, Greg, Kevin Hopps (w). Jones, Christopher (p). Davis, Dan (i). Atkinson, Zac (col). Mangual, Carlos M. (let). Chadwick, Jim (ed). " Rabbit Holes" Young Justice 7 (August 24, 2011), New York, NY: DC Comics
Hopps, Kevin, Greg Weisman (w). Davis, Dan, Christopher Jones (p). Davis, Dan (i). Atkinson, Zac (col). Sienty, Dezi (let). Chadwick, Jim (ed). " Wonderland" Young Justice 8 (September 21, 2011), New York, NY: DC Comics
Hopps, Kevin (writer) & Oliva, Jay (director) (March 4, 2011). " Downtime". . Young Justice Season 1. Episode 8. Cartoon Network.
Weisman, Greg (writer) & Chang, Michael (director) (March 3, 2012). " Misplaced". . Young Justice Season 1. Episode 19. Cartoon Network. ↑
David, Peter (writer) & Oliva, Jay (director) (March 31, 2012). " Insecurity". . Young Justice Season 1. Episode 23. Cartoon Network. ↑
Hopps, Kevin (writer) & Divar, Tim (director) (February 16, 2013). " Complications". . Young Justice Season 2. Episode 16. Cartoon Network.