Lol, I just found those, but I didn't read any oh this

When Angels Fall (https://www.fanfiction.net/s/9399577/1/When-Angels-Fall) By: CherylB1964 (ffc.net ? unfinished? as I see)
Metatron's spell to cast the angels from Heaven has unexpected consequences. Gabriel and Raphael are resurrected and Lucifer and Michael are freed from the cage. Four pissed off Archangels are joined together in one common goal, restore Heaven before the demons overrun the Earth.
Family/Hurt/Comfort - Gabriel, Lucifer, Michael, Raphael
Chapters: 129 - Words: 175,432 Updated: Nov 15, 2013 - Published: Jun 17, 2013

Team WHAT?! (https://www.fanfiction.net/s/8084094/1/Team-WHAT) By: Lucillia
Sam and Dean are just vessels right? Right?
Humor - Lucifer, Michael, Castiel, Gabriel
Chapters: 17 - Words: 17,653 - Reviews: 348 - Favs: 1,288 - Follows: 819 - Updated: Sep 21, 2014 - Published: May 4, 2012 - Status: Complete

Sam Lucifer Winchester (http://archiveofourown.org/works/665058/chapters/1214166) by kirallie
Words: 19467
Summary: The Seals have been broken but what happens next is not what anyone expected.

Notes Tied To Balloons (https://www.fanfiction.net/s/6618906/1/Notes-Tied-To-Balloons) By: crOwnlEssG
As a fledgling, Castiel had a very big, very interesting family. Each story will stand on its own and will consist of three chapters. Final story's up: All great things come from humble beginnings. Humble beginnings become great things when someone believes in them.
Family/Adventure - Castiel
Status: Complete Chapters: 27 - Words: 112,611

make it on your own (http://archiveofourown.org/works/3582438/chapters/7898454) by SailorChibi
Summary: Then: when Gabriel left heaven, he took Castiel along with him. That's why when, centuries later, Dean Winchester goes hunting a trickster while his brother is at Stanford, he meets Castiel instead. And no matter how much Gabriel warns him off, Castiel wants this beautiful little hunter as his own, even if it's only for a few nights.
Now: Dean is devastated by Sam's death at the hands of Jake Talley. On his way to sell his soul to revive Sam, Dean prays for the first time in years. His prayer is answered by someone he hasn't seen in over three years: someone who turns out to be an angel, someone who vows to care for him, someone who wants Dean as a mate. The angel Castiel.

We Found Love (In A Hopeless Place) (http://archiveofourown.org/works/415182/chapters/689746) by TalesFromPerdition
Summary: Dean and Sam Winchester struggle to survive when their alcoholic father abandons them. Castiel Novak has turned to drugs in his own father's absence. As their lives spiral out of control, can their new friendship save them, or will it be a catalyst for destruction?
Words: 405313

And they did rec posingasme (http://archiveofourown.org/users/posingasme/pseuds/posingasme/works?fandom_id=27)'s works on ao3, like "angels as family, you could read almost all of the fics".