598The night we met » by do-it-for-the-fandom
An AU meeting of Rick and Kate. Late season 3/early season 4 timeframe, characters are still the same but they never crossed paths during the Tisdale case. I do not own or profit from these beloved characters.Castle, M, English, Romance, chapters: 61, words: 183k+, favs: 131, follows: 193, updated: 5/2 published: 8/2/2023, Rick C., Kate B., Meredith
1k+The Secret Life of Castle and Beckett » by AleciaB
AU – return to the pilot episode. Imagine they did go to dinner to debrief and then kept their personal life a secret.Castle, M, English, Romance, chapters: 123, words: 434k+, favs: 369, follows: 579, updated: 4/15 published: 3/5/2017, Kate B.
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House Of Cards » by ThePossibilityOfMagic
They were more than a team; they were a family. Take one away, and they all come tumbling down. *Now complete* Ch 9/9Castle, T, English, Hurt/Comfort & Angst, chapters: 9, words: 21k+, favs: 75, follows: 151, updated: 3/6 published: 3/17/2016, [Rick C., Kate B.] Javier E., Kevin R.
495 Worth Working For » by ipreferwestside
Fresh off a summer spent healing from a near-fatal bullet wound, Kate Beckett meets a handsome man at a bar, and finds that one night can give her more than she bargained for. A meeting AU set in season 4, for Castle Ficathon 2024. COMPLETECastle, T, English, Romance & Drama, chapters: 28, words: 102k+, favs: 144, follows: 197, updated: 2/11 published: 7/2/2024, Rick C., Kate B.
245 no other shade of blue but you » by liviafan1
A Christmas AU reunion that takes place in Season 3. How things might have played out if Castle hadn't returned to the 12th in the fall.Castle, T, English, Romance & Angst, chapters: 12, words: 29k+, favs: 84, follows: 183, updated: 12/23/2024 published: 12/5/2020, Rick C., Kate B.
694Most Wanted » by Ephemeral Lunatic
AU. On January 9th, 1999, Castle saves Johanna Beckett from being murdered. His act of bravery sparks a complicated love with her daughter, and a totally different life and career path for Kate Beckett. Because although Johanna lived, someone out there still wants her dead, and as the years go by, Kate Beckett and Richard Castle are determined to find out who.Castle, T, English, Romance & Drama, chapters: 22, words: 74k+, favs: 537, follows: 988, updated: 11/19/2024 published: 3/8/2013, Kate B., Rick C.
227Beckett » by mysterymuse
Captain Kate Beckett still can't figure it out. Two days ago, Richard Castle was just a name on a bookshelf. And then he crashed her case and claimed he knew her. Said they were in a relationship. Not only that, he took two bullets to the chest—saved her life. And he did it because he loves her? How the hell is that possible? A 7x06, "The Time of Our Lives" AU.Castle, T, English, Romance & Drama, chapters: 11, words: 56k+, favs: 78, follows: 132, updated: 11/4/2024 published: 3/27/2024, Rick C., Kate B.
325 There's Always A Story » by Lord of Kavaka
"There's always a story, always a chain of events that makes everything make sense." A collection of unrelated one shots, ficlets, and/or drabbles.Castle, T, English, Romance, chapters: 20, words: 22k+, favs: 150, follows: 230, updated: 10/19/2024 published: 10/25/2014, Rick C., Kate B.
51 Pumpkin Spice and Everything Nice » by ipreferwestside
A collection of five standalone, M-rated one shots, to be posted during "smutty September." Rated M. COMPLETECastle, M, English, Romance, chapters: 5, words: 10k+, favs: 46, follows: 42, updated: 9/25/2024 published: 9/6/2024, Rick C., Kate B.
741 The Best-Laid Plans » by bingblot
"Her stubborn, stupid body wanted Castle, was apparently fixated on him, and wasn't interested in any substitutes. So maybe she should just go for it, have a one night stand with him, get him out of her system." Starting at the end of 2x23 "Overkill" and going from there.Castle, M, English, Romance, chapters: 41, words: 231k+, favs: 159, follows: 220, updated: 5/30/2024 published: 4/21/2023, Rick C., Kate B.
344 Snowed In » by Lord of Kavaka
She was only there to help her Aunt Theresa while her Uncle Herb recovered from a mild heart attack. But then a blizzard hit and Kate Beckett found herself stuck with an irritating yet ruggedly handsome novelist. Caskett AU Meeting. For Castle Ficathon Winter 2023. NOW COMPLETE.Castle, T, English, Romance & Angst, chapters: 22, words: 53k+, favs: 90, follows: 121, updated: 5/2/2024 published: 11/22/2023, [Kate B., Rick C.] Gina, Jim B.
44 ‘tis the damn season » by j-caskett
based on taylor swift's 'tis the damn season, but make it caskett's version. a small town at christmas AU where rick and kate realize that the road not taken looks real good now.Castle, T, English, Romance & Drama, chapters: 10, words: 17k+, favs: 18, follows: 33, updated: 4/24/2024 published: 2/1/2024, Rick C., Kate B.
480 100 Words of Castle » by skruff
Filling prompts in exactly 100 words. Will take prompts (K-T rated only) — Castle Fanfic —Castle, T, English, Romance & Humor, chapters: 100, words: 15k+, favs: 44, follows: 106, updated: 4/19/2024 published: 8/22/2015, Rick C., Kate B.
91A World Without Color » by The Muse of Apollo
AU. Rick and Kate Castle have gone through a lot together since that cold January day that changed their lives forever. And it all started with a single glance.Castle, M, English, Romance & Angst, chapters: 6, words: 12k+, favs: 66, follows: 147, updated: 3/31/2024 published: 6/26/2021, [Rick C., Kate B.] [Johanna B., Jim B.]
112 Out Of The Woods » by Clavia
The team has to participate in a team building measurement: A weekend of camping in the woods with activities to strengthen their partnerships. What will this trip do to Castle and Beckett? And will they be able to bring whatever happens there back to New York? Set in the second half of season three. Rated M for later chapters. For Castle Ficathon 2023. COMPLETE.Castle, M, English, Romance, chapters: 14, words: 58k+, favs: 56, follows: 60, updated: 2/3/2024 published: 1/7/2024, Rick C., Kate B., Javier E., Kevin R.
18 Picnics And Promises » by Clavia
"We should sign up for the three-legged race at the next NYPD picnic" - What Kate had said while being cuffed to Castle had been a joke. But what if he had really signed them up? Could it change anything between them? Set in the second half of season 4. TWOSHOT/COMPLETE.Castle, T, English, Romance, chapters: 2, words: 16k+, favs: 24, follows: 13, updated: 1/19/2024 published: 1/15/2024, Rick C., Kate B., Javier E., Kevin R.
1 The Wolf Within - Deleted Scenes » by 6kayla
Here are the deleted scenes from Chapter 6 and 9 of The Wolf Within!Castle, M, English, chapters: 2, words: 6k+, favs: 9, follows: 5, 1/5/2024, Rick C., Kate B., Javier E., Kevin R.
13 whispering names against my skin by Mistfire24
Keyed up after a dirty dream, Kate accidentally agrees to pick Castle up on their way to a crime scene in the morning. When he gets into the car, she realizes she made a massive mistake. Set season 3, with no Josh, and no Gina.Castle, M, English, Romance, words: 7k+, favs: 47, follows: 16, 11/23/2023, Rick C., Kate B.
163Falling Alone » by extraordinarygigglesalways
What would happen if Johanna Beckett hadn't died on that fateful day in 1999, but went into hiding with the FBI? The FBI faked her death and she couldn't come back or have any contact with her family until the case was solved. The case is now over. How will her family react? Will this affect the Caskett wedding? Who is buried underground while Johanna still lives?Castle, M, English, Hurt/Comfort & Angst, chapters: 15, words: 72k+, favs: 124, follows: 233, updated: 11/1/2023 published: 8/13/2018, Rick C., Kate B., Jim B., Johanna B.
110 The Hardest Things » by Trinity Everett
One fateful night, Kate Beckett's life changes forever. A 'Waking Up in Vegas' verse story. Caskett AU. College AU. CompleteCastle, T, English, Drama & Romance, chapters: 6, words: 9k+, favs: 58, follows: 77, updated: 8/30/2023 published: 8/20/2023, [Kate B., Rick C.] [Jim B., Johanna B.]