My ex and I broke up and his mom is asking me for security deposit? 22F and 20M.

Their three-year love story ended with a lease—and a $1,750 security deposit—hanging in the balance. He’d promised she could keep it all, but as move-out day loomed, he demanded $750, and his mother escalated with threats to charge for past sleepovers and car rides. Caught between fairness and fury, she stood her ground, sparking a Reddit firestorm. Was she right to fight for the deposit, or should she have let it go? This tale of post-breakup drama dives into the messy clash of love, money, and family meddling, leaving readers to pick a side.

Her story, raw and relatable, unfolds with lessons on boundaries and standing up to pressure. Reddit’s candid takes and expert insights reveal why this fight was about more than just money—it’s about respect and closure in love’s aftermath.

‘my ex and i broke up and his mom is asking me for security deposit? 22F and 20M.’

my ex and I broke up 1 month ago. we were together for 3 years and had a lease together, my mother is the co-signer. for this past month, i was there every day, moving and cleaning. he left for hawaii for 8 days and did not help clean, he only picked up his things. Total, me and my mother cleaned for 10 hours.

Since I was moving into a new apartment and my ex broke up with my and left me with all the cleaning. He texted me that i could have whatever security deposit that i want When we moved in we both paid around 850 each. Yesterday when the lease ended, he asked for 750; I would receive 1000.

I was so upset, I said no, I did all the cleaning already and asking for that portion after the lease ended is quite unfair. I told him that he said I could have all the money. His mother texted me threating if i don't pay him 500 out of the 1750 we will get out,

that she will charge me for all the days that I spent the night over there ( i lived an hour away with my own lease without a car) he lived with his mom, so I didn't really have any option, I was also invited by his mother.  As well as charging me for her son driving her car to take me places occasionally. I honestly do not know what to do. do I take the loss?

I was there for 20 hours total with my mom, and me cleaning and skipped work to clean, I don't really care about the money; its more about a lesson where you don't leave someone you love to do all the work and expect the money in return.  I also asked him to clean 3 times and texted his mother that he didn't clean, so i did give them a heads-up.

Breakups are messy, but this Reddit user’s saga shows how money and family can make them messier. Her ex’s last-minute demand for part of the security deposit, after leaving her to clean their shared apartment, feels like a betrayal—especially with his mother’s threats piling on. The dispute isn’t just about $1,750; it’s about fairness and boundaries after love fades.

She invested 20 hours of labor, skipped work, and carried the emotional load of the breakup, while he contributed little. His initial text offering her the full deposit contrasts sharply with his later demand for $750, suggesting either opportunism or pressure from his mother. The mother’s threats to charge for past sleepovers or car rides are baseless—legally and morally—yet they amplify the OP’s stress. This clash reflects a common post-breakup power struggle, where money becomes a proxy for unresolved emotions.

Dr. Susan Heitler, a clinical psychologist, notes, “Money disputes after a breakup often mask deeper issues of control or resentment” (Psychology Today, 2018). The ex’s mother’s involvement escalates this, turning a couple’s issue into a family feud. Her threats lack legal weight—verbal invitations to stay or occasional rides don’t create a contract—but they weaponize guilt to manipulate. A 2020 study by the American Psychological Association found that financial conflicts post-breakup often stem from perceived inequities, like one partner shouldering more responsibility, as the OP did here.

The OP’s compromise (80/20 split) shows pragmatism, prioritizing peace over principle, but it doesn’t erase the lesson: clear communication and written agreements prevent such chaos. For others, documenting promises (like the ex’s text) and setting firm boundaries with meddling family members are key. Consulting a lawyer or mediator can clarify rights in lease disputes, ensuring fair outcomes without emotional blackmail.

Here’s the input from the Reddit crowd:

Reddit brought the heat, serving up a mix of sass and solidarity. Here’s what the community had to say:

Puzzleheaded_Part229 − so she sends you an invoice with a bunch of made up charges….. SO WHAT lmao who’s gonna make you pay it.

meifahs_musungs − Keep the money. You and your Mom earned it. Do not let Mom of ex bully you. If you send money they will come back with more demands.

Training_Canary_6315 − Girl you literally don’t owe them anything! Block them and move into your new place happily. Do not give them any money, please please block them and don’t let them keep bothering you.

JustAnotherMaineGirl − This is b**lshit. Tell your ex's mother that he already agreed that you could keep the whole security deposit, and you're not going back on that deal. If she doesn't back down, you can warn her that if she sends you a bill for all the nights you spent in her home, you will bill her son for two people working 20 hours @$20/hour each to clean the place so you could move out.

Not-nuts − His mom is trying to scare you.   Don't fall for it, block them.  If she didn't have a written agreement with you she can't charge you for anything.   They both sound ridiculous.   Block them and be done. 

Witty-Zucchini1 − Just tell her you will then bill her son for all the time and effort spent in cleaning out the apartment since he bailed on it. The total cost of your and your mother's time should be about $1750, or to be real petty, $2000 and he owes you $250.

z-eldapin − Keep the money. Legally, he would be entitled to half of the deposit EXCEPT he put in writing that you can keep it. Legally, she has no contract with you for nights that you spent there, and she can't force a contract after the fact.. Send her back a laughing emoji and walk away.

whatevasasquatch − You don't owe her anything and if she actually does come after you legally for the money, she doesn't really have a leg to stand on because it's not like you signed a lease whenever you were at her house. Not a lawyer, but maybe post to r/legaladvice if you haven't already. ETA You may want to consider going NC with him and his mother. Don't delete the text message where he told you you could keep it all.

OkeyDokey654 − LOL she can attempt to “charge” you as much as she wants. And you can (and should) ignore her. Send her a bill for cleaning her son’s share of the apartment.

Late_Resource_1653 − I'm sorry this is happening to you. Don't block just yet. Don't respond at all. But save everything just in case. You'll want those texts if you want to countersue for harassment.. Document everything and move on. I had an ex who did this when I was young. They were in law school and I was working so I paid for most things but their parents helped.

When they ended it, and I moved out, their mum texted about the deposit.  I was initially furious, but took my time. Went through my records and tallied up all the money is spent vs what they had spent on our two years living together. Asked if they would like to pay me back,. having put their child through law school. In which case they could certainly have half the deposit. Or if we should call it even. Never heard from them again.

These spicy takes cut through the drama, but do they see the full picture or just cheer for the underdog? One thing’s sure: Reddit’s got her back, and they’re not here for the ex’s nonsense.

This breakup battle over a security deposit reveals the real cost of love gone sour—time, effort, and emotional energy. The OP’s stand against her ex and his mom’s threats sparks a bigger question: when do you fight for what’s fair, and when do you walk away? Have you ever faced a post-breakup money dispute or family meddling? Share your stories—what would you do in her shoes? Let’s unpack this drama and find the line between justice and letting go.

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