# Security Deposits Step by Step – How to Avoid Disputes at Move-Out > Security deposits are one of the most common sources of conflict between landlords and tenants — not because of bad faith, but because at move-out there's a lack of evidence and documentation. Published: 2026-03-03 Updated: 2026-08-26 Source: https://smartrentier.com/blog/security-deposits-how-to-avoid-disputes-at-move-out Tags: Documents --- Security deposits are one of the most common sources of conflict between landlords and tenants. Not because either side is dishonest — but because at move-out there's a lack of evidence, documentation and clear rules for settlement. Three months after the tenant leaves, nobody remembers what the kitchen sink looked like on move-in day. The law is precise on this point: a deposit can only be withheld to cover justified damages, unpaid rent and the cost of restoring the property to its original condition. Without documentation — it's very hard to prove anything. The statutory ceilings on the deposit and the way it is taken are covered separately, in the article on [deposit rules and statutory limits](https://smartrentier.com/blog/security-deposit-rules-and-settlement). ## Where the Problem Starts The typical scenario goes like this: the tenant moves out, the landlord does a walkthrough, notices scratched floors and dirty tiles. They withhold part of the deposit. The tenant claims the floors were scratched from the start and the tiles were clean when they left. Without a dated move-in inspection report with photographs, the landlord has nothing to stand on. Or the reverse: the landlord returns the full deposit to "avoid hassle", but the tenant left an unpaid electricity bill behind. ## How SmartRentier Guides You Through Deposit Settlement In the system, deposit settlement is a structured 5-step process that makes sure nothing is missed: 1. **Deposit summary** — the system shows the full history: when the deposit was received, in what amount, whether there were any previous adjustments 2. **Outstanding balances** — automatic check for any open liabilities: overdue rent, unresolved utilities, other charges 3. **Damages and deductions** — add line items for deductions with description and amount; every item is documented 4. **Return amount calculation** — the system automatically calculates: deposit minus liabilities minus damages = amount to return 5. **PDF document generation** — a ready-to-send settlement letter itemising all deductions, dates and signatures You can email this document to the tenant or print and sign it at handover. It proves you conducted the settlement transparently and in accordance with the tenancy agreement — the whole flow is shown in the [deposit settlement module](https://smartrentier.com/funkcjonalnosci/rozliczanie-kaucji). ## The Move-In/Move-Out Inspection — the Foundation Everything Else Rests On The deposit settlement process is useless without evidence of the property's condition at move-in — and only a [report drawn up before the keys change hands](https://smartrentier.com/blog/handover-report-what-must-it-contain) provides it. That is why SmartRentier links deposits to inspection reports: for every property you can create move-in and move-out reports with photographs and written descriptions of each room. When it's time to settle, you have it in black and white: condition on day A, condition on day B, the difference equals damage or fair wear and tear. ## When to Return the Deposit — Timing Polish law sets this deadline explicitly: the deposit must be returned **within one month of the day the flat is vacated**, after deducting the landlord's claims arising from the tenancy (art. 6(4) of the tenants' rights act). What counts is the actual handover, not the end date of the agreement — and the landlord has to fit the utility settlement into that month. A landlord who delays without justification risks statutory interest and legal action. SmartRentier records the tenancy end date and flags when the settlement deadline is approaching — so you don't drag your feet longer than necessary. ## Calm Instead of Stress at Move-Out The end of a tenancy is the moment when landlords are most vulnerable to stress and mistakes: emotions, time pressure, a new tenant waiting for the keys. A structured process in the system means every step is anticipated and documentation is created alongside the action — not after the fact. When it's the landlord who initiates the end of the tenancy, a properly drafted [landlord's notice to terminate a lease](https://smartrentier.com/blog/landlord-notice-to-terminate-a-lease-template-and-legal-grounds) matters just as much — a formal mistake at this stage often spills over into a deposit dispute too. **Start using SmartRentier for free** — the Kawalerka plan is free forever, no card required. See how deposit settlement can be a predictable procedure rather than a source of conflict. --- PL: https://smartrentier.com/blog/kaucja-czynszowa-jak-uniknac-sporow-przy-zwrocie.md