How to Sue Landlords in Small Claims Court - Complete Guide. Sue landlords for unreturned deposits, illegal eviction, or habitability issues. Document with photos and notices. Many states allow double or triple damages. Success rate 81%. When suing landlords, documentation is critical. Keep all contracts, receipts, invoices, photos, emails, and text messages. Send a formal demand letter before filing - PettyLawsuit generates and mails demand letters for $29. Many disputes with landlords are resolved after receiving a professional demand letter. If you need to proceed to court, you'll file in your local small claims court. Limits vary by state from $2,500 to $25,000. Filing fees range from $30 to $200. PettyLawsuit helps you prepare all court documents and understand the serving process. At your hearing, present your evidence clearly and bring copies for the judge. Most landlords cases are decided same-day.