How to Sue Contractors in Small Claims Court - Complete Guide. Sue contractors for incomplete work, poor quality, or overcharging. Get estimates from others showing cost to fix. Keep contracts. Claims typically $1,000-$15,000. When suing contractors, 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 contractors 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 contractors cases are decided same-day.