What documentation is required for construction costs exceeding $2,500?

In construction projects, especially those exceeding $2,500, it is crucial to provide a written warranty. This document serves as a guarantee from the contractor regarding the quality and reliability of materials and workmanship. The warranty protects the customer by assuring them that any defects will be addressed and that they will receive a certain standard of service. This is particularly important in construction, where issues can arise post-completion, and having a written record illustrates accountability and sets expectations.

Regarding the other options, while tax records, a liability insurance certificate, and bank statements may be important documents in the broader context of a construction project, they do not specifically fulfill the requirement related to construction costs and the assurances needed for quality and reliability in workmanship as a written warranty does. Together, these aspects reinforce the necessity of warranties in safeguarding clients' interests, making them a fundamental component of contracts in the construction industry, especially for significant cost projects.