Home & Garden

Questions to Ask Before Hiring a Contractor

Home & Garden Editorial Team 5 min read · Feb 10, 2025
Questions to Ask Before Hiring a Contractor

Photo credit: SearchLynk.net | Search Made Easier

In this article
  1. Why the Interview Stage Matters Most
  2. The Full Contractor Interview Checklist

Know what to verify — licensing, insurance, references, and contract terms — before signing with anyone for renovation work.

Key Takeaways

  • Always verify a contractor's license and insurance before any work begins.
  • A detailed written contract protects both parties and should be non-negotiable.
  • References from recent, similar projects reveal far more than a contractor's sales pitch.
  • Payment schedules tied to project milestones reduce financial risk significantly.
  • Permits and inspections are often legally required — don't skip them to save time.

Why the Interview Stage Matters Most

Choosing a contractor is one of the highest-stakes decisions a homeowner can make. Unlike buying an appliance, hiring the wrong person can result in unfinished work, code violations, or costly repairs — sometimes all three. Before you ever sign an agreement, a structured interview process helps you separate qualified professionals from those who cut corners.

If you haven't already evaluated your home's current state, consider working through a room-by-room condition assessment before approaching contractors. Knowing your home's existing issues helps you ask more precise questions and evaluate bids more accurately. You'll also want to brush up on construction language — our renovation terms glossary can help you understand exactly what a contractor means when they reference terms like rough-in, load-bearing, or punch list.

Use the checklist below during or immediately after each contractor interview. It's designed to be thorough but practical — covering credentials, project logistics, communication, and contract protections.

Required

State Contractor Licensing Board Website

Used to independently verify that a contractor's license is current and free of disciplinary actions in your state.

Required

Contractor Bid Comparison Spreadsheet

Helps you record and compare responses from multiple contractors across identical categories — scope, price, timeline, and payment terms.

Required

Certificate of Insurance (COI) Request Form

A standard document you can request directly from the contractor's insurer to confirm active general liability and workers' comp coverage.

Required

Your Local Building Department

Confirms which permits are required for your specific project type and location, and handles inspection scheduling.

Optional

Written Reference Questionnaire

A prepared list of questions to ask each reference, ensuring you gather consistent, comparable information about the contractor's past work.

The Full Contractor Interview Checklist

Work through these questions with every candidate you consider. Document the answers in writing so you can compare contractors side by side. Don't feel pressured to rush — a reputable contractor will respect a careful homeowner.

Credentials & Legal Standing

Ask for the contractor's state license number and verify it directly with your state licensing board — don't rely solely on a copy they provide. Must
Request proof of general liability insurance and workers' compensation coverage, and call the insurer to confirm the policy is current. Must
Confirm the business is registered and in good standing in your state, which you can typically check through your state's Secretary of State website. Must
Ask whether any complaints or disciplinary actions have been filed against them with your state licensing board or the Better Business Bureau. Should

Experience & References

Request at least three references from projects completed within the last two years that are similar in scope and type to yours. Must
Contact each reference and ask specifically about timeline adherence, communication quality, and how unexpected issues were handled. Must
Ask whether you can visit a completed project in person to assess the quality of finished work. Should
Inquire how long the contractor has been in business under this specific company name — short histories warrant extra scrutiny. Should

Project Logistics

Ask who will be on-site daily — the contractor themselves, employees, or subcontractors — and who will serve as the primary point of contact. Must
Clarify whether subcontractors will be used for any portion of the work, and ask if those subcontractors are also licensed and insured. Must
Request a realistic start date and a projected completion timeline, and ask what factors could cause delays. Should
Ask how many other projects they will be managing simultaneously while working on yours. Should

Permits & Code Compliance

Ask explicitly which permits are required for your project and confirm that the contractor will obtain them — not you. Must
Verify that the contractor's work will comply with local building codes and that required inspections will be scheduled at each applicable stage. Must
Ask what happens if inspectors identify issues during the project — who is responsible for corrections and at whose cost. Should

Contract & Payment Terms

Insist on a detailed written contract that itemizes the scope of work, materials to be used, project timeline, and total cost before any work begins. Must
Negotiate a payment schedule tied to project milestones rather than agreeing to a large upfront sum — standard practice is a modest deposit, with payments at defined stages. Must
Ask about the warranty on both labor and materials, and get those terms spelled out in writing within the contract. Must
Confirm the process for handling change orders — written approval should be required before any scope changes add cost. Should
Ask whether they can provide a lien waiver upon final payment to protect you from supplier or subcontractor claims against your property. Should
Request a clear dispute resolution clause in the contract that outlines how disagreements will be handled without defaulting immediately to litigation. Nice to have

Never Skip the Insurance Verification Step

If a contractor works on your home without valid general liability insurance and workers' compensation, you may be held financially responsible for injuries or property damage that occur on-site. Do not accept a contractor's verbal assurance — call the insurer directly using the policy number on the certificate they provide to confirm coverage is active and adequate for your project.

Renovation projects can vary enormously in complexity. For guidance specific to one of the most trade-intensive remodels, see our bathroom remodel planning guide, which walks through sequencing trades and managing decisions from start to finish.

It also helps to know which widely held assumptions about renovation could lead you astray. Common renovation myths — like the belief that permits always slow projects down — are worth reading before your first contractor conversation.

Home & Garden Editorial Team

Author

Home & Garden Editorial Team

Home & Garden Editorial Team is the collective byline for our editorial team and contributor network. Articles published under this byline or an editorial pen name are researched, written, and reviewed according to our editorial standards for clarity, consistency, and independence before publication.

View all articles →
The content on this site is provided for informational purposes only and should not be considered a substitute for professional advice. While we strive to provide accurate and up-to-date information, we make no guarantees regarding its completeness or accuracy. Always consult a qualified professional for advice specific to your circumstances before making any decisions.