15 Essential Questions to Ask a General Contractor Before Hiring
Tony Coward
Founder, BidwithBob · July 21, 2026
15 Essential Questions to Ask a General Contractor Before Hiring
Embarking on a home renovation is one of the most significant investments you will ever make. Whether it’s a kitchen remodel, a basement finish, or a full-scale home addition, the success of your project hinges entirely on the person you choose to lead it. However, finding a name in a directory is the easy part; the challenge lies in vetting them to ensure they are reliable, skilled, and honest.
Knowing the right questions to ask a general contractor before hiring can be the difference between a dream renovation and a financial nightmare. A professional contractor will welcome these questions, seeing them as a sign of an informed and serious client. If a contractor seems evasive or annoyed by your due diligence, consider it a major red flag.
Here is a comprehensive guide to the essential questions you must ask to protect your home and your peace of mind.
Essential Background Questions to Ask a General Contractor Before Hiring
Before diving into the specifics of your kitchen tile or your bathroom vanity, you need to establish the contractor’s professional baseline. These questions ensure they are legally qualified to do the work.
1. Are you licensed and insured for this type of work?
This is the most critical question. A license proves the contractor has met state or local requirements for competency. Insurance, specifically general liability and workers' compensation, protects you if a worker is injured on your property or if your home is damaged during construction. Always ask for a copy of their certificates rather than taking their word for it.
2. How many projects like mine have you completed in the last year?
Experience is relative. A contractor who specializes in deck building might not be the best fit for a complex structural renovation. You want someone who is currently active in the specific type of work you need.
3. Can you provide a list of references from the last six months?
Older references are easy to cherry-pick. Recent references give you a clearer picture of how the contractor is performing right now. When you call these references, ask if the project stayed on budget and how the contractor handled unexpected issues.
Project Management Questions to Ask a General Contractor Before Hiring
Once the credentials check out, you need to understand how the day-to-day operations will look. Misaligned expectations regarding the timeline and personnel are the leading causes of homeowner-contractor friction.
4. Who will be the daily point of contact on-site?
In many cases, the person who sells you the project isn't the one swinging the hammer. You need to know who the "Project Manager" or "Lead Carpenter" is. Will they be there every day, or are they managing five other jobs simultaneously?
5. What is the anticipated timeline for this project?
While every project faces "surprises," a pro should be able to give you a realistic start date and an estimated completion date. Ask about their current backlog—if they say they can start tomorrow, ask yourself why they aren't currently busy.
6. How do you vet your subcontractors?
Most general contractors use "subs" for specialized work like plumbing and electrical. You have a right to know who is entering your home. Ask if they use the same crews consistently or if they hire the lowest bidder from a labor pool.
7. What is your process for "Change Orders"?
In renovation, things change. You might decide to upgrade your flooring, or the contractor might find mold behind a wall. A change order is a written agreement to alter the original scope. Ask how these are documented and priced to avoid "sticker shock" at the end of the job.
Financial and Payment Questions to Ask a General Contractor Before Hiring
The financial aspect of a renovation is where most trust issues arise. Traditional "handshake" deals or large upfront deposits often lead to disputes.
8. What is the payment schedule?
Never pay 100% upfront. A standard schedule usually involves a deposit (often 10-25% depending on local laws), followed by "milestone payments" as specific phases of work are completed.
9. How do we handle payment disputes or proof of progress?
This is where modern solutions are changing the industry. Many homeowners now prefer using platforms like BidwithBob, which creates a transparent ecosystem for payments. Instead of handing over a check and hoping for the best, BidwithBob allows for secure, milestone-based payments. This ensures the contractor is paid promptly when work is done, and the homeowner’s funds are protected until the agreed-upon work is verified.
10. Will you provide a detailed, itemized bid?
Avoid "lump sum" bids that just give you one total number. An itemized bid breaks down labor, materials, and permits. This transparency allows you to see exactly where your money is going and makes it easier to compare multiple quotes.
11. How do you handle "Mechanic’s Liens"?
If a contractor fails to pay their lumber supplier or a subcontractor, that supplier can put a lien on your house. Ask if the contractor provides "lien waivers" with every payment. This is a document stating that everyone involved in that phase of work has been paid in full.
Logistics and Communication Questions
The "soft skills" of a contractor are just as important as their technical skills. You are essentially entering a short-term marriage with this person.
12. What are your working hours?
Do they start at 7:00 AM or 9:00 AM? Do they work Saturdays? Knowing the schedule helps you plan your life, especially if you are living in the home during the renovation.
13. How will you protect my property?
Dust travels everywhere. Ask specifically how they will seal off the construction zone, protect your hardwood floors, and where they plan to store tools and materials.
14. What is your preferred method of communication?
Do they prefer text, email, or phone calls? Daily or weekly updates? Establishing a communication cadence early prevents the feeling of being "ghosted" during the project.
15. What kind of warranty do you offer on your work?
A reputable contractor should stand by their craftsmanship. Most offer a one-year warranty on labor. Make sure you understand what is covered and how you would go about filing a warranty claim if a leak or crack appears six months later.
Why These Questions Matter
The goal of asking these questions to ask a general contractor before hiring isn't just to get the "right" answers—it's to see how the contractor communicates. A true professional values transparency. They understand that a home renovation is a high-stakes environment and that trust is the most important tool in their belt.
By using a structured approach to hiring—and leveraging tools like BidwithBob to manage the financial and contractual side of the relationship—you move from a position of uncertainty to a position of strength. You aren't just "hiring a guy"; you are building a professional partnership designed to improve your home.
Summary Checklist for Your Interviews:
- Verify Credentials: License and Insurance are non-negotiable.
- Check Recent History: Look for projects completed in the last 6 months.
- Define the Process: Know who is on-site and how they handle changes.
- Secure the Money: Use milestone-based payments and transparent platforms to protect your investment.
- Get it in Writing: If it isn't in the contract, it doesn't exist.
Taking the time to ask these questions upfront will save you weeks of stress and potentially thousands of dollars in the long run. Happy renovating!