Every homeowner has a story. The contractor who took a large deposit and disappeared. The electrician who left the job half-done. The roofer whose work failed inspection and who couldn't be reached afterward. The renovation that ended in small claims court.
These aren't rare outcomes — they're common enough that most homeowners approach contractor hiring with a mixture of anxiety and resignation. The problem is that most homeowners don't have a systematic way to vet contractors before they commit. They rely on gut feel, a referral from a friend, or the first contractor who actually called them back.
A systematic approach to contractor vetting reduces these outcomes dramatically. Here's the checklist.
Before You Even Call a Contractor
Define the scope in writing first
The most expensive words in home improvement are "while you're here." Scope creep is the primary driver of cost overruns, and scope creep happens when the scope isn't defined before work begins. Before calling anyone, write down exactly what you want done, what materials you want used, what the finished result should look like, and any constraints (timeline, access, disruption to the household).
The more specifically you can define the scope, the more accurately you'll be able to compare bids — and the harder it is for a contractor to expand scope without your explicit agreement.
Know your budget range before requesting bids
You don't need to disclose your budget to contractors, but you need to know it internally. This lets you quickly disqualify bids that are outside your range and understand whether the bids you receive are realistic or whether your scope needs adjustment.
Vetting Checklist: What to Verify Before Signing
Contractor Pre-Hire Checklist
- License verified with your state licensing board (not just shown to you — look it up independently)
- General liability insurance certificate requested and verified (call the insurer if the job is over $5,000)
- Workers' compensation insurance confirmed (if they have employees)
- Physical business address confirmed (not a P.O. box)
- At least 3 references from comparable recent projects — and you actually called all 3
- Portfolio or photos of similar completed work reviewed
- Google Business profile checked: review volume, recency, and response pattern
- BBB or state contractor complaint database checked
- Contract reviewed before signing (scope, payment schedule, completion date, warranty)
- Payment schedule verified: no more than 10–30% upfront for any project
- Final payment withheld until walkthrough and punch list complete
- Permit requirements confirmed: for any structural, electrical, plumbing, or HVAC work, permits are required and the contractor should pull them, not you
The License and Insurance Verification Most Homeowners Skip
Most homeowners ask to see a contractor's license. Almost none of them verify it. The difference matters.
A contractor can show you a license card that expired two years ago, belongs to someone else, or covers a different trade than the work you're hiring for. Verifying independently — through your state's contractor licensing board website — takes 5 minutes and confirms the license is current, in the contractor's name, and covers the work being performed.
The same logic applies to insurance. An insurance certificate is only as good as the policy it represents — and policies can be canceled after the certificate is issued. For projects over $5,000–$10,000, a brief call to the insurer to verify the policy is active is time well spent.
Contracts: What Must Be in Writing
Any project over a few hundred dollars should have a written contract. For significant projects (anything over $1,000–$2,000), the contract should include:
- Exact scope of work: Line by line, not "bathroom renovation." Every task, every material, every specification.
- Materials and brands: If you're paying for a specific tile or fixture, name it. "Similar quality" is not enforceable.
- Payment schedule: Tied to project milestones, not calendar dates. A small upfront deposit (10–30%), progress payments tied to completed phases, and a final payment after walkthrough and punch list.
- Timeline with start and substantial completion dates.
- Change order procedure: Any scope changes must be in writing and signed before work proceeds. This is the protection against "while you're here."
- Warranty on labor: How long is the contractor warranting their work?
- Dispute resolution clause.
Red Flags That Warrant Walking Away
- Demands more than 30% upfront for a project under $25,000
- Won't provide proof of insurance or refers you to their "office" for it
- Insists on cash payment, especially for the deposit
- Has no business address or Google presence
- Gives you a quote without visiting the site for any non-trivial project
- Proposes to pull permits in your name ("it's easier that way")
- Provides a quote significantly below every other bid without explanation
- Pressures you to sign immediately or "lose the slot"
When to Use a Managed Marketplace vs. Finding Your Own Contractor
For straightforward, defined-scope projects in your area, a managed bid marketplace handles several steps of the vetting process for you — license and insurance verification, competitive bidding, and escrow payment management. You get multiple bids from contractors who've already been vetted, with payment protection built in.
For specialized or complex projects where you need a contractor with specific experience (custom millwork, historic restoration, high-end kitchen builds), a direct search with the full vetting checklist above may produce better results than a marketplace's available pool.
Boojee Maintenance: vetted contractors, escrow protection
Post your project, receive competitive bids from pre-vetted contractors, and release payment only after your sign-off on completed work.
Post a ProjectThe homeowners who never get burned by contractors aren't luckier than the ones who do. They're more systematic. They verify what they're told, define scope before asking for bids, hold final payment until work is done, and don't let urgency or salesmanship override their vetting process.
The checklist above is the entire system. Use it every time, and the odds of a bad contractor experience drop to near zero.