Home & Garden

Before You Call a Contractor: A Homeowner's Pre-Project Checklist

Updated Jun 17, 2023·5 min read
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Homeowner reviewing project plans and budget notes at a kitchen table before hiring a contractor

In This Article

Key Takeaways

Define your project scope in writing before contacting any contractor to avoid miscommunication and scope creep.
Build a contingency buffer of at least 10–20% into your budget for unexpected costs.
Permits are often legally required — skipping them can cause serious problems at resale or after an insurance claim.
Gather at least three written bids and compare them line by line, not just by total price.
Always confirm contractor licensing, insurance, and references before signing anything.
A detailed written contract protects both you and the contractor if disputes arise.
30–60 min

Summary

22 items · 30–60 minutes

Why Preparation Matters More Than You Think

Most renovation headaches don't start on the job site — they start in the planning gap between "I want this done" and "let's get quotes." Homeowners who skip the preparation phase are far more likely to experience budget overruns, miscommunication with contractors, and projects that stall mid-way through.

This checklist walks you through every step to take before you make that first call. Think of it as a tool to help you walk into contractor conversations as an informed client, not a passive customer. For a broader look at sequencing upgrades and setting realistic budgets, see our home improvement planning guide.

Permitted Work Protects Your Home's Value

Skipping a required permit isn't just a technicality — it can void your homeowner's insurance coverage for related claims, create legal liability at resale, and require costly tear-out and rework if discovered during a home inspection. Always confirm permit requirements with your local authority before work begins, not after.

Some projects — particularly those involving electrical panels, gas lines, structural changes, or load-bearing walls — require licensed professionals and may be regulated or permitted by local code. This checklist covers general preparation; always verify which trades and permits apply to your specific project before proceeding.

Tools and Resources to Have Ready

Before you sit down with this checklist, gather a few basic resources. Having these on hand will make the process faster and more accurate.

Required

Notebook or digital document

Record your project scope, questions, and notes from contractor conversations in one organized place.

Required

Tape measure

Provide accurate room or area dimensions so contractors can give realistic bids.

Required

Your local building department's website or phone number

Verify permit requirements before contacting contractors, so you can ask informed questions.

Required

Basic spreadsheet or budgeting app

Track bids, line items, and your contingency buffer side by side for easy comparison.

Optional

Camera or smartphone

Photograph the existing condition of the project area to share with contractors and document the baseline.

Required

State contractor licensing board website

Look up license status, expiration dates, and any filed complaints for each contractor you are considering.

The Pre-Project Checklist

Work through the groups below in order. Each category builds on the last, so resist jumping ahead to contractor outreach until earlier sections are complete. If you're still weighing whether to DIY certain tasks, our DIY vs. professional framework can help you decide.

Define Your Project Scope

Write a one-page project description covering what you want done, where, and why — vague requests invite vague bids. Must
List specific materials, finishes, or fixtures you prefer so contractors bid on the same deliverable. Should
Identify anything you are willing to do yourself (demo, painting, cleanup) to reduce labor costs. Nice to have
Confirm whether the project affects any shared walls, utility lines, or neighbor property boundaries. Must

Establish Your Budget

Set a firm maximum spend and write it down before speaking with any contractor. Must
Add a contingency buffer of at least 10–20% of your estimated project cost to cover unexpected findings. Must
Research rough price ranges for your type of project using published cost guides or local community forums — not to negotiate, but to recognize unrealistic bids. Should
Clarify how you plan to pay (savings, home equity, financing) and confirm those funds are accessible before work begins. Must

Understand Permit Requirements

Contact your local building or planning department to ask whether your project requires a permit before any work begins. Must
Ask who is responsible for pulling the permit — homeowner or contractor — and confirm this expectation is in the bid. Must
Review what unpermitted work can cost you at resale, during inspections, or after an insurance claim. Should
Ask your contractor which inspections will be required during and after the project. Should

Vet Your Contractors

Collect at least three written bids for the same clearly defined scope — compare them line by line, not just by total price. Must
Verify each contractor holds a current state or local license appropriate for your trade (plumbing, electrical, general contracting, etc.). Must
Request proof of general liability insurance and workers' compensation coverage, and confirm the policy is active. Must
Ask for references from projects completed within the past two years and actually call them. Should
Search your contractor's name and business through your state licensing board and the Better Business Bureau for complaints. Should

Lock Down the Contract Details

Require a written contract that specifies scope, materials, timeline, payment schedule, and change-order process before any work starts. Must
Avoid contracts that require full payment upfront; a deposit of 10–30% is typical, with the balance tied to project milestones. Must
Ask about the warranty on both labor and materials, and get the terms in writing. Should
Request a lien waiver upon final payment to protect yourself if the contractor fails to pay their subcontractors or suppliers. Should
Establish a single point of contact on both sides and agree on how change orders will be communicated and approved. Nice to have

Never Skip the Written Contract

Verbal agreements and handshake deals leave you with no recourse if timelines slip, work quality falls short, or disputes arise over what was included. A written contract is not a sign of distrust — it protects both you and the contractor. If a contractor refuses to provide one, that is a significant red flag.

Once you're ready to vet contractors, our companion article on hiring a contractor safely covers licensing verification, insurance requirements, written contracts, and lien waivers in detail.

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