How to Estimate Repair Costs for Fix-and-Flip Projects

Learn how to estimate repair costs for fix-and-flip projects with this step-by-step guide. Discover tips for budgeting, saving money, and maximizing profits.

FIX-AND-FLIP STRATEGIES

3/16/20253 min read

two men in ladder on wall
two men in ladder on wall

So, you’ve found a fixer-upper that has potential. The location is great, the price is right, and you’re ready to flip it for a profit. But before you dive in, there’s one critical question: How much will the repairs cost?

Underestimating repair costs is one of the biggest mistakes new flippers make. Get it wrong, and your dream flip could turn into a money pit. But don’t worry—this guide will walk you through how to estimate repair costs like a pro. Let’s get started!

Why Estimating Repair Costs Matters

Accurate repair estimates are the backbone of any successful fix-and-flip project. Here’s why:

  • Budgeting: Knowing your repair costs helps you set a realistic budget and avoid overspending.

  • Profit Margins: Repairs eat into your profits, so you need to account for them upfront.

  • Financing: Lenders often require detailed repair estimates before approving loans.

In short, if you don’t estimate repair costs correctly, you’re flying blind.

Step 1: Start with a Thorough Inspection

Before you can estimate repair costs, you need to know what needs fixing. Here’s how to do it:

  1. Walk Through the Property:

    • Take notes on everything that needs repair or replacement.

    • Pay attention to major systems like plumbing, electrical, and HVAC.

  2. Bring in a Pro:

    • Hire a professional home inspector to identify hidden issues.

    • They’ll provide a detailed report you can use for your estimates.

Step 2: Break Down the Repairs

Once you know what needs fixing, break the repairs into categories. This makes it easier to estimate costs and prioritize.

Common Repair Categories:

  1. Cosmetic Repairs:

    • Painting, flooring, landscaping.

    • These are usually the cheapest and easiest to tackle.

  2. Functional Repairs:

    • Fixing leaky faucets, broken windows, or faulty outlets.

    • These are essential for making the property livable.

  3. Structural Repairs:

    • Foundation issues, roof repairs, or termite damage.

    • These are the most expensive and time-consuming.

Step 3: Get Quotes from Contractors

The best way to estimate repair costs is to get quotes from contractors. Here’s how:

  1. Reach Out to Multiple Contractors:

    • Get at least three quotes for each major repair.

    • Compare prices and ask for detailed breakdowns.

  2. Ask About Hidden Costs:

    • Some repairs may uncover additional issues (e.g., mold behind walls).

    • Make sure your quotes account for potential surprises.

Step 4: Use Online Cost Estimators

If you’re still in the early stages and don’t have contractor quotes yet, online cost estimators can give you a ballpark figure.

Popular Repair Cost Estimators:

  • Kitchen Remodel: 5,000–5,000–50,000

  • Bathroom Remodel: 2,500–2,500–25,000

  • Roof Replacement: 5,000–5,000–15,000

  • Flooring Installation: 1,500–1,500–4,500

Step 5: Add a Contingency Fund

No matter how thorough your estimates are, unexpected costs always pop up. That’s why you need a contingency fund.

  • Rule of Thumb: Add 10-20% of your total repair budget for contingencies.

  • Example: If your repairs cost 30,000,setaside30,000,setaside3,000–$6,000 for surprises.

Step 6: Calculate Your Total Repair Budget

Now that you’ve gathered all the numbers, it’s time to add them up.

Example:

  • Cosmetic Repairs: $10,000

  • Functional Repairs: $8,000

  • Structural Repairs: $12,000

  • Contingency Fund: 3,000∗∗TotalRepairBudget=3,000∗∗TotalRepairBudget=33,000**

Tips for Keeping Repair Costs Low

Want to maximize your profits? Here are some tips to keep repair costs under control:

  1. DIY What You Can:

    • Tackle small projects like painting or landscaping yourself.

  2. Shop Around for Materials:

    • Compare prices at different suppliers to save on materials.

  3. Avoid Over-Improving:

    • Don’t add upgrades that won’t increase the property’s value.

Estimating repair costs for fix-and-flip projects doesn’t have to be overwhelming. By following these steps—inspecting the property, breaking down repairs, getting quotes, and adding a contingency fund—you’ll have a clear picture of what your project will cost.

And remember, the key to a successful flip is accuracy. Take your time, do your research, and don’t cut corners.

Ready to get started? Download our free fix-and-flip repair cost checklist to keep your project on track.