For contractors earning $300K+, managing labor and materials isn’t just about staying organized — it’s about keeping your profits in check.
Running a construction business is complicated. Jobs have moving parts, crews are in different locations, materials arrive at different times, and costs can spiral if you’re not keeping track. Many contractors don’t realize that mismanaged labor and materials are often the biggest profit leaks.
If you want to stay in control without losing hours every week, here’s a step-by-step approach that works for contractors like you.
- Start With Accurate Job Costing
Job costing is the backbone of tracking labor and materials. Without it, your financial reports are just numbers — they don’t tell you which jobs are profitable.
Here’s how to set it up correctly:
Break down each job into categories: labor, materials, subcontractors, and overhead.
Track costs per job, not just per month.
Assign each cost to the correct phase of the project (e.g., prep, install, cleanup).
Pro tip: Use software that allows you to enter costs in real time — even from the job site. QuickBooks Online works great, but I’m also a big fan of Jobber. It’s a simple, construction-friendly platform that makes tracking labor, materials, and invoices a breeze for contractors.
- Track Labor Accurately
Labor is often the largest single expense, and small mistakes add up fast.
Use time tracking: Have your crew clock in digitally or log hours daily.
Include labor burden: Don’t forget taxes, benefits, and insurance in your labor costs.
Categorize hours: Track who works on what job so you know where your money is actually going.
Accurate labor tracking helps you see which crews are most efficient and where you might be overpaying. It also prevents payroll surprises at the end of the month.
- Keep Materials Under Control
Materials can be just as tricky as labor. Lost invoices, theft, or over-ordering can eat into your margins quickly.
Strategies for better control:
Purchase tracking: Enter every material purchase per job in your accounting system.
Inventory checks: Regularly reconcile your materials stock to avoid waste.
Bundle orders: Consolidate orders where possible to reduce shipping and handling fees.
By keeping materials organized, you not only reduce costs but also gain visibility into where jobs are draining resources.
- Use Technology to Simplify
Manual tracking is a nightmare — especially if your business is growing past $300K in revenue.
Use apps to log labor hours and material purchases in real time.
Sync job costs directly to your accounting system.
Generate weekly reports to spot overruns before they become problems.
This gives you the power to make proactive decisions instead of reacting to surprises.
- Review & Adjust Weekly
Even with good systems, you need regular check-ins:
Compare actual vs. estimated labor and material costs.
Identify jobs that are running over budget.
Adjust future job estimates based on real data.
A 30-minute weekly review can save hours of stress and thousands of dollars in lost profit.
Final Thoughts
Tracking labor and materials doesn’t have to be overwhelming. For contractors earning $300K+, it’s about creating simple systems that give visibility and control. When labor and materials are tracked accurately:
Margins improve
Cash flow becomes predictable
Jobs finish on time and on budget
Make decisions for your small business with confidence.