QuickBooks costing is the practice of tracking labor, materials, and overhead against a specific job or project inside QuickBooks so a business can measure that job's actual profitability, rather than looking only at company-wide totals. This guide defines the term precisely, walks through how the process works step by step, clarifies how it differs across QuickBooks products, and covers what construction businesses specifically need to know.
Thank you for reading this post, don't forget to subscribe!Thank you for reading this post, don't forget to subscribe!What Is QuickBooks Costing?
Definition: QuickBooks costing (also called QuickBooks job costing) is the process of assigning income and expenses — labor, materials, subcontractor costs, and overhead — to an individual job or project record within QuickBooks, so that job's revenue and cost can be compared directly to determine its profit or loss.
Without job costing, QuickBooks only shows overall company profit and loss. With job costing enabled, a business can answer a much more specific question: did this particular job make money, and how much?
Why QuickBooks Costing Matters
A company can be profitable overall while individual jobs quietly lose money. Job costing surfaces that detail. It shows:
- Which jobs are actually profitable and which are underpriced
- Where labor or material costs are running over budget mid-project
- Which cost categories (labor, materials, subcontractors) are eating into margin
- Historical data to price similar jobs more accurately in the future
How QuickBooks Costing Works: Step-by-Step Process
Step 1: Set Up Customers and Jobs
In QuickBooks Desktop, each project is created as a "job" under a customer. In QuickBooks Online, this is done through the Projects feature. Every job needs its own record so transactions can be tied to it individually.
Step 2: Create Cost Codes or Classes
Cost codes (or classes, depending on the QuickBooks version) break a job into categories — such as labor, materials, permits, or specific trades like framing and electrical. This step is what allows costs to be viewed by phase rather than as one lump total.
Step 3: Assign Expenses to Jobs as They Occur
Every bill, check, credit card charge, or timesheet entry tied to that job needs to be linked to it at the point of entry. This includes:
- Material purchases coded to the job and cost code
- Labor hours entered through timesheets and tied to the job
- Subcontractor invoices assigned to the relevant job
Step 4: Record Job-Related Income
Invoices and payments received for that job are also linked to its record, so income and expenses sit side by side under the same job.
Step 5: Run Job Costing Reports
QuickBooks generates reports — such as Job Profitability Summary or Job Costing Detail — that compare income and expenses per job, showing actual profit margin rather than an estimate.
Step 6: Compare Estimated vs. Actual Costs
For businesses that create estimates before starting a job, QuickBooks can compare the original estimate against actual recorded costs, flagging overruns while the job is still in progress rather than after it closes.
Key Distinctions: QuickBooks Costing Terminology Explained
| Term | What It Means |
|---|---|
| Job costing | Tracking income and expenses by individual job or project |
| Cost code | A label for categorizing costs by task or trade within a job |
| Class tracking | A QuickBooks feature (mainly Desktop) used to group transactions by category, department, or job phase |
| Estimate vs. actual | A comparison between planned job costs and what was actually spent |
| Overhead allocation | Spreading indirect costs (e.g. office rent, insurance) across jobs rather than leaving them uncosted |
QuickBooks Desktop vs. QuickBooks Online: Costing Differences
These two products handle costing differently, and the distinction matters when choosing a platform:
- QuickBooks Desktop: Offers more granular job costing — including item-level cost tracking, detailed class tracking, and deeper job costing reports — making it better suited to businesses with complex, multi-phase projects.
- QuickBooks Online: Uses a simpler Projects feature that groups transactions by project. It covers basic costing needs but offers less phase-level and cost-code-level granularity than Desktop.
Businesses that rely heavily on QuickBooks for payroll alongside costing may also want to review how the two connect — see this overview of QuickBooks payroll management and this breakdown of QuickBooks Desktop Payroll features.
Construction-Specific Considerations for QuickBooks Costing
Multi-Phase Projects
Construction jobs typically move through phases — site prep, foundation, framing, finishing — and each phase carries its own labor and material costs. QuickBooks can track this through cost codes, but it requires disciplined data entry to keep phases separated accurately.
Certified Payroll and Prevailing Wage
Construction businesses working on government-funded projects often need certified payroll reporting, which QuickBooks does not natively handle in full detail. This is one of the most common reasons construction companies pair QuickBooks with dedicated job costing or payroll tools.
Subcontractor Costs
Unlike many industries, construction jobs often involve multiple subcontractors billing separately for the same project. Each subcontractor invoice needs to be coded correctly to the job and cost code to keep job costing accurate.
Change Orders
Construction projects frequently change scope mid-job. QuickBooks job costing needs to reflect change orders as they happen — otherwise estimate-vs-actual comparisons become misleading.
When QuickBooks Alone Isn't Enough
For larger or more complex construction operations, QuickBooks's native job costing tools can hit their limits. Many contractors supplement it with dedicated tools — see this comparison of the best job costing software for construction and this guide to construction accounting software with job costing built in for options that extend beyond what QuickBooks offers on its own.
Common QuickBooks Costing Mistakes
- Not assigning every transaction to a job: Even small unassigned expenses distort job profitability numbers over time.
- Skipping cost codes: Tracking a job as one lump total hides which specific cost category is driving overruns.
- Ignoring estimate-vs-actual comparisons: Without this check, cost overruns often aren't caught until the job is already closed.
- Failing to allocate overhead: Jobs can look more profitable than they are if indirect costs are never factored in.
- Inconsistent subcontractor coding: Subcontractor invoices left unassigned or miscoded lead to inaccurate job totals.
Frequently Asked Questions
What is QuickBooks costing?
QuickBooks costing is the practice of tracking the labor, materials, and overhead assigned to a specific job or project inside QuickBooks, so a business can see the true profitability of that job rather than just its overall company finances.
Is QuickBooks costing the same as job costing?
Yes. "QuickBooks costing" and "QuickBooks job costing" refer to the same feature set: assigning income and expenses to individual jobs or projects within QuickBooks so profitability can be measured per job.
Does QuickBooks Online support job costing?
QuickBooks Online supports basic job costing through its Projects feature, which groups transactions by project, but it lacks the phase-level and cost-code-level detail available in QuickBooks Desktop.
What's the difference between QuickBooks Desktop and QuickBooks Online for costing?
QuickBooks Desktop offers deeper job costing tools, including class tracking, item-level cost tracking, and more detailed job costing reports, while QuickBooks Online offers a simpler, project-based view better suited to smaller or less complex jobs.
Can QuickBooks handle construction job costing?
QuickBooks can handle construction job costing at a basic level, but many construction businesses pair it with dedicated construction accounting or job costing software to manage certified payroll, multi-phase projects, and detailed cost codes that QuickBooks alone does not fully support.
What are cost codes in QuickBooks job costing?
Cost codes are labels used to categorize job expenses by task or trade, such as framing, electrical, or plumbing, allowing a business to see costs broken down by phase rather than as one lump sum per job.
Summary
QuickBooks costing means tracking income and expenses at the job level rather than the company level, giving businesses a clear view of which projects are actually profitable. The process runs through setting up jobs, assigning cost codes, coding every transaction accurately, and comparing estimates to actuals. QuickBooks Desktop offers more depth than QuickBooks Online for this purpose, and construction businesses in particular often need to extend QuickBooks with additional tools to handle certified payroll, multi-phase tracking, and subcontractor complexity.