QuickBooks for construction contractors.

Job costing is the foundation of construction bookkeeping

Job costing is the practice of tagging every cost — labor, materials, subcontractors, equipment — to the specific job it was spent on, so QuickBooks can report profit for each job instead of one lump number. For a contractor it is not an optional refinement; it is the whole point of keeping the books in the first place.

It works when three things line up. Two-sided items map each cost to a cost account and each billing to an income account, and both sides carry the job. The chart of accounts keeps direct job costs — labor, materials, subcontract — separate from overhead like rent, insurance, and office software. And every bill, check, and payroll line is tagged to a customer:job as it is entered, because a material receipt or a subcontractor bill that skips the tag drops into overhead and makes the job look more profitable than it was. This is the same discipline behind our dedicated QuickBooks job costing setup — for construction it is simply non-negotiable. Job costing also assumes clean books underneath: it belongs after a coherent chart of accounts, not before, because job costing built on a messy file just produces precise-looking wrong answers.

WIP accounting: over-billing and under-billing

Work-in-progress (WIP) accounting compares each open job's costs incurred and amounts billed against its total contract value, so you can see which jobs are overbilled — billed ahead of the work actually completed — and which are underbilled, where the work is done but not yet billed. It is how contractors and their sureties judge whether the reported profit on a job is real or borrowed from future billings.

Here is the honest boundary. QuickBooks holds the raw materials for a WIP schedule — job costs and job billings, if the file is job-costed properly — but a full WIP schedule with estimated cost-to-complete and earned revenue is usually built in a spreadsheet or a dedicated construction add-on, and the method behind it is your CPA's to set. Two revenue-recognition methods sit underneath: percentage-of-completion, which recognizes revenue as the job progresses (often on a cost-to-cost basis), and completed-contract, which defers revenue until the job is done. Which one applies to your business depends on your contract sizes, revenue, and the tax method your accountant has elected — and current revenue-recognition standards shape how it is reported. We do not choose your method, restate your revenue, or assert which one you should use; that is a decision to align with your CPA. What we do is make sure the job-level costs and billings feeding the WIP schedule are accurate and reconciled, because a WIP report built on untagged costs is worse than none at all.

Class and location tracking by project

Class tracking splits your profit and loss by a dimension you choose — division, service line, or location — running alongside job costing so you can see, for example, both the profit on Job 14 and the combined profit of all your remodel work or your Austin branch. For a contractor running distinct lines of business or multiple locations, it is the lighter cut that job costing does not give you on its own.

The two are complementary, not competing. Job costing answers "did this job make money?"; class tracking answers "which part of my business makes money?" A contractor with new-construction and service divisions, or crews in two cities, gets real insight from setting both up together — costs tag to the job for job-level profit and to the class for segment-level profit. We cover the mechanics on our QuickBooks class tracking setup page; for construction we typically map classes to divisions or locations and keep the class list short so tagging stays fast and the reports stay clean.

Common problems construction books hit

Construction files drift in a handful of predictable ways, and almost all of them trace back to costs that never reached the right job or a structure that was never built for contracting in the first place. These are the recurring ones, and how we fix them.

• Costs stuck in overhead. Material receipts and subcontractor bills entered without a customer:job land in overhead, so every job looks more profitable than it is and the profit-by-job report cannot be trusted.
• Retention lost in A/R. Held-back retainage recorded as ordinary accounts receivable inflates what looks collectible and often never gets billed at job end.
• A chart of accounts built for a generic business. Direct job costs mixed in with overhead, so the file cannot separate the cost of the work from the cost of running the company.
• Subcontractor payments miscategorized. Missing W-9s and mis-tagged payments turn year-end 1099-NEC filing into a scramble.
• Undeposited deposits and duplicate transactions from bank feeds that were never worked, quietly throwing the balance sheet out.

Where the file has already drifted, the fix is a scoped, fixed-fee QuickBooks cleanup: we tie every account back to its statement, then a chart-of-accounts cleanup restructures the accounts so job costing, retention, and class tracking can actually work. You get a documented, reconciled baseline, and from there the monthly work only has to keep pace with new jobs instead of chasing old mistakes.

How we work with construction contractors

One senior specialist wires your file for construction and keeps it that way — job costing tested against a real job, retention tracked from the first progress bill, subcontractor records clean for year end — not an offshore pool applying a generic template and hoping the reports mean something.

Our method is verification, not assertion: we do not hand back a structure and call it done, we run a real job through it and check that the profit-by-job report ties before you rely on it. Access stays minimal — read-only access to your file or a screen-share you control, never your banking logins — and every structural choice is documented in writing so the setup outlives the engagement. Read exactly how we work on our methodology page. We work entirely remotely, which means where you build has no bearing on whether we can help; contractors in construction-heavy states reach us the same way, whether you want a QuickBooks consultant in Texas or a QuickBooks consultant in Florida. And we hold a bright line at what we are: bookkeeping specialists. We keep the books accurate and job-costed; your CPA sets the WIP method, elects the tax treatment, and files the returns. When something can only be settled by your accountant or a construction-law advisor, we name it in the handoff rather than guessing.