The Professional Contractor
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Book 27 — Business Formation, Licensing, Contracts, Pricing, Insurance, Marketing, and Customer Relations

Project 18

Create a Job Costing and Profit Review Process

Build and operate one job-cost and profitability review process that compares original estimate, contract value, approved changes, committed cost, actual cost, labor hours, material, equipment, subcontractors, overhead recovery, revenue, cash, gross profit, variance, and forecast on an active or recently completed residential project, and that feeds lessons learned back into Chapter 6 scope and Chapter 7 pricing.

Field Cue System

These cues appear at the point of work. They identify compliance, professional-review, financial-control, and documentation issues before an unreviewed job-cost figure is treated as a fact.

△

Business Risk Cue

A choice that increases financial exposure, cash-flow risk, or profit erosion if left unaddressed.

✋

Critical Compliance Cue

An action that must not be taken, or must be stopped, until a specific accounting, contract, or authorization condition is satisfied.

⛑

Operational Discipline Cue

Practical controls that keep the job-cost record honest as the project is actually built and billed.

▤

Licensing and Jurisdiction Alert

Tax, retainage, trust-fund, and lien-related accounting treatments vary by jurisdiction. Verify current requirements before relying on this chapter.

▧

Professional Advisor Cue

A point where the CPA, bookkeeper, or accounting system administrator must be consulted before a cost, revenue, or tax treatment is finalized.

▱

Documentation Cue

A figure, comparison, or decision that must be written down, dated, and retained in the job-cost record.

Job Overview

This project produces one operating job-cost and profit review process for a residential contracting business. The finished work product is a controlled job-cost record for at least one sample project, built and tested against the estimate, contract, changes, commitments, actual costs, revenue, and cash position for that job, together with a variance-investigation procedure, threshold alerts, a periodic review cycle, and a final reconciliation and lessons-learned procedure.

You will import the original estimate and contract value, create committed-cost and actual-cost records, reconcile labor hours and production, compare material and equipment cost and use, track subcontractor commitments and invoices, separate profit from cash flow, calculate forecast cost to complete and forecast gross profit, identify and investigate variance by cause, create corrective actions, complete a final job-cost reconciliation, and record lessons learned for pricing and scope.

This project depends directly on the Chapter 5 accounting system, the Chapter 7 pricing worksheet, and the Chapter 10 change-order and allowance system. It supplies the actual-cost feedback that Chapter 7 pricing and Chapter 6 scope assumptions require, and it supplies the financial reconciliation that Chapter 19 closeout and the Chapter 20 capstone depend on.

Skills You Will Demonstrate

  • PC-103 — Track estimated versus actual cost by cost code for labor, material, equipment, and subcontractors on an active project.
  • PC-104 — Review labor hours by reconciling timekeeping to job, task, and cost code and comparing estimated to actual and remaining hours.
  • PC-105 — Review material costs by comparing estimated quantity and price to purchase, use, waste, return, and credit.
  • PC-106 — Identify overruns by cost category, calculate variance, and assign a probable cause from a defined list.
  • PC-107 — Calculate gross profit, gross margin, and forecast cost to complete using a consistent, documented formula.
  • PC-108 — Document lessons learned by scope, estimating, production, supplier, subcontractor, customer, schedule, quality, and warranty category, and route approved updates to Chapter 6 and Chapter 7.

Where This Skill Fits

This project builds directly on the Chapter 5 banking and accounting system, the Chapter 7 pricing worksheet, and the Chapter 10 change-order and allowance system. Without a working chart of accounts and cost-code structure from Chapter 5, and without an accurate original estimate from Chapter 7, a job-cost comparison has nothing reliable to compare against.

The job-cost record built here is the financial spine that the Chapter 13 job-start packet initializes, the Chapter 14 customer-communication process references when discussing changes and delays, and the Chapter 19 final walkthrough and invoice depend on for a correct final account. The variance-investigation discipline used here — identify, confirm, correct, reinspect — is the same discipline used throughout the book's troubleshooting sections and is required again in the Chapter 20 capstone operating system.

Scope and Intended Use

This project covers:

  • importing the original estimate, contract value, approved changes, allowances, and credits for one sample project
  • creating committed-cost records for purchase orders, subcontracts, and rentals
  • creating actual-cost records for payroll, materials, equipment, subcontractors, permits, fees, delivery, disposal, and expenses
  • reconciling employee time to job, cost code, date, task, and supervisor
  • comparing estimated and actual labor hours, material quantity and price, equipment duration, and subcontractor cost
  • tracking customer invoices, payments, retainage, credits, and receivable age
  • calculating forecast cost to complete, forecast final cost, forecast gross profit, and gross margin
  • identifying variance by a defined list of probable causes and creating corrective actions
  • completing periodic active-job reviews and one final job-cost reconciliation
  • documenting lessons learned and routing approved updates to Chapter 6 and Chapter 7

This project does not authorize the learner to:

  • treat overhead recovery as net profit, or represent a forecast gross-profit figure as a guaranteed result, without full financial review
  • cut safety, quality, code compliance, wages, or required warranty work to protect a margin figure
  • update Chapter 7 pricing rates or Chapter 6 scope assumptions without management approval of the underlying lessons-learned finding
  • rely on this chapter for tax, accounting, or payroll advice; every accounting-method question must be confirmed with the company's CPA or bookkeeper

Any job-cost figure that has not been reconciled against the accounting system of record must be labeled as preliminary until it is confirmed.

Reference Conventions

Establish these references before building the comparison worksheet, and do not change their meaning mid-document.

TermDefinition
Original estimateThe approved Chapter 7 pricing-worksheet cost, hours, and profit for the job as contracted
Contract valueThe original contract sum plus every approved Chapter 10 change and less every approved credit, to date
Committed costCost obligated through an issued purchase order, subcontract, or rental agreement but not yet invoiced
Actual costCost posted in the accounting system for payroll, materials, equipment, subcontractors, permits, fees, delivery, disposal, and expenses on the job
Forecast cost to completeThe estimated remaining cost, by cost code, needed to finish the unperformed scope
Forecast final costActual cost to date plus committed cost plus forecast cost to complete
Forecast gross profitContract value minus forecast final cost
Gross marginForecast gross profit divided by contract value, using the company's approved consistent formula
VarianceThe difference between original estimate and actual or forecast cost for a given cost code, stated as a dollar amount and a probable cause

Reference and Approval Record

Before the comparison worksheet is built, record the following directly on the Job-Cost Comparison Worksheet template:

Job number: ______     Customer: ______     Estimate revision used: ______

Review date: ____________     Reviewer(s): ____________     Accounting data through date: ____________

Prerequisites

Common Field Fundamentals

Every job-cost review compares the same four things, in the same order, regardless of trade or project size: what was estimated, what has been committed and spent, what remains to be spent, and what that leaves for profit. Skipping the committed-cost step, mixing cash received with profit earned, or comparing total hours instead of hours by task are the most common ways this comparison gives a false answer.

ImportEstimate, contract value, changes, allowances — Section E
Commit and PostPurchase orders, subcontracts, actual cost — Section F
Reconcile Labor and MaterialHours, production, quantity, price — Section G
Forecast and InvestigateCost to complete, gross profit, variance cause — Section H
Close and LearnFinal reconciliation, lessons learned — Section H

Variance Investigation Discipline

A variance is only recorded as explained after its probable cause has been confirmed against a specific source — a timekeeping record, a purchase-order price, a change-order log, or a field report. A variance may not be closed as "estimating error" merely because no other cause was checked first.

PC-103 – PC-108

Financial Control / Job-Cost Review

Job-Cost Comparison and Profit Review Process

Difficulty: Intermediate

Estimated Time: 8–14 hours to build, plus recurring periodic reviews

Estimated Cost: Bookkeeper or CPA time for reconciliation and review

Finished Work: One tested Job-Cost Comparison Worksheet, Variance Log, and Lessons-Learned Record

A. Finished-Project Specification

Quantity: one completed Job-Cost Comparison Worksheet for the sample project, one Variance Log with every identified variance and its cause and corrective action, one Lessons-Learned Record, and one periodic-review schedule with responsible owner and cadence, all dated and reviewed by the bookkeeper, CPA, estimator, and project manager as applicable.

B. Document Schedule (Component Schedule)

DocumentQuantityFormatContent RequiredPreparation / Purpose
Job-Cost Comparison Worksheet1 per active jobMulti-column cost-code tableEstimate, committed, actual, forecast, and variance by cost code, plus revenue, cash, and gross profitThe controlling comparison document referenced at every review
Variance Log1 per job, ongoingLog with running entriesCost code, amount, probable cause, confirming source, corrective action, statusTracks every identified variance from discovery to resolution
Lessons-Learned Record1 per completed jobStructured summaryFindings by scope, estimating, production, supplier, subcontractor, customer, schedule, quality, and warranty categoryFeeds approved updates back to Chapter 6 and Chapter 7
Periodic-Review Schedule1, company-wideCalendar with ownersReview cadence, responsible reviewer, and escalation threshold for every active jobEnsures review happens before, not only after, completion

C. Information Takeoff

  • Estimate data: the locked Chapter 7 pricing worksheet for the sample project, including labor hours, material, equipment, subcontractor, overhead, and profit by cost code, gathered before Step 1.
  • Contract data: the original contract value and the complete Chapter 10 change-order and allowance log to date, gathered before Step 2.
  • Accounting data: posted payroll, material, equipment, subcontractor, permit, fee, delivery, and disposal cost from the Chapter 5 accounting system, current through a stated date.
  • Commitment data: open purchase orders, subcontracts, and rental agreements not yet invoiced.
  • Revenue and cash data: invoices issued, payments received, retainage withheld, and disputed amounts.

D. Acceptance Standards

CheckStandard
Estimate-to-actual comparisonEvery cost code on the worksheet shows original estimate, committed cost, actual cost, forecast cost to complete, and variance
Labor reconciliationActual hours are reconciled to job, cost code, date, and supervisor, with no unassigned or unexplained time
Material and equipment reconciliationPurchase quantity, use, waste, return, and credit are compared to estimated quantity for every material cost code reviewed
Variance documentationEvery variance beyond the company's approved threshold has a recorded probable cause, confirming source, and corrective action
Profit and cash separationForecast gross profit and cash position are calculated and reported as two distinct figures, never combined
Periodic reviewAt least one periodic review has been completed on the sample job before substantial completion, in addition to the final review
Lessons learned and feedbackFindings are categorized, and any proposed update to Chapter 6 or Chapter 7 is routed for management approval before it is applied

E. Import the Estimate, Contract, and Change Data

  1. Confirm the job number, customer, contract, estimate revision, budget, schedule, cost codes, and accounting records. Record each identifier on the Job-Cost Comparison Worksheet header before importing figures.
  2. Import original estimated quantity, labor hours, labor cost, material, equipment, subcontract, general conditions, overhead recovery, and profit. Enter each figure by cost code from the locked Chapter 7 pricing worksheet.
  3. Import approved changes, allowances, alternates, credits, and current contract value. Enter each approved amount from the Chapter 10 change-order and allowance log and calculate the current contract value.

F. Create Committed-Cost and Actual-Cost Records

  1. Create committed-cost records for purchase orders, subcontracts, rentals, and other obligations. List each open commitment by cost code with vendor, amount, and expected invoice date.
  2. Create actual-cost imports for payroll, materials, equipment, subcontractors, permits, fees, delivery, disposal, and expenses. Import posted costs by cost code from the Chapter 5 accounting system through the stated data date.
  3. Reconcile employee time to job, cost code, date, task, and supervisor. Match every timesheet entry to the job and cost code it was billed against.
  4. Identify missing, late, or miscoded time. List each unresolved timekeeping entry and assign a responsible person to correct it before the review is finalized.

G. Compare Labor, Material, Equipment, and Subcontract Performance

  1. Compare estimated labor hours with actual and remaining forecast. Enter estimated, actual-to-date, and forecast-remaining hours for each labor cost code.
  2. Compare labor production by task and quantity, not only total hours. State the production rate achieved (quantity installed per hour) against the estimated rate for each measured task.
  3. Compare estimated material quantity and price with purchase, use, waste, return, and credit. Enter estimated and actual quantity, unit price, waste, returns, and credits for each material cost code.
  4. Compare equipment duration and utilization with estimate. Enter estimated and actual equipment days or hours and note idle or extended-use periods.
  5. Compare subcontractor commitments, approved changes, invoices, retainage, and forecast. Enter the current subcontract value, invoiced amount, retainage withheld, and forecast final cost for each subcontract.
  6. Compare general-condition duration and cost with schedule. Enter estimated and actual general-condition cost against the current schedule duration.

H. Calculate Revenue, Cash, Forecast, Variance, and Lessons Learned

  1. Track customer invoices, payments, retainage, credits, disputed amounts, and receivable age. Enter each figure on the worksheet's revenue and cash section, separate from the cost section.
  2. Separate profit from cash flow. Present forecast gross profit and net cash position as two distinct lines; do not combine them into one figure.
  3. Calculate revenue earned, invoiced, collected, and remaining using the approved accounting method. Use the company's CPA-confirmed revenue-recognition method consistently across all four figures.
  4. Calculate forecast cost to complete. Estimate remaining cost by cost code for all unperformed scope, using current production rates and pricing.
  5. Calculate forecast final cost and forecast gross profit. Sum actual-to-date cost, committed cost, and forecast cost to complete for forecast final cost; subtract forecast final cost from contract value for forecast gross profit.
  6. Calculate gross margin using a consistent formula. Divide forecast gross profit by contract value using the company's approved, documented formula.
  7. Do not treat overhead recovery as net profit without full financial review. Label the overhead-recovery line separately from the profit line on the worksheet.
  8. Identify variance by estimating error, scope change, customer delay, supplier price, labor productivity, waste, rework, weather, inspection, schedule, damage, or accounting error. Record the probable cause for each cost code showing a variance beyond the company's approved threshold.
  9. Identify unapproved work and unbilled approved work. List any work performed without an approved change order and any approved change not yet invoiced.
  10. Identify allowance overrun, credit, and remaining exposure. Cross-check each allowance's committed amount against its original amount from the Chapter 10 log.
  11. Identify pending change exposure separately from approved revenue. List pending, unapproved changes and their potential value without including them in contract value.
  12. Create threshold alerts for labor, material, subcontract, schedule, receivable, and margin variance. State the specific dollar or percentage threshold that triggers an immediate review outside the normal cycle.
  13. Investigate variance promptly with field, estimator, procurement, accounting, and project management. Record who was consulted and what was confirmed for each variance investigated.
  14. Create corrective actions for purchasing, staffing, sequencing, billing, change control, scope, or customer decisions. State the specific action, responsible person, and target date for each variance requiring correction.
  15. Do not cut safety, quality, compliance, wages, or required warranty work to protect margin. Confirm no proposed corrective action reduces required safety, quality, compliance, wage, or warranty performance.
  16. Complete weekly or periodic active-job reviews. Run the comparison worksheet on the schedule stated in the Periodic-Review Schedule, beginning at the first billing cycle.
  17. Complete a substantial-completion review before final invoice. Run a full comparison at substantial completion and resolve open variances before the final invoice is prepared.
  18. Complete a final job-cost review after all costs and credits are posted. Run the comparison a final time after every cost, credit, and change has been posted to the accounting system.
  19. Reconcile final contract value, cost, gross profit, cash, receivable, payable, tax, and warranty reserve. Confirm every figure ties to the accounting system of record and record any remaining discrepancy with an explanation.
  20. Create lessons learned by scope, estimating, production, supplier, subcontractor, customer, schedule, quality, and warranty administration. Complete the Lessons-Learned Record with a specific finding in each applicable category.
  21. Update Chapter 7 pricing rates and Chapter 6 scope assumptions only after management approval. Route each proposed update through management review before it is applied to the controlled pricing worksheet or scope library.
  22. Archive the final job-cost report and present portfolio trends to management. Store the completed worksheet, variance log, and lessons-learned record in the job file and summarize trends across jobs for management review.

Common Model Inspection

Inspect the completed job-cost process using the same checks regardless of which job or trade is involved.

Complete the Job-Cost Review Approval Worksheet in the Inspection Checklist section below before beginning Project 19.

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Recommended image: a completed sample Job-Cost Comparison Worksheet showing estimate, committed, actual, forecast, and variance columns for several cost codes.
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Recommended image: a sample Variance Log entry showing cost code, amount, probable cause, confirming source, and corrective action.
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Recommended image: a sample Lessons-Learned Record with findings organized by category and a routed pricing-update recommendation.
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Recommended image: a periodic-review calendar showing review cadence and responsible reviewer for several active jobs.

Failure Points and Troubleshooting

Cleanup

This project ends with the completed job-cost documents filed for reuse, not left as a one-time spreadsheet exercise.

Field Terms

Original Estimate
The approved Chapter 7 pricing-worksheet cost, hours, and profit for the job as contracted.
Contract Value
The original contract sum plus every approved change and less every approved credit, to date.
Committed Cost
Cost obligated through an issued purchase order, subcontract, or rental agreement but not yet invoiced.
Actual Cost
Cost posted in the accounting system for payroll, materials, equipment, subcontractors, and other job expenses.
Forecast Cost to Complete
The estimated remaining cost, by cost code, needed to finish the unperformed scope.
Forecast Final Cost
Actual cost to date plus committed cost plus forecast cost to complete.
Forecast Gross Profit
Contract value minus forecast final cost.
Gross Margin
Forecast gross profit divided by contract value, using the approved consistent formula.
Variance
The difference between original estimate and actual or forecast cost for a cost code, with a documented probable cause.
Lessons Learned
The categorized findings from a completed job used to propose updates to pricing and scope, subject to management approval.

Skill Check

  1. Why must committed cost be tracked separately from actual cost, and what happens to the job-cost comparison if it is left out?
  2. What is the difference between comparing total labor hours and comparing labor production by task, and why does this chapter require the latter?
  3. What four figures make up forecast final cost, and how is forecast gross profit calculated from them?
  4. Why must forecast gross profit and cash position be reported as two separate figures rather than combined?
  5. List four of the probable-cause categories a variance may be assigned to, and state what must be confirmed before a cause is recorded.
  6. Why must overhead recovery not be reported as net profit without full financial review?
  7. At what point in the project must the first periodic job-cost review occur, and why not wait until substantial completion?
  8. What must happen before a lessons-learned finding is applied to the Chapter 7 pricing worksheet or Chapter 6 scope library?
  9. What must never be reduced as a corrective action to protect a job's margin?
  10. What five documents must be completed before this project is considered finished?

Competency Rubric

CompetencyIndependent Pass StandardNot DemonstratedWith AssistanceIndependently
PC-103Tracks estimated versus actual cost by cost code for labor, material, equipment, and subcontractors on an active project, with every cost code populated
PC-104Reconciles timekeeping to job, cost code, date, and supervisor and compares estimated to actual and remaining labor hours by task
PC-105Compares estimated material quantity and price to purchase, use, waste, return, and credit for every material cost code reviewed
PC-106Identifies overruns by cost category, calculates variance, and assigns a confirmed probable cause from the approved list
PC-107Calculates gross profit, gross margin, and forecast cost to complete using the company's consistent, documented formula
PC-108Documents lessons learned by category and routes any proposed Chapter 6 or Chapter 7 update through management approval

Mark one column per competency. Only Demonstrated Independently awards the competency; Demonstrated with Assistance authorizes additional supervised practice but does not complete the requirement.

Inspection Checklist — Job-Cost Review Approval Worksheet

ItemStandardComplete (Y/N)Notes / Correction
Estimate, contract, and change data importedRecorded per Section E
Committed-cost and actual-cost records createdEvery cost code populated with committed and actual figures
Labor reconciledHours matched to job, cost code, date, and supervisor; no unassigned time
Material and equipment comparedQuantity, price, waste, return, and credit compared for each cost code reviewed
Revenue and cash trackedInvoices, payments, retainage, credits, and receivable age recorded separately from profit
Forecast calculatedForecast cost to complete, forecast final cost, forecast gross profit, and gross margin calculated consistently
Variance documentedEvery threshold variance has a probable cause, confirming source, and corrective action
Periodic review completedAt least one review before substantial completion and one final review completed
Lessons learned recordedFindings categorized; any pricing or scope update routed for management approval
Professional review completedCPA, bookkeeper, estimator, and project manager comments recorded and addressed

Job-Cost Review Process declared complete: ______ (Pass/Fail)     Date: ____________     Reviewer name: ____________

Reviewing professional(s): ____________     Next scheduled periodic review date: ____________

Performance Check

With the comparison worksheet, variance log, and lessons-learned record completed, review the finished process against the Acceptance Standards table and confirm every cost code shows estimate, committed, actual, forecast, and variance figures, labor and material are reconciled by task rather than only in total, every threshold variance has a confirmed cause and corrective action, forecast gross profit and cash position are reported as separate figures, at least one periodic review occurred before substantial completion, and lessons learned are categorized with any proposed pricing or scope update routed for management approval. Complete the Job-Cost Review Approval Worksheet and correct any failed item before beginning Project 19. If an item fails, identify whether the gap is in data import, cost reconciliation, variance investigation, forecast calculation, review timing, or feedback routing before revising the process.

Project Closeout

You have completed the eighteenth project in the professional-contractor sequence: creating a job-costing and profit review process. This project required you to track estimated versus actual cost (PC-103), review labor hours (PC-104), review material costs (PC-105), identify overruns and their causes (PC-106), calculate gross profit and forecast cost to complete (PC-107), and document lessons learned (PC-108).

You now have one tested Job-Cost Comparison Worksheet, a Variance Log with documented causes and corrective actions, a Lessons-Learned Record, and a periodic-review schedule. These records carry directly into the next project: completing the final walkthrough, punch list, invoice, and warranty handoff, which depends on the reconciled final account this job-cost process produces.

Store your completed Job-Cost Comparison Worksheet, Variance Log, and Lessons-Learned Record in the job file. You will reference these exact records when preparing the final invoice in the next project.