Lou Perez
Nov 19, 2025

Experience Smarter Construction Payroll: Discover Lumber’s Integration with Acumatica

Acumatica Summit 2026
Events
Washington
Experience the future of construction workforce management with Lumber
Talk to our expert

Why Construction Payroll Is Uniquely Complex

Lumber Payroll

Processing payroll in construction isn’t just a matter of tallying hours and writing checks. This responsibility is central to every contractor’s business—yet it’s riddled with industry-specific rules and scenarios that most payroll software fails to manage efficiently. Construction payroll teams must navigate a landscape of specialized compliance, workforce diversity, and variable project requirements every pay period.

  • Multiple Job Sites: Construction workers can move across different job locations, sometimes on the same day. Payroll must track hours worked at each site, and attribute them to the right project and cost code for accurate billing, insurance, and budgeting. Misallocations can throw off project profitability and reporting.
  • Variable Rates: Unlike simple office payroll, construction pay rates fluctuate. These may include differentials for nighttime work, hazardous conditions, skills required, and sometimes different rates for union versus non-union assignments—all needing precise handling.
  • Union Rules: Collective bargaining agreements dictate not only wages, but also overtime calculations, benefit contributions, and specific documentation requirements. It’s essential to track each union member’s classification and ensure wages and deductions comply with their contracts.
  • Certified Payroll and Government Contracts: Many companies work on federal, state, or local projects that require certified payroll reports. These detailed documents prove compliance with prevailing wage laws, adherence to local workforce stipulations, and serve as the foundation during audits.
  • Multi-State Compliance: Projects, contractors, and crews often operate in multiple states or jurisdictions, each with its own labor laws and tax regulations. Calculating withholdings, adhering to minimum wage rules, and staying current with legislative changes across regions add another layer of complexity.
  • Benefits and Deductions: Fringe benefits, health and welfare, vacation accruals, and retirement contributions often vary by project, region, or contract—meaning no two payroll cycles are exactly the same.

Even small errors—such as a missed wage bump or an incorrect cost allocation—can mean underpayment, risk of DOL penalties, poor relationships with crews, and reputational harm. Construction payroll, in essence, requires transparency, documentation, and bulletproof data tracking in a way that other industries don’t.

What Makes Acumatica a Preferred ERP for Construction Teams

Modern construction organizations are increasingly turning to specialized ERPs to unify their project data, automate complex processes, and ensure accuracy in their financial reporting. Acumatica is a standout ERP solution that empowers construction teams to overcome many long-standing industry obstacles:

  • Advanced Job Costing: Acumatica’s platform tightly couples time entry, expense tracking, and material usage with job numbers and cost codes. This supports real-time monitoring of project profitability, change order management, and variance analysis. Teams get an accurate view of where their time and money are spent—helpful for informed decision-making.
  • Comprehensive Project Accounting: All project-related costs, from labor and materials to equipment rentals and overheads, flow seamlessly into Acumatica. Customizable dashboards help finance and project managers control budgets, process billings, and maintain compliance.
  • Field Mobility: Field teams can use mobile apps to clock in, assign hours to specific codes, and submit expenses or shift notes directly from the jobsite. This speeds up reporting, reduces errors, and keeps the flow of data continuous from jobsite to office.
  • Regulatory and Compliance Built-In: Acumatica is built for the nuances of construction, supporting multiple unions, pay rates, prevailing wage configurations, and certified payroll reporting. This translates into simpler compliance and faster responses to audits or agency requests.
  • Unified Platform: Instead of juggling separate systems for timekeeping, payroll, job costing, and accounting, Acumatica integrates everything. Project managers, finance admins, and executives all work on the same underlying dataset, improving collaboration and accountability.
  • Customization and Growth: Acumatica’s open architecture means contractors aren’t locked into rigid workflows. Custom fields, personalized reports, and integration opportunities allow companies to scale and adapt without expensive IT projects.

This holistic approach helps solve the fundamental challenges of disconnected data, slow processing, and poor job cost visibility that can hinder project delivery and financial health.

Limitations of Traditional Payroll Systems

Despite the advantages of modern ERP, many construction companies remain saddled with legacy payroll systems—or use generic solutions never intended for industry demand. These limitations can undercut productivity, profitability, and compliance:

  • Manual Data Entry: Payroll often starts with foremen and supervisors filling out timesheets by hand or on spreadsheets. Office staff then transcribes this data, introducing risk for miskeying or omission, and causing time-consuming reconciliation when discrepancies inevitably arise.
  • Gaps in Cost Code Tracking: Assigning time to detailed cost codes is tedious in generic payroll tools or may not be available at all. The result? Labor hours get lumped into general ledgers, preventing granular project tracking and forcing post-payroll corrections.
  • Compliance Blindspots: Traditional payroll systems lack automation for prevailing wage calculations, union rules, and certified payroll reporting. This means payroll teams must manage complex regulatory tasks manually, dramatically increasing the risk of errors and audit failures.
  • No Real-Time Integrated Data: Field data may not reach the office for days, and payroll teams only see issues during or after payroll processing. This lag undermines cost control and makes proactive issue resolution nearly impossible.
  • Difficult Audit Trails: Investigating wage claims or responding to agency audits becomes unwieldy, as data linking hours, jobs, and worker rates often lives in disparate files and systems.
  • Scalability Constraints: As companies grow—taking on new states, jobs, or union contracts—old systems may not keep pace, requiring costly workarounds or replacements.

Together, these issues mean construction payroll is slower, less accurate, and harder to manage than it needs to be. More time spent firefighting administrative bottlenecks means less focus on delivering projects efficiently.

How the Lumber & Acumatica Integration Works

Lumber’s Acumatica integration is purpose-built to remove inefficiency and risk, bridging the field, office, and compliance system with an automated and accurate payroll workflow.

Lumber + Acumatica Integration
Acumatica & Lumber's Integrated Solution

Here’s how the typical process unfolds:

  1. Field Data Collection: Using Lumber’s modern mobile tools, workers and supervisors record time, select the correct job codes, note locations, and assign cost codes down to task level—all from their smartphones or tablets onsite.
  2. Automated Sync to Office: As soon as time is submitted, data pushes directly to the Acumatica environment, eliminating the need for rekeying or file uploads. The sync works in real time, giving finance and HR up-to-date visibility.
  3. Rules Engine Application: Lumber’s platform uses built-in logic to apply union requirements, state-specific wage rules, and project agreements. The system automatically calculates travel time, shift premiums, and overtime based on the day’s events.
  4. Rate and Classification Match: Each worker’s classification, pay rate, and benefit contributions are pulled from the established project profile, ensuring no hours are paid at the wrong rate or under-allocated.
  5. Certified Payroll Preparation: For projects that require it, Lumber’s integration pre-generates DOL-compliant certified payroll documents with all supporting data.
  6. Payroll Processing: Once reviewed and approved, payroll runs can be executed in Lumber and reported through Acumatica, with checks/direct deposits disbursed.
  7. Job Cost Review: All payroll costs update project ledgers and reports in Acumatica, giving managers ongoing clarity into spend versus budget. Adjustments or corrections can be identified and acted on promptly.
  8. Compliance and Audit Readiness: Exception tracking, audit trail logging, and instantaneous report generation make responding to agency requests or undergoing audits far more manageable—saving valuable time and reducing risk.

This smart integration means construction firms can devote their energy to building, not chasing paperwork or worrying about mistakes.

Key Benefits of Lumber’s Integration with Acumatica

The impacts of streamlined, automated payroll and project costing are tangible for modern contractors:

  • Time Savings for Payroll Teams: Eliminate manual spreadsheets, repeated data entry, and hours of error-checking. Teams spend less time on rote administration and more on big-picture analysis and planning.
  • Consistent Payroll Accuracy: By automating rule application and real-time validation, the risk of costly errors—whether underpayment or overpayment—drops dramatically.
  • Stronger Project Visibility: Every payroll dollar is tied to the correct job, phase, or cost code, improving the ability to forecast, analyze, and course-correct while projects are live.
  • Compliance Peace of Mind: Automated tracking and built-in report generation for union, certified, and multi-state payroll ensure you’re always ready for audits and regulation changes.
  • Enhanced Field-Office Communication: Real-time sync ensures that both field and HQ staff operate from the same data, eliminating rework and fostering collaborative project management.
  • Faster Financial Close: End-of-month closing and reconciliation are simplified, giving leaders faster access to accurate financials to keep projects and the business on track.
  • Morale and Trust: Workers can trust that their pay is always accurate and on time, improving loyalty and reducing payroll disputes.
  • Scalability as You Grow: Expansion into new territories or specialties doesn’t require complete system overhauls. Lumber and Acumatica’s flexible setup adjusts with your evolving business requirements.

Concrete results are realized quickly: companies implementing this integration see major reductions in payroll processing times, lower risk of government penalties, and a stronger ability to bid confidently on new jobs—knowing they can handle even the most complex workforce and regulatory needs.

The combination of Lumber’s dedicated construction payroll automation platform and Acumatica’s powerful ERP transforms one of the industry’s hardest administrative burdens into a competitive advantage. No more chasing paper timesheets, guessing at job cost allocations, or scrambling for compliance documentation. Instead, contractors benefit from a workflow designed for construction—from on-site data capture through detailed job costing, automated certified payroll, and reporting ready for any audit.

Experience the future of construction payroll today. With Lumber’s Acumatica payroll integration, you can achieve genuine 100% payroll accuracy, free up your teams for higher-value work, and support every project’s profit goals with compliant, real-time data.

Ready to discover smarter construction payroll? Visit Lumber to see a demo and learn how construction companies like yours are simplifying payroll, improving compliance, and achieving total project visibility with Acumatica payroll integration.

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Introduction

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Other resources

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Mandatory Deadlines | Internal Review/Best Practice 
Critical Construction Compliance | Awareness Week
January 2026
Jan 2, 7, 9, 14, 16, 21, 23, 28 & 30
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Thursday, Jan 15, 2026
Deadline for December 2025 Monthly Depositor Tax Liabilities
Monday, Feb 2, 2026
(Standard Jan 31 deadline shifted to next business day as it falls on a weekend)
1. File Form 941 (Employer's Quarterly Federal Tax Return) for Q4 2025
2. Distribute Form W-2s to employees for 2025
3. Distribute Form 1099-NEC to subcontractors for 2025
4. File Form W-2s with the Social Security Administration (SSA)
5. File Form 1099-NEC with IRS
6. File Form 1096 (summary of 1099s)
7. State Unemployment and Quarterly Wage Reports for Q4 2025
These reports are typically due Jan 31. Verify state-specific deadlines and file accordingly.
Annual Depositor Deadline (Form 944 Filers)
Annual depositors must file Form 944 and deposit taxes with the return by this date. 
February 2026
Feb 4, 6, 11, 13, 18, 20, 25 & 27
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Tuesday, Feb 10, 2026
Extended deadline to file Form 941 (Q4 2025)
Only if all Q4 2025 federal tax deposits were made on time.
Tuesday, Feb 17, 2026
Deadline for January Monthly Depositor tax liabilities
(Feb 15 is a Sunday and Feb 16 is President’s Day)
March 2026
Mar 4, 6, 11, 13, 18, 20, 25 & 27
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Monday, Mar 2, 2026
File Form 1099-MISC with the IRS (paper filing)
(Standard Feb 28 deadline shifted to next business day)
Monday,
Mar 16, 2026
Deadline for Feb Monthly Depositor tax liabilities
April 2026
Apr 1, 3, 8, 10, 15, 17, 22, 24 & 29
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Wednesday
Apr 15, 2026
Deadline for March Monthly Depositor tax liabilities 
Thursday, Apr 30, 2026
1. File Form 941 for Q1 2026
2. File State Quarterly Wage Reports (Verify state-specific deadlines)
Internal Compliance Review: Review certified payroll reports and compliance for Q1.
Certified payroll reports are due WEEKLY for prevailing wage projects.
May 2026
May 1, 6, 8, 13, 15, 20, 22, 27 & 29
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Friday, May 15, 2026
Deadline for April Monthly Depositor tax liabilities
June 2026
Jun 3, 5, 10, 12, 17, 19, 24 & 26
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Monday, Jun 15, 2026
Deadline for May Monthly Depositor tax liabilities 
Tuesday, Jun 30, 2026
1. Mid-year review of workers' compensation insurance
2. Review certified payroll compliance for prevailing wage projects
Certified payroll reports are due WEEKLY for prevailing wage projects.
July 2026
Jul 1, 3, 8, 10, 15, 17, 22, 24, 29 & 31
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Wednesday, Jul 15, 2026
Deadline for June Monthly Depositor tax liabilities 
Friday, Jul 31, 2026
1. File Form 941 for Q2 2026
2. File state quarterly wage reports (Verify state-specific deadlines)
3. Review and update fringe benefit rates for union projects
August 2026
Aug 5, 7, 12, 14, 19, 21, 26 & 28
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Monday, Aug 17, 2026
Deadline for July Monthly Depositor tax liabilities 
(Aug 15 is a Saturday)
September 2026
Sep 2, 4, 9, 11, 16, 18, 23, 25 & 30
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Sep 7 - Sep 11, 2025
National Payroll Week
Take a moment to appreciate yourself this week. You deserve it.
Tuesday, Sep 15, 2026
Deadline for August Monthly Depositor tax liabilities 
Wednesday Sep 30, 2026
1. Review job costing and labor burden rates
2. Prepare for year-end certified payroll audits
October 2026
Oct 2, 7, 9, 14, 16, 21, 23, 28 & 30
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Thursday, Oct 15, 2026
Deadline for September Monthly Depositor tax liabilities 
November 2026
Nov 4, 6, 11, 13, 18, 20, 25 & 27
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Monday, Nov 2, 2026
1. File Form 941 for Q3 2026
2. File state quarterly wage reports (Verify state-specific deadlines)

Monday, Nov 16, 2026
Deadline for October Monthly Depositor tax liabilities 
(Nov 15 is a Sunday)
Monday,
Nov 30, 2026
Year-End Preparation:
1. Order W-2 and 1099 forms for year-end
2. Review subcontractor W-9s and update as needed
December 2026
Dec 2, 4, 9, 11, 16, 18, 23, 28 & 30
Semi-Weekly Federal Tax Deposit Due
Sat-Tue wages → Friday deposit; Wed-Fri wages → Wednesday deposit
Tuesday,
Dec 15, 2026

1. Final payroll of the year - verify all hours and classifications
2. Ensure all certified payroll reports are submitted for prevailing wage work
Certified payroll reports are due WEEKLY for prevailing wage projects.
3. Complete year-end workers' compensation audit paperwork
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