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Construction glossary

What is a Lien Waiver?

A lien waiver is a legal document used in the construction industry that is often exchanged between parties involved in a construction project. This waiver essentially absolves or "waives" the claimant's (typically a project participant like a contractor, subcontractor, or supplier) right to impose a lien on the property for the amount they have been paid. It's often used upon payment to ensure that the payer is protected from double payment or any encumbrances on the property related to payment disputes. There are four general types of lien waivers: conditional and unconditional, each of which can be used for progress or final payment. Each type has its own legal implications, so it's important to understand them fully before signing.

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Other construction terms

Cash Flows Statement

What is a Cash Flows Statement?

A Cash Flows Statement, specifically in the construction industry, serves as a financial document that provides a detailed summary of a company's cash inflows and outflows over a certain period. This statement plays a crucial role in understanding the liquidity and solvency of a construction company as it helps track where the funds originate and where they get spent. It is segmented into three elements: operating activities (day-to-day operations of the construction business), investing activities (acquisition or disposal of assets), and financing activities (transactions with owners or lenders). It provides invaluable information for contractors, investors, and stakeholders, enabling them to scrutinize the financial health, operational efficiency, and investment potential of the construction company.

Overbillings

What is Overbilling?

Overbilling (or billing in excess of costs) occurs when you’ve invoiced your client for more work than you’ve actually completed or incurred costs for. In other words, it represents getting paid ahead of your work schedule.

Here’s how it works: If you’re a concrete subcontractor on a $100,000 job and you bill 50% upfront ($50,000) but have only completed $30,000 worth of work, that $20,000 difference is your billings in excess of costs. You owe your client that work, and until you complete it, that $20,000 remains as a liability on your balance sheet.

For subcontractors, understanding billing in excess of costs is essential because it can be a strategic cash flow tool when used carefully. For example, when bidding on a job, you can be smart about how you structure your schedule of values (SOV)—breaking work down into more detailed line items that allow earlier billing. However, this strategy requires regular monitoring to ensure:

  • Your billing somewhat aligns with your actual percentage complete, and 
  • The remaining contract value will still cover your remaining costs.

The biggest risk of overbilling is thinking your margins look better than they are, simply because you’re collecting cash faster. Surety companies and lenders also scrutinize overbillings closely, as excessive amounts can signal poor project management or potential cash flow problems down the road.

With Siteline, you can easily track whether you’re billing in excess of your costs by pulling your month-to-month incurred costs and comparing them against your billing progress. This real-time visibility helps ensure you’re billing appropriately while maintaining realistic profitability expectations. If you’re interested in seeing for yourself, schedule a personalized demo of Siteline here.

Markup

What is Markup?

Markup in the construction industry refers to the percentage increase added to the actual costs of construction projects to determine the selling price. The markup covers overhead expenses, such as administrative costs, and ensures the contractor makes a profit from the project. The percentage can vary greatly based on factors like the complexity of the project, competition in the local market, and the contractor's reputation and experience. Careful consideration is needed when deciding the markup as too high can make a contractor's bid uncompetitive, while too low may not cover all expenses or allow for a reasonable profit margin. A good understanding of the project, accurate cost estimations, and market research are crucial for determining an appropriate markup.

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