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Estimating & Bidding

Direct Costs

In Plain English

The money spent directly on building the project — labor, materials, and equipment.

Definition

Direct costs are expenses that can be specifically and exclusively attributed to construction of the project, including labor, materials, equipment, and subcontractor costs. They are distinguished from indirect costs such as home office overhead. Direct costs typically represent 75–85% of a contractor's total project cost.

Why It Matters in Bidding

Direct costs form the foundation of every bid, since markup for overhead, profit, and contingency is layered on top of them. Accurately capturing labor, material, equipment, and subcontractor costs from the takeoff determines whether the price is competitive yet profitable, and misclassifying an indirect cost as direct, or vice versa, distorts both the bottom line and the markup percentage applied.

Example

Building a hard-bid estimate, a GC totals direct costs from the quantity takeoff and sub quotes, then applies a fixed percentage for home-office overhead and profit on top to reach the final bid number submitted to the owner.

Related Terms

Indirect CostsOverheadLabor BurdenMaterial Takeoff

Frequently Asked Questions

Direct costs cover field labor with burden, permanent materials, installed equipment, rented or owned construction equipment, and subcontractor quotes tied to the work. Job-specific general conditions like a site trailer or project superintendent are sometimes treated separately. Anything attributable solely to building the project belongs in this category.
Direct costs attach to the physical work and scale with quantities. Indirect costs, such as home-office overhead, estimating staff, and corporate insurance, support the company across all projects and are recovered through markup. Drawing the line consistently keeps your markup percentage accurate and your bids comparable from job to job.
Direct costs are the largest share of price, so small takeoff or productivity errors compound into a number that is either uncompetitive or unprofitable. A disciplined direct-cost buildup also lets you defend the bid during scope reviews and convert estimated quantities into purchase orders cleanly during buyout.

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