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Estimating general conditions: the job costs that aren't in your takeoff

Estimating General Conditions: The Job Costs That Aren't in Your Takeoff
Photo: "Camp Pendleton Naval Replacement Hospital Construction Project Achieves Safety M" by NAVFAC, CC BY 2.0 (cropped).

Your takeoff counts studs, board, grid and tile. But a job also needs a foreman, a trailer or gang box, lifts, dumpsters, temporary protection and cleanup. These general conditions (often called "general requirements" or "job overhead") are real costs, and they're easy to under-carry on a fast bid.

Key takeaways

General conditions vs. overhead

As AIA Contract Documents: General conditions costs in construction explains, general conditions costs are the indirect costs needed to run a specific project: supervision, temporary facilities, permits, safety, waste handling and similar items. They're different from company overhead (office rent, estimators, accounting), which you recover through markup. Procore: General conditions in construction also notes that the contract's "General Conditions" document (such as AIA A201) is a set of terms, while the general conditions costs are what you price.

A subcontractor's general conditions checklist

Price it from the schedule

Most general conditions are time-based. A scissor lift costs per week or month; a foreman costs per day. Estimate your duration on the job (including gaps between phases, such as framing, then board, then finish), then price each item per week. A job that stretches from 8 weeks to 12 adds half again to your time-based costs even if the scope didn't change.

Fixed vs. time-based items

Fixed (one-time)Time-based (per week/month)
Mobilization, permits, mock-ups, closeout docs, final cleanSupervision, lift rental, storage, dumpsters, daily cleanup

Read the bid documents

Division 01 and the GC's scope sheet tell you what the GC provides (hoist, dumpsters, temporary power) and what you're responsible for. Note anything you're assuming in your proposal, and see our guide to bid exclusions and clarifications.

Where it goes in the estimate

Keep general conditions as their own section so you can adjust them when the schedule changes and see them clearly when you level bids or price a change order that extends time. Apply your markup after general conditions so overhead and profit cover them too.

Published October 27, 2026. We do not use affiliate links on this page; see our Affiliate Disclosure.