12 General Contractor Red Flags and How to Avoid Them

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12 General Contractor Red Flags and How to Avoid Them

General contractor red flags often hide inside proposals that look perfect at first glance. A bid lands well below the others, promises a faster finish, and hints that permits can be “fast-tracked.” It appears to be a win until the fine print reveals scope gaps, open-ended allowances, and a payment schedule that front-loads cash before work commences. In 2025, with tight labor, long lead times for materials, and busy permitting offices, small mistakes can snowball. Learn to spot risk early and avoid it with clear, professional controls.


1) Payment in full before work begins

Why it’s a red flag: Shifts risk to the owner and bypasses normal checks.
How to avoid it: Use a reasonable deposit, progress draws tied to milestones, standard retainage, and lien waivers with each pay app.

2) Vague scope and missing exclusions

Why: Ambiguity invites change orders.
How to avoid it: Require detailed inclusions/exclusions, defined allowances, and a bid-leveling sheet for apples-to-apples review.

3) No named superintendent or project manager

Why: Day-to-day accountability gets blurry.
How to avoid it: List the superintendent and PM in the contract, note on-site cadence and decision authority, and require owner approval for substitutions.

4) “We’ll figure out permits” (or skip steps)

Why: Delays and compliance exposure.
How to avoid it: Ask for a documented permitting plan with AHJ touchpoints, review/resubmittal workflow, and realistic timelines.

5) Limited transparency on insurance or safety metrics

Why: Liability and incident risk.
How to avoid it: Collect current COIs (GL, Workers’ Comp, Builder’s Risk), additional-insured language, recent EMR/TRIR, and a site-specific safety plan before mobilization.

6) An optimistic schedule without a critical path

Why: Slippage is inevitable.
How to avoid it: Request a milestone schedule, a long-lead procurement log, float analysis, and a recovery plan for critical-path activities.

7) A low base bid padded with “TBD” allowances

Why: Costs balloon during construction.
How to avoid it: Replace TBDs with defined allowances, unit pricing, and vetted alternates; normalize quantities/specs across bidders.

8) No defined change-order process (or “zero changes” guaranteed)

Why: Not credible—and often costly later.
How to avoid it: Define triggers, pricing method (T&M/unit/GMP), required backup, markup caps, and approval routing in the agreement.

9) Unvetted subcontractors—or requests to work under your insurance

Why: Quality and liability concerns.
How to avoid it: Require subcontractor prequalification, proof of insurance, supervision standards, and field QA/QC expectations.

10) Reluctance to provide recent, relevant references

Why: Reputation gap.
How to avoid it: Ask for three: one recent, one legacy, and one repeat client, with contact info and permission to call.

11) Pressure to mobilize before contract and preconstruction documents

Why: No baseline for scope, safety, schedule, or cost control.
How to avoid it: Start after contract execution, COIs, schedule of values, baseline schedule, and a site-specific safety plan are in place.

12) No plan for quality control or closeout

Why: Endless punch lists and warranty friction.
How to avoid it: Set QC checkpoints at rough-in and pre-punch; require a complete closeout package (O&Ms, training, warranties, as-builts) before final payment.


How to use this guide (and avoid red flags altogether)

  • Before bidding: Issue a one-page scope summary and a standardized bid form.
  • When leveling bids: Compare scope, exclusions, allowances, and long-lead items—not just price.
  • In the contract: Lock payment terms, named personnel, permitting plan, change-order process, and closeout requirements.
  • During delivery: Hold weekly OAC meetings, maintain RFI/submittal SLAs, track long-lead procurement, and keep a simple risk register.

This article can’t replace good counsel, but it might save you a few billable hours by flagging shaky contracts before your attorney ever sees them.