Subcontractor Default: Early Warning Signs and Contingency Planning

Why Default Happens and Why It Catches GCs Off Guard

A subcontractor default rarely shows up all at once. It arrives in pieces: a missed delivery, a crew that suddenly shrinks, a phone call that goes to voicemail for three days straight. By the time most GCs recognize the pattern, they are already behind schedule and absorbing costs that were never in their budget.

The good news is that most defaults are telegraphed weeks in advance. GCs who know the signals and have a contingency plan in place recover faster, spend less money doing it, and keep their relationship with the owner intact. This guide covers both: the warning signs to watch for on every active subcontract, and the steps to take when a sub is trending toward failure.

Early Warning Signs You Cannot Afford to Ignore

Not every sign below means a sub is going to default. But when you see two or three of them together, treat it as an active risk, not a passing concern.

1. Crew Counts Drop Without Explanation

You budgeted a six-person drywall crew for a four-week interior rough-in. By week two, three people show up. The foreman says the others are on another job "temporarily." That answer should put you on alert. When a sub starts pulling manpower from your site to cover a cash crisis or a scheduling fire somewhere else, your project absorbs the impact directly. Track crew headcount weekly. If counts fall more than 20 percent below what the subcontract schedule requires, request a written recovery plan.

2. Material Deliveries Start Arriving Late or Stop Entirely

A sub who cannot pay their supplier gets put on credit hold. When material deliveries slow down or stop, that is often the first visible sign of a cash problem upstream. Cross-reference the sub's schedule of values with what is actually on site. If they are billing for materials stored on the jobsite but you are not seeing those materials arrive, something is wrong. The AIA G703-style continuation sheet is your reference point here: Column C (scheduled value) versus what your superintendent can physically confirm.

3. Pay Application Submissions Become Erratic

Most subs submit on a predictable cycle tied to your prime contract billing window. When a sub starts submitting late, submits for inflated percentages without field confirmation, or suddenly stops submitting altogether, pay attention. A sub who overbills early is often trying to paper over a cash shortfall. A sub who stops billing is sometimes avoiding the conversation that would come with submitting a low number.

4. Lower-Tier Suppliers and Sub-Subs Start Calling You Directly

When a material supplier or sub-sub calls your office asking whether the GC has paid the sub, that is a significant signal. The supplier is calling because they have not been paid by the sub and they are trying to figure out if there is money in the pipeline. Under most state lien laws, that call is also a precursor to a preliminary notice or a lien. Take every one of those calls seriously and document them.

5. The Sub's Key People Disappear

The project manager who signed the subcontract is no longer responding. The site foreman you have worked with for two years is suddenly reassigned. New faces appear without introduction. These personnel changes often signal internal instability, ownership disputes, or a company that is quietly winding down operations. Get in front of whoever is now responsible in writing.

6. Insurance Certificates Lapse

Your contract should require the sub to maintain continuous GL and workers comp coverage. Set a calendar alert for every certificate expiration date on your active subs. A lapsed certificate is sometimes administrative, but it is also sometimes a sign that the sub stopped paying premiums because cash is tight. Either way, work cannot continue until coverage is confirmed in writing.

7. Change Order Disputes Become Aggressive

A sub who was previously reasonable about pricing suddenly disputes every pending change order and demands immediate payment for work not yet verified. This behavior is often driven by cash pressure, not principle. A sub trying to generate cash fast will fight for every dollar. Document all change order activity carefully and do not approve amounts you have not verified in the field.

What to Do When Warning Signs Accumulate

Once you have identified two or more of these signals on a single subcontract, move immediately. Waiting costs money.

Step 1: Pull the Subcontract and Read the Default Clause

Your subcontract almost certainly has a default and termination clause. Read it before you make any calls. Most standard subcontract forms require written notice of default and a cure period, commonly 48 to 72 hours for urgent site issues and up to seven days for broader performance failures. Know exactly what notice is required, who it goes to, and in what format. Acting outside the contract's procedure can expose you to a wrongful termination claim.

Step 2: Get a Realistic Cost-to-Complete Estimate

Before you decide whether to push the sub to recover or begin termination proceedings, you need a number. What will it actually cost to finish the scope with a replacement contractor, accounting for remobilization, productivity loss, and any rework? Get at least one informal number from a backup sub quickly. That number tells you whether recovery is worth pursuing or whether termination is the faster, cheaper path.

Step 3: Issue a Formal Cure Notice

If your contract allows for a cure period, send a written cure notice that identifies the specific failures: dates of missed crew requirements, the delivery shortfalls, the billing discrepancies. Be factual and specific. "Failure to maintain adequate manpower as required by Exhibit A, Schedule of Work" is better than "your performance has been unsatisfactory." The cure notice starts the clock on your termination rights and creates the paper trail you will need if this ends in a dispute.

Step 4: Contact the Surety If There Is a Performance Bond

If your subcontract required a performance bond, notify the surety in writing as soon as you believe default is likely. Do not wait until termination is complete. Most performance bond forms require the GC to notify the surety promptly and to allow the surety an opportunity to remedy the default, complete the work, or arrange for a replacement contractor. Missing this step can jeopardize your bond claim. Get the bond number from the subcontract and call the surety's claims department directly.

Step 5: Freeze Payments and Document the Holdback

Once a default notice is issued, stop processing payments beyond what is contractually required for verified completed work. Document the exact retainage balance, the value of any disputed change orders, and any amounts you are withholding as a result of the default. Keep this in your job cost ledger against the sub's cost code. These numbers will matter when you calculate the backcharge for cost-to-complete against the sub's contract balance.

Step 6: Activate Your Backup Sub

Every project over $500,000 should have at least one backup sub identified for high-risk scopes: mechanical, electrical, structural steel, and drywall in particular. If you have never pre-qualified a backup, now is the time to make calls. Give the backup your original subcontract scope, your schedule, and the current completion status. Get a price. Move fast, because every day without boots on the ground costs you money on liquidated damages and extended general conditions.

Step 7: Notify the Owner and Architect Early

GCs who hide a subcontractor problem from the owner and architect until it is unavoidable create a much bigger trust problem than the default itself. Notify them as soon as you have a plan. You do not need to have everything solved before you pick up the phone. "We identified a performance issue with our roofing sub, we have issued a cure notice, and we have a backup contractor ready to mobilize if needed. We do not anticipate a schedule impact beyond three days" is a professional, credible communication. Silence is not.

Build Your Contingency Plan Before You Need It

Contingency planning is not a response to a crisis. It is a standing process built into how you manage every active subcontract.

• Pre-qualify a short list of backup subs by trade before a project starts. Know who is available in your market for each major scope.
• Review crew counts and delivery logs weekly on subcontracts over $100,000. Make this part of your superintendent's Friday report.
• Set certificate of insurance expiration alerts in your document management system. Thirty days out is your trigger for re-verification.
• Track lower-tier payment status on major subs using conditional lien waiver exchanges. Require a conditional lien waiver from the sub's material supplier when billing amounts are large enough to create real exposure.
• Maintain a default reserve in your job contingency line. For subcontracts over $250,000, budget 3 to 5 percent of the subcontract value as a default contingency. It rarely gets used. When it does, you will be grateful it was there.

The Cost of Ignoring the Signs

A framing sub on a $4.2 million medical office build defaults in week seven of a fourteen-week shell schedule. The GC waits two weeks hoping the sub will recover, then terminates. The backup sub charges $180,000 more than the original contract balance to complete the work, plus a $40,000 remobilization fee. The schedule slides five weeks. Liquidated damages at $2,500 per day cost $87,500. Total overrun: $307,500. None of it was recoverable because the original sub had no bond and no assets.

The GC who acts at the first sign of default rather than the third or fourth cuts that exposure significantly. Early termination with a pre-qualified backup in place might have cost $90,000 in overrun instead of $307,500. The difference is the cost of watching and waiting.

Keep Every Dollar Tied to the Right Contract

Subcontractor pay applications, joint checks, and backcharge calculations all need to live in the same place, tied directly to the prime contract and the sub's cost code. EZBilling keeps them connected so your exposure is visible before a default becomes a disaster.