Cash Flow

Retainage: 83% of the job's profit, held by somebody else

By Scavi Company · · 12 min read
Retainage: 83% of the job's profit, held by somebody else

On a $400,000 project at 12% gross margin with 10% retainage, $40,000 of your $48,000 profit sits in someone else's account until closeout — after you have already paid every sub, every supplier and every hour of labor.

Retainage is your profit, held by somebody else

On most commercial and many larger residential contracts, a percentage of every payment is withheld until the project is complete — commonly 5% or 10%. It is called retainage, and it exists to give the owner leverage to ensure the work gets finished properly.

That reasoning is legitimate. The arithmetic, however, is brutal for the contractor, because retainage is not withheld from your revenue evenly. It is withheld from the part of the contract that was going to be your profit.

On a $400,000 project at 12% gross margin, the margin is $48,000. At 10% retainage, $40,000 is held. Eighty-three percent of the profit on that job is sitting in someone else's account until closeout, while you have already paid every sub, every supplier and every hour of labor.

Why growing contractors run out of cash

Retainage scales with volume. A company running $2M in retained-contract work at 10% is financing $200,000 for the owner at any given moment. Double the revenue and you double that. This is the mechanism by which a profitable, growing contractor goes broke — not from losing money on jobs, but from funding everyone else's holdback out of working capital.

What the law says, and why it varies so much

Retainage is regulated, and the rules differ significantly by state and between public and private work. Several states cap the percentage that may be withheld, some require it to be reduced or released at substantial completion, some require interest or an escrow account, and prompt payment statutes frequently set deadlines for releasing it once conditions are met.

None of that is uniform, and none of it should be assumed. The practical implication is that a contractor working in more than one state, or moving from private into public work, is operating under different rules than the ones they are used to — and the protections available are often stronger than contractors realize, because most never look them up.

This is worth a conversation with a construction attorney once, for the states you actually work in. It is a small cost against the amounts involved.

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What to negotiate before signing

Retainage terms are negotiable far more often than contractors assume, particularly with private owners. Five things worth asking for:

  1. A lower percentage. Five instead of ten is a common landing point, and simply asking succeeds more often than not asking.
  2. Reduction at a milestone. Retainage drops from 10% to 5% at 50% completion, which is standard in many contracts and rarely offered unprompted.
  3. Release by phase or trade. Your portion released when your scope is complete and accepted, rather than when the entire project closes — this matters enormously for early trades, who otherwise wait a year to be paid for work finished in month two.
  4. A defined release condition. Not "upon final completion" but a specific, checkable list: punch complete, waivers delivered, closeout documents submitted.
  5. A deadline with consequence. A number of days after the condition is met, with interest after that.

The most valuable of these is the third, and the second most valuable is the fourth. Vague release language is what turns retainage from a delay into a dispute.

Flowing it down, or absorbing it

A general contractor who accepts 10% retainage and pays subcontractors in full is financing the entire holdback alone. Flowing the same retainage down to subs is standard practice, and it has to be in the subcontract explicitly, with the same release conditions.

The trade-off is real: subs who are held pay more attention to closeout, but they also price the holdback into their bids. A general contractor who pays subs without retention often gets better pricing and better crews — while carrying more of the cash burden. Neither answer is universally right; the mistake is doing it by accident rather than deciding.

Pricing the holdback into the bid

The cost of financing retainage is real, measurable and almost never included in a bid — which means contractors routinely absorb it out of a margin that was already thin.

The calculation is simple. Take the expected retained amount, multiply by the number of months you expect to carry it, and apply your actual cost of money, whether that is a line of credit rate or the return you would get from deploying the cash elsewhere. On a $400,000 job with $40,000 retained for eight months at a 10% annual cost of capital, that is roughly $2,670 — money the contractor spends and never bills.

Two ways to handle it, and both are legitimate:

  • Include it in the markup for contracts that carry retainage, which quietly prices the reality without a conversation.
  • Offer a discount for reduced or released retainage. "The price is X with 10% held, or X minus 1% if retainage is capped at 5%." Some owners take it, and the ones who do improve your cash and your margin at the same time.

What should not happen is bidding as though the money arrives with the final invoice. That assumption is what makes a job that priced at 12% actually return less, on cash-adjusted terms, than one bid at 10% and paid on time.

Retainage in residential work

Residential contractors often assume retainage is a commercial problem. It shows up in their world too, just under different names and usually less formally.

The common forms: a final payment intentionally sized large so the homeowner holds leverage until the punch list is done; a lender's construction draw schedule that holds back a portion until final inspection; and homeowners who simply decide to hold money because something is unfinished, without any contractual basis.

The protections are the same in principle and simpler in practice: a payment schedule tied to defined milestones rather than to percentages of vague progress, a final payment sized so that it is not larger than the remaining work justifies, a written punch list with a completion date agreed by both sides, and an explicit statement of what constitutes completion for payment purposes. A final payment of 25% on a residential remodel is an invitation to a dispute; the same job with 10% at completion and defined milestones before it rarely produces one.

Collecting it, which is where most of it is lost

Retainage is rarely refused outright. It is delayed until the contractor stops asking, and the delay usually comes down to paperwork nobody assembled.

What prevents it:

  • Close the punch list fast and get it signed. The single most common reason retainage sits is an unresolved punch item worth a few hundred dollars holding tens of thousands.
  • Assemble the closeout package before it is requested — warranties, manuals, as-builts, lien waivers, affidavits, whatever the contract lists. Retainage does not move until that folder is complete.
  • Invoice for it explicitly. Many contractors never send an invoice for retainage, assuming it releases automatically. It does not; someone has to process a payment, and nobody processes what was not billed.
  • Track it as a receivable from day one, by project, with the release condition and expected date. Retainage that is not on a list is retainage nobody is chasing.
  • Escalate on a schedule. A polite request, then a written notice referencing the contract terms, then the statutory or contractual remedy. Contractors who wait to be angry before escalating lose months.

A year, in numbers

A commercial contractor at $4.8M in revenue, average 8% retainage across contracts.

Before changing anything: $384,000 retained across active and recently completed projects; average time from substantial completion to retainage received: 142 days. The company carried a line of credit averaging $210,000, at an annual cost of roughly $18,900 in interest — money spent to finance work it had already completed.

The changes: a closeout checklist started at 80% completion instead of at the end; a retainage schedule reviewed weekly with owner, amount, condition and date; explicit invoicing for retainage; and negotiated reduction at 50% completion on new contracts.

After twelve months: average days to collection down to 61; retained balance down to $228,000 on higher revenue; line of credit usage down to an average of $95,000.

Interest saved: $10,350. Cash released: roughly $156,000 — which funded two additional simultaneous projects without borrowing.

The unglamorous truth

None of that came from a legal fight. It came from starting the closeout paperwork earlier and putting the retainage on a list somebody looks at every week. The contractors who collect fastest are not the most aggressive — they are the most organized, because the money is almost never being refused, only postponed by an incomplete folder.

The protections that exist when it goes wrong

When retainage is genuinely withheld rather than delayed, contractors have remedies — and they are time-sensitive, which is what most companies discover too late.

The mechanisms that commonly apply: mechanics lien rights, which have strict notice and filing deadlines that vary by state and begin running from dates that are easy to miss; claims against a payment bond on bonded projects, which also carry deadlines; prompt payment statutes, which in many states impose interest and sometimes attorney fees; and the contract's own dispute resolution clause.

The rules are genuinely state-specific and the deadlines are unforgiving. The practical protection is to know, before signing, what the deadlines are in that state and to calendar them at the start of the job rather than researching them after payment has already been late for four months.

Five mistakes that leave the money out there

  • Not tracking retainage as a receivable. If it is not on a list, nobody is collecting it.
  • Never invoicing for it. It does not release on its own.
  • Leaving punch items open. A small unfinished item holds a large payment indefinitely.
  • Accepting vague release language. "Upon final completion" can mean whenever the owner decides.
  • Missing the notice deadlines. Lien and bond rights expire, and they expire quietly.

The numbers to track

  • Total retainage outstanding, by project, with the release condition and expected date.
  • Average days from substantial completion to retainage received.
  • Retainage as a percentage of annual gross profit, which shows how much of the year's earnings is being financed for others.
  • Line of credit usage, and how much of it exists because of retainage.
  • Closeout package completion date versus substantial completion date.
  • Contracts with negotiated reduction or phased release, as a share of new work.

Retainage is the part of a contract that holds the profit and gets the least attention. Negotiating the release terms before signing, flowing it down deliberately, assembling the closeout package early and keeping every dollar on a list somebody reviews weekly turns a permanent drain on working capital into a predictable payment — usually without a single difficult conversation.

Find out how much of your profit is financing somebody else

Most contractors have never calculated retainage as a share of annual gross profit, or what carrying it costs in interest. Send us your open projects with retained amounts and dates, and we will put a number on it.

Frequently asked questions

Why is retainage so damaging to a contractor's cash?

Because it is not withheld evenly from revenue — it is withheld from the part of the contract that was going to be profit. On a $400,000 project at 12% gross margin, the margin is $48,000; at 10% retainage, $40,000 is held, which means 83% of the job's profit sits in someone else's account until closeout while you have already paid every sub, every supplier and every hour of labor. It also scales with volume: a company running $2M in retained-contract work at 10% is financing $200,000 for owners at any given moment, and doubling revenue doubles that. This is the mechanism by which a profitable, growing contractor runs out of money — not from losing money on jobs, but from funding everyone else's holdback out of working capital.

Can retainage terms be negotiated?

Far more often than contractors assume, especially with private owners. Five things are worth asking for. A lower percentage, with five instead of ten a common landing point — asking succeeds more often than not asking. Reduction at a milestone, such as dropping from 10% to 5% at 50% completion, which is standard in many contracts and rarely offered unprompted. Release by phase or trade, so your portion is released when your scope is complete and accepted rather than when the whole project closes, which matters enormously for early trades who otherwise wait a year to be paid for work finished in month two. A defined release condition — not upon final completion but a specific, checkable list. And a deadline with consequence, meaning a set number of days after the condition is met, with interest after that. Vague release language is what turns retainage from a delay into a dispute.

How do you actually collect retainage faster?

By treating it as paperwork rather than as a fight, because it is rarely refused outright — it is delayed until the contractor stops asking. Five habits do the work: close the punch list fast and get it signed, since an unresolved item worth a few hundred dollars routinely holds tens of thousands; assemble the closeout package before it is requested, including warranties, manuals, as-builts, lien waivers and affidavits, because retainage does not move until that folder is complete; invoice for it explicitly, since many contractors assume it releases automatically and nobody processes a payment that was never billed; track it as a receivable from day one with owner, amount, condition and expected date; and escalate on a schedule rather than waiting to be angry. In a documented case, these changes took average collection from 142 days to 61 and released about $156,000 of cash.

Should retainage be priced into the bid?

Yes, and it almost never is, which means contractors absorb the financing cost out of a margin that was already thin. The calculation is straightforward: take the expected retained amount, multiply by the months you expect to carry it, and apply your actual cost of money — a line of credit rate, or the return you would get deploying the cash elsewhere. On a $400,000 job with $40,000 retained for eight months at a 10% annual cost of capital, that is roughly $2,670 spent and never billed. Two legitimate ways to handle it: include it in the markup for contracts that carry retainage, which prices the reality without a conversation; or offer a discount for reduced retainage, quoting one price with 10% held and a slightly lower one if it is capped at 5%. What should not happen is bidding as though the money arrives with the final invoice.

What rights does a contractor have when retainage is withheld?

Several, and they are time-sensitive, which is what most companies discover too late. The mechanisms that commonly apply are mechanics lien rights, which carry strict notice and filing deadlines that vary by state and begin running from dates that are easy to miss; claims against a payment bond on bonded projects, which also carry deadlines; prompt payment statutes, which in many states impose interest and sometimes attorney fees; and the contract's own dispute resolution clause. Retainage itself is regulated differently by state and between public and private work — several states cap the percentage, some require reduction or release at substantial completion, and some require interest or escrow. None of it is uniform and none should be assumed. The practical protection is to know the deadlines for the states you work in before signing, and to calendar them at the start of the job.