Negotiating Construction Payment Terms: Net-30, Net-60, and the Leverage Points
Payment terms look like boilerplate. They are a single line in a contract — net-30, net-60, 2/10 net-30 — and they get far less attention than scope, price, and schedule. That is a mistake. Payment terms are a financing decision, and in construction, where margins are thin and the gap between paying for work and getting paid for it can run for months, the financing terms baked into your contracts move real money. Every day of payment terms is a day one party finances the other.
A contractor sits in the middle of this. You negotiate terms downstream with subcontractors and suppliers, and you negotiate terms upstream with owners. The terms you accept on one side and impose on the other determine whether your business funds itself out of its own cash flow or out of a line of credit. Understanding what each common term actually costs — and where you have leverage to change it — is one of the more direct ways a contractor can improve its financial position without selling another job.
Start with the core idea: payment terms are interest-free financing extended by the seller to the buyer. When a supplier ships materials on net-60, that supplier is lending the contractor the value of those materials for sixty days at zero stated interest. The cost is not zero — it has just been moved off the invoice. The supplier carries the receivable, funds it from their own capital or their own credit line, and prices that carrying cost into the quote. Longer terms do not make the cost disappear; they bury it in the unit price.
For the buyer, the benefit is equally real. Days of payment terms are days the buyer holds cash that would otherwise be tied up in the project. In construction that matters enormously, because a contractor is constantly laying out money — for labor, materials, equipment — well before the corresponding draw is collected from the owner. The closer your payable terms come to matching your receivable timing, the less of that gap you have to finance yourself. The whole game is the relationship between when you pay and when you get paid.
Roughly 0 days
Typical days-sales-outstanding for construction firms — among the longest collection cycles of any major industry (CFMA financial benchmarking)
The three common term lengths are not just bigger and smaller numbers. They sit at different points on a trade-off between the buyer's cash position and the seller's willingness and pricing.
Net-30 is the default and the fairest middle ground. It gives the buyer a month of float and the seller a predictable, reasonably short wait. Most material suppliers quote net-30 as standard, and most subcontractors expect something close to it. Net-30 rarely carries a price premium because it is the baseline everyone prices around — which is also why pushing a supplier from net-30 to net-60 usually does cost something, even if it is not stated.
Net-60 doubles the buyer's float and is increasingly common on larger accounts, where a contractor with volume and good credit can ask for it. The cost shows up in one of two places: a higher unit price, or a tighter, less flexible supplier relationship — the supplier who waits sixty days for payment is less inclined to expedite an order, hold a price, or extend extra credit when you need it. Net-60 is a reasonable ask for a high-volume buyer; it is an expensive ask for a small one.
Net-90 is aggressive. It can make sense for a large contractor managing a long, slow-collecting project, but it strains the seller hard — a small subcontractor or supplier may simply not be able to carry a ninety-day receivable without their own borrowing, and they will either decline, price it in heavily, or take the job and then struggle. Net-90 imposed on undercapitalized subs is a frequent root cause of subcontractor cash distress and mid-project defaults, which is a cost that lands right back on the contractor who imposed the terms.
Long terms imposed on an undercapitalized subcontractor do not eliminate the financing cost — they transfer it to the party least able to absorb it, and then hand it back to you as schedule risk and default risk. The cheapest-looking terms are not always the cheapest terms.
Negotiating leverage comes from being a customer the other side wants to keep. A contractor's leverage points are concrete.
Where a contractor has real negotiating leverage:
- Volume — a supplier you buy from across many projects will extend terms to protect the relationship that a one-job buyer cannot get
- Payment reliability — a contractor who always pays exactly on the agreed day earns longer terms more easily than one who pays late, because predictability lowers the seller's carrying risk
- Creditworthiness — clean financials, a strong balance sheet, and a good trade-payment history are what a supplier's credit department actually evaluates when deciding terms
- Order timing and consolidation — committing to a supplier early in a project, or consolidating spend rather than spreading it, is worth a term concession
- A willingness to trade — offering something in return (a deposit, a shorter term on part of the order, a longer-term commitment) gets further than asking for terms for nothing
Be realistic about what is not negotiable. A small supplier operating on thin working capital genuinely cannot fund net-90, and pushing them there either fails or quietly raises your price. The negotiable range with most trade partners runs from net-30 to net-60; net-90 is the exception, available mainly to large, well-capitalized buyers with leverage a typical contractor does not have.
Every extra day of payable terms improves your cash flow and costs you something in the relationship. That trade is the heart of payment-term strategy, and ignoring either side of it is a mistake.
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Push terms too hard and the relationship degrades in ways that do not show up on an invoice. The supplier who is squeezed on terms is slower to expedite, quicker to put you on credit hold when a payment slips, less willing to hold a price in a rising market, and first to deprioritize you when material is tight. In construction, where you depend on the same trade partners project after project and where a late delivery can stall a crew, those soft costs are frequently larger than the float you gained. The best-run contractors treat key suppliers and key subs as partners they want functioning and solvent — because a sub who goes under mid-project is the most expensive outcome on the board.
The other failure mode is leaving cash on the table by never negotiating at all — accepting whatever terms are quoted and financing the gap on a line of credit you are paying real interest on. The discipline is to negotiate deliberately: push where you have leverage and the relationship can absorb it, hold standard terms where the partner is critical and undercapitalized, and know which is which.
Term length is not the only variable. The early-payment discount — classically 2/10 net-30, meaning a 2% discount if paid within ten days instead of thirty — is a second lever, and it reframes the negotiation usefully. Instead of arguing only about how long the term is, you can introduce a discount: the seller gets paid faster, the buyer gets a price reduction, and both sides may prefer it to a longer term that benefits only one of them.
Understand the math before you offer or accept one. A 2% discount for paying twenty days early is an annualized return well above 30% — which makes capturing offered discounts one of the highest-yield uses of cash a contractor with the liquidity to pay early can find. The flip side: if you are the one offering a discount to a customer to accelerate your own collections, you are effectively borrowing at that same steep rate, so offer it only when accelerating cash is genuinely worth more to you than the margin you give up. Early-pay discounts are a strong negotiating instrument; they are also expensive financing when you are on the wrong side of them.
Capturing an early-pay discount only works if your AP process is fast enough to actually pay inside the discount window — a 2/10 discount is worthless if invoices sit ten days in approvals. This is where AP automation pays for itself: a platform like Covinly that moves invoices through coding and approval quickly turns offered discounts into discounts you can realistically capture.
Construction has its own payment-term mechanism with no real equivalent in other industries: contingent payment clauses. A pay-when-paid clause makes the contractor's obligation to pay a subcontractor depend on the contractor first receiving payment from the owner — generally treated as a timing provision, delaying but not erasing the obligation. A pay-if-paid clause goes further, making the owner's payment a true condition precedent: if the owner never pays, the contractor's obligation to that sub may be extinguished entirely. Pay-if-paid shifts owner-default risk all the way down to the subcontractor, and its enforceability varies significantly by state, with several jurisdictions limiting or voiding it.
For a contractor, these clauses interact directly with the net terms you negotiate. A subcontract that says net-30 but also contains a pay-if-paid clause does not really promise payment in thirty days — it promises payment in thirty days only if the owner has paid, which can stretch the effective term indefinitely. Subcontractors increasingly read these clauses closely and price the risk, and a contractor who relies on aggressive contingent-payment language as a substitute for sound cash management may find it either unenforceable or quietly priced into every subcontract bid. Treat contingent-payment clauses as a serious risk-allocation term, negotiated openly, not as fine print.
Finally, do not negotiate supplier terms and subcontractor terms as if they were the same thing. They are different relationships with different dynamics.
Material suppliers typically work on standardized credit terms set by a credit department, evaluated on your trade history and financials, and consistent across customers in your tier. The negotiation there is relatively clean — volume, payment reliability, and credit standing move the number, and an early-pay discount is a familiar instrument. Subcontractor terms are governed by the subcontract and are entangled with retainage, lien-waiver exchange, pay-application cycles, and contingent-payment clauses. A subcontractor's effective payment timing is the combined product of the net term, the retainage held back, the pay-app schedule, and any pay-when-paid or pay-if-paid language — and a sub who is squeezed on the full stack is a sub at risk of running out of cash on your job. Negotiate supplier terms as a credit relationship; negotiate subcontractor terms as a risk-sharing relationship with a partner whose solvency you have a direct stake in.
“We used to chase the longest terms we could get on every contract and call it cash management. What actually moved the needle was paying our best subs and suppliers exactly on the day we promised, every time. That reliability bought us better terms and better service than any clause we ever pushed across the table.”
— Project executive, regional general contractor
Payment terms are interest-free financing, and a contractor should negotiate them as deliberately as price. Know what net-30, net-60, and net-90 cost each side, push for longer terms where your volume, credit, and payment reliability give you genuine leverage, and use early-pay discounts as a lever in both directions with the math in front of you. Treat contingent-payment clauses as real risk allocation, not fine print, and negotiate supplier terms and subcontractor terms as the different relationships they are. The contractor who manages payment terms thoughtfully — protecting key relationships while improving the gap between paying and getting paid — strengthens the business without winning a single additional job.
Written by
Marcus Reyes
Construction Industry Lead
Spent twelve years running AP at a $120M general contractor before joining Covinly. Lives in the world of AIA G702/G703, retainage schedules, and lien waiver deadlines. Writes about the construction-specific workflows that generic AP tools get wrong.
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