Why Early Legal Review Matters In Construction Payment Disputes

Construction payment disputes often get worse when work continues, but invoices, change orders, retainage, or claims of defects are not resolved. Contractors may feel payment is overdue, while owners might argue the work is unfinished or does not meet the contract. Subcontractors and suppliers can get stuck between parties who disagree about who is responsible. Delaying action can lead to missed notices, lost lien rights, project delays, work stoppages, and costly lawsuits. I review these disputes early so my client can understand the contract, keep their options open, and avoid mistakes that could weaken their position.

The Contract Controls Many Payment Rights

The first step is to review the whole construction agreement, including any plans, specifications, payment schedules, change order rules, warranty terms, completion standards, and dispute procedures. You cannot judge a payment dispute just by looking at an unpaid invoice.

The contract may condition payment on completion of a project milestone, approval of a payment application, delivery of lien waivers, correction of defective work, or receipt of payment from another party. It may also contain strict notice provisions for delays, extra work, concealed site conditions, or disputed directives.

I check if everyone followed these rules. Verbal instructions, text messages, and unsigned change orders can cause confusion about whether extra work was approved and how much should be paid. Reviewing early helps document these issues before people forget details or leave the project.

Illinois Prompt Payment Rights May Apply

The Illinois Contractor Prompt Payment Act governs qualifying construction contracts and establishes payment requirements between owners, contractors, and subcontractors. If an owner finds that part of the work does not comply with the contract, 815 ILCS 603/5 permits withholding based on the reasonable value of that portion, while payment remains due for compliant work. The Act also generally requires contractors and subcontractors to pass along qualifying payments within 15 calendar days after receiving them.

Under 815 ILCS 603/15, an untimely payment may carry interest at 10 percent per year. A contractor or subcontractor may also have a statutory right to suspend performance after providing seven calendar days of written notice, subject to the Act and the particular facts.

Stopping work without satisfying contractual and statutory requirements can lead to a breach claim. I therefore examine whether suspension is legally available before advising a client to leave the project.

Retainage Must Be Reviewed Carefully

Retainage is often withheld to provide security that the work will be completed. However, Illinois law limits the amount that may be retained under construction contracts covered by the Contractor Prompt Payment Act.

Under 815 ILCS 603/20, a contract may permit retainage of up to 10 percent before the project reaches 50 percent completion. At 50 percent completion, the retained amount must be reduced so that no more than 5 percent remains, and later payments generally cannot be subject to retainage exceeding 5 percent.

There can be disagreements about whether the project is finished enough, if retainage has been reduced, or if extra money is being held back for claimed problems. Reviewing the situation early helps separate allowed retainage from other disputed amounts and shows if the contract supports the withholding.

Mechanics Lien Deadlines Cannot Be Ignored

The Illinois Mechanics Lien Act may provide contractors, subcontractors, and suppliers with a claim against improved private property when qualifying amounts remain unpaid. A mechanics lien is highly technical, and failing to satisfy a notice, recording, service, or enforcement requirement can jeopardize the claim.

For example, 770 ILCS 60/24 generally requires a subcontractor or qualifying supplier to provide written notice of its claim to the owner and, when known, the lending agency within 90 days after completing its work or delivering its final materials. A contractor working on an owner-occupied single-family residence must also provide the owner with written notice within 10 days after recording a lien, as required by 770 ILCS 60/7.

These rules change depending on your role and the type of property. I make sure to find the right deadline, since not everyone has the same lien rights.

Warranty And Defect Allegations Can Affect Payment

Owners often hold back payment because they say the work is defective, unfinished, or does not match the promised warranties. Contractors might reply that the problem is minor, was caused by another trade, or is not part of the agreed work.

I examine inspection reports, photographs, punch lists, warranty provisions, repair demands, schedules, and communications. Illinois law does not generally permit an owner covered by the Contractor Prompt Payment Act to withhold the entire balance merely because one portion is disputed. The Act allows withholding for the reasonable value of nonconforming work while requiring payment for work performed according to the contract.

A careful legal review can help decide if payment should be released, put in escrow, reduced by an agreed amount, or linked to certain repairs. Lien rights against public property differ from claims involving private construction. Contractors, subcontractors, and suppliers on public projects may need to examine payment bonds and statutory claims.

The Illinois Public Construction Bond Act requires qualifying public contracts to be supported by bonds conditioned on completion and payment for covered labor and materials. The statute also permits qualifying claimants to sue on the bond when amounts remain unpaid.

Bond claims have specific steps and deadlines that need quick attention. I review the bond, public contract, payment records, notices, and where the claimant is in the contract chain before deciding the best solution.

Speak With Our DuPage County Construction Law Attorneys Today

It is best to deal with construction payment disputes before unpaid balances, claims of defects, and project delays get more complicated. I help property owners, builders, contractors, subcontractors, and others review contracts, look at warranty and defect claims, protect lien or bond rights, and find practical payment solutions.

Keller Law Group, LLC works with construction clients in DuPage County, Chicago, and across Illinois. If your dispute involves unpaid invoices, change orders, retainage, claims of defective work, builder warranties, mechanics liens, or public project payment issues, getting legal advice early can help protect your interests. For legal advice tailored to your specific situation, contact our Naperville construction litigation attorneys at 630-868-3093.