Illinois Law Prohibits Excessive Retainage

Steven A. Migala and Roman Perchyts • October 30, 2019

It is now illegal in Illinois to withhold retainage of more than 10% in relation to any construction contract. Moreover, once the project is more than 50% complete, the retainage is capped by law to not more than 5%. The 10% maximum limit imposed by the new law codifies what has been a standard rate in the construction industry for retainage. What may be a bigger adjustment in the industry is the requirement to reduce retainage to no more than 5% after the contract is half-complete. This change was introduced by the amendment to the Contractor Prompt Payment Act (815 ILCS 603) (the “Act”) recently signed into law by Governor Pritzker. The Act applies to all construction contracts other than those that are publicly funded or related to the construction of single-family or multiple-family residences with 12 or fewer units. In other words, the amendment will affect all private commercial construction projects.

It is important to note that though this amendment took effect immediately upon signing, it only applies to contracts entered into after the Act’s effective date, August 20, 2019. A developer under an agreement, which was effective prior to August 20, 2019, will not be required to reduce retainage in excess of 10% or 5% to meet the relevant limit. Additionally, the amendment applies to agreements between general contractors and subcontractors the same way it does to agreements between developers and general contractors. Therefore, even if a general contractor remains subject to a higher retainage rate fixed by a contract with the developer that existed prior August 20, 2019, it would be illegal for such contractor to pass down the higher rates to its subcontractors retained after August 20, 2019.

Retainage agreements are no longer a matter of industry custom and contractual freedom, but are now regulated by statute. If you have any questions about whether a retainage agreement complies with the new law, or have any questions or other inquiries about construction contracts in general, seek the legal advice of an attorney.

Should you wish to discuss any legal issues related to construction contracts, please contact attorney Steven Migala at (847) 705-7555 or smigala@lavellelaw.com , or attorney Roman Perchyts at (224) 836-6192 or rperchyts@lavellelaw.com.


This article is provided for informational purposes only and does not constitute legal advice. You should not rely on the information contained in this article without first consulting a licensed attorney.

More News & Resources

Lavelle Law News and Events

The most common commercial lease types and how they impact both parties.
By Theodore M. McGinn June 13, 2025
Other than payroll costs, there is generally no other larger ongoing cost that a business pays than its commercial lease obligation. Moreover, often the term for a typical commercial lease will extend far into the life of any business. Finally, there are a multitude of ways in which a poorly drafted lease can cause a business to incur significant unforeseen costs. Accordingly, it is critical that every business devotes the necessary resources, including the use of an experienced lawyer, to negotiate a fair lease.
IRS Issues Statistics on its 2024 Operations
By Timothy M. Hughes June 10, 2025
A recent press release by the IRS addressed the Fiscal Year (“FY”) 2024 (Oct. 1, 2023 – Sept. 30, 2024) Data Book, describing the Agency’s activities. For the first time, revenue collected exceeded 5 trillion dollars, accounting for 96% of total government revenue. The IRS’s expenditures to collect over $5 trillion were $18.2 billion for overall operations in FY 2024, with 90,516 full-time equivalent employees.
When should you prepare, review, or update estate plan documents?
By Jackie R. Luthringshausen June 2, 2025
As life changes, it is important to recognize major life events when it is pertinent to prepare, review, or update estate plan documents. Whether you recently got married, just had a baby, bought a house, went through a divorce, have an adult child, or are acquiring assets that may need tax planning provisions, be proactive and make sure the proper estate plan documents are in place.
Learn key strategies and legal tools to protect your business and avoid litigation.
By Lavelle Law May 27, 2025
Key strategies and tools to protect business assets were the topics of Lavelle Law’s Breakfast Briefs presentation on May 21, 2025. Attorneys Matt Sheahin and Jennifer Tee presented important legal strategies for business owners as well as business and office managers, business brokers, and insurance professionals. Topics included Non-Compete Agreements, Shielding Trade Secrets, Nuances of Temporary Restraining Orders (TROs), Injunctive Relief, Contracts, and Managing Risks.
Employment Law Success Story
By Employment Law May 23, 2025
Our client contacted us for advice regarding the termination of a long-time employee who was failing to meet performance standards. Our client already provided several accommodations for this employee, but they still were not meeting the mark.
Every adult should have an estate plan in Illinois.
By Heather A. McCollum May 22, 2025
When people hear “estate planning,” they often picture wealthy individuals with sprawling mansions and complex assets. But the truth is, everyone — regardless of income, age, or family size — can benefit from having an estate plan.
IRS Whistleblower Office Releases Operating Plan Outlining Integrated Approach to Advance Program
By Timothy M. Hughes May 10, 2025
The Internal Revenue Service recently issued a press release addressing the IRS Whistleblower Office’s publishing its first-ever multi-year operating plan that outlines its guiding principles, strategic priorities, recent achievements, and current initiatives to advance the IRS Whistleblower Program.
The Junk Fee Ban Act and pricing transparency legislation.
By Sarah J. Reusché and Jacob Rotolo April 23, 2025
If enacted, the Junk Fee Ban Act would protect consumers from hidden fees and promote fair business practices in Illinois. While there has yet to be legislation in the proposed Junk Fee Ban Act that excludes dealerships, it will be important to look for future updates on this bill, as Illinois is quickly becoming a hub for vehicle innovation and automotive plant expansion.
Ancillary probate is required when a person dies owning real estate outside of their home state.
By Heather A. McCollum April 21, 2025
When someone passes away owning property in another state, their estate may need to go through ancillary probate—a secondary court process in that state.
$9.9 Million Dollar Purchase of Packaged Multi-Unit Properties
By Commercial Real Estate April 18, 2025
Lavelle Law represented a joint venture in its $9.9 million acquisition of four multi-unit buildings.
More Posts