Charging interest on a lien is allowed when either a written contract between the parties provides for it or a statute specifically authorizes it. The rate, the date interest begins running, and the maximum allowed all depend on what kind of lien you hold and, for most non-federal liens, which state you’re in. Getting any of those details wrong can shrink what you eventually recover, and in some states it can wipe out the lien entirely.
Contract or Statute: Where the Right Comes From
Interest is never automatic. A lienholder needs one of two sources of authority.
The first is a written agreement. A construction contract, promissory note, or similar document often includes a clause saying interest accrues on any unpaid balance at a stated rate. When that unpaid balance becomes a lien, the contractual rate carries over and governs the calculation.
The second is a statute. If no contract exists, or the contract says nothing about interest, the lienholder falls back on state or federal law. Judgment liens, tax liens, mechanic’s liens, and HOA liens each have their own rules. Some statutes let you include interest in the lien amount from the day it’s filed. Others let you recover interest only after you sue to enforce the lien. That distinction matters. Building interest into the recorded lien amount when the statute doesn’t allow it exposes you to legal challenges from the property owner.
Federal Tax Liens
Federal tax liens carry interest by statute. When a taxpayer fails to pay after the IRS sends a demand, a lien automatically attaches to all of the taxpayer’s property, and it covers the tax, interest, penalties, and collection costs.1Office of the Law Revision Counsel. 26 U.S. Code 6321 – Lien for Taxes
Interest runs from the original payment due date until the balance is paid in full.2Office of the Law Revision Counsel. 26 USC 6601 – Interest on Underpayment, Nonpayment, or Extensions of Time for Payment, of Tax The rate is the federal short-term rate plus three percentage points, adjusted quarterly. For the first quarter of 2026, the rate is 7 percent per year, compounded daily.3Internal Revenue Service. Interest Rates Remain the Same for the First Quarter of 2026 Starting in the second quarter of 2026, it drops to 6 percent.4Internal Revenue Service. Internal Revenue Bulletin 2026-8 Failure-to-pay penalties also run alongside the interest, so a tax lien balance grows on two tracks.5Internal Revenue Service. Topic No. 653, IRS Notices and Bills, Penalties and Interest Charges
Judgment Liens
A money judgment recorded as a lien accrues interest from the date the court entered the judgment. The rate depends on which court entered it.
Federal Court Judgments
Post-judgment interest on federal court judgments is set by one statute. The rate equals the weekly average one-year constant maturity Treasury yield published by the Federal Reserve for the week before the judgment date.6Office of the Law Revision Counsel. 28 USC 1961 – Interest That rate locks in at the moment of judgment and stays fixed regardless of later market moves. It compounds annually and runs until the judgment is paid.
State Court Judgments
State courts follow their own statutory rates, and the variation is wide. Some states fix a flat percentage. Others tie the rate to a benchmark like the prime rate or a Treasury yield. Statutory post-judgment rates across the country generally fall between 2 and 9 percent, depending on the state and sometimes on the type of debt underlying the judgment. Some states also treat contract-based judgments differently from tort judgments, letting the contractual interest rate carry through in the first case while applying the statutory rate in the second.
Mechanic’s Liens
Whether a contractor, subcontractor, or supplier can add interest to a mechanic’s lien depends heavily on the state and on whether a contract addresses it.
If the construction contract sets an interest rate for late payments, that rate typically governs. Without a contractual rate, the mechanic’s lien statute controls. Some states allow interest to be built into the lien claim from the recording date. Others take a narrower view: the lien itself covers only the principal owed for labor and materials, and interest can be recovered only in a separate foreclosure suit. Statutory rates for mechanic’s liens roughly range from 7 to 18 percent depending on the state.
The start date for interest also varies. Depending on the statute, it may begin on the date payment was originally due under the contract, the date the last work was performed, or the date the lien was recorded with the county. Picking the most favorable date without checking the statute is how contractors end up with overstated liens.
HOA and Assessment Liens
Interest and late fees on HOA liens come from a combination of the association’s governing documents, usually the CC&Rs or bylaws, and state statute. Most states that regulate HOAs cap both the interest rate and the size of late charges. If the governing documents set a lower rate, the lower number applies.
Because the numbers come from the association’s own rules, a homeowner facing an HOA lien is entitled to a detailed accounting that separates principal from interest, late fees, and collection costs. Those extras add up quickly and may be negotiable if the association didn’t follow its own procedures or the state’s collection requirements.
Usury Caps and the Cost of Overcharging
Every state has usury laws that cap the interest a creditor can charge, but the specifics differ enormously. There is no single federal usury limit for consumer debts. Some states set a fixed ceiling across most obligations. Others tie their cap to a benchmark rate plus a set number of points. For most lienholders, the practical question is whether the state’s general usury cap or a lien-specific statute sets the applicable ceiling.
Overcharging carries real consequences, especially for mechanic’s liens. Courts in many states treat an inflated lien as an “excessive lien.” Some states simply reduce the lien to the correct amount. Others invalidate the entire lien, including the part that was legitimately owed. The harshest jurisdictions also make the lienholder liable for the property owner’s attorney’s fees and costs. The safer approach is to limit the recorded lien to the principal owed for work and materials and then pursue interest through a foreclosure lawsuit if the statute allows it.
Payoff and Release Once Interest Is Paid
When a lien is paid off, the payoff figure is the principal plus accrued interest through a specific date. The lienholder calculates that figure and provides it in a formal payoff statement.
For federal tax liens, the taxpayer can request the payoff amount from the IRS Centralized Lien Operation or through an online account.7Internal Revenue Service. Publication 1450 – Instructions for Requesting a Certificate of Release of Federal Tax Lien Once the full liability, including interest and penalties, is satisfied, the IRS must issue a certificate of release within 30 days.8Office of the Law Revision Counsel. 26 USC 6325 – Release of Lien or Discharge of Property If a home is being sold for less than the lien amount, the taxpayer can ask the IRS to discharge the lien so the sale can proceed.9Internal Revenue Service. What if There Is a Federal Tax Lien on My Home
For private liens, the holder is similarly obligated to file a release or satisfaction once paid in full. Deadlines vary by state, typically running between 15 and 60 days. A lienholder who refuses or delays filing after receiving full payment can face statutory penalties, and the property owner can often petition the court to remove the lien and recover damages for the delay.