Vehicle Law · Window Tint

Window Tint Laws in Illinois

The exact legal darkness allowed on every window of your vehicle in Illinois, plus reflection limits, the medical exemption, and what a ticket costs.

Official statuteRead word-for-word

against 625 ILCS 5/12‑503 · ilga.gov

Read from the official source · Jul 8, 2026How we verify →

Have a shade in mind? Check your film's VLT in the Illinois window tint checker →

Legal tint at a glance · Illinois

35% / 50%

minimum front VLT; which minimum applies depends on how dark the windows behind the driver are.

Front side windows35% or 50% (two options)

Back & rear windowsAny darkness

WindshieldTop 6 in, nonreflective

Max reflectionReflective film banned

Banned colorsNone specified

Medical exemptionAllowed

Penalty$50–$500 first (12-503(j))

Statute625 ILCS 5/12‑503

How dark you can legally go

Visible-light transmission (VLT) allowed for each window.

WindshieldTop strip only

Nonreflective film in the top 6 inches only

Front side windowsTwo options*

35%50%

* Illinois is a driver’s-choice scheme: EITHER keep every window behind the driver at ≥30% and the front sides at ≥50%, OR keep everything behind the driver at ≥35% and the front sides at ≥35%. A flat "35% front" is only half the law.

Back side windowsNo limit*

* No flat floor, the rear tint level selects the front-window option

Rear windowNo limit*

* Obscured rear window allowed with conforming dual mirrors (12-503(e))

0% (fully blacked out)100% (clear glass)

Common tint shades, and whether they're legal here

What the shop sells, mapped to the Illinois limit.

Film shade	Front option 1 (rear ≥30%)	Front option 2 (rear ≥35%)	Behind the driver
70% (light)	Legal	Legal	Legal
50%	Legal	Legal	Legal
35% (factory look)	Too dark	Legal	Legal
20%	Too dark	Too dark	Too dark
5% (limo)	Too dark	Too dark	Too dark

The two front columns are the two statutory options. A window darker than 35% behind the driver leaves no compliant front-window option; an obscured rear window itself is allowed with conforming dual side mirrors (12-503(e)). Law-enforcement meters observe a 5% variance.

Film is sold by its own VLT, but police measure the installed darkness: the film combined with your factory glass. Ask the shop for the net, as-installed VLT before you buy.

The full rules, with the statute

Every limit and where it comes from in the code.

Rule / window	Legal limit in Illinois	Statute
Windshield	Nonreflective tinted film only along the top, extending no more than 6 inches down	625 ILCS 5/12‑503(a)
Front side	Two options: (1) front sides ≥50% if no window behind the driver is below 30%; or (2) front sides ≥35% if no window behind the driver is below 35%. 5% metering variance.	625 ILCS 5/12‑503(a‑5)(1)–(2)
Back side	No flat floor, the rear-window tint level selects the front option (≥30% for Option 1, ≥35% for Option 2)	625 ILCS 5/12‑503(a‑5)
Rear window	No flat floor; an obscured rear window is compliant if the vehicle has conforming side mirrors on both sides	625 ILCS 5/12‑503(e)
SUV / van rear	No SUV/van class rule.	625 ILCS 5/12‑503(a‑5)(4)
Reflection	Reflective film banned (film must be nonreflective); no numeric percentage cap	625 ILCS 5/12‑503(a)
Banned colors	None specified in statute	625 ILCS 5/12‑503
Medical exemption	AllowedAvailable (details in the medical exemption section below).	625 ILCS 5/12‑503(g)
Meter tolerance	5% variance for law-enforcement metering	625 ILCS 5/12‑503(a‑5)(1)

Penalties & how it's enforced

What happens if your tint is too dark.

Offense & fine

First offense: petty offense, $50–$500. Second or subsequent: Class C misdemeanor, $100–$500 (the section sets its own range). Windows must be brought into compliance.

State inspection

Illinois has no periodic safety inspection for passenger cars, tint is enforced roadside.

Meter tolerance

5% variance for law-enforcement metering

Recent changes

P.A. 103-32 (effective 2024-01-01): No 2025–2026 change; current through P.A. 103-32.

The medical exemption: how to qualify

For drivers with a documented light-sensitivity condition.

Available?

Allowed

How it works

Administered by the Secretary of State: a physician-certified statement carried in the vehicle, renewed every 4 years, with a copy filed with the SoS; the vehicle displays a distinctive Window Tint license plate (§3-412(k)). Form VSD 704. Statutory conditions include lupus, disseminated superficial actinic porokeratosis, albinism, and TBI light-sensitivity; conditions treatable with sunglasses do not qualify.

Citation

625 ILCS 5/12‑503(g) · official source →

What Illinois drivers get wrong

Illinois does not have one front-window number; it has a trade-off. Go darker in back (down to 30%) and your front doors must stay at 50% or lighter; keep everything behind the driver at 35% or lighter and your front doors may go down to 35%. Police meters get a 5% grace, and repeat violations escalate from a petty offense to a Class C misdemeanor.

Common questions

Is 35% tint legal on front windows in Illinois?

Only under Option 2: every window behind the driver must then also stay at 35% or lighter (625 ILCS 5/12-503(a-5)(2)). If your rear windows sit between 30% and 35%, the front doors must instead carry at least 50%; below 30% in back, no front option remains.

Can my SUV have dark tint in the back in Illinois?

Illinois has no SUV exception. Aftermarket rear tint feeds the two-option rule; the special case is factory-installed tinted glass behind the driver, which lets the front doors carry ≥50% film ((a-5)(4)).

What is the fine for illegal tint in Illinois?

A first offense is a petty offense with a fine of $50–$500; a second or subsequent offense is a Class C misdemeanor fined $100–$500, and the court orders the windows brought into compliance (12-503(j)).

How does the Illinois medical tint exemption work?

An Illinois-licensed physician certifies a qualifying condition (e.g., lupus, albinism, DSAP, TBI light-sensitivity); the statement is carried in the car, filed with the Secretary of State (form VSD 704), renewed every 4 years, and the car displays a special Window Tint license plate.

Primary source

→ 625 ILCS 5/12-503

Official text · ilga.gov

Cholilurrohman
Every figure on this page is checked line-by-line against the current statute. Editorial standards →

Not legal advicePlainStatute provides plain-language summaries of public law for general information only. This is not legal advice. Statutes change; always confirm current requirements with the official source linked above before acting.

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