Louisiana Window Tint Laws (2026): Legal VLT Limits

Louisiana law requires front side windows on all vehicles, and back side windows on cars, to allow at least 25% of visible light through. The front side window minimum was lowered from 40% to 25% by 2025 Act 143 (effective August 1, 2025); the back side window minimum was already 25% before that change and was not affected by it. Rear windows on cars must allow at least 12% VLT; trucks, buses, trailers, motor homes, and multipurpose passenger vehicles such as SUVs and vans have no VLT floor on windows behind the driver under R.S. 32:361.1(D)(4).

What is the legal tint limit in Louisiana?

Louisiana's window tint rules are governed by La. R.S. 32:361.1. Before the details, one key concept: a higher VLT percentage means lighter tint, and a lower VLT percentage means darker tint. So 25% is fairly dark, and anything below that number on the front would be illegal.

As of August 1, 2025, the front side window minimum is 25% VLT on all vehicles. This was a significant relaxation from the prior 40% limit, which had been among the stricter standards in the South. On cars, the back side windows must also meet 25% VLT and the rear window at least 12% VLT; trucks, buses, trailers, motor homes, and multipurpose vehicles such as SUVs and vans have no VLT floor behind the driver under R.S. 32:361.1(D)(4).

Louisiana's front side window minimum applies to all vehicle types. For windows behind the driver, R.S. 32:361.1(D)(4) exempts trucks, buses, trailers, motor homes, and multipurpose passenger vehicles such as SUVs and vans from any VLT floor; only cars remain bound to the 25% back-side and 12% rear-window minimums.

2025 law change: what changed and when

Prior to August 1, 2025, Louisiana required front side windows to allow at least 40% of visible light through, while back side windows were already held to a 25% minimum and the rear window to a 12% minimum. That 40% front-side standard was one of the stricter front-window limits in the region.

2025 Act 143 (House Bill 119), which became law without the governor's signature and took effect August 1, 2025, lowered only the front side window minimum, from 40% to 25%, amending R.S. 32:361.1(C)(1). The back side window minimum (25%) and the rear window minimum (12%) were not changed by the new law. If your vehicle has front side tint applied before that date that measured between 25% and 39%, it is now fully legal under the updated standard. Tint at or below 24% on the front side windows remains non-compliant.

Windshield tint rules in Louisiana

Louisiana permits a tint strip on the top 5 inches of the windshield only. No tint of any kind is permitted in the main driving area below that strip. R.S. 32:361.1(C)(2) describes that strip as "a transparent material, not red or amber in color," so the color restriction is written into the windshield rule itself.

Luminous reflectance is capped at 20% on all windows. This bans mirrored or metallic-finish films that could reflect light toward other drivers or law enforcement. The reflectivity limit applies to every window, including the rear, not just the front.

The red and amber restriction reaches the windshield strip only. R.S. 32:361.1(C)(1), which governs the front side windows, the side windows behind the driver, and the rearmost windows, sets light transmission and luminous reflectance limits and states no color restriction at all. Film on those windows is judged on how much light it lets through and how much it reflects, not on its hue.

Medical and security exemptions

Louisiana has two separate statutory routes to tint darker than the standard limits: a medical exemption under R.S. 32:361.2 and a security exemption under R.S. 32:361.3. Neither one reaches the area below the top six inches of the windshield.

Medical exemption

Louisiana does allow a medical exemption for tint darker than the standard limits, but the process is more involved than a simple physician's letter. The authority is La. R.S. 32:361.2. The applicant needs an affidavit prepared by the office of state police (not a generic doctor's note), signed by a Louisiana-licensed optometrist or physician certifying a qualifying condition, such as lupus, photosensitivity, or another condition on the state's recognized list. The applicant must also sign a notarized release for relevant medical records and submit fingerprints for a state and federal criminal history check; a conviction for a violent crime or drug offense disqualifies the applicant.

If the exemption is granted, the Department of Public Safety and Corrections issues a decal for the vehicle, and R.S. 32:361.2(E) requires that decal be prominently displayed on the vehicle at all times, in addition to carrying a copy of the affidavit. Most exemptions are subject to review every three years, except an exemption for diagnosed light-sensitive porphyria, which is valid for as long as the person owns the vehicle.

If you cannot produce the affidavit or the decal is missing during a stop, you may receive a citation. Keep a copy of the affidavit in the vehicle at all times, and remember the exemption does not automatically transfer if the vehicle is sold; the new owner must remove the tint or obtain their own exemption.

Security exemption

The second route has nothing to do with a medical condition. Under La. R.S. 32:361.3(A), R.S. 32:361.1 does not apply to a vehicle registered in this state when the operator possesses an affidavit on a form issued by the Department of Public Safety and Corrections stating that valid security reasons make the darker material necessary. The affidavit must describe the vehicle and be kept inside it.

The screening mirrors the medical route: an applicant must give written consent on a form approved by the Louisiana Bureau of Criminal Identification and Information so the office of state police can verify that the applicant has not been convicted of a violent crime or a drug offense. R.S. 32:361.3(B) qualifies any vehicle owned, leased, operated, or otherwise controlled by a governmental or law enforcement agency to conduct official business automatically, with no application and no criminal history consent required. As with the medical exemption, R.S. 32:361.3(C) provides that a security exemption does not reach the area below the top six inches of the windshield.

How tint is measured and certified

Louisiana law enforcement uses a VLT meter to measure light transmission during traffic stops. The statute does not specify a published tolerance range, so installers generally recommend staying a few percentage points above the legal minimum as a buffer.

Louisiana requires an installer label of no more than 1.5 square inches, placed in the lower-right corner of the driver's window. The label identifies the installing dealer and confirms the film meets state requirements. Keep the label in place; its removal can raise questions about whether the film is compliant.

Ask your installer for a written receipt identifying the specific VLT of the film applied to each window. That documentation, kept in your glove box alongside the installer sticker, gives you a clear record if your tint is ever questioned.

Penalties for illegal tint in Louisiana

The penalty structure in Louisiana applies separately to operators and installers. For a vehicle operator, the fines are tiered: up to $150 for a first offense, up to $250 for a second, and up to $350 for a third or subsequent offense.

The commercial side faces considerably higher exposure, and it is a fixed schedule rather than a range a court sets case by case. Under R.S. 32:361.1(G), a seller, installer, manufacturer, or distributor who violates the section "shall be fined one thousand dollars for a first offense, two thousand dollars for a second offense, and shall be prohibited from conducting any business specified in this Section upon conviction for a third or subsequent offense."

That third-offense bar is the most serious consequence anywhere in the statute. It does not fine the shop, it ends the shop's ability to sell, install, manufacture, or distribute sun screening devices in Louisiana. The escalating structure reflects the legislature's intent to hold the tint industry accountable, not just drivers who may not have known their film was out of spec.

These fines apply to the darkness and color violations governed by La. R.S. 32:361.1. Medical exemption violations under La. R.S. 32:361.2 may be treated differently. If you have an exemption, producing that documentation can resolve a stop without a citation.

If you want to tint your windows in Louisiana

Under the current law (post August 1, 2025), you have meaningful flexibility. If you drive a car, any film at 25% VLT or lighter is compliant on the front side and back side windows, and 12% VLT is the floor on the rear window. If you drive a truck, bus, trailer, motor home, or multipurpose vehicle such as an SUV or van, R.S. 32:361.1(D)(4) removes the VLT floor entirely on windows behind the driver, so any darkness is compliant there. Many drivers choose 20% on the rear for maximum privacy while staying clearly within the law.

Choose a licensed Louisiana tint installer who will place the required compliance label in the lower-right corner of the driver's window. Ask for a written receipt listing the VLT on each window and store it in your vehicle.

Keep red and amber out of the windshield strip. That is the one place Louisiana restricts film color, and the restriction holds no matter how much light the material transmits. If you have a qualifying medical condition, see your physician before installation so you have the La. R.S. 32:361.2 exemption documentation in hand before you drive. If your need is security rather than medical, the R.S. 32:361.3 affidavit is the corresponding route.

If you have existing tint that was installed before August 1, 2025, check whether it was between 25% and 39% on the front side windows specifically. If so, it is now legal under the updated standard and no action is required. Back side window tint at 25% or higher was already compliant before the change.

This article is general legal information, not legal advice. Window tint limits vary by state and change, and enforcement depends on local practice and your specific vehicle. For a definitive answer, check your state DMV or consult a local attorney.

For the full national picture, see our Window Tint Laws by State hub. Louisiana drivers may also want to review Louisiana Windshield Mounting Restrictions for related vehicle equipment rules.

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