Window Tint Laws by State.

How tint laws work

Every state regulates automotive window tint along the same four dimensions, with different numbers in each:

• Front side windows. The driver and front passenger windows. This is the most-regulated pane — police visibility into the cabin matters here. Most states cap at 25%–50% VLT.
• Rear side windows. Behind-the-driver windows on a 4-door. Many states allow “any darkness” or permit much darker than front sides.
• Rear window. The back glass. Same trend — usually more permissive than front sides.
• Windshield. Almost universally restricted to a small non-reflective strip across the top (the “AS-1 strip”), typically 4–6 inches deep. Some states permit full ceramic-clear film at 70%+ VLT on the windshield.

Three additional dimensions some states regulate:

• Reflectivity cap. Mirror-finish or highly-reflective film is illegal almost everywhere. Most states cap at 25%–35% reflectivity.
• Medical exemptions. Every state grants exemptions for documented medical conditions — usually allowing significantly darker VLT than the standard limit.
• Commercial vehicle distinctions. Many states have separate (often more permissive) rules for commercial trucks, vans, RVs, and multi-purpose vehicles.

Disclaimer: tint laws change. This guide is current as of 2026 but you should always confirm with your local Polar Tint or state DMV before booking an install.

The 50-state VLT table

Front side / Rear side / Rear / Windshield / Medical exemption availability.

State	Front sides	Rear sides	Rear	Windshield	Medical
Alabama	32%	32%	32%	AS-1 strip	Yes
Alaska	70%	40%	40%	AS-1 strip	Yes
Arizona	33%	Any	Any	AS-1 strip	Yes
Arkansas	25%	25%	10%	AS-1 strip	Yes
California	70%	Any	Any	4-inch strip	Yes
Colorado	27%	27%	Any	AS-1 strip	Yes
Connecticut	35%	35%	Any	AS-1 strip	Yes
Delaware	70%	Any	Any	AS-1 strip	Yes
Florida	28%	15%	15%	AS-1 strip	Yes
Georgia	32%	32%	32%	6 inches	Yes
Hawaii	35%	35%	35%	4 inches	Yes
Idaho	35%	20%	20%	AS-1 strip	Yes
Illinois	35%	35%	35%	6 inches	Yes
Indiana	30%	30%	30%	AS-1 strip	Yes
Iowa	70%	Any	Any	AS-1 strip	Yes
Kansas	35%	35%	35%	AS-1 strip	Yes
Kentucky	35%	18%	18%	AS-1 strip	Yes
Louisiana	40%	25%	12%	AS-1 strip	Yes
Maine	35%	Any	Any	AS-1 strip	Yes
Maryland	35%	35%	35%	5 inches	Yes
Massachusetts	35%	35%	35%	6 inches	Yes
Michigan	4-in strip only	Any	Any	AS-1 strip	Yes
Minnesota	50%	50%	50%	AS-1 strip	Yes
Mississippi	28%	28%	28%	AS-1 strip	Yes
Missouri	35%	Any	Any	AS-1 strip	Yes
Montana	24%	14%	14%	AS-1 strip	Yes
Nebraska	35%	20%	20%	5 inches	Yes
Nevada	35%	Any	Any	AS-1 strip	Yes
New Hampshire	70%	35%	35%	6 inches	Yes
New Jersey	Front illegal	Any	Any	AS-1 strip	Yes
New Mexico	20%	20%	20%	5 inches	Yes
New York	70%	70%	Any	6 inches	Yes
North Carolina	35%	35%	35%	AS-1 strip	Yes
North Dakota	50%	Any	Any	70%	Yes
Ohio	50%	Any	Any	AS-1 strip	Yes
Oklahoma	25%	25%	25%	5 inches	Yes
Oregon	35%	35%	35%	6 inches	Yes
Pennsylvania	70%	70%	70%	AS-1 strip	Yes
Rhode Island	70%	70%	70%	6 inches	Yes
South Carolina	27%	27%	27%	AS-1 strip	Yes
South Dakota	35%	20%	20%	AS-1 strip	Yes
Tennessee	35%	35%	35%	AS-1 strip	Yes
Texas	25%	Any	Any	5 inches	Yes
Utah	43%	Any	Any	AS-1 strip	Yes
Vermont	70%	Any	Any	AS-1 strip	Yes
Virginia	50%	35%	35%	AS-1 strip	Yes
Washington	24%	24%	24%	6 inches	Yes
West Virginia	35%	35%	35%	5 inches	Yes
Wisconsin	50%	35%	35%	AS-1 strip	Yes
Wyoming	28%	28%	28%	5 inches	Yes

AS-1 strip: The thin band across the top of the windshield, marked on the inside of the glass by an “AS-1” designation. Width varies by manufacturer but is typically 4–6 inches deep.

Sun Belt deep dive

The hot-climate states — AZ, NV, TX, FL, southern CA — are where heat-driven tint demand is highest. Three of the four (AZ, NV, TX) permit unlimited darkness on rear glass, which lets Sun Belt drivers maximize heat rejection where it matters. California is the outlier with the strictest front-side rule in the country (70% VLT) but unlimited rear darkness.

Florida runs 28% VLT on the front sides and 15% on the rear sides and back glass. For a city-level breakdown, see our Florida window tint law guide for Coral Springs drivers.

The Sun Belt pairing strategy: 70% VLT (any grade) on the windshield for UV/IR without darkening, Ceramic Ultimate Plus at the legal cap on front sides, Ceramic Ultimate Plus or Ceramic Plus (Better) at the darkest legal VLT on rear sides and back glass.

Strictest vs most permissive states

Strictest: New Jersey is the only state where any front-side tint is illegal at all. California, New York, Pennsylvania, Rhode Island, Vermont, and Delaware all require 70%+ VLT on front sides — essentially clear film. Michigan permits only a 4-inch strip on the fronts; the rest of the window must be uncovered glass.

Most permissive: New Mexico, Mississippi, and Wyoming all allow under 30% VLT on all four windows. Arizona, Nevada, Texas, Florida, Utah, and Maine allow unlimited rear darkness with relatively forgiving front-side caps (25%–43%).

Windshield rules

Every state regulates the windshield separately and almost universally restricts non-clear film. The most common rule: a 4–6 inch strip across the top of the glass at any VLT, with the rest of the windshield clear. A few states (ND, parts of NY) allow full-windshield film at 70% VLT or higher. Polar Tint 70% VLT is the right pick where full-windshield film is legal — UV and IR protection without darkening the driver’s view.

What happens if you exceed the legal VLT

Consequences scale from minor to serious depending on the state:

• Fix-it ticket (correctable violation): Most common outcome. You have 30 days (typically) to remove or replace the illegal tint and bring proof to a court or police station for verification. Often the fine is waived on correction.
• Standard moving-violation fine: amount varies by state; repeat violations escalate.
• Inspection failure: In states with annual safety/emissions inspection, illegal tint fails the check and blocks registration renewal until corrected.
• Probable cause for stops: Visible illegal tint is probable cause in most states — police can pull you over for the tint alone, even without another violation.

How Polar Tint handles this

Every Polar Tint location knows the law in its state and the immediate neighboring states. When you book, the shop confirms the legal limit, walks you through your options, installs the look you want, and provides an install receipt that documents the VLT for inspection or law-enforcement encounters.

If you arrive with a fix-it ticket, bring it to your local Polar Tint — we’ll bring the install into compliance and document it for the verifying officer.

Medical exemptions

Every state allows darker-than-legal tint with documented medical justification. Common qualifying conditions:

• Lupus (UV-induced systemic flare)
• Photosensitive porphyria
• Severe photophobia (often post-concussion or post-eye-surgery)
• History of melanoma or recurrent skin cancer
• Documented severe migraine triggered by direct light

Each state has its own application form, generally requiring a licensed physician’s diagnosis letter. Approval times range from 2 to 8 weeks. Your local Polar Tint can point you to your state’s form and install the exempted VLT once approval is in hand.

FAQs

Do tint laws apply to factory-tinted glass?+

Factory tint is in the glass and is exempt from aftermarket-film VLT laws (the state regulated darkness of added film). However, if you add film on top of factory tint, the combined VLT must comply.

Can I use my home-state tint legally if I drive into a stricter state?+

Generally yes — your vehicle complies with the laws of the state it’s registered in. Long-term moves into stricter states require bringing the tint into local compliance.

Are commercial vehicles allowed darker tint?+

In many states, yes. Commercial trucks, vans, RVs, and multi-purpose vehicles often have more permissive rear-glass rules. Bring your vehicle registration class to the quote.

Do tint laws apply at night or only during the day?+

VLT is measured as a static property of the film, not time-of-day visibility. Illegal tint is illegal 24/7.

What if I want to change my tint after install?+

Polar Tint walks you through your state’s legal VLT before install so you know exactly where the line is. If you later want to adjust your tint for any reason, the Polar Tint Promise covers a re-do at the grade you choose.

Will police actually measure my tint?+

In states with tint enforcement, yes — officers carry handheld VLT meters that test the glass on the spot. Borderline-legal tint can pass or fail depending on meter calibration.

Are tint laws stricter for new drivers or teens?+

No state singles out drivers by age for tint compliance. The VLT cap applies to the vehicle, not the driver.

Can my insurance company deny a claim because of illegal tint?+

In rare cases, illegal vehicle modifications can complicate claims — though tint is unlikely to be a primary denial reason. Keep your install receipt to document the legal VLT at install.

Does the law differ for SUVs and trucks vs sedans?+

Most states treat SUVs and trucks identically to passenger cars for tint VLT — though some apply commercial-vehicle rules to certain pickups. Confirm with your local Polar Tint.

Is the Lifetime Polar Tint Promise valid if I’m later cited for illegal tint?+

If Polar Tint installed it, it’s legal in your state at install time. State law changes are outside the warranty, but Polar Tint will assist in bringing the install into compliance at preferential pricing for existing customers.