Most U.S. states place a cap on how reflective aftermarket tint can be — usually 20% or 25%. A film can meet your state VLT rule and still fail inspection if it is too reflective. This guide explains what reflectivity means, how it is measured, and where the caps are.
Why states cap reflectivity
Reflective tint can act as a one-way mirror, bouncing sunlight or headlights into oncoming drivers’ eyes and making it harder for police and emergency responders to see into the cabin. States cap reflectivity to prevent both hazards.
Reflectivity is expressed as a percentage of light that bounces off the window. A window at 20% reflectivity bounces 20% of incoming light back; the remaining 80% is either absorbed or transmitted.
Typical state reflectivity caps
- 20% cap — common strict-state ceiling. Examples: California, New York, Pennsylvania, New Jersey.
- 25% cap — moderate ceiling. Examples: Illinois, Texas (front side only), Virginia.
- 35% cap — lenient ceiling. Examples: some Southern and Mountain West states.
- No statutory cap — a minority of states have no numeric reflectivity rule, relying on a general "non-reflective" requirement.
Film technologies and reflectivity
Metallic films are the most likely to exceed reflectivity caps. Modern ceramic and carbon films typically measure 6–10% reflectivity, well under every state cap.
When buying film, look for the exterior reflectivity value on the spec sheet. If the number is missing, ask for the datasheet before letting the installer proceed.
How reflectivity is tested
Officers use a separate reflectometer, not a standard tint meter. The device bounces a beam of light off the glass and measures what returns. Reflectometer readings are less common in routine traffic stops than VLT readings.
Reflectivity in depth: what you need for every state
Reflectivity vs. mirror finish: two different tests
State statutes use two distinct approaches to reflectivity:
- Numeric cap (California 35%, New York 20%, Pennsylvania 20%, New Jersey 20%, most Eastern states) — the film’s external reflectance must measure below the numeric threshold on a reflectometer.
- "Non-reflective" language (Florida, Ohio, Virginia, Georgia, many Southern states) — no numeric threshold; enforcement is by officer judgment of whether the window looks mirrored.
- No statutory cap (a handful of lenient states) — reflectivity is effectively unregulated but still subject to broader "no obstruction" statutes.
Typical reflectivity by film technology
| Technology | External reflectance | Passes 20% cap? | Passes 35% cap? |
|---|---|---|---|
| Clear factory glass | ~8% | Yes | Yes |
| Dyed film | ~7–10% | Yes | Yes |
| Carbon film | ~6–9% | Yes | Yes |
| Ceramic / nano-ceramic | ~7–12% | Yes | Yes |
| Sputtered metallic | ~15–30% | Risky | Usually |
| Legacy metallic film | ~30–45% | No | Often no |
| Mirror / "chrome" film | ~40–60% | No | No |
How to confirm compliance before install
- Request the film datasheet from your installer. It must list "exterior reflectance" or "VLR." If only interior reflectance is listed, ask for exterior too.
- Check the number against your state cap. Add a 1–2% safety margin for installation drift.
- Confirm "non-reflective" states with the installer. Even without a numeric cap, a visibly mirrored film fails officer judgment.
- Avoid all metallic films in strict states. Modern ceramic outperforms metallic on heat rejection with zero reflectivity penalty.
Quick lookup for every U.S. state
Use the table below to jump straight to any state’s tint law page. Front side VLT is the most-cited number and is shown for sedans. Deep-link into any state for the full rule, SUV differences, windshield rule, medical exemption, and the statute citation.
| State | Front side VLT | Back side VLT | Rear VLT | Medical |
|---|---|---|---|---|
| Alabama | 32% VLT or higher | 32% VLT or higher | 32% VLT or higher | Yes |
| Alaska | 70% VLT or higher | 40% VLT or higher | 40% VLT or higher | Yes |
| Arizona | 33% VLT or higher | Any VLT allowed | Any VLT allowed | Yes |
| Arkansas | 25% VLT or higher | 25% VLT or higher | 10% VLT or higher | Yes |
| California | 70% VLT or higher | Any VLT allowed | Any VLT allowed | Yes |
| Colorado | 27% VLT or higher | 27% VLT or higher | 27% VLT or higher | Yes |
| Connecticut | 35% VLT or higher | 35% VLT or higher | Any VLT allowed | Yes |
| Delaware | 70% VLT or higher | 70% VLT or higher | 70% VLT or higher | Yes |
| Florida | 28% VLT or higher | 15% VLT or higher | 15% VLT or higher | Yes |
| Georgia | 32% VLT or higher | 32% VLT or higher | 32% VLT or higher | Yes |
| Hawaii | 35% VLT or higher | 35% VLT or higher | 35% VLT or higher | Yes |
| Idaho | 35% VLT or higher | 20% VLT or higher | 35% VLT or higher | Yes |
| Illinois | 35% VLT or higher | 35% VLT or higher | 35% VLT or higher | Yes |
| Indiana | 30% VLT or higher | 30% VLT or higher | 30% VLT or higher | Yes |
| Iowa | 70% VLT or higher | Any VLT allowed | Any VLT allowed | Yes |
| Kansas | 35% VLT or higher | 35% VLT or higher | 35% VLT or higher | Yes |
| Kentucky | 35% VLT or higher | 18% VLT or higher | 18% VLT or higher | Yes |
| Louisiana | 40% VLT or higher | 25% VLT or higher | 12% VLT or higher | Yes |
| Maine | 35% VLT or higher | Any VLT allowed | Any VLT allowed | Yes |
| Maryland | 35% VLT or higher | 35% VLT or higher | 35% VLT or higher | Yes |
| Massachusetts | 35% VLT or higher | 35% VLT or higher | 35% VLT or higher | Yes |
| Michigan | Any VLT allowed | Any VLT allowed | Any VLT allowed | Yes |
| Minnesota | 50% VLT or higher | 50% VLT or higher | 50% VLT or higher | Yes |
| Mississippi | 28% VLT or higher | 28% VLT or higher | 28% VLT or higher | Yes |
| Missouri | 35% VLT or higher | Any VLT allowed | Any VLT allowed | Yes |
| Montana | 24% VLT or higher | 14% VLT or higher | 14% VLT or higher | Yes |
| Nebraska | 35% VLT or higher | 20% VLT or higher | 20% VLT or higher | Yes |
| Nevada | 35% VLT or higher | Any VLT allowed | Any VLT allowed | Yes |
| New Hampshire | 70% VLT or higher | 35% VLT or higher | 35% VLT or higher | Yes |
| New Jersey | Not allowed | Any VLT allowed | Any VLT allowed | Yes |
| New Mexico | 20% VLT or higher | 20% VLT or higher | 20% VLT or higher | Yes |
| New York | 70% VLT or higher | 70% VLT or higher | 70% VLT or higher | Yes |
| North Carolina | 35% VLT or higher | 35% VLT or higher | 35% VLT or higher | Yes |
| North Dakota | 50% VLT or higher | Any VLT allowed | Any VLT allowed | Yes |
| Ohio | 50% VLT or higher | Any VLT allowed | Any VLT allowed | Unclear |
| Oklahoma | 25% VLT or higher | 25% VLT or higher | 25% VLT or higher | Yes |
| Oregon | 35% VLT or higher | 35% VLT or higher | 35% VLT or higher | Yes |
| Pennsylvania | 70% VLT or higher | 70% VLT or higher | 70% VLT or higher | Yes |
| Rhode Island | 70% VLT or higher | 70% VLT or higher | 70% VLT or higher | Yes |
| South Carolina | 27% VLT or higher | 27% VLT or higher | 27% VLT or higher | Yes |
| South Dakota | 35% VLT or higher | 20% VLT or higher | 20% VLT or higher | Yes |
| Tennessee | 35% VLT or higher | 35% VLT or higher | 35% VLT or higher | Yes |
| Texas | 25% VLT or higher | Any VLT allowed | Any VLT allowed | Yes |
| Utah | 43% VLT or higher | Any VLT allowed | Any VLT allowed | Yes |
| Vermont | Not allowed | Any VLT allowed | Any VLT allowed | Yes |
| Virginia | 50% VLT or higher | 35% VLT or higher | 35% VLT or higher | Yes |
| Washington | 24% VLT or higher | 24% VLT or higher | 24% VLT or higher | Yes |
| Washington, D.C. | 70% VLT or higher | 50% VLT or higher | 50% VLT or higher | Yes |
| West Virginia | 35% VLT or higher | 35% VLT or higher | 35% VLT or higher | Yes |
| Wisconsin | 50% VLT or higher | 35% VLT or higher | 35% VLT or higher | Yes |
| Wyoming | 28% VLT or higher | 28% VLT or higher | 28% VLT or higher | Yes |
This snapshot summarises sedan rules only. SUV, van, and pickup (MPV) rules differ in most states — see each state’s dedicated page for the full picture. All values are re-verified against primary sources for 2026 (see sources & methodology).
Window tint reflectivity laws — FAQ
Is mirror tint legal anywhere?
Fully-mirrored tint is illegal in every U.S. state for on-road use. A film with a visibly mirrored appearance will exceed every state’s reflectivity cap.
Do ceramic films pass reflectivity rules?
Yes. Modern ceramic and nano-ceramic films typically measure 6–10% reflectivity, which is under every state cap.
How is reflectivity measured?
With a reflectometer, not a standard tint meter. Officers rarely test reflectivity in the field; it usually comes up only during state safety inspections.
Sources & references
How we verified this guide
- Primary sources only. VLT limits, windshield rules, and medical exemption procedures cited in this guide are verified against each state’s statute, administrative code, or DMV publication. See our sources & methodology.
- Annual re-review. Every guide is re-read against current state law at least once a year. This page was last reviewed on January 15, 2026.
- No affiliate influence. Our rankings, recommendations, and ticket-fighting advice are never paid. See our editorial policy.
- Not legal or medical advice. Enforcement is fact-specific; always verify with your local DMV, your state statute, or a licensed attorney before acting. See the legal disclaimer and medical disclaimer.
- Report an error. Spot something wrong or outdated? Contact our editors — we publish corrections quickly and note them in our next review cycle.