Canada’s federal approach vs U.S. state-by-state
Canada regulates motor vehicle safety at the federal level through Canadian Motor Vehicle Safety Regulations (CMVSR), which mirror FMVSS in many respects. But window tint specifically is regulated by each province, like U.S. states.
The big difference: most Canadian provinces (Ontario, Alberta, British Columbia) prohibit aftermarket tint on front side windows, period. No VLT percentage — just no front tint. U.S. states almost always set a VLT floor (typically 25–70%) rather than a flat ban.
Border state vs province comparison
| U.S. State | Front-side VLT | Adjacent Province | Front-side VLT |
|---|---|---|---|
| Washington | 24% | British Columbia | Prohibited |
| New York | 70% | Ontario | Prohibited |
| Michigan | 50% (top-4" only) | Ontario | Prohibited |
| Montana | 24% | Alberta | Prohibited |
| Minnesota | 50% | Manitoba / Ontario | Prohibited |
| Maine | 35% | New Brunswick / Quebec | Typically restrictive |
What border drivers should do
- If you regularly cross into Canada, do not install any aftermarket film on front side windows. Period.
- Back-window tint is more permissive in both jurisdictions.
- Clear UV-rejecting film (70% VLT) may be permissible on front side windows under some provincial rules; always confirm with the province.
- A U.S. medical exemption does not transfer to Canada and vice versa.
Cross-border tint compliance: the province-by-province reality
Provincial rules at the border states
| U.S. border state | Canadian neighbour | Canadian front-side rule | Canadian back-glass rule |
|---|---|---|---|
| Washington | British Columbia | No aftermarket | 70% minimum |
| Idaho | British Columbia | No aftermarket | 70% minimum |
| Montana | Alberta | More lenient (35%) | Any darkness |
| North Dakota | Saskatchewan | No aftermarket front | Any darkness rear |
| Minnesota | Manitoba | No aftermarket front | 35% minimum |
| Michigan | Ontario | 70% VLT minimum | 70% VLT (strict) |
| New York | Ontario / Québec | 70% VLT minimum; Québec: no aftermarket | 70% in ON; no aftermarket in QC |
| Vermont | Québec | No aftermarket | No aftermarket |
| Maine | New Brunswick | 70% VLT minimum | 70% VLT minimum |
The Ontario 70% rule in particular
Ontario's Highway Traffic Act prohibits aftermarket tint that reduces light transmittance below 70% VLT on the windshield or front side windows. This is stricter than California or New York in one respect: no "top strip" carve-out on the windshield below the AS-1 line.
Cross-border commuters driving Detroit-Windsor or Niagara Falls routinely encounter OPP (Ontario Provincial Police) tint enforcement. A U.S.-plated vehicle with 35% or 25% front side film will attract attention. Tickets are typically CAD $110–$230 with no fix-it path offered to non-residents.
Québec: the strictest jurisdiction in North America
Québec prohibits any aftermarket tint on the windshield or front side windows for passenger vehicles. Full stop. There is no VLT percentage that is legal; no top strip carve-out; no medical exemption for non-residents. Roadside SAAQ (Société de l'assurance automobile du Québec) inspections are occasional but thorough.
If you are a U.S. driver with any aftermarket front-window tint and you are crossing into Québec, the compliance risk is significant. Even 70% VLT clear ceramic film is technically prohibited on front surfaces there.
Lenient provinces
- Alberta — no VLT minimum on front side windows; province relies on the "obscures vision" language. 35–70% VLT aftermarket is typical.
- Manitoba — no VLT requirement on rear; aftermarket front tint still prohibited.
- Nova Scotia & New Brunswick — follow the strict 70% model of Ontario.
- Yukon, Northwest Territories, Nunavut — most lenient, less-enforced rules. Relevant mostly for Alaska commuters.
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).
U.S. vs Canada window tint laws — FAQ
Is window tint illegal in Canada?
Aftermarket tint on front side windows is prohibited in most Canadian provinces. Back-window tint is permitted with province-specific rules.
Will Canadian police ticket a U.S. vehicle for illegal tint?
Yes, if the tint violates provincial rules. Your U.S. registration does not exempt you while driving in Canada.
Can I get a Canadian medical exemption?
Each province runs its own medical exemption program. A U.S. exemption does not transfer. Residents of that province can apply through provincial transport authorities.
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.