ID · Tint law summary · as of 2026-05
Idaho window tint laws.
Short answer
In Idaho, front side windows require 35% VLT or higher; rear side windows require 20% VLT or higher; the back window requires 35% VLT or higher.
Idaho is one of the few states with different rules for rear side vs back window: 20% on rear sides, 35% on the back glass.
The summary below reflects the Idaho Vehicle Code and DMV publications as of 2026-05. Tint laws change and enforcement varies by jurisdiction. Always verify with the Idaho DMV or a local tint installer before installing — penalties for over-dark tint range from fix-it tickets to fines and mandatory removal.
VLT limits by window
| Window | Legal limit (Idaho) |
|---|---|
| Front side windows | 35% min |
| Rear side windows | 20% min |
| Rear window (back glass) | 35% min |
| Windshield | Top 5 inches only (AS-1 line) |
| Front reflectivity | 35% max |
| Rear reflectivity | 35% max |
| Restricted colors | red, amber |
| Medical exemption | Available with documentation |
Lower VLT = darker tint. "Any" means the state does not restrict VLT on that window.
Legal VLT combinations for Idaho
These combinations fit within Idaho's VLT limits and are the most popular picks from our customer base in similar states.
| Combo | Front | Rear |
|---|---|---|
| Most popular | 35% | 20% |
| Light all-around | 35% | 35% |
Both Standard and Ceramic films come in 5% / 20% / 35% VLT — see our VLT guide for the full picture.
Penalty for over-dark tint in Idaho
Infraction; fines ~$67. Most Idaho tint enforcement happens during routine traffic stops — police can request a VLT reading on the side glass with a handheld meter.
Practical advice: stay one step above the legal limit if you can. A 35% film on fronts in a 35% state can read slightly under at the meter due to existing factory tint in the glass — running 40–50% leaves headroom.
Medical exemption in Idaho
Idaho allows a medical exemption for darker tint with documentation from a licensed physician. Conditions that commonly qualify include lupus, photosensitive disorders, melanoma history, and certain eye conditions. Process and required forms are available from the Idaho DMV. Allow 2–6 weeks for processing.
Idaho tint law FAQ
What is the legal tint percentage in Idaho?
+
In Idaho, front side windows require 35% VLT or higher; rear side windows require 20% VLT or higher; the back window requires 35% VLT or higher. See the full table on this page for reflectivity limits and windshield rules. Always verify with the Idaho DMV or a local tint installer before installing, as laws can change.
Is medical exemption available for darker tint in Idaho?
+
Yes. Idaho allows a medical exemption with appropriate documentation from a licensed physician. The process typically involves submitting a medical certificate to the state DMV; specifics vary, so contact the Idaho DMV for the current procedure.
What is the penalty for over-dark tint in Idaho?
+
Infraction; fines ~$67. Penalties vary by jurisdiction within the state and the discretion of the issuing officer.
Are reflective or mirrored tints legal in Idaho?
+
Idaho limits reflectivity to 35% on front side windows and 35% on rear side windows. Most quality ceramic and standard films from reputable manufacturers fall well under these limits.
Are colored tints legal in Idaho?
+
Idaho prohibits tint film in the following colors: red, amber. Stick to neutral charcoal or black film, which is what almost all quality ceramic and standard films are anyway.
Buy a kit that's legal in Idaho
Find the precut kit for your car.
Every kit ships with your choice of VLT per window — pick combinations that stay within Idaho's limits. Standard from $89, Ceramic from $239. Free U.S. shipping.
Find my car →