Vehicle Inspection Requirements by State (2026)
Before you renew your registration, check whether your state requires a passing inspection first. 29 states do — through a safety inspection, an emissions test, or both — while the rest require nothing. Emissions testing usually applies only in specific metro counties, not statewide. Find your state below.
Verified July 2026 from official DMV and environmental-agency sources. Rules change — a few states (New Hampshire, Missouri, North Carolina, Texas) have active legislation or rollbacks; see each state's page.
| State | Required to renew? | What's required |
|---|---|---|
| Alabama | No | None |
| Alaska | No | None |
| Arizona | In some counties | emissions (metro areas) |
| Arkansas | No | None |
| California | Yes | statewide emissions |
| Colorado | In some counties | emissions (metro areas) |
| Connecticut | Yes | statewide emissions |
| Delaware | Yes | Biennial safety + statewide emissions |
| Florida | No | None |
| Georgia | In some counties | emissions (metro areas) |
| Hawaii | Yes | Annual safety |
| Idaho | No | None |
| Illinois | In some counties | emissions (metro areas) |
| Indiana | In some counties | emissions (metro areas) |
| Iowa | No | None |
| Kansas | No | None |
| Kentucky | No | None |
| Louisiana | Yes | Annual safety + emissions (metro areas) |
| Maine | Yes | Annual safety + emissions (metro areas) |
| Maryland | Yes | Safety on sale + emissions (metro areas) |
| Massachusetts | Yes | Annual safety + statewide emissions |
| Michigan | No | None |
| Minnesota | No | None |
| Mississippi | No | None |
| Missouri | Yes | Biennial safety + emissions (metro areas) |
| Montana | No | None |
| Nebraska | No | None |
| Nevada | In some counties | emissions (metro areas) |
| New Hampshire | Yes | Annual safety + statewide emissions |
| New Jersey | Yes | statewide emissions |
| New Mexico | In some counties | emissions (metro areas) |
| New York | Yes | Annual safety + statewide emissions |
| North Carolina | Yes | Annual safety + emissions (metro areas) |
| North Dakota | No | None |
| Ohio | In some counties | emissions (metro areas) |
| Oklahoma | No | None |
| Oregon | In some counties | emissions (metro areas) |
| Pennsylvania | Yes | Annual safety + emissions (metro areas) |
| Rhode Island | Yes | Biennial safety + statewide emissions |
| South Carolina | No | None |
| South Dakota | No | None |
| Tennessee | No | None |
| Texas | In some counties | emissions (metro areas) |
| Utah | In some counties | emissions (metro areas) |
| Vermont | Yes | Annual safety + statewide emissions |
| Virginia | Yes | Annual safety + emissions (metro areas) |
| Washington | No | None |
| West Virginia | No | None |
| Wisconsin | In some counties | emissions (metro areas) |
| Wyoming | No | None |
29 states require an inspection to renew; 21require none. "In some counties" means emissions testing applies only in certain metro areas.
Frequently asked questions
Which states require a vehicle inspection to renew registration?
29 states require some form of passing inspection (safety, emissions, or both) before they'll renew your registration — though in many, emissions testing only applies in specific metro counties. States requiring an annual statewide safety inspection include Hawaii, Louisiana, Maine, Massachusetts, New Hampshire, New York, North Carolina, Pennsylvania, Vermont, and Virginia.
Which states have no vehicle inspection at all?
Many states require nothing: Alabama, Alaska, Arkansas, Florida, Iowa, Kansas, Kentucky, Michigan, Minnesota, Mississippi, Montana, Nebraska, North Dakota, Oklahoma, South Carolina, South Dakota, Tennessee, Washington, and Wyoming have no safety or emissions inspection tied to registration.
Is emissions testing required everywhere in a state?
Rarely. Most emissions programs only apply in specific metro areas — like metro Atlanta, the Denver Front Range, Chicago, or Northern Virginia. Check your state's page for the exact counties.