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Smog Check & Emissions Testing Stations in Katy, TX

8 of the 175 auto repair shops we list in Katy have smog checks or emissions tests.

Not every repair shop is licensed to test emissions, and a map search for a smog check mixes test stations with parts stores and dealerships. Every station here names smog checks or emissions testing in its business name, its listing category or on its own website.

  1. Auto Care USA

    20650 Westheimer Pkwy, Katy, TX 77450

    Smog & emissionsState inspectionMuffler & exhaustA/C repairFinancingFree estimatesLoaner or shuttle
    Call Website Directions

  2. Auto Care USA 7

    3127 W Grand Pkwy N, Katy, TX 77449

    Smog & emissionsState inspectionMuffler & exhaustFinancingFree estimatesLoaner or shuttle
    Call Website Directions

  3. Auto Check Elite

    25551 Kingsland Blvd, Katy, TX 77494

    Smog & emissionsTransmission repairDiesel & truckEuropean & importMuffler & exhaustA/C repairFinancing
    Call Website Directions

  4. Southwest Car Care Center

    803 S Mason Rd Ste 514, Katy, TX 77450

    Smog & emissionsA/C repair
    Call Website Directions

  5. Auto Care USA

    25545 Westheimer Pkwy, Katy, TX 77494

    Smog & emissionsState inspectionMuffler & exhaustFinancingFree estimatesLoaner or shuttle
    Call Website Directions

  6. Katy Auto Experts

    2116 N Fry Rd, Katy, TX 77449

    Smog & emissionsTransmission repairMobile mechanicA/C repair
    Call Website Directions

  7. Clutch Automotive - Mason

    1140 S Mason Rd, Katy, TX 77450-3841

    Smog & emissionsState inspectionFinancing
    Call Website Directions

  8. Katy Vehicle Inspection

    2900 Katy Hockley Cut Off Rd #A502, Katy, TX 77493

    Smog & emissionsState inspection
    Call Website Directions
Bring your registration renewal notice. States that require emissions testing usually print the type of test on it. In California, a notice that says “STAR station required” means only a STAR-certified station can do the check, and test-only stations check cars but do not repair them.

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Smog Check & Emissions Testing Stations near Katy

Good to know

How much does a smog check cost?

Prices depend on the state and the station. In California a smog check usually costs about $30–70 plus the state certificate fee; in states that run their own emissions programs the fee is often a flat amount set by the state.

What happens if my car fails the emissions test?

You get a report with the reason for the failure, and the car needs repairs before a retest. Many states give a free or discounted retest within a set number of days, and some offer repair assistance or waivers when repair costs pass a limit.