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Smog Check & Emissions Testing Stations in Connecticut

66 of the 1,999 auto repair shops we track in Connecticut have smog checks or emissions tests. Full listings for every city are on the Connecticut page.

66auto repair shops
53cities
1,999auto repair shops statewide

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.

Hartford 3

  1. B & S Automotive

    127 Meadow St, Hartford, CT 06114

    Mon-Fri 8 AM-5 PM, Sat 8 AM-1 PM

    Smog & emissionsState inspectionTransmission repairA/C repair
    Call Website All Hartford

  2. C & F Automotive

    375 Wethersfield Ave, Hartford, CT 06114-1415

    Smog & emissionsMuffler & exhaustBody & collisionFree estimatesTowing
    Call Website All Hartford

  3. Mw Motorsports

    128 Park St, Hartford, CT 06106

    Smog & emissionsEuropean & importMuffler & exhaust
    Call Website All Hartford

East Hartford 2

  1. Herb's Automotive

    16 Tolland St, East Hartford, CT 06108-3437

    Mon–Fri 8am–5pm, Sat 8am–1pm

    Smog & emissionsState inspectionFinancing
    Call Website All East Hartford

  2. Axle & Spindle Repair

    760 Tolland St, East Hartford, CT 06108-2727

    Smog & emissions
    Call Website All East Hartford

Guilford 2

  1. Guilford Texaco

    2293 Boston Post Rd, Guilford, CT 06437

    Mon–Fri 8am–5pm, Sat 8am–1pm, Sun closed

    Smog & emissionsTransmission repairMuffler & exhaustLoaner or shuttle
    Call Website All Guilford

  2. A-1 Complete Auto Care

    655 Boston Post Rd, Guilford, CT 06437-2711

    Smog & emissionsLoaner or shuttle
    Call Website All Guilford

Hamden 2

  1. Keating Automotive

    2619 Whitney Ave, Hamden, CT 06518

    Mon–Fri 8am–5pm, Sat 8am–1pm, Sun closed

    Smog & emissionsMuffler & exhaustA/C repair
    Call Website All Hamden

  2. Car-Tune Systems

    1049 Dixwell Ave, Hamden, CT 06514

    Smog & emissionsEuropean & import
    Call Website All Hamden

Litchfield 2

  1. The Quiet Zone of Bantam

    738 Bantam Rd, Litchfield, CT 06750

    Mon–Fri 7:30am–5:30pm

    Smog & emissionsA/C repair
    Call Website All Litchfield

  2. Bennett Motor Werks

    108 Torrington Rd, Litchfield, CT 06759

    Smog & emissions
    Call All Litchfield

Manchester 2

  1. Axle & Spindle Truck Repair

    290 Broad St, Manchester, CT 06040-4062

    Mon–Fri 8am–4:30pm

    Smog & emissionsMobile mechanicDiesel & truckTowing
    Call Website All Manchester

  2. Economy Oil Change

    315 Broad St, Manchester, CT 06040

    Smog & emissionsDiesel & truckA/C repair
    Call Website All Manchester

New Haven 2

  1. Yale Motor Works

    1215 State St, New Haven, CT 06511-2721

    Smog & emissionsTransmission repairBody & collisionFree estimates
    Call Website All New Haven

  2. Morales Transmissions

    36 Salem St, New Haven, CT 06519-2235

    Smog & emissionsTransmission repair
    Call Website All New Haven

Norwalk 2

  1. Croce's Transmission Specialists

    301 Main Ave, Norwalk, CT 06851

    Mon–Fri 8am–4:30pm

    Smog & emissionsTransmission repairFinancingLoaner or shuttle
    Call Website All Norwalk

  2. Hank May's Discount Tire & Auto Center

    470 Westport Ave, Norwalk, CT 06851

    Smog & emissionsState inspection
    Call Website All Norwalk

Southington 2

  1. Mad Hatter Mufflers & Auto Repair

    176 Queen St, Southington, CT 06489-2011

    Mon–Fri 8am–5pm, Sat 8am–1pm

    Smog & emissionsTransmission repairMuffler & exhaustA/C repairSe habla español
    Call Website All Southington

  2. Townline Auto Service

    1262 Queen St, Southington, CT 06489

    Mon–Fri 8am–5pm

    Smog & emissions
    Call Website All Southington

Stamford 2

  1. Hank May's Discount Tire & Auto Center

    168 Magee Ave, Stamford, CT 06902

    Smog & emissionsState inspection
    Call Website All Stamford

  2. West High Service Station

    355 W Main St, Stamford, CT 06902

    Smog & emissionsA/C repair
    Call Website All Stamford

Thomaston 2

  1. P and C Repair

    64 N Main St, Thomaston, CT 06787

    Mon–Fri 8am–5pm, Sat 8am–1pm

    Smog & emissionsTransmission repairDiesel & truckMuffler & exhaustFree estimates
    Call Website All Thomaston

  2. The Quiet Zone of Thomaston

    100 S Main St, Thomaston, CT 06787

    Mon–Fri 7:30am–5:30pm

    Smog & emissionsA/C repair
    Call Website All Thomaston

Vernon Rockville 2

  1. Farm Car Care Center

    11 Windermere Ave, Vernon Rockville, CT 06066-2425

    Mon–Fri 8am–5pm, Sat 8am–1pm, Sun closed

    Smog & emissionsMuffler & exhaustA/C repairFinancingTowing
    Call Website All Vernon Rockville

  2. Economy Oil Change

    315 Hartford Turnpike, Vernon Rockville, CT 06066

    Smog & emissionsState inspectionDiesel & truckA/C repair
    Call Website All Vernon Rockville

Ansonia 1

  1. General Muffler & Auto Supply

    670 Main St, Ansonia, CT 06401

    Mon–Tue 8am–5pm, Wed 8am–12pm, Thu–Fri 8am–5pm, Sat 8am–12pm, Sun closed

    Smog & emissionsMuffler & exhaustA/C repair
    Call Website All Ansonia

Beacon Falls 1

  1. Gabes Automotive

    100 N Main St, Beacon Falls, CT 06403

    Mon–Fri 8am–5pm, Sat 8am–1pm

    Smog & emissionsEuropean & importA/C repairFinancing
    Call Website All Beacon Falls

Branford 1

  1. R J Shore Automotive

    80 Shore Dr, Branford, CT 06405

    Smog & emissionsA/C repairBody & collisionFinancingTowing
    Call Website All Branford

Bridgeport 1

  1. Briarwood Automotives

    2596 E Main St, Bridgeport, CT 06610

    Smog & emissionsTransmission repairMuffler & exhaustA/C repair
    Call Website All Bridgeport

Bristol 1

  1. Hamelin & Sons Automotive Repairs

    64 West St, Bristol, CT 06010

    Smog & emissions
    Call Website All Bristol

Cheshire 1

  1. Copeland Auto Repair

    1451 Highland Ave, Cheshire, CT 06410

    Mon–Fri 8:00am–5:00pm, Sat 8:00am–1:00pm

    Smog & emissionsState inspectionTransmission repairA/C repair
    Call Website All Cheshire

Columbia 1

  1. Rose Brothers Garage

    164 Route 66 E, Columbia, CT 06237-1224

    Smog & emissionsTransmission repairDiesel & truckMuffler & exhaustBody & collision
    Call Website All Columbia

Durham 1

  1. Dean Autoworks

    18 Middlefield Rd, Durham, CT 06422-1203

    Smog & emissionsA/C repairBody & collisionLoaner or shuttle
    Call Website All Durham

East Haven 1

  1. Swanson Automotive

    434 Short Beach Rd, East Haven, CT 06512

    Mon–Fri 8am–5pm, Sat 8am–1pm

    Smog & emissionsA/C repairLoaner or shuttleSe habla español
    Call Website All East Haven

East Windsor 1

  1. Gil’s Auto & Truck Service LLC

    227 S Main St, East Windsor, CT 06088-1741

    Mon–Fri 7:30am–5pm, Sat 8am–12pm

    Smog & emissionsDiesel & truckEuropean & import
    Call Website All East Windsor

Farmington 1

  1. Farmington Motor Sports Inc

    146 Brickyard Rd, Farmington, CT 06032

    Mon–Fri 8am–5pm, Sat 8am–1pm

    Smog & emissionsDiesel & truckMuffler & exhaustTowing
    Call Website All Farmington

Glastonbury 1

  1. Economy Oil Change

    2711 Main St, Glastonbury, CT 06033

    Smog & emissionsState inspectionDiesel & truckA/C repair
    Call Website All Glastonbury

Greenwich 1

  1. Riverside Service

    561 W Putnam Ave, Greenwich, CT 06830-2913

    Smog & emissionsTowing
    Call Website All Greenwich

Higganum 1

  1. New Image Auto

    969 Killingworth Rd, Higganum, CT 06441-4404

    Smog & emissionsDiesel & truckA/C repairTowing
    Call Website

Lisbon 1

  1. Stilly's Automotive

    117 S Burnham Hwy, Lisbon, CT 06351

    Mon–Fri 8am–5pm, Sat 8am–1pm, Sun closed

    Smog & emissionsTowing
    Call Website All Lisbon

Mansfield 1

  1. T&B Motors

    460 Storrs Rd, Mansfield, CT 06250

    Smog & emissionsDiesel & truckTowing
    Call Website All Mansfield

Meriden 1

  1. Emission Testing

    1652 N Broad St, Meriden, CT 06450-2410

    Smog & emissions
    Call Website All Meriden

Middletown 1

  1. Emc Collision Center

    1158 Newfield St, Middletown, CT 06457-1836

    Smog & emissionsBody & collisionFinancing
    Call Website All Middletown

Monroe 1

  1. Monro Muffler Brake and Service

    451 Main St, Monroe, CT 06468

    Smog & emissionsTransmission repairMuffler & exhaust
    Call Website All Monroe

Naugatuck 1

  1. Mezzio Auto Care

    792 New Haven Rd, Naugatuck, CT 06770

    Smog & emissionsBody & collisionFinancingLoaner or shuttle
    Call Website All Naugatuck

New London 1

  1. Auto Hub Plus

    434 Colman St, New London, CT 06320-3739

    Mon–Fri 8am–5pm, Sat 8am–3pm, Sun closed

    Smog & emissionsTransmission repairMuffler & exhaustA/C repair
    Call Website All New London

Newington 1

  1. Mike's Auto Service

    54 Pane Rd, Newington, CT 06111

    Mon–Fri 8am–5pm, Sat 8am–1pm, Sun closed

    Smog & emissionsTransmission repairEuropean & importMuffler & exhaustA/C repairFinancingLoaner or shuttle
    Call Website All Newington

North Haven 1

  1. JP Automotive

    25 Stiles Ln, North Haven, CT 06473

    Mon - Fri: 8AM - 5PM, Sat: 8AM - 1PM, Sun: Closed

    Smog & emissionsState inspectionTransmission repairMuffler & exhaustA/C repairLoaner or shuttle
    Call Website All North Haven

North Windham 1

  1. Rose Brothers Garage

    351 Boston Post Rd, North Windham, CT 06256-1037

    Smog & emissionsTransmission repairDiesel & truckMuffler & exhaustBody & collision
    Call Website

Old Lyme 1

  1. All Pro Automotive

    147 Boston Post Rd, Old Lyme, CT 06371-1348

    Mon–Fri 7am–5pm, Sat 8am–12pm, Sun closed

    Smog & emissionsState inspectionTransmission repairDiesel & truckTowing
    Call Website All Old Lyme

Old Saybrook 1

  1. Denvir Tire & Auto Service

    828 Boston Post Rd, Old Saybrook, CT 06475

    Smog & emissionsA/C repairFinancing
    Call Website All Old Saybrook

Plainfield 1

  1. T and S Oil

    200 Ward Ave, Plainfield, CT 06354

    Smog & emissionsTowing
    Call Website All Plainfield

Plainville 1

  1. Anthony's Service Station

    128 E Main St, Plainville, CT 06062

    Mon–Fri 8am–5pm, Sat 8am–1pm, Sun closed

    Smog & emissionsMuffler & exhaustA/C repair
    Call Website All Plainville

Plantsville 1

  1. L and S Automotive

    1157 Meriden Waterbury Tpke, Plantsville, CT 06479-2048

    Smog & emissionsEuropean & importFinancing
    Call Website All Plantsville

Prospect 1

  1. O'Neill's Automotive

    69 Waterbury Rd, Prospect, CT 06712

    Mon-Fri 8:00am - 5:00pm, Sat Closed, Sun Closed

    Smog & emissionsMuffler & exhaust
    Call Website All Prospect

Somers 1

  1. Dave's Auto Machine

    64 Field Rd Ste 2B, Somers, CT 06071

    Mon–Fri 8am–5pm, Sat 9am–Noon

    Smog & emissionsEuropean & importMuffler & exhaustTowing
    Call Website All Somers

South Windsor 1

  1. Precision Motor Coach

    1281 John Fitch Blvd, South Windsor, CT 06074

    Smog & emissionsMuffler & exhaustA/C repair
    Call Website All South Windsor

Stafford Springs 1

  1. Axle & Spindle Truck Repair

    15 Middle River Dr, Stafford Springs, CT 06076-1034

    Mon–Fri 8am–4:30pm

    Smog & emissionsMobile mechanicDiesel & truck
    Call Website All Stafford Springs

Storrs Center 1

  1. Storrs Automotive

    11 Dog Ln, Storrs Center, CT 06268-2206

    Mon–Fri 8am–5pm, Sat closed, Sun closed

    Smog & emissions
    Call Website All Storrs Center

Vernon 1

  1. Larry's Sales & Repair

    260 Talcottville Rd Rockville, Vernon, CT 06066

    Mon–Fri

    Smog & emissionsTransmission repairFinancingFree estimatesTowing
    Call Website All Vernon

Wallingford 1

  1. SAF-T Auto Centers

    121 N Plains Industrial Rd, Wallingford, CT 06492

    Mon–Fri 8am–5:30pm

    Smog & emissionsTransmission repairA/C repairFinancingLoaner or shuttle
    Call Website All Wallingford

Waterbury 1

  1. Model Garage Inc

    110 Thomaston Ave, Waterbury, CT 06702-1018

    Smog & emissionsMuffler & exhaustA/C repair
    Call Website All Waterbury

West Hartford 1

  1. Prospect Foreign Car Center

    595 Prospect Ave, West Hartford, CT 06105

    Smog & emissionsEuropean & import
    Call Website All West Hartford

Westport 1

  1. Westport Auto Repair Llc

    1530 Post Rd E, Westport, CT 06880-5603

    Mon–Fri 8am–5pm, Sat 8am–1pm, Sun closed

    Smog & emissionsState inspectionTransmission repairA/C repairLoaner or shuttle
    Call Website All Westport

Wilton 1

  1. Wilton Auto & Tire Center

    210 Danbury Rd, Wilton, CT 06897

    Mon–Fri 8am–5pm, Sat 8am–1pm, Sun closed

    Smog & emissionsEuropean & importFinancingLoaner or shuttle
    Call Website All Wilton

Windsor Locks 1

  1. Scata's Auto and Truck Repair

    535 Spring St, Windsor Locks, CT 06096

    Mon-Fri 8am-5:30pm

    Smog & emissionsTransmission repairDiesel & truckA/C repairLoaner or shuttle
    Call Website All Windsor Locks
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.

Also in Connecticut

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.