Vehicle Inspection Stations in Washington County, MO (2026)

10 stations in Washington County

Plaza Tire Service Official list703 East High Street, Potosi, MO, 636644.7 1039 Google reviewsSafety InspectionsSafetyHeavy-duty / CMV(573) 436-2777Details
Open in Google Maps Directions Call (573) 436-2777 Website
Address
703 East High Street, Potosi, MO, 63664
County
Washington
Phone
(573) 436-2777
Website
plazatireservice.com/locations/mo/potosi/auto-repair-703-e-h
Record
In the registerRegister refreshed September 27, 2026no dates published
Source
Motor vehicle inspection station directory, Missouri State Highway Patrol (check it at the source)
Last checked
September 27, 2026
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Don's Radiator Official list10016 Mapleton Road, Potosi, MO, 636644.8 100 Google reviewsSafety InspectionsSafetyHeavy-duty / CMV(573) 438-4546Details
Open in Google Maps Directions Call (573) 438-4546 Website
Address
10016 Mapleton Road, Potosi, MO, 63664
County
Washington
Phone
(573) 438-4546
Website
dons-shop-potosi.lany.io
Record
In the registerRegister refreshed September 27, 2026no dates published
Source
Motor vehicle inspection station directory, Missouri State Highway Patrol (check it at the source)
Last checked
September 27, 2026
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Jerry's Garage Official list101 East Jefferson Street, Potosi, MO, 636644.8 49 Google reviewsSafety InspectionsSafetyHeavy-duty / CMV(573) 210-3435Details
Open in Google Maps Directions Call (573) 210-3435
Address
101 East Jefferson Street, Potosi, MO, 63664
County
Washington
Phone
(573) 210-3435
Record
In the registerRegister refreshed September 27, 2026no dates published
Source
Motor vehicle inspection station directory, Missouri State Highway Patrol (check it at the source)
Last checked
September 27, 2026
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Osia's Automotive Official list15274 North State Highway 21, Cadet, MO, 636304.8 47 Google reviewsSafety InspectionsSafety(573) 438-6979Details
Open in Google Maps Directions Call (573) 438-6979
Address
15274 North State Highway 21, Cadet, MO, 63630
County
Washington
Phone
(573) 438-6979
Record
In the registerRegister refreshed September 27, 2026no dates published
Source
Motor vehicle inspection station directory, Missouri State Highway Patrol (check it at the source)
Last checked
September 27, 2026
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Johnson Auto Repair LLC Official list21764 North State Highway 21, Blackwell, MO, 636265.0 36 Google reviewsSafety InspectionsSafetyHeavy-duty / CMV(573) 366-8513Details
Open in Google Maps Directions Call (573) 366-8513
Address
21764 North State Highway 21, Blackwell, MO, 63626
County
Washington
Phone
(573) 366-8513
Record
In the registerRegister refreshed September 27, 2026no dates published
Source
Motor vehicle inspection station directory, Missouri State Highway Patrol (check it at the source)
Last checked
September 27, 2026
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Medley's Auto Repair, LLC Official list15247 Hamilton Hollow Road, Sullivan, MO, 630804.7 45 Google reviewsSafety InspectionsSafety(573) 468-4108Details
Open in Google Maps Directions Call (573) 468-4108
Address
15247 Hamilton Hollow Road, Sullivan, MO, 63080
County
Washington
Phone
(573) 468-4108
Record
In the registerRegister refreshed September 27, 2026no dates published
Source
Motor vehicle inspection station directory, Missouri State Highway Patrol (check it at the source)
Last checked
September 27, 2026
Is this your business? Claim or correct this listing
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Burl's Safety Service Official list101 Blount Street, Potosi, MO, 636644.6 38 Google reviewsSafety InspectionsSafety(573) 438-5110Details
Open in Google Maps Directions Call (573) 438-5110
Address
101 Blount Street, Potosi, MO, 63664
County
Washington
Phone
(573) 438-5110
Record
In the registerRegister refreshed September 27, 2026no dates published
Source
Motor vehicle inspection station directory, Missouri State Highway Patrol (check it at the source)
Last checked
September 27, 2026
Is this your business? Claim or correct this listing
Side Street Diesel LLC Official list11317 State Highway 185, Potosi, MO, 636644.6 13 Google reviewsSafety InspectionsSafety(573) 631-5101Details
Open in Google Maps Directions Call (573) 631-5101 Website
Address
11317 State Highway 185, Potosi, MO, 63664
County
Washington
Phone
(573) 631-5101
Website
side-street-diesel.ueniweb.com
Record
In the registerRegister refreshed September 27, 2026no dates published
Source
Motor vehicle inspection station directory, Missouri State Highway Patrol (check it at the source)
Last checked
September 27, 2026
Is this your business? Claim or correct this listing
Danny's Auto Repair Official list106 State Highway P Ste C, Potosi, MO, 636644.3 12 Google reviewsSafety InspectionsSafety(573) 854-8503Details
Open in Google Maps Directions Call (573) 854-8503
Address
106 State Highway P Ste C, Potosi, MO, 63664
County
Washington
Phone
(573) 854-8503
Record
In the registerRegister refreshed September 27, 2026no dates published
Source
Motor vehicle inspection station directory, Missouri State Highway Patrol (check it at the source)
Last checked
September 27, 2026
Is this your business? Claim or correct this listing
Mineral Area School Lines Official list16813 North State Hwy 21, Cadet, MO, 63630Safety InspectionsSafetyHeavy-duty / CMV(573) 438-6166Details
Open in Google Maps Directions Call (573) 438-6166
Address
16813 North State Hwy 21, Cadet, MO, 63630
County
Washington
Phone
(573) 438-6166
Record
In the registerRegister refreshed September 27, 2026no dates published
Source
Motor vehicle inspection station directory, Missouri State Highway Patrol (check it at the source)
Last checked
September 27, 2026
Is this your business? Claim or correct this listing

Towns in Washington County

About this data

Where the list comes from and what it does and does not say

10in the directory

10in the state register

4cities

9rated

4.7average score

61stby size in this category

The largest concentration is in Potosi: 6 of 10 (60%). Other cities covered include Cadet (2), Blackwell (1), Sullivan (1).

These 10 entries come from a register that publishes no license dates at all. They were on the register when it was last refreshed, on September 27, 2026.

All 10 hold the same class of license: Safety Inspections.

All 10 publish a phone number and 3 have a website.

9 of the 10 have a Google rating, averaging 4.7 across 1379 reviews. Scores run from 4.3 to 5.0.

Washington County ranks 61st of the 61 counties covered in this category, holding 0% of the listings.

Every record on this page comes from Motor vehicle inspection station directory, published by Missouri State Highway Patrol on mshp.dps.missouri.gov as dataset HP81Web.

What the rules require

The annual DOT inspection: what 49 CFR 396.17 actually requiresWhat the federal annual inspection covers, who may perform it, what paperwork has to be on the vehicle, and…
Who is qualified to perform a DOT annual inspectionThe federal qualification standard for annual inspectors and for brake inspectors: what counts as training…
Driver vehicle inspection reports: what 49 CFR 396.11 requiresThe daily report, what it has to cover, when a driver does not have to write one, who has to certify repairs…
The new entrant safety audit: what FMCSA checks and how to passHow the new entrant program works under 49 CFR Part 385 subpart D: the 18-month monitoring period, when the…

Washington County: questions

Which cities in Washington County have stations?

By count: Potosi (6), Cadet (2), Blackwell (1), Sullivan (1). Addresses, license class and, where the register publishes them, license dates are in the list above.

Are these stations currently licensed?

The state register these records come from publishes no license dates. Each of these 10 facilities appeared in the register when it was last refreshed, on September 27, 2026. Confirm the current position with the facility or the issuing authority before relying on it.

How many are rated?

9 of 10 have a Google rating, averaging 4.7 across 1379 reviews.

Report a correction

A listing closed, moved or missing? It gets checked against the source

Something wrong on this page?

These records come from state registers and the registers are not perfect. If a listing is closed, has moved, or the license details do not match what the state told you, say so and it gets checked against the source.