Charles Automotive & Tire

Charles Automotive & Tire, 12122 Nebel St, Rockville, MD 20852, offers emissions testing and Maryland state inspections alongside general auto repair. This DMV area shop is a trusted, clean, friendly car inspection station with quick turnarounds and transparent pricing. They provide OBD-II diagnostics and check engine light service, tire repairs, oil changes and other maintenance. Open Monday through Friday 8 am to 5 pm, Friday 8 am to 4 pm, with a welcoming reception and no heavy upsell. Passed their emissions testing here.

Auto repair shop

Test and Repair

Rockville, MD

Contact

Address 12122 Nebel St, Rockville, MD 20852, United States

Phone +1 301-468-8899

Website http://chasauto.com/

Hours

Monday 8 am–5 pm

Tuesday 8 am–5 pm

Wednesday 8 am–5 pm

Thursday 8 am–5 pm

Friday 8 am–4 pm

Saturday Closed

Sunday Closed

Services

Station Type Test and Repair

Test Types

OBD-II Tailpipe Visual Safety Inspection

Vehicles Served

Passenger Cars Hybrids Light Diesel Commercial

Languages English

Practical Information

Appointments Walk-ins Welcome

Typical Wait Under 15 minutes

Pricing MD state inspection and emissions testing pricing varies; fees for tests not listed on site.

Payment

Cash Credit Card Debit Card Check

Rating

4.8 / 5

Based on 526 reviews

4.8 / 5

Emissions Testing rating (5 reviews)

Location

Rockville, Maryland

More stations in Rockville

What Customers Say

Friendly Staff Knowledgeable Easy Process Clean Facility Good Communication

Speed: Fast

Pass Rate

Standard

Based on customer review sentiment

Making the Most of Your Visit to Charles Automotive & Tire

Choosing the right emissions testing station in Rockville, Maryland can save you time, reduce stress, and help ensure your vehicle passes its inspection on the first try. Charles Automotive & Tire is one of the licensed emissions testing locations in the area, and preparing properly before your visit can make the process smoother.

Understanding Maryland Emissions Testing Requirements

Emissions Testing rules in Maryland vary by vehicle type, registration ZIP code, and model year. Since requirements can differ even within Rockville, confirm what applies to you before heading to Charles Automotive & Tire. Our Maryland Emissions Testing guide outlines current rules, exemptions, and testing intervals.

Before Your Emissions Testing

To help make your emissions testing quick and successful, consider preparing the following:

Confirm your registration address requires testing.
Ensure your check engine light is off and no recent codes have been cleared.
Warm up your vehicle by driving 10 to 15 minutes before testing.
Bring your registration or renewal notice and a valid photo ID.

Why Reviews Matter

Customer experiences can vary, so reading feedback from other drivers can help you understand what to expect. Charles Automotive & Tire currently has 526 reviews with a 4.8 out of 5 rating, which can provide insights into service quality, wait times, and professionalism.

Visit Checklist

1

Verify Certification

Ensure Charles Automotive & Tire is an active, licensed emissions testing station in Maryland.
2

Check Reviews

Read recent customer feedback from other Rockville drivers to understand typical wait times and service quality.
3

Confirm Services

Call ahead to confirm the types of tests offered and whether appointments are required.
4

Bring Required Documents

Have your registration or renewal notice, ID, and any required paperwork ready when visiting the station.
5

Ask About Retest Policies

Some stations offer discounted or free retests if your vehicle fails. Ask for details up front.

* This guide is for informational purposes only. Always confirm emissions testing requirements and policies with your local Maryland authorities.

FAQ

Common questions

Have a question not covered here? Contact us and we will respond within one business day.

Where is Charles Automotive & Tire located?

Charles Automotive & Tire is located at 12122 Nebel St, Rockville, MD 20852, United States in Rockville, Maryland.

What services does Charles Automotive & Tire offer?

Charles Automotive & Tire is categorized as a Auto repair shop and operates as a Test and Repair station offering OBD-II, Tailpipe, Visual, Safety Inspection testing for passenger cars, hybrids, light diesel, commercial.

Does Charles Automotive & Tire provide Emissions Testing?

Yes, Charles Automotive & Tire provides Emissions Testing in Rockville, MD. Available test types include OBD-II, Tailpipe, Visual, Safety Inspection.

What are the hours for Charles Automotive & Tire?

Charles Automotive & Tire is open: Monday 8 am–5 pm, Tuesday 8 am–5 pm, Wednesday 8 am–5 pm, Thursday 8 am–5 pm, Friday 8 am–4 pm, Saturday Closed, Sunday Closed.

How can I contact Charles Automotive & Tire?

You can reach Charles Automotive & Tire by phone at +1 301-468-8899, online at http://chasauto.com/, or by visiting 12122 Nebel St, Rockville, MD 20852, United States.

Do I need an appointment at Charles Automotive & Tire?

Charles Automotive & Tire accepts walk-ins with no appointment necessary. Contact them directly to confirm availability.

How long does Emissions Testing take at Charles Automotive & Tire?

Typical wait time at Charles Automotive & Tire is Under 15 minutes. Customers generally describe the service speed as Fast.

How much does Emissions Testing cost at Charles Automotive & Tire?

Pricing for Emissions Testing at Charles Automotive & Tire is typically MD state inspection and emissions testing pricing varies; fees for tests not listed on site.. Contact them directly for exact pricing.

What payment methods does Charles Automotive & Tire accept?

Charles Automotive & Tire accepts Cash, Credit Card, Debit Card, Check.

What do customers say about Charles Automotive & Tire?