Service Plus, Inc.

Auto repair shop
Open · Closes 5:30 PM
4.6 (124 reviews)
511 4th St SW, Watertown, SD 57201

About

Service Plus, Inc. is a provider of emissions testing and vehicle inspection services in Watertown, South Dakota. Their emissions testing service helps ensure vehicles meet environmental standards and pass state regulations. Customers appreciate their thorough and fair approach to inspections. The shop has received positive reviews for helpful staff and reliable service, making it a trusted choice for vehicle emissions testing in Watertown. While primarily focused on emissions and inspections, they also offer diagnostics and emissions-related repairs to help fix issues identified during testing. Their professional team is committed to providing accurate assessments and helping customers stay compliant with vehicle regulations.

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Services Offered

emissions testing
Vehicle Inspection
OBD-II Diagnostics
Check Engine Light Diagnosis
Emissions-related repairs
Catalytic Converter Service
Exhaust Repair
O2 Sensor Replacement

What Customers Say

Review Summary

Customers generally find Service Plus, Inc. helpful and professional. Many reviews mention their quick and efficient testing process, with staff providing clear explanations. Some note that wait times can occur during busy periods but appreciate the thorough approach. Pricing is often considered fair, aligned with the quality of service. Overall, clients feel confident in their vehicle's emissions testing experience and trust the shop for subsequent repairs if needed. The majority of reviews highlight positive interactions and high customer satisfaction, making it a reliable option for emissions testing in Watertown.

Hours Open now
Mon 7:30 am–5:30 pm
Tue 7:30 am–5:30 pm
Wed 7:30 am–5:30 pm
Thu 7:30 am–5:30 pm
Fri 7:30 am–5:30 pm
Sat Closed
Sun Closed

Frequently Asked Questions

Discover quick and comprehensive answers to common questions about our platform, listings, and services.

Service Plus, Inc. is located at 511 4th St SW in Watertown, South Dakota. Visit them during business hours for emissions testing and vehicle inspections.
They offer emissions testing, vehicle inspections, OBD-II diagnostics, check engine light diagnosis, and emissions-related repairs such as catalytic converter service and exhaust repair.
Yes, Service Plus, Inc. provides emissions testing in Watertown, South Dakota. They help vehicle owners meet environmental standards and pass required inspections.
Their operating hours are Monday to Friday from 7:30 am to 5:30 pm. They are closed on Sundays and Saturdays.
You can contact Service Plus, Inc. by phone at +1 605-882-3236 or visit their website at https://serviceplussd.com/ for more information.
Appointments are recommended but not always necessary. It is suggested to call ahead to confirm availability and schedule your emissions testing or inspection.
Service at Service Plus, Inc. typically takes about 30 minutes to an hour, depending on the service requested and vehicle condition. They strive for prompt and accurate testing.
Customers say Service Plus, Inc. has helpful staff, thorough testing, and fair pricing. Many appreciate their honesty and professionalism. Some note wait times during busy hours but feel confident in their service.

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Making the Most of Your Visit to Service Plus, Inc.

Choosing the right emissions testing or smog check station in Watertown, South Dakota can save you time, reduce stress, and help ensure your vehicle passes its inspection on the first try. Service Plus, Inc. is one of the licensed smog check locations in the area, and preparing properly before your visit can make the process smoother.

Understanding South Dakota Smog Check Requirements

Emissions testing and smog check rules in South Dakota vary by vehicle type, registration ZIP code, and model year. Since requirements can differ even within Watertown, confirm what applies to you before heading to Service Plus, Inc.. Our South Dakota emissions testing guide outlines current 2025 rules, exemptions, and testing intervals.

Before Your Smog Check

To help make your emissions test 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. Service Plus, Inc. currently has 124 reviews, which can provide insights into service quality, wait times, and professionalism.

"Clear communication and preparation make your smog check easier. Ask Service Plus, Inc. about wait times, retest policies, or emissions repair services if you have concerns."

Visit Checklist

  • 1
    Verify Certification

    Ensure Service Plus, Inc. is an active, licensed smog check station in South Dakota.

  • 2
    Check Reviews

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

  • 3
    Confirm Services

    Call ahead to confirm the types of smog checks and emissions 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 smog check policies with your local South Dakota authorities.