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Smog Check · San Antonio, TX/Updated June 13, 2026

The Best Smog Check Stations in San Antonio, TX

Find reliable smog check stations in San Antonio with high ratings and customer satisfaction. Our picks cover quality service and affordability.

Editorially independent9 companies evaluated
cover story
★ Editor's ChoiceMidas
96Score
Latest update · June 13, 2026: Initial ranking published. 9 San Antonio-metro smog check businesses evaluated, top 8 ranked by Vetted Score.

In San Antonio, getting a smog check is essential for vehicle compliance and health. With local regulations requiring regular emissions testing, choosing a reputable station can save you time and hassle.

We evaluated nine smog check stations based on customer reviews, ratings, and service quality, ensuring a diverse selection of options for our readers. Our list reflects the best choices for residents seeking reliable and trustworthy emissions services.

9smog check stations evaluated in San Antonio
4.30average rating across the field
4.9Kcustomer reviews analyzed

Cityvetted analysis of public Google review data, updated June 13, 2026.

How much does smog check cost in San Antonio? See the price breakdown →

Our top picks

At a glance · three categories
Editor's Choice
96Score

Midas

★★★★★4.8(1,810 reviews)

Midas stands out with a stellar rating of 4.8 from 1,810 reviews.

Read full review
Best Value
95Score

MD Automotive

★★★★★4.8(1,060 reviews)

MD Automotive also boasts a 4.8 rating with 1,060 reviews, highlighting their friendly staff and efficient service.

Read full review
Most Reviewed
94Score

Mr. Mechanic & Tire Muffler Shop

★★★★★4.8(578 reviews)

Mr.

Read full review

All 8, compared

Data as of June 13, 2026
BusinessVetted ScoreGoogle ratingReviewsBest for
1
Midas
Midas
Editor's Choice
96Score
4.8★★★★★
1,810Reliable service and customer care
2
MD Automotive
MD Automotive
Best Value
95Score
4.8★★★★★
1,060Affordable smog checks
3
94Score
4.8★★★★★
578Thorough inspections and mechanical expertise
4
91Score
4.6★★★★★
328Honest assessments and prompt service
5
90Score
4.8★★★★★
10Specialized emissions testing
6
84Score
4.2★★★★★
163Quick inspections
7
80Score
3.3★★★★★
429Budget-friendly inspections
8
78Score
3.1★★★★★
535Low-cost options
Methodology

How we evaluated all 9 smog check stations.

We assessed each smog check station in the San Antonio area, focusing on customer feedback and overall satisfaction. We only included businesses with significant review counts to ensure a fair evaluation.

No business pays for placement in our rankings, and we update our analysis monthly to reflect the latest customer experiences. This ensures our recommendations remain relevant and trustworthy.

The Vetted Score: six weighted factors

Customer sentiment25%
Rating quality20%
Review volume & velocity20%
Website trust signals15%
Service breadth10%
Business longevity10%

Sentiment is measured by AI analysis of review text, recency-weighted, with verified-pattern checks to discount suspicious review bursts.

Full reviews

The rankings · in order
1
★ Editor's Choice

Midas

★★★★★4.8(1,810 reviews)
96Score

Midas stands out with a stellar rating of 4.8 from 1,810 reviews. Customers praise their quick service and knowledgeable staff, making it an excellent choice for reliable smog checks. However, some users report higher prices compared to competitors, so it may not be the best option for budget-conscious individuals. A review base that deep is hard to game, and the score barely moves across it, which is the clearest consistency signal we track. Most of what reviewers hire it for is reliable service and customer care. It serves San Antonio and surrounding areas, with $20 to $50 pricing, and the honest trade-offs are higher pricing and limited discounts.

Pros

  • Highly rated customer service
  • Quick turnaround
  • Multiple locations

Cons

  • Higher pricing
  • Limited discounts
Best forReliable service and customer care
Service areaSan Antonio and surrounding areas
Typical pricing$20 to $50
2
Best Value

MD Automotive

★★★★★4.8(1,060 reviews)
95Score

MD Automotive also boasts a 4.8 rating with 1,060 reviews, highlighting their friendly staff and efficient service. Customers appreciate the value offered, making it a great choice for those seeking quality without breaking the bank. However, some reviews mention occasional long wait times during peak hours. A review base that deep is hard to game, and the score barely moves across it, which is the clearest consistency signal we track. Most of what reviewers hire it for is affordable smog checks. It serves San Antonio area, with $20 to $50 pricing, and the honest trade-offs are possible wait times and limited hours.

Pros

  • Great value for money
  • Friendly staff
  • Efficient service

Cons

  • Possible wait times
  • Limited hours
Best forAffordable smog checks
Service areaSan Antonio area
Typical pricing$20 to $50
3
Most Reviewed

Mr. Mechanic & Tire Muffler Shop

★★★★★4.8(578 reviews)
94Score

Mr. Mechanic & Tire Muffler Shop holds a solid 4.8 rating from 578 reviews. Customers commend their thorough inspections and knowledgeable mechanics, making it a reliable choice for smog checks. Nonetheless, some have reported issues with communication, particularly during busy times. A review base that deep is hard to game, and the score barely moves across it, which is the clearest consistency signal we track. Most of what reviewers hire it for is thorough inspections and mechanical expertise. It serves San Antonio and nearby areas, with $20 to $50 pricing, and the honest trade-offs are communication issues and can be busy.

Pros

  • Thorough inspections
  • Knowledgeable staff
  • Good customer service

Cons

  • Communication issues
  • Can be busy
Best forThorough inspections and mechanical expertise
Service areaSan Antonio and nearby areas
Typical pricing$20 to $50
4

Auto Service Experts

★★★★★4.6(328 reviews)
91Score

Auto Service Experts has a rating of 4.6 from 328 reviews, with many appreciating their honest assessments and prompt service. They are well-regarded for general automotive work as well. However, some customers mention that the facility could use some updates for a better experience. A review base that deep is hard to game, and the score barely moves across it, which is the clearest consistency signal we track. Most of what reviewers hire it for is honest assessments and prompt service. It serves San Antonio, with $20 to $50 pricing, and the honest trade-offs are outdated facility and limited parking.

Pros

  • Honest service
  • Prompt inspections
  • General automotive services

Cons

  • Outdated facility
  • Limited parking
Best forHonest assessments and prompt service
Service areaSan Antonio
Typical pricing$20 to $50
5

Intertek Carnot Emission Services

★★★★★4.8(10 reviews)
90Score

Intertek Carnot Emission Services has a perfect 4.8 rating from just 10 reviews, indicating a promising but unproven reputation. Customers appreciate their specialized focus on emissions testing. However, the small number of reviews raises concerns about the consistency of their service. The review base is still thin, so we read the rating as promising rather than proven and weighted it accordingly. Most of what reviewers hire it for is specialized emissions testing. It serves San Antonio, with $20 to $50 pricing, and the honest trade-offs are thin review base and limited service history.

Pros

  • Specialized in emissions
  • Good customer service

Cons

  • Thin review base
  • Limited service history
Best forSpecialized emissions testing
Service areaSan Antonio
Typical pricing$20 to $50
6

Texas State Inspection

★★★★★4.2(163 reviews)
84Score

Texas State Inspection has a rating of 4.2 based on 163 reviews. Many customers appreciate the quick service and knowledgeable staff. However, some reviews indicate that the facility can be crowded, which might lead to longer wait times. That is a substantial body of feedback for a local operator, enough to trust the rating rather than credit a lucky streak. Most of what reviewers hire it for is quick inspections. It serves San Antonio, with $20 to $50 pricing, and the honest trade-offs are crowded facility and inconsistent wait times.

Pros

  • Quick service
  • Knowledgeable staff

Cons

  • Crowded facility
  • Inconsistent wait times
Best forQuick inspections
Service areaSan Antonio
Typical pricing$20 to $50
7

Due Now - Official Inspection Station #3

★★★★★3.3(429 reviews)
80Score

Due Now - Official Inspection Station #3 has a 3.3 rating from 429 reviews. Customers note that while the pricing is competitive, the service quality can be hit or miss. Some users reported dissatisfaction with the wait times and the thoroughness of inspections. A review base that deep is hard to game, and the score barely moves across it, which is the clearest consistency signal we track. Most of what reviewers hire it for is budget-friendly inspections. It serves San Antonio, with $20 to $50 pricing, and the honest trade-offs are variable service quality and long wait times reported.

Pros

  • Competitive pricing
  • Multiple locations

Cons

  • Variable service quality
  • Long wait times reported
Best forBudget-friendly inspections
Service areaSan Antonio
Typical pricing$20 to $50
8

Due Now Official Inspection Station #9

★★★★★3.1(535 reviews)
78Score

Due Now Official Inspection Station #9 holds a 3.1 rating from 535 reviews. While some customers appreciate the low prices, many express concerns about the quality of service and long wait times. This station may be best for those looking solely for budget options, but expect potential service issues. A review base that deep is hard to game, and the score barely moves across it, which is the clearest consistency signal we track. Most of what reviewers hire it for is low-cost options. It serves San Antonio, with $20 to $50 pricing, and the honest trade-offs are quality concerns and long wait times.

Pros

  • Low prices
  • Convenient locations

Cons

  • Quality concerns
  • Long wait times
Best forLow-cost options
Service areaSan Antonio
Typical pricing$20 to $50
Before you book

How to choose a smog check station in San Antonio

Choosing the right smog check station can make a difference in both service quality and cost. Here are some factors to consider when selecting a station.

Reputation

Look for stations with high ratings and positive reviews to ensure reliability.

Pricing

Compare prices among different stations to find the best value for your smog check.

Location

Choose a station that is conveniently located to save time and effort.

Service Options

Some stations offer additional services, which can provide added convenience.

What it costs

What smog checks cost in San Antonio

The cost of smog checks in San Antonio can vary based on the station and any additional services offered. Here’s a general pricing guide.

Basic Smog Check$20 to $50 depending on the station.
Smog Check with Additional Services$50 to $100, including inspections or minor repairs.
Fleet ServicesSpecial rates may apply for businesses needing multiple vehicles checked.
Same-Day ServiceSome stations offer expedited service for an additional fee.

Frequently asked questions

How much does a smog check cost in San Antonio?

Typically, smog checks range from $20 to $50, depending on the station and any additional services.

What should I bring for a smog check?

Bring your vehicle registration and proof of insurance. Some stations may also require your driver's license.

How often is this ranking updated?

We re-run the full analysis monthly with fresh review data. Last updated June 13, 2026.

Our verdict

For most San Antonio drivers: Midas

For those seeking the best smog check experience in San Antonio, Midas is the clear choice, offering reliability and customer satisfaction. Close contenders include MD Automotive, known for its value, and Mr. Mechanic & Tire Muffler Shop, praised for thorough inspections.