# Best transmission repair shops in Harris County

Data as of November 11, 2026. 12 shops, each scored out of 100 on review cadence, review sentiment, stated capabilities and years of experience. How the ranking works: [method](https://bestautorepairshops.com/method/) (markdown: https://bestautorepairshops.com/method/index.md).

| # | Shop | Neighbourhood | Known for | Score |
|---|---|---|---|---|
| 1 | [Duncan's Garage Mobile Mechanic](https://bestautorepairshops.com/houston/duncans-garage-mobile-mechanic/) | Harris County | Transmission repair, Air conditioning repair, Engine diagnostics | 53/100 |
| 2 | [Sam's 24/7 Mobile mechanic & Roadside](https://bestautorepairshops.com/houston/sams-24-7-mobile-mechanic-and-roadside/) | Harris County | Collision repair, Wheel alignment, Tire service | 50/100 |
| 3 | [Top Tech Mobile - Mobile Mechanic The Woodlands, Kingwood, and Montgomery County TX](https://bestautorepairshops.com/houston/top-tech-mobile-mobile-mechanic-the-woodlands-kingwood-and-montgomery-county-tx/) | Harris County | ASE certified technicians, Tire service, Transmission repair | 46/100 |
| 4 | [Auto One Mobile Mechanic](https://bestautorepairshops.com/houston/auto-one-mobile-mechanic/) | Harris County | ASE certified technicians, State inspection, Transmission repair | 31/100 |
| 5 | [Houston's Best Mobile Mechanic](https://bestautorepairshops.com/houston/houstons-best-mobile-mechanic/) | Harris County | ASE certified technicians, Diesel repair, Warranty on repairs | 27/100 |
| 6 | [Brandyn's Mobile Mechanic and Roadside Assistance](https://bestautorepairshops.com/houston/brandyns-mobile-mechanic-and-roadside-assistance/) | Harris County | Wheel alignment, Transmission repair, Brake repair | 25/100 |
| 7 | [AIM's Mobile Mechanic](https://bestautorepairshops.com/houston/aims-mobile-mechanic/) | Harris County | Transmission repair, Engine diagnostics, Brake repair | 19/100 |
| 8 | [Baytown Texas Mobile Mechanics](https://bestautorepairshops.com/houston/baytown-texas-mobile-mechanics/) | Harris County | Wheel alignment, Transmission repair, Air conditioning repair | 17/100 |
| 9 | [DW auto care](https://bestautorepairshops.com/houston/dw-auto-care/) | Harris County | Tire service, Transmission repair, Engine diagnostics | 9/100 |
| 10 | [Desilsauto](https://bestautorepairshops.com/houston/desilsauto/) | Harris County | Diesel repair, State inspection, Transmission repair | 9/100 |
| 11 | [Direct Auto Fix](https://bestautorepairshops.com/houston/direct-auto-fix/) | Harris County | Towing, Transmission repair, Air conditioning repair | 8/100 |
| 12 | [A and J Mobile Mechanics Katy TX](https://bestautorepairshops.com/houston/a-and-j-mobile-mechanics-katy-tx-u-8-18/) | Harris County | Transmission repair, Air conditioning repair, Engine diagnostics | 5/100 |

## 1. [Duncan's Garage Mobile Mechanic](https://bestautorepairshops.com/houston/duncans-garage-mobile-mechanic/)

Harris County · reviewed since at least 2025 · 5.0 rating from 63 reviews

- Review cadence: 25/25
- Review sentiment: 22/25
- Capabilities: 6/25
- Years of experience: 0/25
- Total: 53/100

## 2. [Sam's 24/7 Mobile mechanic & Roadside](https://bestautorepairshops.com/houston/sams-24-7-mobile-mechanic-and-roadside/)

Harris County · since 2000 · 5.0 rating from 8 reviews

- Review cadence: 6/25
- Review sentiment: 9/25
- Capabilities: 10/25
- Years of experience: 25/25
- Total: 50/100

## 3. [Top Tech Mobile - Mobile Mechanic The Woodlands, Kingwood, and Montgomery County TX](https://bestautorepairshops.com/houston/top-tech-mobile-mobile-mechanic-the-woodlands-kingwood-and-montgomery-county-tx/)

Harris County · reviewed since at least 2025 · 5.0 rating from 33 reviews

- Review cadence: 16/25
- Review sentiment: 19/25
- Capabilities: 9/25
- Years of experience: 2/25
- Total: 46/100

## 4. [Auto One Mobile Mechanic](https://bestautorepairshops.com/houston/auto-one-mobile-mechanic/)

Harris County · reviewed since 2018 · 4.3 rating from 38 reviews

- Review cadence: 3/25
- Review sentiment: 7/25
- Capabilities: 8/25
- Years of experience: 13/25
- Total: 31/100

## 5. [Houston's Best Mobile Mechanic](https://bestautorepairshops.com/houston/houstons-best-mobile-mechanic/)

Harris County · reviewed since 2019 · 2.8 rating from 13 reviews

- Review cadence: 0/25
- Review sentiment: 1/25
- Capabilities: 14/25
- Years of experience: 12/25
- Total: 27/100

## 6. [Brandyn's Mobile Mechanic and Roadside Assistance](https://bestautorepairshops.com/houston/brandyns-mobile-mechanic-and-roadside-assistance/)

Harris County · reviewed since 2019 · 3.7 rating from 15 reviews

- Review cadence: 6/25
- Review sentiment: 3/25
- Capabilities: 5/25
- Years of experience: 11/25
- Total: 25/100

## 7. [AIM's Mobile Mechanic](https://bestautorepairshops.com/houston/aims-mobile-mechanic/)

Harris County · reviewed since 2023 · 5.0 rating from 9 reviews

- Review cadence: 0/25
- Review sentiment: 8/25
- Capabilities: 5/25
- Years of experience: 6/25
- Total: 19/100

## 8. [Baytown Texas Mobile Mechanics](https://bestautorepairshops.com/houston/baytown-texas-mobile-mechanics/)

Harris County · reviewed since 2026 · 5.0 rating from 3 reviews

- Review cadence: 4/25
- Review sentiment: 5/25
- Capabilities: 8/25
- Years of experience: 0/25
- Total: 17/100

## 9. [DW auto care](https://bestautorepairshops.com/houston/dw-auto-care/)

Harris County · reviewed since 2025 · 5.0 rating from 1 review

- Review cadence: 0/25
- Review sentiment: 1/25
- Capabilities: 6/25
- Years of experience: 2/25
- Total: 9/100

## 10. [Desilsauto](https://bestautorepairshops.com/houston/desilsauto/)

Harris County

- Review cadence: 0/25
- Review sentiment: 0/25
- Capabilities: 9/25
- Years of experience: 0/25
- Total: 9/100

## 11. [Direct Auto Fix](https://bestautorepairshops.com/houston/direct-auto-fix/)

Harris County

- Review cadence: 0/25
- Review sentiment: 0/25
- Capabilities: 8/25
- Years of experience: 0/25
- Total: 8/100

## 12. [A and J Mobile Mechanics Katy TX](https://bestautorepairshops.com/houston/a-and-j-mobile-mechanics-katy-tx-u-8-18/)

Harris County

- Review cadence: 0/25
- Review sentiment: 0/25
- Capabilities: 5/25
- Years of experience: 0/25
- Total: 5/100

## Questions

**Which transmission repair shop in Harris County ranks highest?** [Duncan's Garage Mobile Mechanic](https://bestautorepairshops.com/houston/duncans-garage-mobile-mechanic/), with a score of 53 out of 100.

**Which transmission repair shop in Harris County has the most reviews in the last 12 months?** [Duncan's Garage Mobile Mechanic](https://bestautorepairshops.com/houston/duncans-garage-mobile-mechanic/), with 60 reviews in the last 12 months.

**Which transmission repair shop in Harris County has the highest Google rating?** [Duncan's Garage Mobile Mechanic](https://bestautorepairshops.com/houston/duncans-garage-mobile-mechanic/), rated 5.0 from 63 reviews.

**Which transmission repair shop in Harris County has been open the longest?** [Sam's 24/7 Mobile mechanic & Roadside](https://bestautorepairshops.com/houston/sams-24-7-mobile-mechanic-and-roadside/), founded in 2000, going by the year it states itself.

**How many shops does this ranking include?** 12 shops, each scored out of 100 on review cadence, review sentiment, stated capabilities and years of experience.