10+ Years · Ontario
Experienced Auto Mechanics in Ontario, CA
Experience matters. These auto mechanics in Ontario have years of proven work behind them — and the reviews to back it up.
As of June 2026, RatingsNearMe ranks 20 auto mechanics in Ontario, CA by the RNM Score — a 0–100 rating built from Google ratings, review volume, sentiment, and profile completeness. The top-ranked is Lupe's Auto with a 4.9-star rating from 557 Google reviews and an RNM Score of 98/100. Also in the top tier: Brian's Automotive Repair - Best Auto Repair Service in Ontario Ca and Martinez & Son Auto Repair. The average rating across all listed auto mechanics in Ontario is 4.7 stars from 113 reviews per business on average.
Auto repair in Ontario: $75–$150/hr labor rate. Oil changes $40–$100; brake jobs $200–$600; transmission repair $1,500–$4,000+.
Rankings updated June 10, 2026 · RNM Score = ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · Not paid placement.
Mechanics in Ontario, CA offer a range of auto repair and maintenance services to local residents. Consumers can find mechanics specializing in Japanese imports, general auto repair, and oil changes. When searching for a mechanic in Ontario, it's important to consider factors like expertise, customer reviews, and pricing.
- ✓Wide selection of mechanics in Ontario, CA
- ✓Services include repair, maintenance, and oil changes
- ✓Look for mechanics with expertise in specific makes/models
Best Overall
Lupe's Auto
Lupe's Auto is consistently top-ranked for its reliable service, fair pricing, and strong reputation among Ontario customers.
Most Reviewed
Brian's Automotive Repair - Best Auto Repair Service in Ontario Ca
A high review count indicates a broad base of customer trust and experience, making it a dependable choice for many drivers.
When choosing a mechanic in Ontario, consider both overall reputation and the number of reviews to gauge reliability; visiting the shop in person can also help assess professionalism and communication.
How to Choose a Auto Mechanic in Ontario
What to look for
- • Mechanics with experience working on your specific make and model of vehicle
- • Mechanics certified by the Automotive Service Excellence (ASE) or licensed by the Ontario Ministry of Transportation
- • Mechanics who use high-quality parts and tools
- • Mechanics with a clean, organized, and well-equipped workshop
Questions to ask
- • How long have you been working as a mechanic?
- • What specific training or certifications do you have?
- • Do you have experience working on my make and model of vehicle?
Red flags
- ⚠ Mechanics who cannot provide references or reviews from previous customers
- ⚠ Mechanics who pressure you to approve unnecessary repairs
- ⚠ Mechanics who do not provide a detailed estimate or invoice for the work
In Ontario, mechanics are required to be licensed by the Ontario Ministry of Transportation. It's important to verify a mechanic's license and ensure they have the necessary insurance coverage to protect your vehicle and your safety.
Local Market Snapshot
20
Businesses listed
4.7★
Avg rating
113
Avg reviews
Jun 10, 2026
Last updated
Top Rated Auto Mechanics
Top-rated Ontario mechanic with 4.9 stars from over 500 reviews.
400 W Holt Blvd, Ontario, CA 91762, USATrusted by hundreds of local customers, earning a strong 4.7-star rating.
120 S Plum Ave, Ontario, CA 91761, USATrusted by hundreds of local customers, with a strong 4.7-star average rating.
1720 S Grove Ave # B, Ontario, CA 91761, USAAuto Mechanics Rankings in Ontario, CA
| # | Business | Rating | Reviews |
|---|---|---|---|
| #1 | Lupe's Auto400 W Holt Blvd, Ontario, CA 91762, USA | 4.9★ | 557 |
| #2 | Brian's Automotive Repair - Best Auto Repair Service in Ontario Ca120 S Plum Ave, Ontario, CA 91761, USA | 4.7★ | 165 |
| #3 | Martinez & Son Auto Repair1720 S Grove Ave # B, Ontario, CA 91761, USA | 4.7★ | 146 |
| #4 | Ontario Auto Repair111 W California St, Ontario, CA 91762, USA | 4.5★ | 13 |
| #5 | J D Complete Auto Repair5490 W Mission Blvd STE E, Ontario, CA 91762, USA | 4.3★ | 100 |
| #6 | C & C AUTOMOTIVE949 W State St UNIT F Unit F, Ontario, CA 91762, USA | 4.8★ | 52 |
| #7 | Ontario Japan Auto2215 E 4th St, Ontario, CA 91764, USA | 4.8★ | 32 |
| #8 | J And C Auto Repair806 E State St, Ontario, CA 91761, USA | 4.7★ | 26 |
| #9 | Grease Monkey Automotive Repair1409 W Holt Blvd, Ontario, CA 91762, USA | 4.4★ | 25 |
| #10 | Moreno's Auto Repair LLC527 E Holt Blvd, Ontario, CA 91761, USA | 4.6★ | 279 |
Ranked by verified ratings & review volume · Data from Google Business listings · Updated June 2026
All Auto Mechanics in Ontario
Highly rated mechanic with a 4.5-star average from 13 Google reviews.
111 W California St, Ontario, CA 91762, USA
Trusted Ontario mechanic with a solid 4.3-star rating from hundreds of reviews.
5490 W Mission Blvd STE E, Ontario, CA 91762, USA
Trusted by locals with a 4.8-star rating from 52 reviews.
949 W State St UNIT F Unit F, Ontario, CA 91762, USA
Trusted Ontario mechanic with a 4.8-star rating from 32 reviews.
2215 E 4th St, Ontario, CA 91764, USA
Trusted local mechanic with a strong 4.7-star rating from 26 reviews.
806 E State St, Ontario, CA 91761, USA
Trusted local mechanic with a solid 4.4-star rating from over 20 reviews.
1409 W Holt Blvd, Ontario, CA 91762, USA
279 Google reviews give this Ontario mechanic a strong 4.6-star rating.
527 E Holt Blvd, Ontario, CA 91761, USA
Trusted Ontario mechanic with 4.5 stars from 71 Google reviews.
504 W Holt Blvd, Ontario, CA 91762, USA
Trusted by locals with a strong 4.7-star rating from 59 reviews.
628 S Bon View Ave, Ontario, CA 91761, USA
Trusted by hundreds of customers, this Ontario mechanic holds a 4.8-star average rating.
803 E Holt Blvd, Ontario, CA 91764, USA
Top-rated mechanic in Ontario, CA with a perfect 4.9-star average from 20 Google reviews.
328 E California St, Ontario, CA 91761, USA
Hundreds of Google reviews average 4.6 stars, reflecting trusted auto service.
157 N Mountain Ave, Ontario, CA 91762, USA
Trusted by local drivers, this Ontario mechanic holds a 4.9-star rating from 62 reviews.
11075 Central Ave A3, Ontario, CA 91762, USA
Trusted Ontario mechanic with a strong 4.6-star rating from 9 reviews.
2331 S Baker Ave, Ontario, CA 91761, USA
Trusted mechanic in Ontario, CA with a 4.8-star rating from over 300 reviews.
9311 E 9th St, Rancho Cucamonga, CA 91730, USA
Trusted Ontario mechanic with 4.5 stars from over 30 Google reviews.
619 E Belmont St, Ontario, CA 91761, USA
Trusted mechanic with 4.8 stars from 29 Google reviews in Ontario, CA.
1113 W Holt Blvd c1, Ontario, CA 91762, USA
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Auto Mechanics in Ontario, CA — Compared
| # | Business | RNM Score | Rating | Reviews |
|---|---|---|---|---|
| 1 | Lupe's Auto | 98/100 | 4.9 ★ | 557 |
| 2 | Brian's Automotive Repair - Best Auto Repair Service in Ontario Ca | 93/100 | 4.7 ★ | 165 |
| 3 | Martinez & Son Auto Repair | 92/100 | 4.7 ★ | 146 |
| 4 | Ontario Auto Repair | 64/100 | 4.5 ★ | 13 |
| 5 | J D Complete Auto Repair | 83/100 | 4.3 ★ | 100 |
| 6 | C & C AUTOMOTIVE | 88/100 | 4.8 ★ | 52 |
| 7 | Ontario Japan Auto | 74/100 | 4.8 ★ | 32 |
| 8 | J And C Auto Repair | 71/100 | 4.7 ★ | 26 |
| 9 | Grease Monkey Automotive Repair | 66/100 | 4.4 ★ | 25 |
| 10 | Moreno's Auto Repair LLC | 82/100 | 4.6 ★ | 279 |
Ranked by RatingsNearMe Score · ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · June 2026
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Frequently Asked Questions — Auto Mechanics in Ontario
How do I find the best auto mechanics in Ontario?
Look for businesses with 4.5+ stars, 50+ verified reviews, proper licensing and insurance, and transparent pricing. The top-ranked auto mechanics in Ontario on this page are scored by our algorithm that weighs ratings, review count, and profile completeness.
Are auto mechanics in Ontario licensed and insured?
Licensing requirements vary by trade and state. For most home service contractors, CA requires both a state license and liability insurance. Always ask any contractor for proof of current insurance and a copy of their license number before work begins — you can verify most licenses on your state licensing board's website.
How much do auto mechanics charge in Ontario, CA?
Prices vary by scope, materials, and contractor experience. Use the free quote form on this page to request estimates from multiple local pros simultaneously. Getting 3+ quotes is the single most effective way to avoid overpaying.
What should I look for when hiring a auto mechanics in Ontario?
Verify licensing and insurance, read recent reviews on multiple platforms, ask for a written estimate before work starts, confirm they pull permits when required, and check references from recent local projects. Featured businesses on this page are ranked by verified ratings and review quality.
How are the auto mechanics on this page ranked?
Rankings use a transparent algorithm: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Featured Partner listings have paid for enhanced visibility but must still earn their position through real customer reviews — sponsored listings are clearly labeled.
Auto Mechanics in Nearby Cities
Compare top-rated auto mechanics in cities near you.
How Rankings Work on This Page
Every auto mechanics on RatingsNearMe is scored transparently: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Businesses labeled exclusive or premium are Featured Partners — they have paid for enhanced visibility but must still rank through real customer reviews. We cap sponsored boosts so bad businesses can never buy the top spot.
Editorial notice: Ratings are based on publicly available data from Google Business listings. Consumers should independently verify licensing, insurance, and credentials before hiring any service provider. Last updated: June 10, 2026.
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