24/7 Available · Ontario
24-Hour Locksmiths in Ontario, CA — Always Available
Emergencies don't keep business hours. These locksmiths in Ontario are available 24 hours a day, 7 days a week — including holidays.
As of May 2026, RatingsNearMe ranks 10 locksmiths in Ontario, CA by verified customer ratings and review volume. The highest-rated is Lock and Roll Locksmith with a 5.0-star rating from 97 verified reviews. Also in the top tier: Jack's Key Service and Abc Locksmiths Inc. The average rating across all listed locksmiths in Ontario is 4.8 stars from 61 reviews per business on average.
Locksmith services in Ontario: lockout service $75–$200; rekeying $100–$250; lock installation $150–$400.
Rankings updated May 17, 2026 · Scored by ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · Not paid placement.
Local Market Snapshot
10
Businesses listed
4.8★
Avg rating
61
Avg reviews
May 17, 2026
Last updated
Top Rated Locksmiths
Lock and Roll Locksmith
11966 Jack Benny Dr Suite #105, Rancho Cucamonga, CA 91739, USA
Abc Locksmiths Inc
9684 Foothill Blvd, Rancho Cucamonga, CA 91730, USA
Locksmiths Rankings in Ontario, CA
| # | Business | Rating | Reviews |
|---|---|---|---|
| #1 | Lock and Roll Locksmith11966 Jack Benny Dr Suite #105, Rancho Cucamonga, CA 91739, USA | 5.0★ | 97 |
| #2 | Jack's Key Service1647 W Foothill Blvd, Upland, CA 91786, USA | 4.6★ | 103 |
| #3 | Abc Locksmiths Inc9684 Foothill Blvd, Rancho Cucamonga, CA 91730, USA | 4.8★ | 47 |
| #4 | RBM Lock And Key Service2235 E 4th St suite b, Ontario, CA 91764, USA | 4.5★ | 46 |
| #5 | McGuire's Lock & Key925 N Del Norte Ave, Ontario, CA 91764, USA | 5.0★ | 9 |
| #6 | Keys 4 Less Today LLC1042 W Bennington St, Upland, CA 91786, USA | 4.7★ | 34 |
| #7 | KeyMe Locksmiths2246 S Euclid Ave, Ontario, CA 91762, USA | 4.8★ | 4 |
| #8 | Express Auto Locksmith1 Mills Cir unit 119, Ontario, CA 91764, USA | 5.0★ | 46 |
| #9 | American Lock & Key7621 Waterbury Pl, Rancho Cucamonga, CA 91730, USA | 4.6★ | 23 |
| #10 | Juan's Locksmith14818 Arrow Route #6, Fontana, CA 92335, USA | 4.5★ | 200 |
Ranked by verified ratings & review volume · Data from Google Business listings · Updated May 2026
All Locksmiths in Ontario
RBM Lock And Key Service
2235 E 4th St suite b, Ontario, CA 91764, USA
Keys 4 Less Today LLC
1042 W Bennington St, Upland, CA 91786, USA
Express Auto Locksmith
1 Mills Cir unit 119, Ontario, CA 91764, USA
American Lock & Key
7621 Waterbury Pl, Rancho Cucamonga, CA 91730, USA
Juan's Locksmith
14818 Arrow Route #6, Fontana, CA 92335, USA
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Frequently Asked Questions — Locksmiths in Ontario
How do I find the best locksmiths in Ontario?
Look for businesses with 4.5+ stars, 50+ verified reviews, proper licensing and insurance, and transparent pricing. The top-ranked locksmiths in Ontario on this page are scored by our algorithm that weighs ratings, review count, and profile completeness.
Are locksmiths 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 locksmiths 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 locksmiths 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 locksmiths 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.
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How Rankings Work on This Page
Every locksmiths 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: May 17, 2026.
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