Best Mesothelioma Lawyers in Ontario, CA

When you need mesothelioma lawyers in Ontario right now, you want a shortlist of proven firms, not a guessing game. The 10 companies ranked here carry an average of 4.9 stars across 1,668 combined Google reviews, making them the most trusted local options in Ontario and the surrounding San Bernardino County area. Submit one free quote request in a single step and up to 3 of these top-rated firms will respond directly to you, no account required.

Get Free Quotes
100% free, no account needed At most 3 pros see your request; never resold Only top-rated local companies
Updated August 15, 2026Free same-day quotesCompare top-rated pros, pay the right price

Top 10 Mesothelioma Lawyers Companies in Ontario, CA (August 2026)

Ranked by each company's live Google standing, refreshed by Smarfle. Verified partners are labeled; the order is never sold.

1

Heidari Law Group | Ontario

5.0(44 reviews)Personal injury attorney· Employment attorney· Law firm
3200 E Guasti Rd Ste 100, Ontario, CA 91761
100% 5-star

Is this your business? Claim this profile

2

Valiant Law

4.7(80 reviews)Employment attorney· Labor relations attorney· Law firm
800 Ferrari Ln #100, Ontario, CA 91764
90% 5-star

Is this your business? Claim this profile

3

Jacoby & Meyers Accident & Injury Lawyers - Ontario

4.6(314 reviews)Personal injury attorney· Law firm· Trial attorney
3200 E Guasti Rd #100, Ontario, CA 91761
88% 5-star

Is this your business? Claim this profile

4

Moet Law Group

5.0(65 reviews)Personal injury attorney· Civil law attorney· Elder law attorney
3400 Inland Empire Blvd Ste 101A, Ontario, CA 91764
98% 5-star

Is this your business? Claim this profile

5

Oracle Law Firm | Accident & Injury Attorneys

4.8(208 reviews)Personal injury attorney· Employment attorney· Law firm
3200 E Guasti Rd #100, Ontario, CA 91761
95% 5-star

Is this your business? Claim this profile

6

BANDERAS LAW, PC

4.9(643 reviews)Personal injury attorney· Attorney· Trial attorney
3401 N Centre Lake Dr #470, Ontario, CA 91761
98% 5-star

Is this your business? Claim this profile

7

Pérez Law, PC | Injury & Employment Lawyers

4.9(181 reviews)Personal injury attorney· Civil law attorney· Employment attorney
822 N Euclid Ave, Ontario, CA 91762
94% 5-star

Is this your business? Claim this profile

8

Gonzales Law Offices - Attorney Mark Gonzales

4.9(31 reviews)Personal injury attorney· Law firm· Attorney
500 East E Street Suite 407, Ontario, CA 91764
97% 5-star

Is this your business? Claim this profile

9

Amicus Legal Group – Ontario Car Accident and Personal Injury Attorneys

5.0(67 reviews)Personal injury attorney· Law firm· Attorney
800 N Haven Ave #205, Ontario, CA 91764
99% 5-star

Is this your business? Claim this profile

10

i Accident Lawyer

5.0(35 reviews)Personal injury attorney
4045 E Guasti Rd #216B, Ontario, CA 91761
100% 5-star

Is this your business? Claim this profile

Pin numbers match the ranking above. Tap a pin for details.

Ratings and review counts come from Google Maps and change over time; this page reflects the most recent sync (August 15, 2026).

Get free mesothelioma lawyers quotes in Ontario

1

Tell us what you need

Two taps and your contact info. No account, no spam.

2

Get matched

Our team matches you with a top-rated mesothelioma lawyers pro in Ontario.

3

They reach out fast

You hear back fast, typically the same day.

Tell us what you need. We match you with a top-rated local pro, free.

By submitting, you agree that Smarfle and up to 3 matched local businesses may contact you by phone, text, or email about your request. Message and data rates may apply. Free for you; no obligation to hire.

Run a mesothelioma lawyers business in Ontario?

Customers on this page are requesting quotes. Claim your profile free, or turn on leads and get their requests by text the moment they arrive.

Add your business free

Pay per lead, never per month

No subscription required to receive leads. Exact per-lead pricing is shown in your account before you turn anything on; shared requests go to at most 3 pros, or take them exclusively.

Free verified profile

Claiming costs nothing: a Verified badge, your website linked on your card, and real activity signals from your account.

Fair by design

Duplicates and your existing customers are always free, and you can dispute any lead within 30 days.

How we rank mesothelioma lawyers companies

Live Google standing

Positions mirror each company's current Google Maps performance for local searches: star rating, review volume, and prominence.

Refreshed, not frozen

We re-sync the data regularly. When a company's rating moves on Google, it moves here too, and we mark the companies that climbed or are new since our last check.

Clear labels

Smarfle Partner badges mark businesses that run on our platform. Featured placements, when present, are always labeled.

What does mesothelioma lawyers cost?

What moves the price

  • Fee structure: hourly, flat fee per matter, or contingency, which changes everything about the total.
  • The lawyer's experience and whether the matter is contested.
  • Court filing fees and costs, which are normally on top of the fee.
  • Retainer size and how unused retainer is handled.

Ask each company to confirm these in writing before work starts. One free request above reaches up to three of them at once.

Licenses and credentials to verify

  • Active bar admission in your state; every state bar lists status AND discipline history online, free.
  • Board certification exists in some specialties (trial law, family law) in states like TX and FL; it is earned, not bought.

License requirements vary by state; your state's licensing board lists status and discipline history online, free.

How to choose a mesothelioma lawyers company in Ontario

When comparing mesothelioma lawyers in Ontario, confirm that any firm you consider holds an active California State Bar license and check their discipline history free on the State Bar's public website before signing anything. Because asbestos exposure cases often involve multiple defendants and long latency periods, ask each firm directly how many mesothelioma cases they have handled in San Bernardino County and what their case communication process looks like.

  • Most reputable attorneys offer a free or low-cost initial consultation. Talk to two or three before committing; how clearly they explain your options tells you a lot.
  • Understand the fee structure before signing: contingency (they take a percentage if you win, common in injury cases), hourly, or flat fee. Get it in writing.
  • Verify the attorney is in good standing with your state bar association; the bar's website lists any disciplinary history for free.
  • Local experience matters: an attorney who regularly appears before your county's courts knows the judges, prosecutors, and procedures that shape outcomes.

Frequently asked questions

How does a mesothelioma law firm get ranked on this Ontario page?

Rankings mirror each firm's live Google Maps standing, factoring in rating, review volume, and local prominence. No firm can pay for a higher spot. The strongest first move is building a solid Google Business Profile. From there, any firm can join Smarfle free, claim a verified profile, and start receiving quote requests directly from this page.

Can I actually reach one of these firms after hours or on a weekend?

Nine of the 10 firms listed here publish weekend hours and nine also list 24-hour availability on their Google profiles, which is notably broad coverage for a specialty this serious. That said, exact scheduling depends on each firm, so sending one quote request to up to 3 of them at once gives you the fastest path to a real response.

Is it smarter to call one mesothelioma lawyer directly or send a single request to several at once?

Calling one firm directly gets you into that firm's intake process immediately, which works well if you already have a strong preference. Sending a single request here reaches up to 3 of Ontario's top-rated firms at once, letting you compare how quickly each responds and what they offer before committing to anyone. For a case this consequential, comparing at least two or three responses is worth the extra few minutes.

Which mesothelioma law firm is currently rated highest near Ontario?

Heidari Law Group Ontario holds the top spot right now with a perfect 5.0-star rating across 44 Google reviews. Moet Law Group also carries a 5.0 rating with 65 reviews, and Oracle Law Firm sits at 4.8 stars with 208 reviews. These standings shift as new reviews come in, so comparing two or three quotes from current leaders is always the right move.

What does it typically cost to hire a mesothelioma lawyer in this area?

No standard price applies here because mesothelioma cases vary widely in complexity, the defendants involved, and the compensation being pursued. Most firms in this field work on contingency, meaning fees come out of any recovery rather than upfront, but the exact structure differs by firm. One free quote request to firms like Jacoby and Meyers or Valiant Law will get you specific terms fast.

How do I weigh a perfect 5-star rating with fewer reviews against a lower rating backed by hundreds of reviews?

Both data points matter. Heidari Law Group Ontario's 5.0 across 44 reviews shows consistent client satisfaction, while Jacoby and Meyers Ontario's 4.6 across 314 reviews reflects a much larger sample of real cases. A high rating with fewer reviews can reflect a boutique practice, while hundreds of reviews reduce the chance that a few outliers are skewing the score. Looking at both together gives you a fuller picture.

How do I get my mesothelioma lawyers business listed here?

This list is built from live Google Maps data, so a strong Google Business Profile is the first step. Mesothelioma Lawyers businesses in Ontario can also join Smarfle to manage reviews, respond to leads instantly, and appear with a verified profile.