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M3 Monagan Miller McCreary Insurance Agency is your trusted independent insurance agency across all of California, including Tracy, Manteca, Danville, San Ramon, Dublin, Pleasanton, Livermore, the Bay Area and Central Valley.

Your family, your business and your possessions are all important to you, but you may not know how to best protect them. We have the experience to navigate the unique risks you face, serving as your insurance advisor.

What Sets us Apart


As an independent insurance agency we have great relationships with many well-known, reputable insurance companies, giving you the power of choice.


Our insurance advisors have years of experience in the insurance industry and serve as your advocate from selecting coverage through filing a claim.


Our insurance advisors have a strong passion for insurance and protecting what you value most in business and in life. We treat our customers like family.

About Our Agency

Welcome to the M3 Monagan Miller McCreary Insurance Customer Convenience Website. Here at M3 Insurance, we work for you; and that’s exactly why we built this website. We want to make it as easy as possible for you to tell us your specific needs, and we promise to do our best job for you.

At M3 Insurance, we work with a wide variety of individuals and businesses throughout California, specializing in Auto Insurance, Home Insurance, Landlord Rental Property Insurance, Real Estate Investor Insurance, Commercial Property Insurance and Workers’ Compensation Insurance.

Since 1956, M3 Insurance has been dedicated to top-quality service, competitive prices and attention to detail in order to make sure we take care of your insurance needs. Being an Independent Agency means we aren’t tied down to one insurance provider, we can do the “dirty work” of shopping around to determine the very best company, coverage and price for your individual needs.

Whether you need Business, Auto, Home, Life or any of our specialized program insurance, M3 Insurance has a team of insurance professionals dedicated to putting the customer first, and we’ve taken that one step further with this website. Take a look around; you’ll see that everything is right here for you to take care of your changing insurance needs.

M3 Insurance is affiliated with a few insurance networks including United Valley Insurance Services, Trusted Choice Independent Agents as well as National Society of Agents for Consumer Educations. These partnerships help our agency stay up to date on current trends to better serve you, your family and your business. We are also a member of the the California Farm Bureau Federation.

And, as always, feel free to give us a call at 1-800-830-6656 or email with any questions or concerns. Either way, we look forward to helping you. You are the reason we’re in business, and you are appreciated.

At M3 Monagan Miller McCreary Insurance Agency, we work every day according to our Core Business Values and Client Expectations.

Core Values

M3 Monagan Miller McCreary Insurance Agency will deal with all customers, agencies and companies whether current or prospective, honestly, fairly and with integrity.

  • We will tell the truth.
  • We will decide all issues upon merit.
  • We will treat member agencies equally in the processing of business and in the administration of standards.
  • We will not manipulate financial information, accounts or commissions.
  • We will completely and accurately portray the prospective insured in all of our submissions.
  • We will maintain a high standard of technical ability in order to properly serve our customers.
  • We will disclose all pertinent information where there is a duty to do so.
  • We will treat all people equally, without regard to race, religion, gender or national origin.
  • We will not seek an insurance quote, bid or illustration that is intentionally higher and less favorable to our customer or prospective customer, than those proposed by other insurance companies.
  • We will not withhold or limit the receipt or presentation of insurance quotes, bids or illustrations sought on behalf of a customer, or prospective customer, in a manner which is contrary to the interests of the customer.

Member Of:

14 Client Expectations of their Agent

  • Be responsive to me
  • Dialogue with me
  • Don’t let me be surprised
  • Share in my life cycle
  • Teach me
  • Worry for me
  • Speak to me in my own language
  • Give me something new
  • Anticipate my needs
  • Honor my time
  • Treat me with respect
  • Invite me to participate
  • Level with me
  • Have knowledgeable employees

United Valley Partnership

M3 Insurance is a member of United Valley Insurance Services, Inc. Ranked in the Top 100 of privately held insurance agencies in the country by Insurance Journal since 2009, we have an exclusive network of 82 independently owned & operated insurance agencies with 119 storefronts in California, Arizona and Nevada. Our members sell and service over one billion in total premium volume and have access to more than 60 insurance carriers countrywide. We support our members with leading edge technology, high quality programs and exclusive marketing and risk management services, which helps our members provide their clients with best in class insurance products and services.

At M3 Monagan Miller McCreary Insurance Agency, our mission is very simple. We strive to provide a true, concierge client experience which is unique in the insurance industry. We give clients the power of choice from top-rated national and regional insurance carriers. We offer comprehensive insurance solutions across all of California, including Tracy, Manteca, Danville, San Ramon, Dublin, Pleasanton, Livermore, the Bay Area and Central Valley.
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