(210) 695-5075(210) 695-5075
Toll Free
(877) 695-5075(877) 695-5075
(210) 688-7812(210) 688-7812
6603 W Loop 1604 N, Ste 103San Antonio, TX 78254

Office Hours:

9:00 AM - 8:00 PM
9:00 AM - 8:00 PM
9:00 AM - 8:00 PM
9:00 AM - 8:00 PM
9:00 AM - 6:00 PM
9:00 AM - 1:00 PM
Available 24/7 at (210) 695-5075
Other Locations:

About William Cantu - San Antonio Insurance Agent

  • Art
  • Dance
  • Family
  • Fashion
  • Movie Buff
  • Music
  • Outdoor Activities
  • Photography
  • Sports Fan
  • Technology
  • Theater/Stage
  • Travel

Our family has worked closely with Allstate for years to help people with their insurance needs – from homes to auto to boats and more. Our quality, service-oriented agency is not only owned and operated by a family, customers tell us we make them feel like family too.

I’m proud to work with a company who’s been serving satisfied customers for over 80 years. Customers count on outstanding financial strength and superior claims service to help protect what they value most. Allstate delivers on their promise. In fact, their outstanding financial strength and superior claims service received an A+ (Superior) rating by A.M. Best. Quality service, strength and satisfaction – that’s something I’m glad to be a part of.

I’m committed to helping you keep your financial life on track. Not only can I assist you with Allstate’s broad range of financial solutions, I can offer my knowledge to help you achieve your financial goals. That includes planning for your child’s education or planning your retirement.

  • B.A. University of North Texas
  • Awards
  • Honor Ring-2 years
  • National Conference Award-1 years
  • Community Services
  • Boy Scouts of America
  • Fiesta Alegre Inc
  • Youth Alternatives-Roy Maas

Here to Help You

Connect With Us

Meet the Team

John Moore
Personal Financial Representative
John is the Personal Financial Representative. Customers enjoy working with John because of his experience with life insurance and helping you with your retirement.
Herminia (Minnie) Mesa
Officer Manager
Minnie started with The William Cantu Agency on September of 2006, when our office opened, as a telemarketer. She has worked her way up to Office Manager. Minnie speaks English and Spanish. She is very friendly, knowledgeable and the customers enjoy working with her.
  • Some college
  • Property & Casualty
Aaron Thomas Cantu
Customer Service Representative
Aaron has worked for the William Cantu Agency, since 2013 and is one of our Customer Service Representative. He does a great job in taking payments and directing customers to possible missing discounts and making life referrals.
  • Working on Bachelor of Arts
Irma Gutierrez
Senior Sales Producer
Irma Gutierrez has developed great customer service skills since joining the agency almost a decade ago. She completed the Allstate University Program. She is always prepared to help customers take advantage of Allstate's discounts and review their policies for possible gaps. She speaks English and Spanish.
  • Some College
  • Property & Casualty
William Cantu IV
Customer Service Representative
William Cantu IV is great with customers and Allstate product knowledgeable. He is always smiling, when he works and he really enjoys helping customers by reminding them to take advantage of discounts that they may not have.
  • Associates working on Bachelors
Michael Hernandez
Customer Service
Michael Hernandez is a salesman at heart. He is working on getting his license. He is currently providing excellent customer service at our office.
  • Working on Associates

Request An Appointment

Want to request an appointment for a call or visit? Use the calendar to pick the date you'd like to visit and then choose a time. While we can't guarantee agency availability, your request will route to the agency inbox and we'll do our best to accommodate your schedule.
First, select a date:
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Your Insurance, On The Go

Scan your credit card to populate payment info within the app. Access policy information, keep a digital copy of your ID card and enjoy new roadside tools with the Allstate mobile app for iOS and Android.
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Protect What Matters Most

Whether it's your home, your family, your bike or your boat, see how Allstate can help protect the things that matter most to you in life.

Insurance Products & Services

Insurance is unlike any other product out there - you pay for it and hope you never have to use it. And that makes paying more than you need to that much more uncomfortable.

With a policy from Allstate, you can help keep your insurance costs low with the wide variety of discounts we offer. Keep in mind, not all discounts are available in every state. The best way to get all that you qualify for is to get an insurance quote specific to San Antonio.

You can get a rough "ballpark" insurance quote from many companies online, but talking with an agent allows you to ask questions and get a quote for coverage that matters most to you. At our Allstate agency, we can prepare a quote that details the coverage, deductibles (your portion of a loss) and cost (premium) of your insurance policy.

Products & services offered at our agency include:

  • Auto Insurance
  • Car Insurance
  • Flood Insurance
  • Insurance
  • Life Insurance
  • Motorcycle Insurance
  • Home Insurance
  • Insurance Quote
  • Insurance Agency
  • Business Insurance
  • Annuities
  • Retirement
  • College Savings Plan

Plan Your Financial Future.
Calculator: Social Security & Retirement
Buy vs. Lease Calculator
What's the Difference Between Term and Permanent Life Insurance?
Mortgage Tax Credit Calculator

Make sure you're doing all you can to protect the life you deserve—no matter what stage you're at in life.
Is Social Security part of your retirement plan? Estimate your projected annual benefits.
What’s more cost efficient – buying or leasing a car? This calculator can help crunch the numbers.
Life insurance policies typically fall into two categories: term or permanent insurance. Which type of policy is right for you?
Calculate your potential average yearly tax savings over the life of your mortgage.
Learn moreLearn moreLearn moreLearn moreLearn more

Areas Served

We’re proud to serve the areas of:

  • San Antonio
  • Beacon Hill
  • Alta Vista

Quote, email, or call our agency today for your personalized insurance quote.

William Cantu is insurance licensed in the state(s) of Texas. If you do not reside in the state(s) of Texas, please go to the Find an Agent section on to search for another Allstate Agent or Personal Financial Representative.

Subject to terms, conditions & availability.

This material is intended for educational purposes only. Auto and homeowners insurance, and other property and casualty insurance products, are available from Allstate Insurance Company, Allstate Indemnity Company, Allstate Property and Casualty Insurance Company and Allstate Fire and Casualty Insurance Company (Home Offices: Northbrook, IL); Allstate New Jersey Insurance Company and Allstate New Jersey Property and Casualty Insurance Company (Home Offices: Bridgewater, NJ); and Allstate County Mutual Insurance Company and Allstate Texas Lloyd's (Home Offices: Irving, TX). Life insurance issued by Allstate Life Insurance Company: Northbrook, IL; and American Heritage Life Insurance Company: Jacksonville, FL. In New York, Allstate Life Insurance Company of New York: Hauppauge, NY. Securities offered by Personal Financial Representatives through Allstate Financial Services, LLC (LSA Securities in LA and PA). Registered Broker-Dealer. Member FINRA, SIPC. Main Office: 2920 South 84th Street, Lincoln, NE 68506. (877) 525-5727.

Check the background of this firm on FINRA's BrokerCheck website.