You need to upgrade your Flash Player
You must have JavaScript enabled in order to view the Flash movie.


Applying for auto coverage is simple! On the toolbar to the right we have two options for you:

Click the Instant Premium Indication – which asks for a couple of pieces of information that allows for our software to provide an instant premium indication from several insurance companies; or

Click the Apply Now Button – which will take you to a full length application that can be submitted to our office for formal insurance quoting.

When completing the Full Application for insurance, please be sure to have the following items available:

  • Declarations Pages of Current Insurance Policy
  • Current Leinholder Information, If Applicable

We all love the freedom of the open road—but that independence brings with it a particular set of responsibilities. As your leading local insurance specialists, we are dedicated to securing drivers the best auto insurance in California— without the complications of your generic insurance company.

Driving has become a necessary part of our lives; something many of us truly cannot live without. Whether it's a quick cruise down the block or a road trip across the country—however, every time you get behind the wheel you place yourself at risk.

Here at Costello & Sons Insurance, we are proud of the superior customer support and auto insurance strategies we provide residents all across California—not to mention that we have the ability to provide you with competitive CA car insurance quotes online; allowing you to secure your policy with us from the comfort of your own home!

We love that we can go above and beyond the standard insurance offering and secure you effective vehicle coverage you can truly rely on. It's important to remember that California State auto insurance can protect you from loss in the event of an unfortunate accident—making the policy all the more critical.

At Costello & Sons Insurance we strive to supply you with as many options as possible; thus enabling our comprehensive insurance strategies to provide you with the opportunity to custom build a policy that meets all of your auto insurance needs.

We offer the following options for your CA car insurance:

  • Bodily Injury Liability - covers injuries to others caused by the policyholder while operating an automobile.
  • Medical or Personal Injury Protection - covers treatment of the driver and passengers of the policyholder's car in the event of an accident.
  • Property Damage Liability - covers damages caused to someone else's property by the policyholder while operating an automobile.
  • Collision - insures the policyholder from loss during a collision with another vehicle or object.
  • Comprehensive - protection for the policyholder's car from damage and loss resulting from incidents other than collision.
  • Uninsured Motorist Coverage - covers medical treatment of the policyholder's injuries in the event of a collision with an uninsured driver.

We recognize that all of these varying coverage and product options can become a bit overwhelming—you want to make sure that you're fully covered for a range of vehicle risks—yet at the same time you're trying to keep premium expenses at the forefront of your mind. That's why our insurance specialists are dedicated to helping you find the best auto insurance in California, as well as make you, and your unique needs, our top priority!

Is there a discount for combining my Home and Auto insurance?

Yes! Most insurance companies we represent will provide a multi-policy discount. The discount can be as high as 25% when they provide insurance for both your home and your auto.

What insurance companies will I be shopped with?

Costello & Sons Insurance represents several insurance companies. To find out more please click on the company logos below.

Contact Costello & Sons Insurance to learn more about our various coverage options receive a complete coverage review—as well as your free CA car insurance quotes today!



The greater one’s net worth, the more vulnerable he or she is to risk. AIG offers a comprehensive, customized approach to managing life’s risks. Its innovative insurance products and risk management services are designed to enhance protection and minimize threats to personal wealth and safety. Its auto insurance products and services are flexible and can be adapted to address your most complex needs.

AIG is a world leading property-casualty and general insurance organization serving more than 40 million clients in over 160 countries and jurisdictions. With a 90-year history, one of the industry's most extensive ranges of products and services, deep claims expertise and excellent financial strength, AIG enables its commercial and personal insurance clients alike to manage virtually any risk with confidence. AIG is the marketing name for the worldwide property-casualty and general insurance operations of AIG Inc.



Allied Insurance

Whether it’s protection for your home, auto, business, farm/ranch, or your financial health, Allied Insurance’s broad portfolio of personal and commercial products is flexible enough to meet or each customer’s individual insurance needs.

Allied understands how important choice is to you, so they partner with independent agents. That way you know you’re getting an auto insurance plan right for you, and you’re buying it from someone you trust. To top it off, all of Allied’s insurance products, including auto insurance, are backed by the convenience and customer service promise you deserve from your insurance company.
Allied has carried on a tradition of service and integrity that is more than 75 years strong, and they view every point of contact with each customer as an opportunity to extend their reputation. By listening to you, and understanding your needs, they have developed insurance solutions that meet or exceed your expectations.

As part of Nationwide, Allied is rated A+ by A.M. Best Company, the leading industry rating service. Nationwide Financial Services, Inc. (NYSE: NFS), a member of the Nationwide group of insurance and financial services companies, is a diverse retirement savings franchise with an impressive growth record. Nationwide Financial Services, Inc., a publicly traded company based in Columbus, Ohio, provides a variety of financial services that help consumers invest and protect their long-term assets, and offers retirement plans and services through both public- and private-sector employers.



Chubb Group

Chubb gives what you expect when it comes to insurance, whether this means providing broader coverage, quick turnaround, life-saving loss prevention measures or exemplary claim service or all of these. When it comes to protecting your home and your assets, including your auto, Chubb offers coverage beyond your expectations.

The member insurers of the Chubb Group of Insurance Companies form a multi-billion dollar organization providing property and casualty insurance for personal and commercial customers worldwide through 8,500 independent agents and brokers. Chubb's global network includes branches and affiliates in North America, Europe, Latin America, Asia and Australia.  Chubb is rated A++ XV by A.M. Best for its financial strength.



Encompass Insurance

Encompass specializes in personal insurance. Unlike most insurance companies, personal insurance is all they do. They provide coverage that reduces the risk of financial loss associated with the things you hold dear: your house, your auto, your CD collection and more...

Furthermore, Encompass firmly believes buying auto insurance can be simple and straightforward, policies can be easy to understand, and getting really good service can be the rule, rather than the exception.

Encompass Insurance is: 

  • More than 1.2 million customers in 42 states
  • Available through more than 2,800 independent insurance agents 
  • More than 2,300 employees. 
  • More than $1.7 billion in personal insurance written premium
  • One of the largest personal insurance brands in America
  • Encompass underwriting companies are rated B+ (Very Good), A- (Excellent), A (Excellent) or A+ (Superior) for insurance financial strength by the A.M. Best Company as of January 29, 2008



Travelers Insurance

For over 140 years, Travelers has been looking out for families and property, protecting them from losses while earning the reputation as one of the best and most experienced insurers in the industry.

Travelers Insurance offers:

  • More competitive price points to save you money.
  • A comprehensive range of products and price points to serve all of our customers.
  • Flexible insurance packages for personal and auto insurance that offer a high degree of customization. Our unmatched selection of coverage options allows you to design the insurance package that best meets your needs today and offers the flexibility you'll need for the years ahead.
  • Superior financial stability. You can count on Travelers to fulfill its financial commitment when a loss occurs.
  • Fast, efficient auto insurance claim handling supported by our toll-free, 24-hour claim hotline.
  • A national presence with over 10,000 agency locations to serve you. Plus 2,000 claim professionals in 39 claim offices across the country.
    A constant commitment to innovation for consumers seeking more from their insurance company! More products. More services. More conveniences. More peace of mind!

Travelers (NYSE:TRV) is a leading provider of property casualty insurance and surety products and of risk management services to a wide variety of businesses and organizations and to individuals. The company reported 2007 revenues of $26 billion and total assets of $115 billion. Our products are distributed primarily through U.S. independent insurance agents and brokers. Travelers is the second largest writer of auto and homeowners insurance through independent agents. Travelers is headquartered in Saint Paul, Minn., with significant operations in Hartford, Conn. The company also has offices in the U.K., Ireland and Canada.



ACE Private Risk Services

ACE Private Risk Services helps individuals and families enjoy the success they have achieved by protecting their assets with industry-leading insurance and risk management programs. ACE has earned a reputation for exceptional coverage and service, as indicated within the past few years by their top raking in surveys of independent agents and state insurance department studies that track consumer complaints.

The more you achieve and acquire, the more you face risks that are unique and complex. And the more you can benefit from the ACE Platinum Portfolio, their comprehensive personal insurance program. With just one policy, the ACE Platinum Portfolio can provide superior coverage for your home, vacation properties, autos, jewelry and valuable collections, watercraft and personal liability.

ACE Private Risk Services is part of the ACE Group of Companies, a global insurance group with more than $83 billion in assets. In addition to stability and strength, ACE is distinguished by its underwriting expertise, superior claims handling and global franchise in more than 50 countries.

ACE's U.S.-based underwriting companies are rated A+ by A.M. Best and AA- by Standard & Poor's. These ratings are important indicators of the claims-paying ability of the ACE insurance company that stands behind your policy.


© Costello & Sons Insurance (CSI) | All Rights Reserved | Terms of Use/Privacy Policy | Site Map