State Farm® Insurance Agent Justin Costello

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Our customers are the center of our universe and we’re grateful for them. If you’re willing to share your experience about your interaction with our agency, it’ll be a great help for other people looking to make smart and confident decisions about their insurance and financial services.

Take 60 seconds (or more if you want) to share your story by clicking on one of the review links below.

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What our customers say about us...

Carolyn Chambers

July 22, 2024

5 out of 5

"Both Justin Costello and Gus Murphy have been so easy to work with. They are diligent with their follow through and have all the patience in the world, answering my every question. They also saved me a lot of $$ !!"

Lori Brown

July 9, 2024

5 out of 5

"Gus was extremely helpful with starting my automobile insurance. He was kind and patient with any concerns that I had."

Tea Key

June 27, 2024

5 out of 5

"Great people, great approach to client, great services!"

Suzette Hughes

June 19, 2024

5 out of 5

"Excellent staff and service."

riley mcguire mccarthy

June 7, 2024

5 out of 5

"I would just like to show my appreciation to all the employees of this branch for making my life much easier by helping me navigate to find the perfect insurance plan for me."

Jason Collier

June 6, 2024

5 out of 5

"Justin and his team are awesome and super helpful!"

Tammy Slade

June 4, 2024

5 out of 5

"Gus has been fantastic. Answered all my questions and concerns. Walked me through with ease. Thank u"

Heath Seabourn

May 21, 2024

5 out of 5

"Gus was friendly and extremely knowledgeable. He helped me to navigate through various Home, Auto and Life insurance options without pressuring me to buy. I highly recommend a call if you’re even thinking about making any insurance changes."

Christine Lam

May 15, 2024

5 out of 5

"Lexi was extremely professional, knowledgable, and helpful when I was seeking assistance with my car insurance. She was very transparent about the process and I would highly recommend her services to anyone!"

Kayla Baker

May 8, 2024

5 out of 5

"I talked to Gus about life insurance. He was super helpful and very informative and knowledgeable. I appreciated his help and would recommend him to anyone!"

Ashley Sannino

May 1, 2024

5 out of 5

"Gus, assisted me with my life insurance and car insurance which can be stressful at times and he made this experience a positive one for my boyfriend. Thank you so much for assisting him."

Siena Cotta

May 1, 2024

5 out of 5

"I talked to to Gus about life insurance and he was so helpful! He made the whole process smooth and allowed me to feel confident in my decisions."

Samantha Moss

April 25, 2024

5 out of 5

"Gus is absolutely fantastic to work with and extremely knowledgeable! If you’re looking for home insurance you can’t go wrong with Gus."

Susan Parks

April 24, 2024

5 out of 5

"Wonderful folks here at this State Farm office in Rocklin! Gus, my insurance agent is very knowledgeable and honest with his clients when it comes to the many different types of insurance and coverages that are available. If you’re in need of insurance I would definitely suggest visiting these guys, you won’t be disappointed! Guaranteed to leave with a smile on your face and Top quality insurance to cover your back!! Thank you Gus and Justin, you are the best!"

Joshua Rosenberg

April 11, 2024

5 out of 5

"Gus was great!"

Jennifer Hawkins

March 20, 2024

5 out of 5

"Gus was so helpful and knowledgeable. I highly recommend him for all of your insurance needs!"

Dery Smith

February 1, 2024

5 out of 5

"Best State Farm office in the area. Justin, Tess, Gus and Lexi are amazing, so easy to talk to and understand. They explain everything thoroughly and let you know all of your options to be well insured and help you save."

Kate Allan

January 27, 2024

5 out of 5

"The whole team is super helpful and friendly, and Gus made my wife feel much more calm after she got into a little fender-bender. I’ve been there for over 20 years I think and I’m very happy with their service"

Rachelle Johnson

January 25, 2024

5 out of 5

"Tess, Lexi and Justin have all been so easy to deal with. Finally affordable insurance with genuinely nice people! Thank you Tess for going above and beyond by checking all options to best fit my needs."

Jana Johnston Photography

January 23, 2024

5 out of 5

"I recently had the pleasure of working with Gus, and I couldn't be happier with the experience. Gus has been incredibly easy to talk to and has gone above and beyond to help us determine our insurance needs. One of the things that impressed me the most about Gus is his knowledge and expertise in the insurance industry. He took the time to thoroughly explain our options and provided us with valuable insights that helped us make informed decisions. With his guidance, we were able to find the perfect homeowners insurance policy without having to rely on the California Fair plan, which many of our neighbors in Colfax are unfortunately stuck with. Not only did Gus assist us with our homeowners insurance, but he also helped us to move our vehicles over from Geico. This decision turned out to be a game-changer for us as we ended up saving money on both our auto and homeowners policies. Gus truly understands the importance of finding the best coverage at the most affordable rates, and he made it happen for us. Throughout the entire process, Gus has been patient, responsive, and genuinely committed to ensuring our satisfaction. His friendly and approachable demeanor made us feel comfortable asking questions and discussing our concerns. It's evident that he genuinely cares about his clients' needs and goes the extra mile to exceed their expectations. Working with Gus has been a breath of fresh air, and we couldn't be happier with the outcome. I highly recommend Gus Murphy and State Farm to anyone in need of insurance services. Whether you're looking for homeowners, auto, or any other type of coverage, Gus will provide you with exceptional service, valuable advice, and savings that will leave you delighted. Thank you, Gus, for your outstanding assistance and for making the insurance process a positive and rewarding experience. We are grateful to have had the opportunity to work with you and look forward to continuing our partnership for years to come. Sincerely, Jana Johnston"

Adriana Lomelis

January 23, 2024

5 out of 5

"Excellent service! Gus helped me with all of my life insurance needs, and kept me well informed about the process and coverage. I especially liked the fact that he was so readily available!!!"

Cale Kyburz

January 23, 2024

5 out of 5

"Gus was extremely helpful for my mom Barb and I to find life insurance that meet our needs. He was very helpful in explaining everything. Super nice guy and very caring human being that I feel truly wanted what was best for us. Thanks again Gus!"

Clayton Smith

January 22, 2024

5 out of 5

"We’ve been with State Farm insurance for a few decades now. Justin Costello and his crew (Gus, Tess, and Lexi) are wonderful. Very responsive to our needs, helpful, courteous, and friendly. You won’t go wrong here!"

Alicia Violet

January 8, 2024

5 out of 5

"Just want to share my experience with this office and especially Gus. There are lots of life insurance options out there but State Farm’s solid reputation and my interactions with Gus made me feel confident that this is the best company and the best office to take care of my needs. Gus was very helpful, informative, kind and patient and I trust he has my (and my family’s) best interest in mind. In my research I read State Farm has one of, if not the best, customer service around and I fully agree!"

Marshal Shedi

January 5, 2024

5 out of 5

"Awesome job, Gus!!!"

What our customers say about us...

Carolyn Chambers

July 22, 2024

5 out of 5

"Both Justin Costello and Gus Murphy have been so easy to work with. They are diligent with their follow through and have all the patience in the world, answering my every question. They also saved me a lot of $$ !!"

Lori Brown

July 9, 2024

5 out of 5

"Gus was extremely helpful with starting my automobile insurance. He was kind and patient with any concerns that I had."

Tea Key

June 27, 2024

5 out of 5

"Great people, great approach to client, great services!"

Suzette Hughes

June 19, 2024

5 out of 5

"Excellent staff and service."

riley mcguire mccarthy

June 7, 2024

5 out of 5

"I would just like to show my appreciation to all the employees of this branch for making my life much easier by helping me navigate to find the perfect insurance plan for me."

Jason Collier

June 6, 2024

5 out of 5

"Justin and his team are awesome and super helpful!"

Tammy Slade

June 4, 2024

5 out of 5

"Gus has been fantastic. Answered all my questions and concerns. Walked me through with ease. Thank u"

Heath Seabourn

May 21, 2024

5 out of 5

"Gus was friendly and extremely knowledgeable. He helped me to navigate through various Home, Auto and Life insurance options without pressuring me to buy. I highly recommend a call if you’re even thinking about making any insurance changes."

Christine Lam

May 15, 2024

5 out of 5

"Lexi was extremely professional, knowledgable, and helpful when I was seeking assistance with my car insurance. She was very transparent about the process and I would highly recommend her services to anyone!"

Kayla Baker

May 8, 2024

5 out of 5

"I talked to Gus about life insurance. He was super helpful and very informative and knowledgeable. I appreciated his help and would recommend him to anyone!"

Ashley Sannino

May 1, 2024

5 out of 5

"Gus, assisted me with my life insurance and car insurance which can be stressful at times and he made this experience a positive one for my boyfriend. Thank you so much for assisting him."

Siena Cotta

May 1, 2024

5 out of 5

"I talked to to Gus about life insurance and he was so helpful! He made the whole process smooth and allowed me to feel confident in my decisions."

Samantha Moss

April 25, 2024

5 out of 5

"Gus is absolutely fantastic to work with and extremely knowledgeable! If you’re looking for home insurance you can’t go wrong with Gus."

Susan Parks

April 24, 2024

5 out of 5

"Wonderful folks here at this State Farm office in Rocklin! Gus, my insurance agent is very knowledgeable and honest with his clients when it comes to the many different types of insurance and coverages that are available. If you’re in need of insurance I would definitely suggest visiting these guys, you won’t be disappointed! Guaranteed to leave with a smile on your face and Top quality insurance to cover your back!! Thank you Gus and Justin, you are the best!"

Joshua Rosenberg

April 11, 2024

5 out of 5

"Gus was great!"

Jennifer Hawkins

March 20, 2024

5 out of 5

"Gus was so helpful and knowledgeable. I highly recommend him for all of your insurance needs!"

Dery Smith

February 1, 2024

5 out of 5

"Best State Farm office in the area. Justin, Tess, Gus and Lexi are amazing, so easy to talk to and understand. They explain everything thoroughly and let you know all of your options to be well insured and help you save."

Kate Allan

January 27, 2024

5 out of 5

"The whole team is super helpful and friendly, and Gus made my wife feel much more calm after she got into a little fender-bender. I’ve been there for over 20 years I think and I’m very happy with their service"

Rachelle Johnson

January 25, 2024

5 out of 5

"Tess, Lexi and Justin have all been so easy to deal with. Finally affordable insurance with genuinely nice people! Thank you Tess for going above and beyond by checking all options to best fit my needs."

Jana Johnston Photography

January 23, 2024

5 out of 5

"I recently had the pleasure of working with Gus, and I couldn't be happier with the experience. Gus has been incredibly easy to talk to and has gone above and beyond to help us determine our insurance needs. One of the things that impressed me the most about Gus is his knowledge and expertise in the insurance industry. He took the time to thoroughly explain our options and provided us with valuable insights that helped us make informed decisions. With his guidance, we were able to find the perfect homeowners insurance policy without having to rely on the California Fair plan, which many of our neighbors in Colfax are unfortunately stuck with. Not only did Gus assist us with our homeowners insurance, but he also helped us to move our vehicles over from Geico. This decision turned out to be a game-changer for us as we ended up saving money on both our auto and homeowners policies. Gus truly understands the importance of finding the best coverage at the most affordable rates, and he made it happen for us. Throughout the entire process, Gus has been patient, responsive, and genuinely committed to ensuring our satisfaction. His friendly and approachable demeanor made us feel comfortable asking questions and discussing our concerns. It's evident that he genuinely cares about his clients' needs and goes the extra mile to exceed their expectations. Working with Gus has been a breath of fresh air, and we couldn't be happier with the outcome. I highly recommend Gus Murphy and State Farm to anyone in need of insurance services. Whether you're looking for homeowners, auto, or any other type of coverage, Gus will provide you with exceptional service, valuable advice, and savings that will leave you delighted. Thank you, Gus, for your outstanding assistance and for making the insurance process a positive and rewarding experience. We are grateful to have had the opportunity to work with you and look forward to continuing our partnership for years to come. Sincerely, Jana Johnston"

Adriana Lomelis

January 23, 2024

5 out of 5

"Excellent service! Gus helped me with all of my life insurance needs, and kept me well informed about the process and coverage. I especially liked the fact that he was so readily available!!!"

Cale Kyburz

January 23, 2024

5 out of 5

"Gus was extremely helpful for my mom Barb and I to find life insurance that meet our needs. He was very helpful in explaining everything. Super nice guy and very caring human being that I feel truly wanted what was best for us. Thanks again Gus!"

Clayton Smith

January 22, 2024

5 out of 5

"We’ve been with State Farm insurance for a few decades now. Justin Costello and his crew (Gus, Tess, and Lexi) are wonderful. Very responsive to our needs, helpful, courteous, and friendly. You won’t go wrong here!"

Alicia Violet

January 8, 2024

5 out of 5

"Just want to share my experience with this office and especially Gus. There are lots of life insurance options out there but State Farm’s solid reputation and my interactions with Gus made me feel confident that this is the best company and the best office to take care of my needs. Gus was very helpful, informative, kind and patient and I trust he has my (and my family’s) best interest in mind. In my research I read State Farm has one of, if not the best, customer service around and I fully agree!"

Marshal Shedi

January 5, 2024

5 out of 5

"Awesome job, Gus!!!"