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Coverage for Your Business in Redwood City, San Mateo & the entire state of CA

Protect your Investment

Insurance By Castle provides insurance to businesses in Redwood City, Atherton, San Carlos, Menlo Park, Palo Alto, San Mateo, and surrounding areas.

No matter what business you are in, each workday is dedicated to doing your job well and providing your customers with the best service possible. Insurance By Castle would like to return the favor by giving you the coverage you need to ensure the security of your business. 

At Insurance By Castle, we’re committed to keeping your business protected – so you can focus on your day-to-day operations. And with the right insurance plan, your business will be covered from top to bottom. 

We offer the following options for your business assets: 

  • Commercial property insurance
  • Commercial general liability
  • Business owners policy (BOP)
  • Inland marine insurance
  • Commercial auto insurance
  • Commercial umbrella insurance
  • Professional liability
  • Workers compensation
  • Crime insurance
  • And much more …

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Our Location

Insurance By Castle

1227 Arguello Street
Redwood City, CA 94063
Main office: 650-521-9040
Toll free: 800-644-6443

Our Providers

"You did exactly what you said you would do exactly when you said you would do it. You were knowledgeable and always available to answer questions. A nice benefit was saving about 15% on my insurance policy!"
-Tom Garrett
Tom Garrett
"Best insurance company in every respect.......knowledge, service, courtesy, accountability. Always aim to please."
-Ann Miller
Ann Miller
"Always professional and courteous. Readily available for answering questions or giving guidance to refer to another place that can help if for some rare reason they aren’t able to help. They’re very personable."
-Kathleen Hahn
Kathleen Hahn
"Always great-Love you guys Can't say enough great things about Ingrid and Kelly."
-Jeremy Sowers
Jeremy Sowers
"You took your time in explaining coverage and cost. Even though I repeated some of my questions you were patient and courteous. Thanx."
-Daniel Gutierrez
Daniel Gutierrez
"You respond quickly to my questions on insurance and cost."
-Shawn Fitzpatrick
Shawn Fitzpatrick