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Defense Block Security provides both short or long term security guard services that are professional, reliable, affordable and carefully tailored to your needs. 

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Management of large crowds at events & public places to prevent outbreaks

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One of the most effective needs of securing your most valuable assets and protecting what is important to you

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Enforcement services performed at a variety of sites - including colleges & universities, hospitals, office buildings, and private and public parking facilities

Our mission at DEFENSE BLOCK SECURITY is simple: to provide high-quality, professional services for our valued clients. Our team goes above and beyond to cater to each project’s specific needs. Through open communication and exceptional, efficient service, we hope you’ll find what you’re looking for with our Security Services. For more information or general inquiries, get in touch today.

" It has been a pleasure to work alongside your team. Defense Block employs the most hard working, caring people with integrity, kind hearts who genuinely care for people. I have never, not one time, felt unsafe while your team has been here."

- Angie Cave, Guest Service Coordinator, Alliance Redwoods


" We want to express our appreciation to you for the service provided and the noticeably welcoming conditions that your firm has been able to maintain on and around the property."


- Tami Larsen, Santa Rosa neighbor

"Thank you so much for accommodating us and providing us a guard for our event on such short notice. Your guard was courteous, friendly, and professional."

- Steve Potter, Sonoma County Chaplaincy Program

Interested In A Quote? Email Us Your Info & One Of Our Team Members Will Reach Out To You, or Call Us at 707-843-7194
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