Sentry Sales & Leasing
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My home has been secured by your company for over 15 years and I must say the entire time I have had great experiences with all parts of and interactions with your business. Whether it's a false alarm or a real alarm your staff has always been incredibly helpful, very sensitive in the moment, and handled business as they should in a very professional and timely manner.

I really appreciate all you do to make me feel safe! Thank you so much!.
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At Sentry Alarm, our business philosophy is to make the extra effort to treat each customer like a part of the Sentry family. We do it right the first time, with a continuing commitment to training, the use of Honeywell equipment, and careful attention to detail. Sentry Alarm Systems has propelled into the "Top 100 Security Companies" due to our reputation of service the national chains can't touch and prices the locals can't beat.
As a leading and growing security & fire services provider, we are ALWAYS on the lookout for outstanding individuals who want to make a difference in their local community by helping us meet their life safety and private property protection needs. If this resonates with you then we would love to discuss with you one of the many different life-changing career opportunities Sentry affords you to do just that.
Sentry's security systems are custom designed to meet each individual or company's private property protection needs. Because of our security solutions, our clients have been secured from break-ins for over three decades, seeing not only a dropping in crime but a boost to their bottom line as well.
Sentry Alarm offers a complete menu of cost-effective and code-compliant fire alarm system solutions that can be tailored to meet your individual home or commercial life safety needs. At Sentry Alarm we offer fire alarm design/build solutions with total integration capability to best meet your building's needs.
Whatever your fire sprinkler system needs are Sentry Alarms Certified Fire Sprinkler Professionals are at your service 24/7. Our certified automatic fire sprinkler inspection team will keep your fire sprinkler system operating reliably. Sentry ensures NFPA-25, NFPA-72 and California Title 19 compliance of your fire sprinkler system in your building or home.
Reviews (20)
Linda Gin
Linda Gin
Dec 23, 2021
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Robert, the technician from Sentry Alarm, was efficient, knowledgeable and friendly. I was very happy with his service.
Diane Albert
Diane Albert
Nov 30, 2021
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Esteban did an excellent job installing and explaining our new alarm system. He was detailed, neat and efficient. We would definitely recommend him.
DesMarae Bookout
DesMarae Bookout
Nov 17, 2021
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I’ve been with them for 12 years. Unfortunately, I was robbed and it lead me to needing the alarm. It was the best decision. I do my part and use it religiously, every time I leave, no matter how short the trip. Every night I sleep great knowing the house is secure, not worried about any little noise. I love that the call center is local and quick to call if my alarm goes off. I have had a few service calls over the years, always great people, nice and professional. Definitely recommend working with this local company… night and day from the lower quality service and responsiveness of some
Jen R.
Jen R.
Oct 24, 2021
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You don't want a dishonest, sketchy company running your alarm system.
Sentry Alarm bought out our local alarm company. We were customers for 8 years. We had a faulty sensor and had a repair man who fixed it. Soon after we moved and left a voicemail but didn't get a response. Then we got charged for another 6 months of service without any bill forwarded to us, so when we called to resolve that, they said that when that serviceman came out we had signed another 5 year contract with them. We NEVER would have signed that, so it was forged or snuck into a document dishonestly. They want us to pay
Shaumbe Wright
Shaumbe Wright
Oct 18, 2021
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Sentry Alarm and their technician, Esteban, were professional. Esteban was knowledgeable and thorough in his explanations. I highly recommend them for your security needs.
Ajnavi Kumar
Ajnavi Kumar
Oct 03, 2021
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Sentry alarm is a fraud company. They lied to us that we are signing up for one year contract but in writing it was 5 years. Second when alarm went off, We did not receive a call. So I called them to notify it. Instead of coming here they started asking to charge us to come and look at it if it is more than an hour. They are not a good company to work with.
Christopher Grimes
Christopher Grimes
Sep 16, 2021
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One of the worst experiences I have ever had with any company. The system was faulty from the beginning, with multiple false alarms and equipment failures. In the end they never responded to my requests for a refund. Once I checked on the cost of the exact same system from ADT it turned out to cost 1/3 of the faulty Sentry system. I would stay as far away from this company as possible.
Dre Perez
Dre Perez
Sep 11, 2021
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Sentry was wonderful and polite during their service visit today at my residence. they were extremely cautious and sanitary by wearing face masks and booties.
Brad Smallwood
Brad Smallwood
Jul 21, 2021
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Honestly this is a company to stay away from. They have the worst customer service of any company I've ever worked with. They said they were monitoring my house for 4 years but actually were not. I found this out when I had to turn off alarm and they couldn't do it because they had no record of my account. I then asked to stopped the service and only when I contacted the COO did they finally end the service but not before charging me for an additional three months and then sending my account to collections. Stay away from them I think it's actually a scam of some sort.
Susan W.
Susan W.
Jul 04, 2019
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Oh yes, CANCEL your account if you have one with them!! Do it NOW because for some insane reason, they require a 30 day notice to cancel your account. Why, I asked, the reason given was that it needs to go through 3 departments before my account can be closed. WHAT?? You're either monitoring it or you're not!
When I initially contacted them to close my account because my system needed some repair & I figured I might as well put that money into a better company. I was offered a discounted repair rate $95 instead of $125) & they would waive the travel fee of $25. Ok, we'll
Irv B.
Irv B.
Jun 28, 2019
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It appears I'm not alone about Sentry Alarm. They charged me a years worth of monitoring only to find out my system was not communicating with Sentry home base. So I decided to switch providers and asked them to refund me a years worth of NOT monitoring. They never did ... isn't that shocking!!!

I got ripped off by those who were supposed to protect me. Lesson learned.
Michael Nevares
Michael Nevares
Jun 25, 2019
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Sentry did great work setting up our fire and burglar alarm systems at our business. The planning and execution portions were handled professionally, and without any major issues. The services that we were signing up for were clearly communicated to us, and the bill matched what we were expecting. The hardware is easy to use, and so far (3 months in) very reliable. I would recommend Sentry to any business looking for this type of service.
David R.
David R.
May 21, 2019
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Their contract requires 2 months notice to cancel. This is simply a way to bill customers for service that they no longer want. I asked them the reason for this and, no surprise, they simply didn't answer. After repeating the question they claimed that it might take 2 months to terminate a contract because a tech might have to come out. Apparently the tech lives in the outback of Australia and it takes quite a while to drive his jeep all those miles and then arrange a flight to Oakland, etc. etc. And then of course there's the question of how often a tech actually does have to come
J. R.
J. R.
Apr 25, 2019
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Sadly I had to change my 3 stars review to 1 star.
Mr. Hill, if you promise something, honor your words.
PissedOff C.
PissedOff C.
Mar 16, 2019
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Let's do a class action lawsuit ! Steer clear of these scammers your better off without an alarm system from these rip off artist. Since sentry alarms will keep on charging you even if you are no longer with them !!! There are plenty of other alarm companies that are w-a-y b-e-t-t-e-r !!! Sentry alarm was completely gutted out of our home & replaced with a superior alarm company's alarm system ! Sentry alarm did not know anything ! Even when they were told several times we cancelled their b.s. service!!! So how are they suppost to notify any police, sheriff or fire department !!
Cali A.
Cali A.
Feb 06, 2018
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I have to agree with the other comments written. We have had nothing but problems with this company. The Sentry system was existing when we moved into our place so we kept it. Mistake. Since then they have installed sensors incorrectly, charged us for a service call when no one did anything, and continually call us to tell us something is incorrect with our system. We are now stuck in a cycle of something is wrong but they can't fix it so our system beeps constantly. It's seems no one knows what is going on at this place. Do not sign with this company!
Linda M.
Linda M.
Dec 29, 2017
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Shame on Detect All for selling out to Sentry Alarm....a company that shouldn't even be in business. Sentry doesn't have a clue about customer service, about even how to install a sensor and program it properly, and technical support knows NOTHING. RUN from Sentry....they are really inept!

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Kendel D.
Kendel D.
May 29, 2014
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I would give no stars if I could. They are the WORST. The review by the previoius guy is 100% right. Their contracts are ridiculous and they have zero interest in customer satisfaction. When we remodelled our house we suspeneded our service and paid just the 40 a month for that 6 month period. Some of the contractors lost the door sensors (which must cost .5 to make) and they wanted to charge me $700 to reinstall. ADT and Bay Alarm do this for FREE! I told them I didnt want to double pay for the items twice so could they offer me something else, cameras, etc to go to the end of my crazy long contract
Shawnie M.
Shawnie M.
Apr 14, 2010
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I would warn any person signing up with Sentry Alarm to first look at your contract with them and make sure they don't have you signed up for an extremely long contract period

When the sale representative came out to my home I signed on the spot paid cash for the operating system because I didn't want to lease or rent a system. No mention was made of the duration of the contract. It was my error to assume that it would be a standard 12 month contract.

To make a long story short, after 2 years I needed to move out of my house. When I called Sentry Alarm they told me I had signed a 5
P. S.
P. S.
Mar 18, 2009
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I was a customer of Sentry Alarm for 12 1/2 years, 6/1995 through 12/2007. I had set up automatic payments on my account with a credit card. Apparently, the credit card Sentry Alarm had on file expired before the January 2008 payment was to be made, for 2008 services. Instead of calling me to get the new expiration date on the card, they billed me a $10 "late" fee and then a $55 finance fee on the late fee--for a service that costs about $150 per year.

I don't know about you, but I don't keep records of the expiration dates of my credit cards and a list of which vendors