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Avatar for ADT
ADT
4.5(
856
)

Serving Mount Desert, ME and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1874

Free estimates

Emergency services offered

"Walter and Glen at Protect Your Home Group with ADT are the best people to talk to in terms of security alarm. Being a locksmith myself I know how important it is to deal with the right people. I referred a lot of customers to them and so far they are happy with their service. I myself got one for my house. Thank you for a consistent service and great deal."
Home Security Essentials
Smart Home Security
Cameras
Our Team
Home Security Essentials

+35

80 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Frontpoint
Frontpoint
4.7(
8,819
)

Serving Mount Desert, ME and surrounding areas

In business since 2007

Free estimates

Emergency services offered

"The equipment is easy to install, no need to hire anyone. Any questions will be answered with a phone immediately. I never had to wait like other places. I was treated fairly and with respect."
Recommended by93%of homeowners
Avatar for Security One
Security One
4.1(
456
)

Serving Mount Desert, ME and surrounding areas

In business since 2007

Credit card accepted

"I switched from another company to Security One, they use the same equipment. They had to come out and recode everything. I simply switched because of the financial benefit. I have only had them for a few months, and I haven't had any problems with them. They save me some money every month.  When my alarm went off, they did call me."
Pictures
Compare our Compact Door Sensors to our Competitors
Additional Photos
Additional Photos
Additional Photos

+16

Recommended by84%of homeowners
Avatar for Protect America Home Security
Protect America Home Security
3.5(
227
)

Serving Mount Desert, ME and surrounding areas

In business since 1992

Free estimates

Emergency services offered

"I called Protect America to get pricing from them to take over my existing system and monitor my security system monthly. The girl I spoke with was very explicit and gave me all of the information I needed to compare them to other security companies. I did not go with them simply because I didn't care for the way it would be connected to my existing box. It is simply a matter of preference. I would recommend them to anyone. They are strictly DIY and I didn't want to take on the job.
"
Platinum Package - Protects up To 15 Doors / Windows for FREE
Protect your Whole Home
Simon XT Touchscreen
Recommended by64%of homeowners
Avatar for New England Home Renovations LLC
New England Home Renovations LLC
4.0(
311
)

Serving Mount Desert, ME and surrounding areas

In business since 1983

Free estimates

Emergency services offered

"They did a great job - were quick to call and schedule, arrived on time and worked fast, and offered to also do the garage for a little extra money.  All of the "gunk" they took out of the gutters was taken away.
"
Before
After's
New boiler install
Removal of cast Iron to PVC.
Additional Photos

+37

Recommended by89%of homeowners
Showing 1-10 of 28
Locksmiths questions, answered by experts

If your door handle turns without opening, the most likely culprit is a loose or stripped spindle. This part connects the handles to the latch mechanism, and when it’s not properly engaged, turning the handle does nothing. Other issues might include a broken latch, loose screws, or even something small blocking an inner mechanism. In any case, it’s usually a matter of tightening, adjusting, or replacing a worn-out part inside the handle assembly—or calling in a professional to do it for you.

Costs depend on lock type, service complexity, labor, emergency availability, and whether security system integration is needed.

Begin by checking the power source, typically a battery or wired connection. Ensure the battery is installed correctly, has sufficient charge, and isn't corroded. If it's a wired lock, examine the electrical connections to confirm they are secure and free from damage. Additionally, inspect the lock's programming or settings. Confirm that user codes or access credentials are programmed correctly and that any remote control devices are paired and functional.

If you don’t have your original key, the easiest way to obtain a copy is to call a locksmith. For house keys, your locksmith has several options for configuring a new key: 

  • They can input a lock’s identification code into a database to obtain key-cutting instructions.

  • They could analyze the lock cylinder to determine how to cut a new key.

  • They can create an impression of the lock cylinder from which to cut a new key. 

Yes, as long as it’s thick enough for the deadbolt. Most interior hollow core doors are at least 1 1/2-inches thick, which is usually the minimum requirement for a deadbolt. You’ll want to find the lock block first before installing. Also, most hollow doors require additional reinforcement for locks, such as a reinforcement plate or plywood block.

The Mount Desert, ME homeowners’ guide to locksmith services

From average costs to expert advice, get all the answers you need to get your job done.