ADT Security Services in Phoenix, AZ – Reviews, Hours, and Contact Details

Letter from ADT stating zero balance due

ADT bill for inoperable outdated equipment

Technician appointment for malfunctioning sensor 10 days after request

ADT text showing an updated bill request for equipment ADT identified as outdated, malfunctioning and unserviceable.

Text message from ADT stating bill still owed

Text messages from ADT following no contact request and confusing text content

ADT Security Services Home Security

1.5 104 reviews on

Phone: (800) 316-2638

Open now

Sat Open 24 Hours
Sun Open 24 Hours
Mon Open 24 Hours
Tue Open 24 Hours
Wed Open 24 Hours
Thu Open 24 Hours
Fri Open 24 Hours

Phoenix, AZ 85001 ·1858.30 mi

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Reviews

1.5 104 reviews

5 star

6 4 star

0 3 star

0 2 star

8 1 star

Mike R. 08/17/26

I personally have had a great experience with ADT. I have them in another home and have not had any issue. Recently Cox cancelled Homelife so we were forced to change security providers. After...

Jim R. 10/02/26

ADT as a business is a sinking ship, and just a poor entity that focuses more on the almighty dollar than the more-than-almighty customer Have you ever called their customer service, oy ? I...

Makayla R. 09/29/26

Didn't want the service. Wasn't made aware we had to sign up for a subscription Called they were closed the DAY after we found out but it wasn't in their three day window which was a damn...

Juan G. 09/12/26

We canceled service with ADT since May 7th 2026 here it is September 4th and they're trying still trying to villas for service so we never received. We even sent them a copy of the email from the...

Sergeant Major Albert V. 03/25/26

On 15 March I received a letter from ADT stating my account reflects a zero balance. Today I received a text message stating I still owed $780.75. ADT is absolutely committed to harassing a...

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