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D&D Systems LLC

$149/service call

(waived if hired)


Features wanted

Responds in about 44 min


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About
Data and Deterrent Systems LLC we are a small local business providing consultation, Installation and Security assessments Analog & IP security cameras Intercom and telephone entry systems Electrified gate operators Automated pedestrian door operators Intrusion systems Preventing Harm & Loss We offer full engineering and design services to create custom business and residential security products and systems. About Us: We are dedicated to our clients, and they benefit from our strong mission and clear vision. If you're looking to secure your business or home. Please give us a call for your a comprehensive solution package based on your budget and requirements." ****Reviews are in photos. I lost all my reviews when I updated my password.
Overview

Hired 164 times

Serves Rockville, MD

Background checked

5 employees

4 years in business

Business hours

Sun9:00 am - 2:00 pmMon9:00 am - 5:00 pm

Payment methods

This pro accepts payments via Apple Pay, Cash, Check, Stripe, and Zelle.

Top Pro status

Top Pros are among the highest-rated, most popular professionals on Thumbtack.

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2024

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2023

Services offered
Features wanted
Building height

Single-level building

Two-story building

Three-story building

4-10 story building

Projects and media

41 photos

Projects and media

41 photos

Reviews

Customers rated this pro highly for work quality, professionalism, and responsiveness.

Very good 4.6

68 reviews

5

90%

4

0%

3

0%

2

3%

1

7%

Read reviews that mention:


pro avatar
Brooke Y.

4 weeks ago

Hired on Thumbtack

D&D Systems LLC did such an amazing job! They responded quickly, gave me a fair price, and were able to come out the same day. The installation was clean, professional, and exactly what I wanted. They even set everything up in the Ring app and made sure the camera was aimed perfectly before leaving. Great service from start to finish, I highly recommend them!!!
Home Security and Alarms Install
pro avatar
Marc H.

Jul 10, 2025

Hired on Thumbtack

The team was punctual and efficient. It took less than 5 minutes to install the doorbell camera. Took a little longer for the smart thermostat but it works perfectly.

Details: New installation in an existing property • Thermostat • Camera • Yes, I've purchased the devices • I'm flexible on brand • 1 device

Smart Home Installation or Repair
pro avatar
Lisa b.

Feb 2, 2025

Hired on Thumbtack

D & D Systems Camera Installation Review I recently had the pleasure of working with D & D Systems for several security cameras installation, and I couldn’t be more satisfied with their service. From start to finish, they were professional, knowledgeable, and efficient. The installation process was smooth, with no unnecessary delays or mess. They ensured everything was set up correctly, explained how to use the system, and answered all my questions thoroughly. What stood out the most was their attention to detail and commitment to quality. The cameras were positioned perfectly for maximum coverage, and the wiring was neatly done. Post-installation, they provided excellent customer support, making sure everything was working properly and that I was comfortable using the system. If you’re looking for a reliable and professional camera installation company, I highly recommend D & D Systems. Their expertise and dedication to customer satisfaction make them a top choice for home and business security solutions.
Home Security and Alarms Install
pro avatar
Vinh L.

Oct 25, 2024

Hired on Thumbtack

Joe and Daniel did a great job installing my cameras in a clean sand unconstructive way. They installed 2 outdoor cameras and they mounted then perfectly to the home without exposing any of the wires. Great work!

Details: New installation in an existing property • Thermostat • Camera • Smoke alarm • Yes, I've purchased the devices • Google • 4 or more devices

Smart Home Installation or Repair
pro avatar
Thuntana C.

Oct 10, 2024

Hired on Thumbtack

My house is a privacy place , I can’t take a photos when they work. I hired this company to installation the cameras inside and outside. They work great including good modify mix and match for every circumstance. I have a lot of cameras around the house with each different kind of the cameras for each reasons as need. I will hire this company continuously.
Home Security System Repair
Credentials
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Daniel Rattien

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