D&D Systems LLC

$149/service call

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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 180 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.

2024

2023

Services offered

Project type

Repairs needed

Cameras

Monitoring system + DVR

Window or door sensors

Motion sensors

Adjustments needed

Reposition existing cameras

Reprogram system software

Reposition existing window or door sensors

Reposition existing motion sensors

Projects and media

Reviews

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

Great 4.7

75 reviews

5

90%

4

0%

3

0%

2

3%

1

7%

Read reviews that mention:

Brooke Y.

Aug 9, 2025

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Hired on Thumbtack

Home Security and Alarms Install

Lisa b.

Feb 2, 2025

•

Hired on Thumbtack

Home Security and Alarms Install

Dominique W.

Nov 1, 2025

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Hired on Thumbtack

Quick, efficient, professional, & reasonably flexible. I will be keeping Dan as a contact. They are a jack of all trades team.

Home Security and Alarms Install

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

Meredith M.

Oct 24, 2024

•

Hired on Thumbtack

Very competent and professional but also Dan and Joe were just super nice and thorough and would not leave until they were sure I understood my new system

Home Security and Alarms Install

Credentials

Background Check

Daniel Rattien

FAQs

What should the customer know about your pricing (e.g., discounts, fees)?
I always accommodate for a clients budget.
What is your typical process for working with a new customer?
Make sure we are on same page and plan system to clients needs.
What education and/or training do you have that relates to your work?
23 years of field training fiber optics and voice/data wiring and access control in commercial buildings. OSHA,ButterFlyMX,3M,Tyco,Blackboard

D&D Systems LLC

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