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Douglas Security System, Inc. (DSS) is a Brooklyn intercom company and video surveillance provider. We serve commercial and residential properties, including property management companies, multi-family housing, and single-family homes. Our headquarters is at 1541 E 46th Street in Brooklyn, New York, and we have over 35 years of experience in the security field.
Intercoms are the heart of what we do. We also handle cameras, access control, locks, and networking. As a result, our customers have one team they can trust with the whole front door. Our quality services and solutions are tailored to our customers’ needs throughout all five boroughs (Manhattan, Brooklyn, Queens, the Bronx, and Staten Island), Long Island, plus the tri-state area. DSS is made up of five tightly integrated divisions:
What sets DSS apart is the way we combine three things: professional-grade equipment, affordable prices, and customer service that continues after the job is done. We’re a local Brooklyn company. So when you call, you talk to people who know New York buildings and know your system.
We believe in fixing what can be fixed. If a repair makes sense, we’ll tell you. If an upgrade will save you money over time, we’ll show you the numbers. Also, every job starts with a free quote. You can call us anytime about pricing options, plus payment methods.
As a Brooklyn intercom company, we work across all five boroughs: Manhattan, Brooklyn, Queens, the Bronx, and Staten Island. We also serve Long Island and the rest of the tri-state area.
Our customers include property managers, co-op and condo boards, landlords, store owners, and homeowners. Their buildings vary, so we work on pre-war walk-ups, brownstones, large apartment complexes, office buildings, storefronts, and private houses. For more detail, see our full list of intercom and security services.
You can also see all of our service areas.
We install and repair systems from Comelit, Aiphone (GT and IP series), DNAKE, Akuvox, ButterflyMX, DoorKing, Linear, Leedan, Elvox, 2Easy, and Invid. Because we work with many brands, we can recommend the system that fits your building. We don’t push one product line. You can also browse our intercom and security products, or see the Comelit Ultra Touch panel.
Douglas Security System (DSS) has worked as a Brooklyn intercom company on intercom and security systems in New York for over 35 years. It started as intercom repair for apartment buildings. Then, over time, it grew into a full security company. Today we install and service intercoms, security cameras, access control, locks, and the cabling that connects them. Our office is at 1541 E 46th Street in Brooklyn. Technicians on our team also work across Brooklyn, Manhattan, Queens, the Bronx, Staten Island, and Long Island.
Since then, building technology has changed a lot. Many of the buildings we serve went from basic audio buzzers to video panels. Now they use systems that tenants answer on their phones. We’ve installed and repaired all of them. That’s why we can usually tell quickly whether an older system is worth fixing or ready to be replaced.
We believe a good security company should save you money, not sell you the most expensive option. That’s why we work a certain way:
As a Brooklyn intercom company, our customers include property managers, landlords, co-op and condo boards, supers, homeowners, and business owners. For buildings, we coordinate with managing agents and supers. We also work around residents’ schedules. As much as possible, we keep the entrance working during the job. For homeowners, we explain the options in plain language. Then we install systems that are easy to use every day. For businesses, we install entry systems that let staff see visitors before opening the door.
We install and service every generation of building entry system. That includes older 5-, 4-, and 3-wire audio intercoms and video intercoms with monitors in each apartment. It also includes app-based systems that let tenants answer the door and open it from their phones. Our Comelit systems are no monthly fee intercom systems. Cloud-based systems like the DNAKE S617 also add remote management for buildings that want it. Whatever you have now, we can help you keep it running or move to something better.
A new system is only useful if people know how to use it. So after every installation, we walk the super, manager, owner, or staff through the system. We show them how to add and remove residents, change codes, and set up the app. We also cover what to do if something stops working. The building gets a clear point of contact. Afterward, we’re available for changes, added users, extra entrances, and repairs. For buildings with several properties, we keep equipment consistent. That way, the same training and parts work everywhere.
Call (212) 262-2820 to get started.
Reliable means the system works when a tenant is standing at the door in the rain. It also means the company that installed it answers the phone. That’s the standard we hold ourselves to on every job.
Our technicians are fully trained and certified in intercoms, video surveillance, and access control. We install professional-grade equipment from Comelit, Aiphone, DNAKE, Akuvox, ButterflyMX, and DoorKing, and we stand behind it. On Comelit video intercom installs, you get a 3-year guarantee on Comelit material. You also get a 1-year guarantee on service and labor.
Yale NexTouch keyless electronic door locks look modern and last a long time. They suit your multi-family or mixed-use property, small business, office, retail space, restroom, or other commercial building. Tenants and staff use a PIN code instead of a key. Also, you can change codes any time without calling a locksmith.
We install NexTouch locks on their own or together with your intercom and access control system, so the whole entrance works as one. Ask us about our security lock and access control services.
Here are answers to the questions people ask us most about our Brooklyn intercom company. For anything else, call (212) 262-2820 or send us a message.
Douglas Security System, Inc. (DSS) is a Brooklyn-based intercom and video surveillance company. We repair and install intercoms, security cameras, access control, security locks, and network cabling for homes and businesses. Intercoms and door entry are the core of the work. Cameras, locks, and cabling cover the rest of what a property needs to control who comes in. We have over 35 years of experience in New York.
We have over 35 years of experience in the security field in New York. In that time, equipment has moved from simple buzzer panels to video units, key fobs, and phone apps. Many older buildings still run wiring installed decades ago. That history helps when a technician opens a panel or a wall and finds something that matches no current diagram. We install Comelit, Aiphone, and DNAKE systems.
Our office is at 1541 E 46th Street, Brooklyn, NY 11234. You can reach us at (212) 262-2820 or (917) 250-0972, or by email at douglassystem@yahoo.com. Intercom faults have to be traced on site, at the entry panel, the apartment units, and the wiring between them, so the real work happens at your building. Email is the easiest way to send photos of your panel.
We serve all five boroughs (Manhattan, Brooklyn, Queens, the Bronx, and Staten Island), Long Island, and the tri-state area. Rules differ by location. In New York City, the Multiple Dwelling Law and HPD enforcement shape intercom work in apartment buildings. On Long Island, the NYC rule does not apply directly, and local town or village codes and state codes apply instead. Landmarked buildings may also need Landmarks Preservation Commission approval for exterior changes.
Yes, DSS technicians are fully trained and certified to install and repair intercoms, security cameras, and access control systems, and they follow strict safety standards on every job. Training matters because the work mixes low-voltage wiring, door-release power, and network equipment. A technician has to tell a dead transformer from a failed electric strike, or a wiring fault from a bad apartment unit, without leaving the building door unsecured.
Yes, and many of our customers manage several buildings. We handle repairs, upgrades, and new installs, and we give each building its own quote. Separate quotes make sense because two buildings on the same block can have different wiring, different brands, and different entry panels. A board or manager can then compare costs building by building and approve work at one address without committing the whole portfolio.
Yes, every job starts with a free quote. We inspect your system and explain your options and prices before any work starts. The inspection is what makes the quote reliable, since a price guessed over the phone cannot account for old wiring, a failing power supply, or a panel that no longer takes parts. Prices on our site are average NYC prices, not a DSS price list, so only the inspection gives your exact number.
Yes. Our customer support continues after the install. Call us any time your intercom, cameras, or door entry need attention. For Comelit video intercom installs, Comelit material carries a 3-year guarantee and our service and labor carry a 1-year guarantee. Comelit systems also have no monthly fee. When you call, have the address ready and describe what the panel or monitor is doing, such as no sound, no picture, or no door release.
Think of it as two clocks. On Comelit video intercom installs, we offer a 3-year guarantee on Comelit material and a 1-year guarantee on service and labor. A defect in a device falls under the first clock. A problem with how something was installed falls under the second. Wiring that was already in the walls before our install, common in older NYC buildings, is something we assess during the inspection.
Yes, Douglas Security System is licensed and insured, and our technicians install and repair intercom, camera, and access control systems across NYC and Long Island. When you hire an intercom contractor, check two things first. A license shows the company may legally do the work, and insurance covers damage or injury on the property. Co-op boards and landlords commonly require both before a vendor enters lobbies and apartments.