33 Harvard St. Brookline, MA 02445

(617) 566-1212

33 Harvard St. Brookline, MA 02445

(617) 566-1212


Commercial Grade Exit Alarms

Secure your exits with the right exit alarms for your commercial space. We have the inventory and expertise to solve your exit alarm challenges, oftentimes in 48 hours or less.

Your partners for emergency exit door alarm installation, supply, and delivery in Boston

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Alarm locks

The right alarm lock, right now

Whether attached to the exit device or hung on the door, we have the exit alarm you need to replace your previous alarm or upgrade your security.

Exit Alarm Brands We Carry

We provide fast, local access to nearly every top lock brand available, including Arrow, Alarm lock, Detex, Falcon, and Von Duprin.

Get started with delivery, installation, or pickup today

  • One call solution

    Supply, deliver, install - one call does it all. We're Boston's partner for expert door hardware and locksmith projects.

  • Expert consultation available

    Not sure where to start? Start by giving us a call and discussing your project with a professional.

  • Serving Boston for nearly 100 years

    Brookline Lock has been a loyal essential business serving the Greater Boston area for nearly 100 years.

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Protection you can count on for your commercial or residential investment.

You don’t want to have to wonder whether you’ve chosen the right exit alarm and whether it’ll function properly throughout its lifespan. That’s why our experts make sure that you get the exit alarm that works best for your building and budget, whether you’ve got one door or 100. 

 Let our experts guide you through the inventory and make a selection that works for your project. Or, just reach out and we’ll take the reins. Brookline Lock works to help you feel supported from first contact through product installation. Get in touch with us today, and we’ll get started.

We Make Hardware Simple

1. Tell us About Your Project

Send us an email or call us today to tell us about your problem - or send in a picture!

2. We’ll Propose a Solution

Once we understand your problem, we'll propose immediate action to solve it. If needed, we'll send an expert to your site to find out the best path forward.

3. Hit the Ground Running

We get to work and do what we do best: being your one call solution for door hardware and locksmithing needs.

Do you have a unique lock, key, or hardware project? Get in touch with us today and speak with a local commercial door expert