Serving Greenwich & Surrounding Communities Since 1998

Security Done Right
— Since 1998.

Greenwich Door & Lock brings over two decades of hands-on expertise to every lock, door, and access control project — for homes and businesses throughout Greenwich, CT.

Est. 1998
Residential & Commercial
Advice Always Free
Why Greenwich Trusts Us

Established Since 1998

Over two decades of trusted service to Greenwich and surrounding communities.

Advice Is Always Free

Honest, no-pressure guidance on any security question — no purchase required.

Top Brands, Expert Install

The finest residential and commercial hardware brands installed with craftsmanship.

One Stop for Security

Locks, doors, hardware, safes, and access control — all from one expert team.

Dependable Technicians

Trained across a wide range of security products — every job done right the first time.

What We Do

Complete Security
Solutions, Under One Roof.

From a single rekeying job to a full commercial access control overhaul — we handle every aspect of security for homes and businesses in Greenwich.

Most Requested

Residential & Commercial Locksmithing

Complete security solutions including lock installation, rekeying, high-security upgrades, master key systems, and antique lock restoration for homes and businesses of all sizes.

Architectural Hardware

Baldwin, Emtek, Schlage, Medeco, Yale, Von Duprin, and more — sold and installed with expert precision.

Door Sales & Installation

Front entryways, French doors, patio sliders, storefront doors, frameless glass, fire-rated doors, and more.

Electronic Access & Keyless Entry

Nest residential, card/fob readers, magnetic locks, and commercial video/intercom systems.

Safe Sales & Service

American-made Gardall and American Security Products fire and burglary safes — sold, installed, and serviced.

Emergency Lockout Services

Locked out of your home or office? Our skilled technicians respond to lockout emergencies throughout Greenwich.

Rekeying & Key Duplication

The smart, cost-effective way to ensure only the right people have access — no full hardware replacement needed.

Our Expertise

Depth of Knowledge,
Breadth of Service.

Expert Lock Installation & Repair

From high-security deadbolts and mortise locks to antique lock restoration, our technicians handle every lock type with precision and care.

Master Key Systems

Professionally designed master key and grand master key systems tailored to your specific layout and security requirements.

Premium Architectural Hardware

We carry and install the finest brands — Baldwin, Emtek, Schlage, Medeco, and more — bringing both beauty and security to every door.

Electronic Access & Keyless Entry

Nest residential systems to commercial card readers, magnetic locks, and video/intercom systems — keeping you in control, always.

Full-Range Door Solutions

We sell, install, and service residential and commercial doors including front entryways, French doors, fire doors, frameless glass doors, and more.

Safe Sales & Service

Protect your valuables with American-made Gardall and American Security Products fire and burglary safes — we help you choose the right model.

1998
The Year We Started.
Still Here. Still the Best.
28+
Years in Business
8
Core Services
100%
Free Advice
CTi
Greenwich, CT
Our Story

A Greenwich Institution,
Built on Trust.

Greenwich Door & Lock has been a fixture of the Greenwich community since 1998 — built on a simple promise: deliver unsurpassed expertise with honest, personal service. Over more than two decades, we've earned the loyalty of homeowners, property managers, and business owners throughout Greenwich and its surrounding communities.

What sets us apart is our depth of knowledge and the quality of what we carry. From the finest decorative hardware brands to Medeco high-security locks, from American-made safes to sophisticated electronic access control systems — we bring everything you need under one expert roof. And because we believe informed customers make better decisions, our advice is always free.

In 2026, we proudly relaunched as Greenwich Door & Lock, LLC — a fresh identity that reflects our growth and evolution while honoring the reputation we've spent decades building. Our team of knowledgeable, dependable technicians remains committed to assessing and addressing your security needs with the same care and precision that has defined us from day one.

Brands We Carry
Baldwin Emtek Schlage Medeco Yale Von Duprin Gardall Nest Sargent LCN
How It Works

From First Call
to Lasting Security.

01

Free Consultation

We start by listening. Tell us your security needs and we'll assess your situation with no obligation and no pressure.

02

Tailored Recommendation

Our experts recommend the right locks, hardware, or access systems for your specific property, budget, and security level.

03

Professional Installation

Our technicians handle every installation with precision and efficiency, ensuring everything works perfectly.

04

Ongoing Support

We stand behind our work. Whether you need a follow-up adjustment, service call, or upgrade, Greenwich Door & Lock is here for the long run.

Common Questions

Frequently Asked
Questions.

Yes — we work with homeowners, property managers, and commercial properties of all sizes throughout Greenwich and surrounding communities.

We carry an extensive selection including Baldwin, Emtek, Schlage, Omnia, Merit, Medeco, Sargent, Corbin/Russwin, Yale, LCN, Von Duprin, Adams Rite, HES, Folger Adams, and Nest, among others.

Yes, we provide emergency lockout services for homes and businesses in Greenwich and surrounding areas. Contact us directly for fast assistance.

Rekeying changes the internal pins of your lock so old keys no longer work — without replacing the hardware. It's ideal when moving into a new home, after losing keys, or following a change in tenants.

Yes. We design and install master key and grand master key systems for residential and commercial properties, giving you controlled access across multiple doors with a single master key.

We install Nest wireless systems for residential keyless entry, as well as commercial-grade card/key fob readers, magnetic locks, and video/intercom systems for business applications.

Absolutely. We carry American-made fire and burglary safes from Gardall and American Security Products. We'll assess your needs and recommend the right model — advice is always free.

Yes — we sell, install, and service a full range of residential and commercial doors including front entryways, French doors, patio sliders, storefront doors, frameless glass doors, fire doors, and more.

Ready to Get Started?

Secure Your Property.
Start with a Free Call.

Greenwich Door & Lock offers free consultations, no-pressure recommendations, and expert installations. Get in touch today — advice is always free.