Locksmith in Cobble Hill, NY
Golden Key is a licensed, bonded and insured locksmith serving Cobble Hill since 1984. Our professional technicians provide residential and commercial lock changes, rekeying, high-security hardware installation, emergency lockout service and security solutions throughout Cobble Hill — Court Street, Clinton Street, Henry Street, Smith Street and the blocks between Atlantic Avenue and Degraw Street. Zip code 11201.
Cobble Hill is a landmarked residential neighborhood of brownstones, townhouses and prewar walk-ups with a commercial corridor on Court and Smith Streets. The residential buildings require period-appropriate hardware, co-op board compliance and the quality of locksmith service that a high-value Brooklyn brownstone neighborhood expects. Our team carries Medeco, Mul-T-Lock, Schlage, Yale and decorative hardware with the finish options these properties require.
Every Golden Key technician is trained, licensed and background-checked. Cobble Hill brownstone owners, co-op boards and residents trust our professional, insured locksmith service — four decades of Brooklyn experience.
Posted on Kamen RiderTrustindex verifies that the original source of the review is Google. Clean lockout service in the East Village. Quick, no damage, price was fair. Straightforward.Posted on Caiden WeinmannTrustindex verifies that the original source of the review is Google. I was locked out of my apartment late at night and feeling pretty stressed. I called Golden Key and they arrived in less than 30 minutes. The technician was professional, fast, and got me back inside without any damage to the door. Incredible service!Posted on John HydeTrustindex verifies that the original source of the review is Google. Fast, professional, and affordable. They fixed my jammed door lock in a heartbeat. The technician was very friendly and knew exactly what he was doing. My go-to locksmith from now on!Posted on Claude SimonTrustindex verifies that the original source of the review is Google. I lost my house keys and was worried about security. I called for a re-keying service, and they sent someone out the same day. The locksmith was very polite and made sure all my doors were working perfectly with the new keys. Great peace of mind knowing my home is secure again.Posted on Fred HardtTrustindex verifies that the original source of the review is Google. We needed to upgrade the security for our small office in Manhattan. The team was fantastic—they installed heavy-duty commercial locks and set up a master key system for us. They worked quietly and didn't disrupt our business hours. Very impressed with their expertise.Posted on Bobbi AmesTrustindex verifies that the original source of the review is Google. It’s hard to find an honest locksmith in the city who doesn't change the price once they arrive. These guys gave me a quote over the phone and stuck to it. They replaced my broken cylinder quickly and were very professional throughout. Transparent and reliable service!Posted on Rebecca ValdezTrustindex verifies that the original source of the review is Google. I accidentally left my keys in the ignition and got locked out of my car while running errands. I was stressed, but the response was incredibly fast. The technician arrived with the right tools and had my door open in minutes without a single scratch on the car. Absolute lifesavers in NYC!Posted on gonzalo ramirezTrustindex verifies that the original source of the review is Google. Super impressed with the service. I had a complex smart lock installation that I couldn't figure out myself. The technician handled it with ease and made sure everything was synced perfectly before leaving. Very professional and tidy work. 10/10!Posted on Tracy CaytonTrustindex verifies that the original source of the review is Google. Just moved into a new place and needed all the locks changed for security. The service was excellent—the locksmith was very knowledgeable and helped me pick the best high-security locks for my front door. Fast, friendly, and very fair pricing. Highly recommended!Posted on Mary GarnerTrustindex verifies that the original source of the review is Google. I was locked out of my apartment late at night and was starting to panic. I called for help, and the technician arrived in less than 20 minutes! He was professional, quick, and got me back inside without damaging the lock. If you're looking for a reliable locksmith in NYC, this is the one to call.Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. How Trustindex verifies this badge
24/7 emergency locksmith service in Cobble Hill. Licensed technicians with 20 to 25 minute response times. Brownstone, co-op and walk-up lockouts. Non-destructive entry, on-site replacement, fully insured. Call (212) 204-1655.
Information & Prices
Golden Key Locksmith NYC since 1984
Licensed Cobble Hill Locksmith — Brownstones, Townhouses & Commercial
Our locksmith and emergency services are available in the following areas in Cobble Hill, NY.
Golden Key Locksmith NYC services the neighborhoods of Cobble Hill
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Cobble Hill Lock & Security Services
Residential: lock changes, rekeying, high-security deadbolts, brownstone multi-point locks, mortise restoration, co-op and landmark compliant hardware, building entrance security. Commercial: Court Street retail and restaurant hardware, rolling gate locks.
All hardware is professional-grade, manufacturer-warranted and available in period finishes. All installations meet NYC building code, fire safety and landmark requirements.
Cobble Hill Home Security — Landmark Properties, Professional Hardware
Cobble Hill’s landmarked properties require hardware that meets preservation standards while providing genuine security. We install high-security hardware behind period-appropriate exteriors, reinforce brownstone entries with multi-point locks, and service the commercial corridor’s storefronts with commercial-grade hardware.
Licensed, insured and specialized in Cobble Hill’s landmark brownstone requirements.
- 40 YEARS EXPERIENCE
- CLIENT SATISFACTION GUARANTEED
- 328 Columbus Ave New York, NY 10023
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Mon - Fri : 8:30 AM - 5:00 PM <- Showroom Hours.
Emergency Service : 24/7 - (212) 204-1655
Testimonials
We Are Trusted Over 40 Years
Licensed locksmith service in Cobble Hill since 1984 — trusted by brownstone owners and residents in one of Brooklyn’s most cherished neighborhoods. Golden Key: Cobble Hill’s locksmith.
Needed urgent lock change for our DUMBO store. They used Mul-T-Lock cylinders for extra security. Highly recommend.
Kenny replaced weatherstripping on a revolving door at our Upper West Side building. Immediate improvement. The lobby feels like it's summer again during the dead of winter.

Mark came to our apartment after we couldn't lock the door. He replaced the internal cylinder and made it safer with a Mul-T-Lock upgrade.