Top-rated locksmiths.

Get matched with top locksmiths in New Castle, DE

Enter your zip and get matched with up to 5 pros

Need a pro for your locksmith service project in New Castle, DE?

Select your specific project to find the pro for you.

TRUSTED BY NEW CASTLE, DE HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon70
    Verified locksmith services reviews

Find Locksmiths in New Castle

Lockmobile

5.00(
11
)
•Approved Pro

Lockmobile

5.00(
11
)
•Approved Pro
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers

We specialize in mobile locksmith services, lock outs, and key duplication/lost car keys. We pride ourselves on the quality work we provide, while delivering great customer service. Please see the services we offer below and call -or- click to schedule an estimate today!

"Brian was very professional and responsive. Not being able to be onsite for the repair, Brian kept me updated through the entire process, including photos throughout the repair. I would definitely recommend Brian for anyone looking for a reliable and skilled locksmith."

Ed D on December 2025

We specialize in mobile locksmith services, lock outs, and key duplication/lost car keys. We pride ourselves on the quality work we provide, while delivering great customer service. Please see the services we offer below and call -or- click to schedule an estimate today!

"Brian was very professional and responsive. Not being able to be onsite for the repair, Brian kept me updated through the entire process, including photos throughout the repair. I would definitely recommend Brian for anyone looking for a reliable and skilled locksmith."

Ed D on December 2025

A & S Locksmith LLC

5.00(
2
)
•Approved Pro

A & S Locksmith LLC

5.00(
2
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
35 years of experience

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!

"Great job!"

ruth h on May 2024

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!

"Great job!"

ruth h on May 2024

Jack's Locksmith, LLC

4.97(
221
)

Jack's Locksmith, LLC

4.97(
221
)
Customers say: Quick response
Recommended by 99% of Angi customers
Recommended by 99% of HomeAdvisor customers

CALL 908-510-1173 FOR FASTEST RESPONSE. You can also email me directly at [email protected]. SERVING MIDDLESEX AND UNION COUNTIES IN CENTRAL NJ Full Service Licensed Locksmith – 20 Years Experience Residential / Commercial / Industrial Safes - Opened / Repaired / Installed 100% Mobile Service - Lost Your Keys? No Problem, Keys Made on the Spot for Your Home or Business. - Damaged or Weak Door or Frame? Special Decorative Reinforcement Metal Plates for Doors and Frames. - Patio and Storm Door Locks. - Keyless Entry Locks. ALL WORK DONE BY OWNER.

"We set up an appointment quickly, Jack came on time, fixed the problems and did the work in about 45 minutes, made sure we were happy with the results, and charged a very reasonable price. He was cheerful and friendly. For this sort of problem, we would now not call anyone else."

William M on June 2022

CALL 908-510-1173 FOR FASTEST RESPONSE. You can also email me directly at [email protected]. SERVING MIDDLESEX AND UNION COUNTIES IN CENTRAL NJ Full Service Licensed Locksmith – 20 Years Experience Residential / Commercial / Industrial Safes - Opened / Repaired / Installed 100% Mobile Service - Lost Your Keys? No Problem, Keys Made on the Spot for Your Home or Business. - Damaged or Weak Door or Frame? Special Decorative Reinforcement Metal Plates for Doors and Frames. - Patio and Storm Door Locks. - Keyless Entry Locks. ALL WORK DONE BY OWNER.

"We set up an appointment quickly, Jack came on time, fixed the problems and did the work in about 45 minutes, made sure we were happy with the results, and charged a very reasonable price. He was cheerful and friendly. For this sort of problem, we would now not call anyone else."

William M on June 2022

Top Notch Home Improvement

4.89(
278
)

Top Notch Home Improvement

4.89(
278
)
Customers say: Super punctual
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers

Owner-operated. No subs. Cost is determined by job. Travel charges may apply. After hours charges may apply.

"Replaced range hood and ceiling fan and replaced a bad electrical outlet. He was able to remedy and make professional recommendations."

Wade C on October 2020

Owner-operated. No subs. Cost is determined by job. Travel charges may apply. After hours charges may apply.

"Replaced range hood and ceiling fan and replaced a bad electrical outlet. He was able to remedy and make professional recommendations."

Wade C on October 2020

A1 Security Center

5.00(
35
)

A1 Security Center

5.00(
35
)
Customers say: Quick response
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers

Since 1971, our locksmith company in Malvern, Pennsylvania, has been the top choice for steadfast services for your automotive, commercial, or residential needs. From changing your safe's combination to installing new locks around your business, A-1 Security Center does it all. Dedicated to providing prompt, courteous, and professional service! Maintaining a high level of technical expertise to provide the best products available to meet our customer's needs.

Since 1971, our locksmith company in Malvern, Pennsylvania, has been the top choice for steadfast services for your automotive, commercial, or residential needs. From changing your safe's combination to installing new locks around your business, A-1 Security Center does it all. Dedicated to providing prompt, courteous, and professional service! Maintaining a high level of technical expertise to provide the best products available to meet our customer's needs.

Avatar for Guardian Protection

Guardian Protection

4.74(
2,120
)

Guardian Protection

4.74(
2,120
)
Customers say: Super punctual
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

Protecting homes and businesses since 1950, Guardian Protection is one of the nation's largest and most highly regarded security companies. We provide smart technology, 24/7 professional monitoring, and peace of mind to hundreds of thousands of customers. Our products are installed by experts, monitored by real people, and truly make a difference. We do what we do because of one simple truth: life is better when it's safe.

"We hired Guardian to install our security system at our Washington, DC, business. The service and quality of the work was horrible. We had cameras and an alarm system installed; it was a relatively large system. They outsource most of the work to various vendors. They could not manage their vendors; what was supposed to take a week took two months. The sales rep did not return calls, and you could never get anyone in management on the phone. Random people would show up at unannounced times. The few things that an actual Guardian employee did were they made a huge mess of our newly remodeled office and were rude to our staff. We have offices in five markets across the US and have high security at each; we have never had such a poor experience."

William M on December 2024

Protecting homes and businesses since 1950, Guardian Protection is one of the nation's largest and most highly regarded security companies. We provide smart technology, 24/7 professional monitoring, and peace of mind to hundreds of thousands of customers. Our products are installed by experts, monitored by real people, and truly make a difference. We do what we do because of one simple truth: life is better when it's safe.

"We hired Guardian to install our security system at our Washington, DC, business. The service and quality of the work was horrible. We had cameras and an alarm system installed; it was a relatively large system. They outsource most of the work to various vendors. They could not manage their vendors; what was supposed to take a week took two months. The sales rep did not return calls, and you could never get anyone in management on the phone. Random people would show up at unannounced times. The few things that an actual Guardian employee did were they made a huge mess of our newly remodeled office and were rude to our staff. We have offices in five markets across the US and have high security at each; we have never had such a poor experience."

William M on December 2024

B & M Lockout Svc

4.98(
50
)

B & M Lockout Svc

4.98(
50
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

I am a sole propreitor, the voice on the phone is the face at the door. I service a "4" four county area. Most jobs serviced with in "1" one hour response time if not sooner. Don't be fooled by the big ads in the phone book. All jobs are quoted on the phone. My company philosophy is that all the customer's needs are met with the highest quality of workmanship, expedience and professionalism. Every customer is treated like a member of my family. No extra charge for weekends. Senior citizen and Military discounts.

"I called Bryan and we immediately set up a convenient appointment to have the work done. Bryan came when scheduled and did a great job for the service we requested. He was very courteous and professional and also offered good suggestions on some general questions that we had. The price was very reasonable. Would hire again and recommend his work to others."

James F on April 2019

I am a sole propreitor, the voice on the phone is the face at the door. I service a "4" four county area. Most jobs serviced with in "1" one hour response time if not sooner. Don't be fooled by the big ads in the phone book. All jobs are quoted on the phone. My company philosophy is that all the customer's needs are met with the highest quality of workmanship, expedience and professionalism. Every customer is treated like a member of my family. No extra charge for weekends. Senior citizen and Military discounts.

"I called Bryan and we immediately set up a convenient appointment to have the work done. Bryan came when scheduled and did a great job for the service we requested. He was very courteous and professional and also offered good suggestions on some general questions that we had. The price was very reasonable. Would hire again and recommend his work to others."

James F on April 2019

Avatar for Secure For Sure LLC

Secure For Sure LLC

4.79(
232
)

Secure For Sure LLC

4.79(
232
)
Customers say: Super punctual
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

With great workmanship and extensive experience, we have seen it all and are experts in our field. Licensed and insured, we will safely and securely ensure the job is done to your satisfaction. 24/7 emergency, nights, weekends and holidays at no extra charge! Call us today; (888) 691-4045. Additional email - [email protected]. Additional fax - (215) 394-8363.

"They came a little bit early which was good. They started the job and completed the job in a timely and professional matter. Highly would recommend them."

Bruce W on May 2023

With great workmanship and extensive experience, we have seen it all and are experts in our field. Licensed and insured, we will safely and securely ensure the job is done to your satisfaction. 24/7 emergency, nights, weekends and holidays at no extra charge! Call us today; (888) 691-4045. Additional email - [email protected]. Additional fax - (215) 394-8363.

"They came a little bit early which was good. They started the job and completed the job in a timely and professional matter. Highly would recommend them."

Bruce W on May 2023

Avatar for ABC Locksmith Service

ABC Locksmith Service

4.95(
61
)

ABC Locksmith Service

4.95(
61
)
Customers say: Quality work
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers

ABC Locksmith Service has offered complete lock and key services to Wilmington, DE and the surrounding areas since 1992. Locally owned and operated, our biggest concern is your safety. We specialize in finding you the security system that suits your home or business’ needs and fits your budget. Give us a call today to speak with our expert technicians, not a machine. We use only the highest quality products for your safety

"Judy was excellent and A+ communication. She responded very quickly and we were able to text pictures and get options and a quote. She came promptly when she said, very professional, and extremely knowledgable. New set works great. Will definitely use again for locks."

Dennis L on November 2020

ABC Locksmith Service has offered complete lock and key services to Wilmington, DE and the surrounding areas since 1992. Locally owned and operated, our biggest concern is your safety. We specialize in finding you the security system that suits your home or business’ needs and fits your budget. Give us a call today to speak with our expert technicians, not a machine. We use only the highest quality products for your safety

"Judy was excellent and A+ communication. She responded very quickly and we were able to text pictures and get options and a quote. She came promptly when she said, very professional, and extremely knowledgable. New set works great. Will definitely use again for locks."

Dennis L on November 2020

...
Showing 1-10 of 302
Locksmiths questions, answered by experts

There are many types of deadbolts, but these tips work on most. First, address any grime buildup. A bit of WD-40 will loose up rust and dirt so the deadbolt can turn. Inspect the door and frame alignment if this doesn't resolve the issue. Adjust the strike plate or the deadbolt's position to improve alignment. If the problem persists, disassemble the lock to inspect for damaged or worn parts. If you are unsure how to do it, hire a local locksmith.

Yes, as long as it’s thick enough for the deadbolt. Most interior hollow core doors are at least 1 1/2-inches thick, which is usually the minimum requirement for a deadbolt. You’ll want to find the lock block first before installing. Also, most hollow doors require additional reinforcement for locks, such as a reinforcement plate or plywood block.

Using a combination of tools (often store-bought plumbing tools) and brute force, a burglar can easily snap the lock on a door. Snapping a lock aims to gain access to the cylinder inside, which holds the locking mechanism. Once the thief snaps the lock, they can pick the cylinder open and walk right in.

When the temps drop, sometimes you need to thaw a lock to regain access. Options include warming the key with warm water, applying a de-icing spray, or using a hair dryer on low heat. Avoid using boiling water to prevent damage. To prevent future freezing, consider installing a cover or shield over the lock to keep water and ice out. Remember to be patient and gentle during thawing to avoid damaging the lock or key. If all else fails, consult a professional locksmith.

As with any computer, smart locks can be hacked by someone with the technical skills to do so, but most people do not have that ability, making smart locks relatively safe. If you have any concerns about a compromised smart lock, opt for an encrypted smart lock, change your Wi-Fi password, and make sure that you only give out your password to trusted family and friends.

The New Castle, DE homeowners’ guide to locksmith services

From average costs to expert advice, get all the answers you need to get your job done.

See all articles

What do you need done? We’ll find top pros.
  • 🌱 "Mow a small front yard"
  • 🛠 "Fix a leaking pipe under the sink"
  • 🏠 "Repair shingles on an asphalt roof"