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TRUSTED BY MARTINEZ, CA HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon112
    Verified locksmith services reviews

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"Josh and his helper did excellent work. The highest peak was over 2 stories and they tackled it like the pros they are. Very nice men and I'm happy with their work."

SANDRA W on September 2025

Full service Home Maintenance & Repair. Specializing in painting, flooring and bathroom/kitchen remodeling. Electrical, plumbing etc. Licensed General Contractor License #1088129

"Josh and his helper did excellent work. The highest peak was over 2 stories and they tackled it like the pros they are. Very nice men and I'm happy with their work."

SANDRA W on September 2025


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


Avatar for Rex Key and Security

Rex Key and Security

4.93(
43
)

Rex Key and Security

4.93(
43
)
Customers say: Super punctual
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Rex Key and Security is a Berkeley locksmith shop with a leading full line service center of physical security hardware. Products designed for the security systems and locksmith needs of commercial, automotive, institutional, industrial and residential markets such as door closers, locksets, exit devices, security key systems, electronic access control systems and supplemental hardware. The broad Rex Key product lines and extensive field and installation experience ensures finding the right product for each security need and situation. Additional phones - (800) 739-5397, (510) 234-6363. Additional email - [email protected]. Additional DBA - Rex-Craft Inc. Award winning. Cost is determined by the job.

Rex Key and Security is a Berkeley locksmith shop with a leading full line service center of physical security hardware. Products designed for the security systems and locksmith needs of commercial, automotive, institutional, industrial and residential markets such as door closers, locksets, exit devices, security key systems, electronic access control systems and supplemental hardware. The broad Rex Key product lines and extensive field and installation experience ensures finding the right product for each security need and situation. Additional phones - (800) 739-5397, (510) 234-6363. Additional email - [email protected]. Additional DBA - Rex-Craft Inc. Award winning. Cost is determined by the job.


Kwik Key Lock & Safe

4.98(
43
)

Kwik Key Lock & Safe

4.98(
43
)
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We’re a locally owned and operated locksmith company in Mountain View. We specialize in excellent service at competitive prices. …and yes we do duplicate keys. In fact, we have the largest selection of key blanks in the area. Our fleet of vans and team of experienced locksmiths are ready to re-key, repair, replace, open or install. For security service you can trust, call Kwik Key.

"Showed up on time and did a thorough job for a very reasonable price."

Park C on December 2021

We’re a locally owned and operated locksmith company in Mountain View. We specialize in excellent service at competitive prices. …and yes we do duplicate keys. In fact, we have the largest selection of key blanks in the area. Our fleet of vans and team of experienced locksmiths are ready to re-key, repair, replace, open or install. For security service you can trust, call Kwik Key.

"Showed up on time and did a thorough job for a very reasonable price."

Park C on December 2021


A-A Lock

5.00(
19
)

A-A Lock

5.00(
19
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

The professionals at A-A Lock believe that customer service is more than just an old-fashioned ideal, it's the foundation upon which a successful business is built. This motto has served us well for over 50 years, and has earned us a reputation for quality within the community we protect. Some of the most technologically advanced and successful companies in the world have trusted our expertise, including Hewlett Packard, Federal Express, IBM, eBay, and American Express. If you've experienced the inconvenience and frustration of a lockout in Menlo Park or anywhere in the bay area, you know how important it is to trust a locksmith that's readily available at any time of day or night, and will make your situation a top priority. At A-A Lock, we've proudly served both individual and commercial needs since 1957, and our name is synonymous with an unparalleled standard of excellence. We understand that finding yourself on the wrong side of a locked door, particularly late at night, can be a stressful situation. Our team is there 24 hours a day, 7 days a week, to provide emergency lockout service that's prompt, affordable, and reliable. It's easy to deal with a lockout or any security need in the Bay Area when you count on the professional team at A-A Lock to come to your rescue. With a fleet of 25 well-maintained vehicles, and two convenient Bay Area locations waiting to serve you. We're the obvious solution for a full range of security needs. No job is too large or too small for us to handle, and even in the most stressful of situations, you can always count on service with a smile. Call today, and see why we're the area's premier security solution center! How we are different from our competitors A-A Lock sets itself apart from other companies with our: • Thorough understanding and experience in providing solutions for a wide range of security applications. • Extensive list of knowledge of products including: residential and commercial systems of all types; electronic access, safes, keys, hardware, pushbutton locks, mortise locks, deadbolts, cylindrical locks, access control networks, electric strike releases, alarm systems, and more. • Strong commitments and long term relationships with our customers • 25 Vehicle Fleet Service • 2 convenient Bay Area retail locations to serve you • State of the Art equipment • 24 Hour Service please call for faster service 650-326-9020

The professionals at A-A Lock believe that customer service is more than just an old-fashioned ideal, it's the foundation upon which a successful business is built. This motto has served us well for over 50 years, and has earned us a reputation for quality within the community we protect. Some of the most technologically advanced and successful companies in the world have trusted our expertise, including Hewlett Packard, Federal Express, IBM, eBay, and American Express. If you've experienced the inconvenience and frustration of a lockout in Menlo Park or anywhere in the bay area, you know how important it is to trust a locksmith that's readily available at any time of day or night, and will make your situation a top priority. At A-A Lock, we've proudly served both individual and commercial needs since 1957, and our name is synonymous with an unparalleled standard of excellence. We understand that finding yourself on the wrong side of a locked door, particularly late at night, can be a stressful situation. Our team is there 24 hours a day, 7 days a week, to provide emergency lockout service that's prompt, affordable, and reliable. It's easy to deal with a lockout or any security need in the Bay Area when you count on the professional team at A-A Lock to come to your rescue. With a fleet of 25 well-maintained vehicles, and two convenient Bay Area locations waiting to serve you. We're the obvious solution for a full range of security needs. No job is too large or too small for us to handle, and even in the most stressful of situations, you can always count on service with a smile. Call today, and see why we're the area's premier security solution center! How we are different from our competitors A-A Lock sets itself apart from other companies with our: • Thorough understanding and experience in providing solutions for a wide range of security applications. • Extensive list of knowledge of products including: residential and commercial systems of all types; electronic access, safes, keys, hardware, pushbutton locks, mortise locks, deadbolts, cylindrical locks, access control networks, electric strike releases, alarm systems, and more. • Strong commitments and long term relationships with our customers • 25 Vehicle Fleet Service • 2 convenient Bay Area retail locations to serve you • State of the Art equipment • 24 Hour Service please call for faster service 650-326-9020


Avatar for Modern Lock & Security

Modern Lock & Security

4.83(
48
)

Modern Lock & Security

4.83(
48
)
Customers say: Super punctual
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

Serving San Jose and Silicon Valley for all your locksmith Needs locksmith service for San Jose and Silicon Valley. Modern Lock & Security has been providing the same quality service since 1948. Modern Lock & Security is your friendly neighborhood locksmith. Locally owned and family operated to provide you with the best quality service. Today we offer a mobile service as well as a full service shop. call for an on time appointment or come by the shop today. Accepts payments: cash, check, all major credit cards. Normal service hours Mon-Sat 8:00 AM-6:00 PM. Limited after hours service Mon-Sat 6:00 PM- 11:00 PM. Shop hours Tues-Sat 11:00 PM-5:30 PM (Sunday & Monday by appt only. Additional phone number - (408) 984-0372. Locally owned and family operated.

"Darrin fixed an increasingly problematic front door mortise lock. Works swell now; it was a toughie. He also fixed two other outside door locks that had been iffy. Prior repairman who had installed the locks and doors didn't do a great job. Now we have working and locking doors. Spiffy. I thought the price was very reasonable. He was professional and knowledgeable. Will hire him again for any lock issues. I wish I had done this over a year ago instead of dreading it (afraid we would have to replace the locks or doors)."

Ceal C on May 2019

Serving San Jose and Silicon Valley for all your locksmith Needs locksmith service for San Jose and Silicon Valley. Modern Lock & Security has been providing the same quality service since 1948. Modern Lock & Security is your friendly neighborhood locksmith. Locally owned and family operated to provide you with the best quality service. Today we offer a mobile service as well as a full service shop. call for an on time appointment or come by the shop today. Accepts payments: cash, check, all major credit cards. Normal service hours Mon-Sat 8:00 AM-6:00 PM. Limited after hours service Mon-Sat 6:00 PM- 11:00 PM. Shop hours Tues-Sat 11:00 PM-5:30 PM (Sunday & Monday by appt only. Additional phone number - (408) 984-0372. Locally owned and family operated.

"Darrin fixed an increasingly problematic front door mortise lock. Works swell now; it was a toughie. He also fixed two other outside door locks that had been iffy. Prior repairman who had installed the locks and doors didn't do a great job. Now we have working and locking doors. Spiffy. I thought the price was very reasonable. He was professional and knowledgeable. Will hire him again for any lock issues. I wish I had done this over a year ago instead of dreading it (afraid we would have to replace the locks or doors)."

Ceal C on May 2019


ALMOST EVERYTHING

4.59(
61
)

ALMOST EVERYTHING

4.59(
61
)
Customers say: Super punctual
1987 years of experience

Owner operated single employee. Services as described below. Rates are $50 per hour plus materials with a one hour minimum. There is a service charge of $20 for distances over 20 miles round trip. Payment by cash or check. No debit or credit card payments. Senior discount of 10% for age 62 and over.

Owner operated single employee. Services as described below. Rates are $50 per hour plus materials with a one hour minimum. There is a service charge of $20 for distances over 20 miles round trip. Payment by cash or check. No debit or credit card payments. Senior discount of 10% for age 62 and over.


Avatar for REED BROTHERS SECURITY

REED BROTHERS SECURITY

4.64(
80
)

REED BROTHERS SECURITY

4.64(
80
)
Customers say: Quality work
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers

Reed Brothers Security provides a variety of superior locksmith and alarm services. Whether you're interested in locks, safes, hand rails, gates or access controls, Reed Brothers Security can help enhance the safety of your home and office. 24/7 lock out services for your auto, home or business. Our Locksmith and Alarm staff is available 24/7 for alarm repairs, emergency lockouts, kicked in door repairs, lock installations, re-keying of locks, the fitting of keys to locks, and safe repairs, safe openings (lock outs), and any other lock or key problem you might have. Our locksmiths service all brands of locks and specialize in Schlage, Medeco, and Mul-T-Lock. We are a Medeco Service Center with locksmith specialties in Medeco m3, Nexgen XT, Medeco Logic, and Aperio Technology.

"DO NOT USE THEM!!! First they required a credit card to come out then they came out and spent an hour attempting to rekey my lock but couldn't then charged me $150 for doing nothing because they claim the lock was damaged. They gave me a quote to replace the Anderson lock for an absurd amount like thousands of dollars. Then I had another locksmith replace the cylinder in less than an hour and it was all done. I requested a refund and they refused so I disputed with my credit card and Reeds had the audacity to call me to tell me llied and asked me if how I could sleep at night. I asked him how he could sleep at night because I told the truth and they tried to scam me. They are highly unethical!"

May F on June 2025

Reed Brothers Security provides a variety of superior locksmith and alarm services. Whether you're interested in locks, safes, hand rails, gates or access controls, Reed Brothers Security can help enhance the safety of your home and office. 24/7 lock out services for your auto, home or business. Our Locksmith and Alarm staff is available 24/7 for alarm repairs, emergency lockouts, kicked in door repairs, lock installations, re-keying of locks, the fitting of keys to locks, and safe repairs, safe openings (lock outs), and any other lock or key problem you might have. Our locksmiths service all brands of locks and specialize in Schlage, Medeco, and Mul-T-Lock. We are a Medeco Service Center with locksmith specialties in Medeco m3, Nexgen XT, Medeco Logic, and Aperio Technology.

"DO NOT USE THEM!!! First they required a credit card to come out then they came out and spent an hour attempting to rekey my lock but couldn't then charged me $150 for doing nothing because they claim the lock was damaged. They gave me a quote to replace the Anderson lock for an absurd amount like thousands of dollars. Then I had another locksmith replace the cylinder in less than an hour and it was all done. I requested a refund and they refused so I disputed with my credit card and Reeds had the audacity to call me to tell me llied and asked me if how I could sleep at night. I asked him how he could sleep at night because I told the truth and they tried to scam me. They are highly unethical!"

May F on June 2025


Avatar for Prolocksmiths 24/7

Prolocksmiths 24/7

4.66(
32
)

Prolocksmiths 24/7

4.66(
32
)
Customers say: Quick response
2014 years of experience

Prolocksmiths-24/7 value honesty and integrity in all aspects of our business. We offer a variety of locksmith services that are customizable to each individual project. We specialize in home, business, and auto locksmith services. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships with our clients and guarantee your satisfaction!

"When I called Prolocksmith I got a dispatch person who seemed to be working from home. She was quick in trying to connect me with someone to do the work. Referred me to discuss rate and other specifics with the locksmith who would be performing the work. The actual locksmith called me within 5 minutes and indicated that he would be at my place in 20 minutes. I had to interrupt him to tell him what type of lock was on my door. Also when I asked about rates, he said that he would not be able to tell until he was there and I could opt out at that time. Locksmith who showed up was with another company and did not know anything about Angieslist. He tried to give me some sort of a discount but said the software on his smartphone would not let him. Upside, he arrived within 30 minutes. Downside, cost $272 and I am not sure what company opened my door but it was not the licensed Prolocksmiths."

Valerie C on June 2021

Prolocksmiths-24/7 value honesty and integrity in all aspects of our business. We offer a variety of locksmith services that are customizable to each individual project. We specialize in home, business, and auto locksmith services. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships with our clients and guarantee your satisfaction!

"When I called Prolocksmith I got a dispatch person who seemed to be working from home. She was quick in trying to connect me with someone to do the work. Referred me to discuss rate and other specifics with the locksmith who would be performing the work. The actual locksmith called me within 5 minutes and indicated that he would be at my place in 20 minutes. I had to interrupt him to tell him what type of lock was on my door. Also when I asked about rates, he said that he would not be able to tell until he was there and I could opt out at that time. Locksmith who showed up was with another company and did not know anything about Angieslist. He tried to give me some sort of a discount but said the software on his smartphone would not let him. Upside, he arrived within 30 minutes. Downside, cost $272 and I am not sure what company opened my door but it was not the licensed Prolocksmiths."

Valerie C on June 2021


Avatar for Lock Genius Solutions

Lock Genius Solutions

4.86(
14
)

Lock Genius Solutions

4.86(
14
)
Customers say: Quick response
2013 years of experience

Lock Genius Solutions is your local locksmith and security experts that are here for all your Residential, Commercial, Automotive, Roadside Assistance and Emergency needs. We offer fast, trustworthy, reliable and 24 hour emergency locksmith service for the San Francisco and South San Francisco Bay Area.

Lock Genius Solutions is your local locksmith and security experts that are here for all your Residential, Commercial, Automotive, Roadside Assistance and Emergency needs. We offer fast, trustworthy, reliable and 24 hour emergency locksmith service for the San Francisco and South San Francisco Bay Area.

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Locksmiths questions, answered by experts

It depends on the quality of the keyless lock and usage, but in general, you can expect a keyless lock to last around three to five years. The batteries typically last around six to 12 months. The good news is most keyless locks include a low battery indicator so you can receive ample warning if your battery is about to die.

Yes, keyless locks can deter burglars, mostly because they boost security and offer advanced features. Most models allow for unique codes or temporary access, making it harder for intruders to break in. Many of these smart locks even alert you if someone tries to tamper with them. However, you need to remember that while they provide an added layer of protection, no lock is completely foolproof. Pairing these locks with good security habits—like proper lighting and surveillance cameras—creates a strong defense to help stop intruders in their tracks.

Regrettably, entirely pick-proof locks don't exist unless you opt for keyless varieties. Locks advertised as "pick-proof" are, in reality, more resilient against lock-picking and bumping attempts because of complex mechanisms consisting of pins and sidebars. These locks work like this—they assign two tasks to the key, enhancing security by making unauthorized entry more challenging.

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.

The cost to rekey locks on your home is $40 to $100 plus $15 to $40 per lock. Rekeying means you can keep your existing locks but simply change the key. You’ll still need a pro to cut a new key and rekey the lock, but no new hardware is required. Rekeying is a good option if:

  • You need a quick way to upgrade your current locks

  • You have a quality lock that works well

  • You recently moved in and want to ensure you’re the only one with access

  • You lost a key

The Martinez, CA homeowners’ guide to locksmith services

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