Tanush Arora
Sep 10, 2026
didnt even know my lock was a problem till last dude made it worse. these guys fixed it last week and just came back to help again. glad they got it right this time!

Rekeying is the Sun City line’s specialty: old keys stop working and your locks stay on the door. We also replace locks, fit lever handles and keypad deadbolts, open lockouts and make car keys. Call (623) 404-1151.
Serving Sun City, AZ(623) 404-1151Emergency callout 24/7
Diamondback Rekey Locksmith is the Sun City line of Diamondback Lock & Key. Family-owned and serving Arizona since 2009. Reach the Sun City line at (623) 404-1151, or use the form on this page.
Our technicians come to your home. The service vans carry a key machine and a pinning kit, so locks are rekeyed and new keys cut at your door, and you get a clear estimate before any work starts. The Google reviews on this page come from Diamondback Lock & Key customers.
Sun City opened in 1960, and many homes here have changed hands more than once. Keys from earlier owners, their families, caregivers, agents and neighbors can still be around. Rekeying changes the pins inside each lock so all of those keys stop working, while your handles and deadbolts stay where they are.
It is also the simple fix when a key goes missing, when a house-sitter or caregiver no longer needs access, or when you are settling a relative’s home. Rekey every lock the old key opened, including the door from the garage or carport and any Arizona room door, or the old key still works there.
Want one key for every door? That works when the locks share a compatible keyway. Tell us the brands and how many locks you have, and we will say what it takes before we book.
Rekeying is the focus, but it is not all we do.
Easier to work than a round knob for anyone with a weak grip, and keyed to match your other locks.
A code instead of a key for family or helpers, with a key backup matched to your other locks.
Keyless entrySticking, loose or worn locks repaired, or replaced when they are past repair.
Lock replacement servicesLocked out? Emergency callouts run 24 hours a day, 7 days a week.
House lockout serviceMailbox locks rekeyed or replaced when a key is lost or the home changes hands.
Mailbox lock serviceRekeying, master key systems and exit devices for Sun City businesses.
Commercial locksmith servicesWe cut and program transponder keys, replace and pair key fobs, open locked cars and repair ignitions. A key for a newer car has to be programmed as well as cut, so have the year, make and model ready and tell us whether you still have a working key. We confirm the job before we book it.
What customers across the Valley say about Diamondback Locksmith of Sun City on Google.
EXCELLENT4.9 out of 5 · based on 1,728 reviews
Tanush Arora
Sep 10, 2026
didnt even know my lock was a problem till last dude made it worse. these guys fixed it last week and just came back to help again. glad they got it right this time!
Alea Gannon
Sep 9, 2026
I had to use this locksmith on Monday, which happened to be a holiday, and I couldn’t have been more impressed with the service! They responded incredibly quickly, were very professional and friendly, and had the job taken care of fast. Their customer service was excellent, especially considering it was a holiday. I really appreciated how easy and stress-free they made the whole situation. I would definitely recommend them to anyone needing a reliable and responsive locksmith!
tghy onetwothreefourfourfive
Sep 8, 2026
Needed the house rekeyed this morning after an old roommate moved out and I didn't trust that every copy came back. Diamondback Lock and Key made it quick and easy, in and out in under an hour for four locks.
Karen Evans
Aug 28, 2026
Everything you want in a lock smith! Luis was awesome.. quality work and knew exactly what was needed. Arrived when he said he would. Same day service. Fabulous experience.
Maruf Ahmed
Aug 13, 2026
Luis did a good job with making a replacement key for my car.
Rachel Clevenger
Jun 17, 2026
Louis was amazing. I was dealing with an “incorrect key ID” error and a car that wouldn’t start. After programming the key, he wasn’t satisfied when the problem came back and strongly suggested I have the battery tested again. He was right. It turned out I had both a key issue and a failing battery. What stood out most was his customer service. I was stressed, overwhelmed, and having a rough day, and he treated me with kindness, patience, and a great attitude. He genuinely cared about solving the problem instead of just completing the job. Highly recommend!
rihanna s
Jun 17, 2026
amazing work great customer service they did an amazing service today
Juan Parafianovich
May 28, 2026
Great service! They solved my problem the same day and sent a great guy who took only 30 minutes to cut and program my car key. I will recommend them anytime and will call them again for future projects.
tam thanh
May 21, 2026
Never used them before but Luis came out last week and got our business locks working again and I was so relieved it didn't take all day.
Sun City is an unincorporated community and census-designated place in Maricopa County, opened by Del Webb in 1960 and bordered by Peoria, Youngtown, El Mirage and Surprise. Its ZIP codes are 85351 and 85373. Many streets curve in concentric circles, so a full street address helps more than cross streets. The recreation centers below are reference points, not places we claim to have worked.
We also cover the communities around Sun City, including Sun City West, Surprise, El Mirage and Glendale.
If your locks work smoothly, rekeying is usually enough: the old keys stop working and the hardware stays.
Replace a lock that sticks, is damaged or is hard to operate. Lever handles and keypad deadbolts are common upgrades.
Often, yes, if the locks share a compatible keyway.
Mixed brands may need a cylinder or a lock changed first. Tell us which brands are on your doors, and we will explain what it would take.
Yes. Our technicians come to you in vans that carry a key machine and a pinning kit, so rekeying is done at your door.
Yes. The Sun City line focuses on rekeying, but we also open locked homes and cars, make car keys and fobs, and replace locks.
Emergency callouts run 24 hours a day, 7 days a week. Call (623) 404-1151 and we will let you know when a technician can come out.