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Top-Rated Locksmiths in Theresa - Updated Nov 2026

Avatar for SafeStreets - ADT Authorized Provider
SafeStreets - ADT Authorized Provider
4.8(
320
)
Security Safe - Install

Serving Theresa, WI and surrounding areas

Approved (Corporate)

In business since 2010

Free estimates

Emergency services offered

"AWESOME buying experience and setup experience! I just bought a house and wanted to make sure I was protected. They even helped me find a fantastic locksmith who gave a me great deal. Can't recommend highly enough. He gave excellent advice and saved me money in the long run with their current promo. Look no further for the best security company!"
Additional Photos
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+1

4 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for ADT
ADT
4.5(
889
)
Security Safe - Install

Serving Theresa, WI and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1874

Free estimates

Emergency services offered

"Our dealings with Protect Your Home/ADT were delightful. We received a call back very fast after requesting a quote through Angie's List. We were able to complete everything on the phone; there was no paperwork or downtime. I had to call Customer Service with a question about the keypad, and they ended up telling me other helpful details on top of my original question."
Home Security Essentials
Smart Home Security
Cameras
Our Team
Home Security Essentials

+35

36 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Dan's Door and Lock Service - Fort Atkinson, Wisconsin  Facebook
Dan's Door and Lock Service - Fort Atkinson, Wisconsin Facebook
5.0(
6
)
Locksmith

Serving Theresa, WI and surrounding areas

In business since 2020

Free estimates

Small jobs welcome

"Dan did an outstanding job addressing our needs with our new home we purchased recently. He keyed several doors and made all the locks match so we can use the same key for all of them. Dan was friendly and very responsive and completed the work efficiently. We won't hesitate to use him again!"
Installing deadbolt
hinge repair
door repair
Response time2 hrs
Recommended by100%of homeowners
Avatar for CSI Secure Solutions
CSI Secure Solutions
4.4(
114
)
Security Safe - Install

Serving Theresa, WI and surrounding areas

In business since 2001

Free estimates

Emergency services offered

"I communicated with Rob Calbo for services of a background check with CSI Secure Solutions and he was fantastic.
He spoke with me in a very professional manner and put me at ease right away.
The process was seamless and my request was delivered very efficiently. Within just a few hours of providing them with information, I was able to get feedback. Rob took the time to speak with me and answered all of my questions. 
I will definitely be using them again in the future should the need arise, and I would definitely recommend them as being very efficient, professional and reliable.

"
Background Checks
Employee Check
Background Report
Surveillance
Infidelity Monitoring

+12

Recommended by85%of homeowners
Avatar for NG Carpentry & Home Repair
NG Carpentry & Home Repair
5.0(
14
)
Hardware, Latches & Tracks (Door) - Repair or Replace

Serving Theresa, WI and surrounding areas

In business since 2024

Free estimates

Emergency services offered

I am an independent carpenter and handyman operating out of Oshkosh, WI. I specialize in small scale framing and remodeling as well as general handyman services. I emphasize hard work, efficiency and honesty. My aim is to provide professional quality work done in a timely manner. With almost a decade of experience in the industry, I have the skills to tackle almost any project and can do so at a competitive price.

Handymen Project
Hot tub deck
Cat Door
Condo bathroom remodel
Handymen Project

+42

Recommended by100%of homeowners
Avatar for AIO Integrations LLC
AIO Integrations LLC
4.6(
18
)
Security Safe - Install

Serving Theresa, WI and surrounding areas

In business since 2020

Emergency services offered

Credit card accepted

"There were many things wrong in my computer (my fault and letting grandchildren on computer) Robert was so helpful, gave me many good instructions to keep everything safe, which I have written down, feel like I have a new computer. He was so excellent and experienced, took his time and was meticulous about what needed to be done. He was a pleasure to work with and I will use this company again! Linda Disy"
Helping a Victim who was being Cyber-stocked
WIndows Update Broken
Computer Tune-up
Additional Photos
Recommended by91%of homeowners
Showing 1-10 of 39
Locksmiths FAQs, answered by experts

Thieves can open almost anything with enough time and the right tools, but they also prefer easy targets that are unlikely to get them caught. Forcing open gates is loud and difficult, and to be able to open one electronically requires extensive knowledge of the system, which most thieves don't have. Electric and other security gates are great deterrents because the thief will move to an easier target. If the thief is determined to enter your property, they will most likely find a different entrance point.

The good news is that, yes, you can change locks yourself. Many people find it’s an easy DIY project that requires few tools and not much expense (depending on which lock you’re installing). If you have trouble with any part of an installation, you can always call a locksmith to help finish installing them.

When you take a key to a hardware store or a locksmith for copying, you can expect the key-cutting process to take as little as 30 seconds. The key copier will review your current key to decide on the correct blank. Then, your original key and the blank are inserted into a key duplication machine to cut an exact key copy. When it’s all said and done, you can have a new key in your hand in just a couple of minutes.

Begin by checking the power source, typically a battery or wired connection. Ensure the battery is installed correctly, has sufficient charge, and isn't corroded. If it's a wired lock, examine the electrical connections to confirm they are secure and free from damage. Additionally, inspect the lock's programming or settings. Confirm that user codes or access credentials are programmed correctly and that any remote control devices are paired and functional.

Many local hardware stores have the equipment to copy basic keys at a low cost. Some locations may have freestanding machines where you can pick out a blank and insert it and your original key into the duplicating machine.

The Theresa, WI homeowners’ guide to locksmith services

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