Best DIY Home Security Systems of 2025 (No Contract, No Technician)
Professional security system installation costs $100–$300 just for the visit — before you even buy hardware. And most traditional systems lock you into a 2-3 year contract you can’t easily escape.
DIY home security systems have changed the game. The best ones install in under an hour, cost a fraction of the price, and perform just as well as professionally installed systems. Here’s what’s actually worth buying in 2025.
Quick Picks
- Best Overall: SimpliSafe — View Kits & Pricing
- Best for Amazon Users: Ring Alarm — Check Price on Amazon
- Best No-Subscription Option: Abode Smart Security Kit — Check Price on Amazon
- Best Budget Pick: Wyze Home Monitoring — Check Price on Amazon
- Best for Smart Home Power Users: Arlo Security System — Check Price on Amazon
What Makes a Good DIY Security System?
- Cellular backup: If a burglar cuts your internet, does the alarm still work?
- No contract required: Month-to-month only.
- Fast professional monitoring response: Under 30 seconds to police dispatch.
- Expandability: Can you add sensors, cameras, and smart locks as you grow?
- Self-monitoring option: Can you use it free if you don’t want to pay monthly?
Best DIY Home Security Systems — Ranked
1. SimpliSafe — Best Overall
SimpliSafe is the most complete DIY home security system available today. Professional monitoring from $19.99/month with no contract, cellular backup so it works even when your internet is down, and cameras that trigger on alarm events.
Monitoring: $19.99/mo (Standard) or $29.99/mo (Fast Protect)
Contract: None
→ View SimpliSafe starter kits and current deals
2. Ring Alarm — Best for Amazon/Ring Households
Ring Alarm is the natural choice if you already own Ring cameras or a Ring Video Doorbell. Everything connects through a single app, Alexa integration is seamless, and the Ring Protect plan ($100/year) is one of the most affordable monitoring options available.
Monitoring: $100/yr (Protect) or $200/yr (Protect Plus)
Contract: None
→ Check Ring Alarm pricing on Amazon
3. Abode Smart Security Kit — Best No-Subscription System
Abode is the best option if you want a fully functional system with zero monthly fees. The system works standalone with app-based self-monitoring completely free. It also has the best third-party integration of any DIY system — HomeKit, Google Home, Alexa, Z-Wave, and Zigbee.
Monitoring: Free (self-monitoring) / $8/mo (Standard) / $20/mo (Pro with cellular)
Contract: None
→ Check Abode pricing on Amazon
4. Wyze Home Monitoring — Best Budget System
For under $100 in hardware and $9.99/month monitoring, Wyze Home Monitoring is unbeatable value. If you already own Wyze cameras, the integration is tight — alarm events trigger camera recording automatically.
Monitoring: $9.99/mo (professional monitoring + cellular backup)
Contract: None
→ Check Wyze Home Monitoring pricing on Amazon
5. Arlo Security System — Best Camera-First Setup
Arlo’s approach is camera-first — their security system is designed around excellent outdoor cameras and video doorbell, with alarm sensors as a supporting layer. Best video quality combined with a security system.
Monitoring: $12.99/mo (single camera) or $17.99/mo (unlimited cameras)
Contract: None
→ Check Arlo system pricing on Amazon
DIY Installation: What to Expect
- Place the base station centrally in your home, near your router
- Mount door and window sensors — peel-and-stick adhesive
- Place motion sensors in corners of main living areas, 7–8 feet high
- Install the keypad near your main entry point
- Download the app and follow the setup wizard (10–15 minutes)
- Test every sensor by walking through the house with the app open
Total time for a 3-bedroom home: 45–60 minutes.
Final Verdict
For most homeowners: SimpliSafe is the right answer. Reliable, easy to install, no contract, and professional monitoring is genuinely affordable.
Budget-constrained: Wyze Home Monitoring at $9.99/month covers the basics without breaking the bank.
Hate monthly fees entirely: Abode is the only major system that works completely free with self-monitoring.
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