Smart Locks That Won't Violate Your Lease
Apartment renters face a unique challenge: you want smart lock convenience but can't permanently modify the door. We tested 8 retrofit smart locks that install over existing deadbolts.
Testing Criteria
- Installation: No drilling or permanent modifications
- Security: ANSI grade rating, encryption, auto-lock reliability
- Battery life: Months between battery changes
- Guest access: Temporary codes, scheduling, remote unlock
Top Picks
1. August Wi-Fi Smart Lock (4th Gen) — Best Overall
Replaces only the interior thumbturn, keeping your existing deadbolt and keys. WiFi built-in, Matter support, and 12-month battery life. Auto-lock and DoorSense work flawlessly.
2. Yale Assure Lock 2 — Most Reliable
Most reliable auto-lock we tested — zero false triggers in 30 days. The keypad works even when your phone is dead.
3. SwitchBot Lock Pro — Best Budget
At $129, attaches to your existing thumbturn with adhesive. Simplest installation — under 5 minutes with no tools. 180-day battery life.
Key Advice for Renters
Photograph your original lock before installation. Keep the original hardware in a labeled bag. Verify with your landlord that retrofit smart locks are permitted.
