Top rated mailbox locks

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AI-generated summary · updated July 29, 2026 · verify details before purchase.

1. 

   1 Best overall BRILLIRARE

   S&G 1100 Heavy Duty Combination Padlock

   ★★★★★4.6/5 $7.97

   A robust, weather-resistant lock with a 5-digit combo, ideal for most residential mailboxes.

   • Durable hardened steel body
   • Weather-sealed shackle

   • Combination can wear over time

   View on Amazon manufacturer site
2. 

   2 Best budget pick Master Lock

   Master Lock 5400D Waterproof Padlock

   ★★★★☆4.4/5 $15.29

   A low-cost, water-resistant padlock with a 4-digit combination that meets USPS requirements.

   • Affordable
   • Corrosion-resistant coating

   • Shackle not as thick as premium models

   View on Amazon manufacturer site
3. 

   3 Best for renters Kwikset

   Kwikset 913 4-Digit Combination Lock

   ★★★★☆4.3/5 $9.49

   A simple, easy-to-reset combination lock that fits most standard mailbox slots.

   • Easy to reset
   • Lightweight

   • Limited security level

   View on Amazon manufacturer site
4. 

   4 Best for high-traffic mailboxes Master Lock

   Fortress 3600G Heavy Duty Padlock

   ★★★★☆4.2/5 $20.23

   Heavy-duty lock with a large 5-digit combo, designed for frequent use and extreme weather.

   • Large combo for more combos
   • Stainless steel finish

   • Bulky size

   View on Amazon manufacturer site
5. 

   5 Best stainless-steel option Master Lock

   Lockwood 4011 Stainless Steel Padlock

   ★★★★☆4.1/5 $27.50

   Stainless steel construction resists rust and corrosion, with a 4-digit combination suited for coastal areas.

   • Full stainless steel
   • Corrosion resistant

   • Combo dial can be stiff

   View on Amazon manufacturer site
6. 

   6 Best compact lock Yale

   Yale YVL10 5-Digit Combination Padlock

   ★★★★☆4.4/5 $9.70

   Compact 5-digit lock with a reinforced shackle, perfect for smaller mailboxes where space is limited.

   • Compact size
   • Reinforced shackle

   • Limited combo combinations

   View on Amazon manufacturer site
7. 

   7 Best high-security pick SCHLAGE

   Schlage B660 Combination Padlock

   ★★★★☆4.5/5 $46.84 Currently unavailable

   Features a hardened boron alloy shackle and a 4-digit combination, offering superior resistance to bolt-cutting.

   • Boron-hardened shackle
   • Precision combo dial

   • Higher price

   View on Amazon manufacturer site

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