Mortise Lock

A mortise lock fits into a deep pocket cut into the door edge, rather than through a round bore like a cylindrical lockset. That construction is why mortise locks are the standard for commercial buildings, schools, and apartment entries: the heavy cast or steel lock body withstands decades of high traffic, integrates deadbolt and latch in one unit, and offers far more functions (entry, classroom, storeroom, privacy, passage) than a cylindrical lock.

When choosing a mortise lock, start with the function you need on that door. An office function locks from outside while always allowing free egress. A storeroom function is always locked outside. An entrance function adds a deadbolt for after-hours security. Then confirm handing (left or right hand, regular or reverse bevel), backset, and whether you need it keyed into an existing system. Most of the mortise locks we sell accept standard or high-security cylinders, so you can upgrade key control without changing the lock body.

We carry Grade 1 commercial mortise locks from Marks USA, Sargent, Corbin Russwin, Yale, and others, including ornamental and storm-door mortise locks if your application is a gate or security screen door. If you're replacing an old mortise lock, send us a photo and measurements and we'll match it.

Mortise Lock

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  • L9473L 07L 612 Schlage Dormitory Mortise Lock with Deadbolt L9473L 07L 612 Schlage Dormitory Mortise Lock with Deadbolt
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    L9473L 07L 612 Schlage Dormitory Mortise Lock with Deadbolt

    Schlage
    MSRP: $1,451.00
    $730.40
    L9473L 07L 612 Schlage Lock Mortise Lock Dormitory Mortise Lock with Deadbolt, 07L Design, Less Cylinder, Satin Bronze Finish: 612/US10 Series: L9000 Series Mortise Lock Type: Locks, Cylinders,...
    Qty in Cart: 0
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    Price:
    MSRP: $1,451.00
    $730.40
    Subtotal:
  • Schlage L9480L 17A 605 Storeroom Mortise Lock with Deadbolt Schlage L9480L 17A 605 Storeroom Mortise Lock with Deadbolt
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    Schlage L9480L 17A 605 Storeroom Mortise Lock with Deadbolt

    Schlage
    MSRP: $1,570.00
    $808.00
    L9480L 17A 605 Schlage Lock Mortise Lock Storeroom Mortise Lock with Deadbolt, 17A Design, Less Cylinder, Bright Brass Finish: 605/US3 Series: L9000 Series Mortise Lock Type: Locks, Cylinders,...
    Qty in Cart: 0
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    Price:
    MSRP: $1,570.00
    $808.00
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  • Schlage L9080J 07A 605 Storeroom Mortise Lock Schlage L9080J 07A 605 Storeroom Mortise Lock
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    Schlage L9080J 07A 605 Storeroom Mortise Lock

    Schlage
    MSRP: $1,507.00
    $782.80
    L9080J 07A 605 Schlage Lock Mortise Lock Storeroom Mortise Lock, 07A Design, FSIC Prep, Less Core, Bright Brass Finish: 605/US3 Series: L9000 Series Mortise Lock Type: Locks, Cylinders, Cores,...
    Qty in Cart: 0
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    Price:
    MSRP: $1,507.00
    $782.80
    Subtotal:
  • Schlage L9080L 17A 605 Storeroom Mortise Lock Schlage L9080L 17A 605 Storeroom Mortise Lock
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    Schlage L9080L 17A 605 Storeroom Mortise Lock

    Schlage
    MSRP: $1,373.00
    $699.20
    L9080L 17A 605 Schlage Lock Mortise Lock Storeroom Mortise Lock, 17A Design, Less Cylinder, Bright Brass Finish: 605/US3 Series: L9000 Series Mortise Lock Type: Locks, Cylinders, Cores,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,373.00
    $699.20
    Subtotal:
  • Schlage L9080L 06L 606 Storeroom Mortise Lock Schlage L9080L 06L 606 Storeroom Mortise Lock
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    Schlage L9080L 06L 606 Storeroom Mortise Lock

    Schlage
    MSRP: $1,402.00
    $710.80
    L9080L 06L 606 Schlage Lock Mortise Lock Storeroom Mortise Lock, 06L Design, Less Cylinder, Satin Brass Finish: 606/US4 Series: L9000 Series Mortise Lock Type: Locks, Cylinders, Cores,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,402.00
    $710.80
    Subtotal:
  • Schlage L9080L 06N 625 Storeroom Mortise Lock Schlage L9080L 06N 625 Storeroom Mortise Lock
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    Schlage L9080L 06N 625 Storeroom Mortise Lock

    Schlage
    MSRP: $1,402.00
    $710.80
    L9080L 06N 625 Schlage Lock Mortise Lock Storeroom Mortise Lock, 06N Design, Less Cylinder, Bright Chrome Finish: 625/US26 Series: L9000 Series Mortise Lock Type: Locks, Cylinders, Cores,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,402.00
    $710.80
    Subtotal:
  • Schlage L9080P 03N 613 Storeroom Mortise Lock Schlage L9080P 03N 613 Storeroom Mortise Lock
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    Schlage L9080P 03N 613 Storeroom Mortise Lock

    Schlage
    MSRP: $1,554.00
    $801.60
    L9080P 03N 613 Schlage Lock Mortise Lock Storeroom Mortise Lock, 03N Design, Oil Rubbed Bronze Finish: 613/US10B Series: L9000 Series Mortise Lock Type: Locks, Cylinders, Cores, Keyblanks Sub...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,554.00
    $801.60
    Subtotal:
  • Schlage L9080P 05L 605 Storeroom Mortise Lock Schlage L9080P 05L 605 Storeroom Mortise Lock
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    Schlage L9080P 05L 605 Storeroom Mortise Lock

    Schlage
    MSRP: $1,536.00
    $794.40
    L9080P 05L 605 Schlage Lock Mortise Lock Storeroom Mortise Lock, 05L Design, Bright Brass Finish: 605/US3 Series: L9000 Series Mortise Lock Type: Locks, Cylinders, Cores, Keyblanks Sub Type:...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,536.00
    $794.40
    Subtotal:
  • Schlage L9080L 17N 605 Storeroom Mortise Lock Schlage L9080L 17N 605 Storeroom Mortise Lock
    Quick view

    Schlage L9080L 17N 605 Storeroom Mortise Lock

    Schlage
    MSRP: $1,402.00
    $710.80
    L9080L 17N 605 Schlage Lock Mortise Lock Storeroom Mortise Lock, 17N Design, Less Cylinder, Bright Brass Finish: 605/US3 Series: L9000 Series Mortise Lock Type: Locks, Cylinders, Cores,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,402.00
    $710.80
    Subtotal:
  • Schlage L9080P 12L 625 LH Storeroom Mortise Lock Schlage L9080P 12L 625 LH Storeroom Mortise Lock
    Quick view

    Schlage L9080P 12L 625 LH Storeroom Mortise Lock

    Schlage
    MSRP: $1,536.00
    $794.40
    L9080P 12L 625 LH Schlage Lock Mortise Lock Storeroom Mortise Lock, 12L Design, Bright Chrome Finish: 625/US26 Series: L9000 Series Mortise Lock Type: Locks, Cylinders, Cores, Keyblanks Sub...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,536.00
    $794.40
    Subtotal:
  • Schlage L9080P 17L 612 Storeroom Mortise Lock Schlage L9080P 17L 612 Storeroom Mortise Lock
    Quick view

    Schlage L9080P 17L 612 Storeroom Mortise Lock

    Schlage
    MSRP: $1,536.00
    $794.40
    L9080P 17L 612 Schlage Lock Mortise Lock Storeroom Mortise Lock, 17L Design, Satin Bronze Finish: 612/US10 Series: L9000 Series Mortise Lock Type: Locks, Cylinders, Cores, Keyblanks Sub Type:...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,536.00
    $794.40
    Subtotal:
  • Schlage L9082J 07A 613 Institution Mortise Lock Schlage L9082J 07A 613 Institution Mortise Lock
    Quick view

    Schlage L9082J 07A 613 Institution Mortise Lock

    Schlage
    MSRP: $1,673.00
    $849.20
    L9082J 07A 613 Schlage Lock Mortise Lock Institution Mortise Lock, 07A Design, FSIC Prep, Less Core, Oil Rubbed Bronze Finish: 613/US10B Series: L9000 Series Mortise Lock Type: Locks,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,673.00
    $849.20
    Subtotal:
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