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About Us

Under Lock & Key is a trusted locksmith company based in Arlington, Texas, dedicated to providing reliable, and affordable lock and key solutions. We specialize in residential, commercial, and automotive locksmith services, including emergency lockouts, lock rekeying, key duplication, and high-security lock installations. Whether you’re locked out or upgrading your security, our skilled technicians are here 24/7 to protect what matters most.

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Fixing the Lock

Dallas County

  • Addison

  • Dallas

  • Balch Springs

  • Cedar Hill

  • Cockrell Hill

  • Coppell

  • DeSoto

  • Duncanville

  • Richardson

  • Lewisville

  • Allen

  • Farmers Branch

  • Glenn Heights

  • Highland Park

  • Plano

  • Irving

  • Garland

  • Frisco

  • McKinney

  • Grand Prairie

  • Mesquite

  • Carrollton

  • Hutchins

  • Lancaster

  • Rowlett (part)

  • Sachse (part)

  • Seagoville

  • Sunnyvale

  • University Park

  • Wilmer

​

Collin County

  • Anna

  • Celina (part)

  • Fairview

  • Farmersville

  • Josephine (part)

  • Lavon

  • Lowry Crossing

  • Lucas

  • Melissa

  • Murphy

  • Nevada

  • New Hope

  • Parker

  • Princeton

  • Prosper (part)

  • St. Paul

  • Weston

  • Wylie (part)

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Other Nearby Counties (part of greater DFW influence)

  • Ellis County: Ennis, Ferris, Midlothian, Red Oak, Waxahachie

  • Johnson County: Alvarado, Burleson, Cleburne, Joshua, Keene

  • Rockwall County: Heath, Fate, Rockwall, Royse City

  • Kaufman County: Forney, Kaufman, Terrell, Crandall

Tarrant County

  • Bedford

  • Fort Worth

  • Arlington

  • Flower Mound

  • Benbrook

  • Blue Mound

  • Colleyville

  • Crowley

  • Dalworthington Gardens

  • Euless

  • Everman

  • Forest Hill

  • Grapevine (part)

  • Haltom City

  • Haslet (part)

  • Hurst

  • Keller

  • Kennedale

  • Lake Worth

  • Mansfield

  • North Richland Hills

  • Pantego

  • Richland Hills

  • River Oaks

  • Saginaw

  • Sansom Park

  • Southlake

  • Watauga

  • Westworth Village

  • White Settlement

​

​

  • Denton County

  • Argyle

  • Aubrey

  • Denton

  • Bartonville

  • Carrollton (part)

  • Copper Canyon

  • Corinth

  • Cross Roads

  • Double Oak

  • Flower Mound (part)

  • Hackberry

  • Hickory Creek

  • Highland Village

  • Justin

  • Krugerville

  • Krum

  • Lake Dallas

  • Lakewood Village

  • Little Elm

  • Northlake

  • Oak Point

  • Pilot Point

  • Ponder

  • Providence Village

  • Roanoke

  • Sanger

  • Shady Shores

  • The Colony

  • Trophy Club (part)

Service Area

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