Kwikset Deadbolt Installation Nationwide | Novak Lock & Security Los Angeles

Kwikset Deadbolt Installation: The Los Angeles Owner’s Guide

Kwikset deadbolt installation in Los Angeles typically runs $140-$280 for a standard single-cylinder replacement, including the lock, labor, and rekey to match your existing key. We stock Kwikset 660, 998, and SmartKey series deadbolts on every van, and most residential jobs in Los Angeles are completed same day. Most homeowners discover a deadbolt problem when the thumb turn spins without engaging the bolt, the key sticks at 10 o’clock, or the latch no longer throws fully into the strike - often after years of dust accumulation in the L.A. basin’s dry air or following a door-slam that knocked the faceplate out of alignment.

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Which Kwikset Models This Applies To

Kwikset’s residential deadbolt line breaks into three series you’ll encounter in Los Angeles homes built from the 1980s forward. The 660 series is the entry-grade single-cylinder deadbolt, identifiable by the small “Kwikset” stamped above the keyway and the zinc construction that weighs noticeably less than commercial grades. The 998 series is the double-cylinder variant, keyed on both sides, required by code on doors with glass panels within 40 inches of the lock - common in Mid-Century homes in the Hollywood Hills and Eagle Rock. The SmartKey series, introduced in 2008, adds the rekeyable cylinder; look for the small slot beside the keyway and the thicker, rounded escutcheon.

Part compatibility hinges on backset - the 2-3/8″ or 2-3/4″ distance from door edge to center of the bore. Kwikset ships adjustable latches, but we’ve found the plastic adjustment mechanism cracks in roughly 15% of installations where the installer forces rather than adjusts. We carry both backset sizes in metal construction. OEM Kwikset cylinders use nickel silver pins; quality aftermarket equivalents from Ilco and Arrow use brass pins that wear faster in coastal Los Angeles humidity but cost 30% less. For rental properties in Venice or Santa Monica, we typically quote the aftermarket; for owner-occupied homes in Los Feliz or Pasadena, we recommend OEM.

Signs Your Kwikset Deadbolt Installation Is Failing

• Key rotates but bolt does not extend. The tailpiece connecting cylinder to bolt mechanism has sheared or slipped its catch. In Los Angeles, we see this most often on SmartKey units where the rekey lever was partially engaged by a key bump. The cylinder thinks it is in programming mode.
• Thumb turn spins freely in both directions. The interior thumb turn has detached from the tailpiece, usually because the set screw backed out or the zinc casting cracked at the slot. Kwikset’s zinc alloy fatigues predictably after 8-12 years of daily use.
• Bolt sticks or requires shoulder pressure to extend. The latch bore is misaligned with the strike plate, or the bolt itself has bent from repeated slamming. L.A.’s older homes, especially in neighborhoods like Highland Park, have settled frames that throw the strike off by 1/8″ or more.
• Key catches at 10 or 2 o’clock and will not turn further. Pin chamber debris or a driver spring that has lost tension. The dry Santa Ana season pulls lubricant out of cylinders faster than coastal humidity; we find graphite residue turned to abrasive paste inside 40% of failed Kwikset cylinders we remove.
• Door rattles when locked; bolt does not fill the strike. The faceplate has loosened or the strike was installed with screws too short for the jamb. Standard 3/4″ screws pull out of L.A.’s soft pine door frames within months; we install 2″ security strikes as standard.

Replacement Cost & What’s Included

What drives the range: door thickness over 1-3/4″ requires longer screws and sometimes a modified bolt; double-cylinder units need keyway alignment on both sides; and SmartKey rekeying takes additional time if the previous key is not available. Every price is quoted in writing before we start, per Haven Standard Clause 1: the price on the phone is the price on the invoice. The technician is not permitted to change it at the door. Work is backed by our 365-Day Done Right Promise. Novak Lock & Security Los Angeles is an independent service provider, not affiliated with Kwikset Corporation.

DIY or Call Us?

An owner can safely check three things: whether the strike screws are tight, whether the keyway has visible debris, and whether the door hangs properly in the frame without binding. Beyond that, deadbolt replacement involves drilling or enlarging the cross bore, setting the backset without cracking the latch housing, and aligning the tailpiece to the cylinder cam - operations where a slipped tool damages the door or the bolt installs with the wrong throw orientation.

We do not recommend DIY on double-cylinder or SmartKey units. The tailpiece on a 998 has a specific clocking; install it 180 degrees off and the interior keyway works while the exterior does not, or the cylinder binds and destroys the cam. SmartKey cylinders require the current working key to reset; without it, the unit locks permanently and must be drilled out. For a firm price and same-day installation in Los Angeles, call (213) 632-4875.

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