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Kwikset Deadbolt Installation: The San Jose Owner’s Guide
Kwikset deadbolt installation in San Jose typically runs $185-$295 for a standard single-cylinder replacement, including the lockset, labor, and rekeying to match your existing key. We stock Kwikset 660, 980, and SmartKey series deadbolts on every van, and most residential swaps are completed in under an hour. Same-day scheduling is available when you call before 2 PM.
Most San Jose homeowners discover a deadbolt problem in one of three ways: the key won’t retract the bolt fully, the thumb turn spins without moving anything, or the strike plate has loosened enough that the door no longer latches securely. In older Willow Glen homes with original 1980s hollow-core doors, we also see the cross-bore itself wallowing out, which makes the deadbolt housing shift and bind.
Which Kwikset Models This Applies To
Kwikset deadbolts fall into three series you’ll find in San Jose homes, and the right replacement depends on what’s currently in your door.
The Kwikset 660 is the entry-grade single-cylinder deadbolt, identifiable by the small “660” stamped on the latch face. It uses a standard 2-3/8″ or 2-3/4″ backset and fits doors 1-3/8″ to 1-3/4″ thick. The 980 series upgrades to an ANSI Grade 2 rating with a hardened steel bolt and pick-resistant pins. The SmartKey variants, including 988 and 991 series, allow on-site rekeying without disassembling the cylinder, a feature that sounds convenient but introduces a secondary failure point we’ve replaced more than once in San Jose’s older apartment stock near The Alameda.
To identify your model, remove the interior thumb turn and check the back of the deadbolt housing for the four-digit series number. If the label is worn, measure the backset from the door edge to the center of the cross-bore. We carry both backset sizes and all three series on our vans. For Kwikset specifically, we use OEM hardware or Kwikset-certified equivalents, not generic imports, because the tailpiece geometry on aftermarket units often binds in SmartKey housings. Novak Lock & Security San Jose is an independent service provider, not affiliated with Kwikset.
Signs Your Kwikset Deadbolt Installation Is Failing

- The key rotates but the bolt doesn’t move. This usually means the tailpiece has sheared or slipped out of the cam slot. In Kwikset 660 units, the zinc tailpiece fatigues after roughly 8-12 years of daily use, faster in San Jose’s dry climate where dust infiltration accelerates wear.
- The thumb turn spins freely in both directions. The interior cam has cracked or the set screw has backed out. On SmartKey models, this can also indicate the rekey cradle has failed internally, a repair that requires full cylinder replacement.
- The bolt extends but won’t fully retract. The latch mechanism is gummed with debris, or the bolt itself has bent from forced entry attempts. We’ve found this repeatedly in ground-floor units near downtown San Jose where old strike plates no longer align after building settlement.
- The key works only at certain angles. The pin chambers have worn unevenly, or the key itself has deformed from use. Kwikset’s standard brass pins are softer than Schlage equivalents and show this wear pattern earlier.
- The entire deadbolt housing is loose in the door. The cross-bore has enlarged beyond the 2-1/8″ standard, often from repeated over-tightening or a door material too soft for the mounting screws. This requires a door reinforcer plate, which we stock for standard Kwikset footprints.
Replacement Cost & What’s Included
| Service | Price Range |
|---|---|
| Kwikset 660 single-cylinder deadbolt, installed | $185-$225 |
| Kwikset 980 Grade 2 deadbolt, installed | $225-$265 |
| Kwikset SmartKey deadbolt, installed | $245-$295 |
| Door reinforcer plate (if cross-bore is enlarged) | $35-$55 |
| Rekey to existing key | Included |
The range reflects door condition, not bait pricing. A straightforward swap into a properly bored solid-core door hits the low end. Enlarged cross-bores, misaligned strike plates requiring jamb adjustment, or upgrading from a non-standard backset push toward the high end. 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 name on the van is the name on the invoice. That is the whole arrangement.
All Kwikset deadbolt installations carry our 365-Day Done Right Promise. If the bolt binds, the key sticks, or the SmartKey function fails within a year, we return and make it right. The documented photo record from your visit is left with you at completion.
DIY or Call Us?

There’s a safe middle ground here. A homeowner can verify the backset measurement, check that the door thickness falls within 1-3/8″ to 1-3/4″, and confirm the strike plate is secure with 3″ screws reaching the framing. These checks take five minutes and prevent a technician from arriving to find the wrong part was ordered.
Where DIY goes wrong: Kwikset SmartKey cylinders must be in the reset position before removal, or the sidebar drops and the cylinder locks up permanently. We’ve replaced dozens of SmartKey units that were rendered useless by this single step. Cross-bore damage is also easy to miss until the new deadbolt sits crooked and the bolt drags. If your keyway feels gritty or the bolt doesn’t move smoothly by hand, the problem is deeper than the lockset itself.
Call (669) 201-7095 and we’ll quote the exact installed price for your model and door condition. No dispatch until you have that number in writing.
FAQs
A Kwikset 660 typically lasts 10-15 years in normal residential use; the 980 series and SmartKey models often reach 15-20 years. San Jose’s dry climate reduces corrosion but increases dust infiltration, which wears pins and springs faster than in coastal markets. Annual lubrication with graphite, not oil, extends service life. Call (669) 201-7095 if you’re unsure whether yours is worth replacing or rekeying.
Sometimes. A sticky key or loose thumb turn can often be fixed with lubrication, screw tightening, or strike plate adjustment. But a sheared tailpiece, cracked cam, or worn SmartKey cradle requires full replacement, the part is internal and not sold separately for field repair. We quote both options when possible. Call (669) 201-7095 for a free assessment.
A standard Kwikset deadbolt swap takes 30-45 minutes, including removal, cross-bore inspection, new hardware fitting, and rekeying. Add 15-30 minutes if the door needs a reinforcer plate or the strike mortise requires deepening. We schedule two-hour windows and finish within the first hour on most San Jose residential calls.
Yes. We carry Kwikset 660, 980, and SmartKey series in satin nickel, polished brass, and Venetian bronze finishes, with both 2-3/8″ and 2-3/4″ backsets. We also stock Schlage and Medeco deadbolts for customers upgrading security without replacing the door prep. Every van is restocked nightly at our San Jose facility.
Written by Daniel Novak, Owner, Novak Lock & Security San Jose at Novak Lock & Security San Jose, serving San Jose and nearby areas.






