Non-destructive entry first, always - and we re-key Schlage, Kwikset, and Baldwin locks on the spot while you watch
You get a price before we start. It does not change when we arrive. No surprises.
Before
AfterSargent Lock Installation & Rekey in Katy: What to Know First
We provide independent Sargent lock installation and rekey services across Katy, from the older homes near downtown to the newer builds in Cinco Ranch and beyond. Most Sargent residential jobs are completed same-day, with a written price quoted before we dispatch and locked in under Haven Standard Clause 1. Rekeying a standard Sargent deadbolt or entry lever typically runs $95-$145 per cylinder; full lock installation with new hardware ranges $180-$340 depending on prep work and whether we’re matching existing door bore holes.
This page is for Katy homeowners who already own Sargent hardware and need it installed, rekeyed, or assessed after a move, tenant change, or security concern. We also work with Schlage, Kwikset, and Medeco if you’re evaluating a brand switch. Call (832) 402-8386 for a written estimate.
How Sargent Products Fail - and How We Fix Them
- Sargent 10 Line levers: spindle wear in high-traffic Katy homes. The 10 Line is common in residential and light commercial installs from the 2010s. The spindle that connects the lever to the latch mechanism develops lateral play after roughly 8-12 years of daily use, especially in Katy homes where humidity swings stress metal fatigue. We diagnose this by feel - a lever that wobbles without retracting the latch - and replace the spindle assembly rather than the entire lock body when the chassis is still sound.
- Sargent Signature Series: cylinder rotation failure after rekey attempts. The Signature Series uses a sidebar mechanism that tolerates less variance in pin depth than standard Schlage or Kwikset cylinders. We’ve found that previous rekeys done with off-brand pinning kits leave the sidebar prone to jamming at the 3 o’clock position. We strip the cylinder, measure original pin depths with a micrometer, and repin with OEM-spec Sargent bottom pins or replace the cylinder if the sidebar groove is already damaged.
- Sargent 8200 Series mortise locks: broken tailpiece from over-torqued installation. These appear in Katy homes with commercial-grade hardware packages, particularly in the gated communities along Fry Road where builders spec’d them for perceived durability. The cast zinc tailpiece fractures when installers use impact drivers on the mounting screws. We replace with a steel aftermarket tailpiece where appropriate, or source the Sargent 13-0470 tailpiece if the customer wants OEM. The door prep gets checked for proper backset alignment to prevent recurrence.
- Sargent KP Series keypads: membrane degradation in Texas heat. The KP10 and KP26 electronic keypads suffer membrane button failure after 4-6 years of direct sun exposure, which is common on south-facing doors in Katy subdivisions. The buttons register intermittently or require excessive pressure. We test the power supply and controller first, then replace the membrane pad if the logic board tests clean. Full keypad replacement runs higher, but we verify the existing controller’s compatibility before quoting.
- Sargent BHW Series deadbolts: misaligned strike plates in settling frames. Katy clay soil shifts seasonally, and we’ve seen this repeatedly in homes built between 2015 and 2020 in the Cross Creek Ranch and Tamarron developments. The deadbolt throws cleanly but binds against a strike plate that no longer matches the keeper position. We don’t just file the strike - we relocate it with a reinforced box strike and longer screws into the framing, then test the bolt path with the door under pressure.
Our Sargent Lock Installation & Rekey Process
- 1
Call and written quote. You describe the hardware - model name if you have it, symptoms if you don’t. We quote a firm price, dispatcher-locked under Haven Standard Clause 1. The technician cannot change it at your door.
- 2
On-site diagnosis with photo documentation. Our technician arrives uniformed, verifies the lock series, and photographs the existing condition. You receive this photo record at job completion.
- 3
Parts decision: OEM or quality aftermarket. We stock common Sargent cylinders, spindles, and tailpieces. For discontinued lines or same-day completion, we match spec with aftermarket equivalents that don’t void any remaining manufacturer warranty. We explain the choice before ordering.
- 4
Installation or rekey with function testing. Rekeys include full cylinder disassembly, cleaning, and repin to your new key code. Installations include bore measurement, door prep correction if needed, and three-point alignment check: latch, deadbolt, and strike.
- 5
Key verification and documentation. Every new key is tested in every position. We provide the written invoice, photo record, and 365-Day Done Right Promise documentation before we leave.
- 6
Follow-up availability. If operation changes within 365 days - stiffening, key drag, anything - we return under promise terms, no requote.
BeforeAfterWhat Sargent Lock Installation & Rekey Costs in Katy
| Service | Typical Range | What Affects Price |
|---|---|---|
| Sargent residential rekey (per cylinder) | $95 - $145 | High-security sidebar cylinder vs. standard; key quantity |
| Sargent deadbolt installation (new hardware) | $180 - $280 | Door prep condition; single vs. double cylinder |
| Sargent lever/handle installation | $160 - $260 | Backset compatibility; smart/lever style |
| Sargent keypad/electronic lock install | $320 - $540 | Wiring requirements; retrofit vs. new construction prep |
| Sargent mortise lock repair | $220 - $380 | Tailpiece, cylinder, or full chassis replacement |
| Strike relocation/reinforcement | $85 - $140 | Frame material; need for extended screws or box strike |
These are Katy-market ranges for hardware and labor combined. The price we quote on the phone is the price on the invoice - no call-out surcharge, no “trip fee” added on arrival. If we find unexpected door damage during installation, we stop, photograph it, and quote the additional work in writing before continuing. Free estimates available; call (832) 402-8386.
Why Katy Homeowners Call Novak Lock & Security Katy for Sargent Work
We’ve rekeyed Sargent hardware after tenant turnovers in the residential units above LaCenterra at Cinco Ranch and replaced KP Series keypads in homes along Peek Road where the original installer didn’t account for afternoon sun exposure. Daniel Novak keeps a worn Medeco spec sheet in his truck for the same reason we document every visit: name the part, name the price, describe what was found.
Our background-checked technicians work to The Haven Standard, the same documentation framework applied across all ten Haven brands. Every Sargent job gets the 365-Day Done Right Promise, a photo record, and a written price locked before dispatch. If your Sargent hardware is discontinued or you’re considering a switch, we also install and service Schlage, Kwikset, and Medeco - quoted the same way, with the same clause.
FAQs
No - professional rekeying by a qualified locksmith does not void Sargent’s limited lifetime mechanical warranty on residential products, provided no internal components are modified or damaged during service. We use pinning techniques and tools that match factory spec, and we document the work so you have a record if warranty service is ever needed. For newer Sargent smart locks, the electronic warranty remains intact as long as we don’t alter firmware or wiring. Call (832) 402-8386 if you need warranty documentation for your specific model.
Same-day service is standard for Sargent rekeys in Katy, including evenings and weekends. We stock cylinders and pinning kits for the 10 Line, Signature Series, and BHW deadbolts, which cover most residential installs in this market. If you have a less common Sargent commercial grade or an older discontinued line, we may need until the next business day to source the correct pinning. The dispatcher will tell you exactly which scenario applies when you call.
Repair makes sense when the chassis is sound and the failure is isolated to the cylinder, spindle, or tailpiece - typically 60-70% of the Sargent jobs we see in Katy. Replacement is the better value when the lock body is cracked, the door prep is incompatible with modern hardware, or you’re upgrading from a basic grade to high-security or smart functionality. We diagnose before quoting either path, and we don’t recommend replacement unless we can show you why the existing unit won’t hold another repair.
We stock both and choose based on availability, your preference, and whether the part affects warranty coverage. For cylinders and sidebar components on newer Signature Series locks, we default to OEM. For discontinued tailpieces, spindles, and strike hardware, we use quality aftermarket that matches Sargent dimensions and finishes. We state the source in writing before installation - no substitutions you didn’t approve.
Yes - Sargent’s standard finishes (626 satin chrome, 605 bright brass, 613 oil-rubbed bronze, and others) are cataloged and cross-referenced in our ordering system. We verify finish codes before quoting so new hardware matches existing. If your existing Sargent finish has aged or patinated, we’ll note the variance and let you decide whether to match the original spec or accept the visual difference.
Call (832) 402-8386 for a written estimate on your Sargent lock installation or rekey. Estimates are free, prices are firm, and we answer live 24/7.
Written by Daniel Novak, Owner, Novak Lock & Security Katy at Novak Lock & Security Katy, serving Katy and nearby areas.