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.
Sargent Lock Installation & Rekey in Atlanta: What to Know First
We provide independent Sargent lock installation and rekey services across Atlanta, with most residential jobs completed same-day and commercial keying scheduled within 24 hours. A standard Sargent residential rekey runs $28-$45 per cylinder, and a full deadbolt installation with new hardware typically falls between $140-$280, both quoted in writing before we dispatch. This page is for Sargent owners in Atlanta who need a technician who knows the difference between a T-Zone cylindrical lever and a Signature Series mortise, and who wants the price fixed before the van arrives. Call (470) 944-6813 for a written estimate.
How Sargent Products Fail - and How We Fix Them
- Signature Series mortise locks with sticky latches. We see this in older office buildings near Buckhead and Downtown. The latch bolt hangs on retraction because the auxiliary spring fatigues in Atlanta’s humidity; the factory spring is a coated steel that corrodes faster here than in drier climates. We replace with a stainless auxiliary spring, rekey the cylinder if needed, and test the throw fifty cycles before we leave.
- T-Zone cylindrical levers with wobbly handles. Common in 2015-2020 multifamily builds in Midtown and Decatur. The through-spindle loosens where it meets the spring cage; residents force the lever and oval the spindle hole. We replace the spindle assembly, check the spring cage for cracks (they spread if ignored), and rekey to building master if the property manager provides the bitting list.
- 10X line small-format interchangeable cores (SFIC) that won’t turn after rekey. The 10X uses a control sleeve that binds if the core driver is even slightly misaligned during rekeying. We’ve found this on university housing and medical offices in Druid Hills. We disassemble, clean the sleeve with a non-residue solvent, re-pin to the new bitting, and verify control key and operating key function separately before reinstalling.
- Keypad locks with unresponsive buttons after summer heat. Sargent’s KP series membrane pads degrade when attic access doors or west-facing entries hit 140°F in July and August. The membrane delaminates; cleaning doesn’t restore conductivity. We replace the membrane or the full keypad module depending on Sargent’s current parts availability, and we always check whether the customer’s firmware revision supports the replacement board.
- Deadbolts with premature cylinder wear from grit. Atlanta’s pollen season and red clay dust work into keyways on homes near construction zones in West End and East Atlanta Village. The 4800 and 4870 single-cylinder deadbolts develop burred pins by year four instead of year twelve. We pull the cylinder, measure pin wear with a micrometer, and either re-pin with nickel-silver pins or replace the cylinder if the plug is scored.
Our Sargent Lock Installation & Rekey Process

- 1
Call and scope. You describe the lock, the symptoms, and the building type. We quote a firm price. Haven Standard Clause 1: the price on the phone is the price on the invoice.
- 2
Dispatch with parts intelligence. We carry Sargent-compatible cylinders, springs, and keypad modules. For discontinued lines, we confirm aftermarket fitment before we leave the shop.
- 3
On-site diagnosis. The technician photographs the installed hardware, identifies the series and vintage, and tests the failure mode. We show you what’s worn, what’s broken, and what’s still serviceable.
- 4
Repair or replace with your approval. OEM parts when Sargent still stocks them; quality aftermarket when the line is obsolete. We never substitute without stating it aloud and noting it on the work order.
- 5
Rekey and test to spec. New keys cut on-site, cylinders tested for smooth operation, latch throw measured, strike alignment checked. Commercial jobs get a key control log if master-keyed.
- 6
Documentation and closeout. You get the written invoice, the 365-Day Done Right Promise, and the documented photo record. The technician’s name and photo are on the paperwork.
What Sargent Lock Installation & Rekey Costs in Atlanta
| Service | Typical Range | What Affects It |
|---|---|---|
| Residential rekey (per cylinder) | $28-$45 | Pin count, master-keying, high-security sidebar |
| Deadbolt installation (labor + basic hardware) | $140-$220 | Wood vs. metal door, existing bore condition |
| Mortise lock installation or rebuild | $220-$380 | Prep work, door edge condition, auxiliary hardware |
| Keypad/electronic lock installation | $280-$450 | Power source, network integration, firmware update |
| Emergency after-hours rekey | $45-$65 per cylinder | Time of call, travel distance from our dispatch point |
These are Atlanta market ranges for Sargent hardware, not teaser rates. The full price is quoted on the phone before anyone is dispatched, and it is the price on the invoice. No call-out surcharge gets added at the door. Call (470) 944-6813 for an exact quote - estimates are free.
Why Atlanta Homeowners Call Novak Lock & Security Atlanta for Sargent Work

We’ve rekeyed Sargent cylinders in Inman Park row houses where the original 4800 deadbolts outlasted two door replacements, and we’ve installed Grade 1 mortise hardware on office suites near Midtown where the property manager needed key control that survives staff turnover. Daniel Novak and our technicians carry Schlage, Kwikset, and Medeco lines too, so when a Sargent part is back-ordered or a customer wants to upgrade without changing door prep, we can show the options side by side. The 365-Day Done Right Promise applies to every lock installation and rekey. Background-checked, uniformed technicians. Live person answers the phone, 24/7. The name on the van is the warranty.
FAQs
Rekeying a Sargent lock by a qualified locksmith does not void the mechanical warranty on the lock body, though Sargent’s warranty on the cylinder itself may require OEM parts for certain commercial grades. As an independent Sargent service provider, we note on every invoice whether OEM or quality aftermarket parts were used, so you have a record if a warranty claim arises later. Call (470) 944-6813 and we’ll review your specific series and warranty status before we schedule.
Most residential Sargent rekeys are completed same day, often within two to four hours of your call. Commercial master-keying or multi-suite rekeys in buildings near Downtown or Buckhead are typically scheduled for the next business morning. Call (470) 944-6813 for availability - we answer live.
Repair makes sense when the lock body is sound and only the cylinder or springs are worn; replacement is the better value when the chassis is cracked, the finish is failing, or parts are obsolete. We inspect, name the condition of each component, and quote both paths in writing before you decide.
We stock common Sargent cylinders, springs, and latch assemblies. For discontinued lines or specialized keypad modules, we source from our Atlanta-area distributor network or verify aftermarket fitment before dispatch. If a part must be ordered, we tell you the lead time on the first call, not at the door.
Yes. Haven Standard Clause 1 prohibits our technicians from changing the quoted price at your door. The only exception is if you add work after the quote - and even then, we stop and get verbal approval before continuing. The price on the phone is the price on the invoice, every time.
Written by Daniel Novak, Owner, Novak Lock & Security Atlanta at Novak Lock & Security Atlanta, serving Atlanta and nearby areas.






