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.
Schlage Car Key Cutting: The Marietta Owner’s Guide
Schlage car key cutting in Marietta typically runs $45-$85 per key for standard transponder blanks and $110-$175 for proximity fobs, with same-day service when you call before 3 PM. We cut and program Schlage-compatible automotive keys at your location, not at a counter, because the programming step requires the vehicle present. Most Marietta owners discover the need when their Schlage key won’t turn the ignition, or when the fob’s unlock range shrinks from 30 feet to 3 feet in the humidity off the Chattahoochee.
Which Schlage Models This Applies To
Schlage does not manufacture OEM automotive keys under its own brand. What Marietta owners call a “Schlage car key” is almost always an aftermarket key blank cut to Schlage’s SC1 or SC4 keyway specifications, then cloned or programmed to match the vehicle’s immobilizer. We see this most often on fleet vehicles and older GM trucks where a facility manager standardized all locks, including ignition cylinders, to Schlage keyways for master-key convenience.
To identify what you actually have: check the bow (the head) for “SC1” or “SC4” stamped near the shoulder, or measure the blade width. SC1 is .335 inch; SC4 is .380 inch. The wrong blank will seat but won’t lift the pins to shear line. We stock both Ilco and Jet aftermarket blanks that meet Schlage tolerances, plus OEM Strattec when the vehicle still carries factory warranty. The aftermarket saves $20-$40; OEM buys you the exact nickel-silver alloy spec. For a 2015-2019 fleet Silverado in Marietta, we usually recommend aftermarket. For a 2022 Tahoe under warranty, OEM only.
Signs Your Schlage Car Key Cutting Is Failing

- Key turns but engine won’t crank. The transponder chip embedded in the plastic bow has separated from its antenna coil, often from dropping the key on concrete parking lots near Marietta Square. The mechanical cut still works the lock; the immobilizer no longer reads the chip.
- Intermittent no-start, especially mornings. The chip’s winding has micro-fractures from flexing in a pocket. Heat from the dashboard in a parked car near Town Center expands the epoxy, temporarily reconnecting the break. By afternoon, failure returns.
- Remote range drops sharply. The fob’s 315 MHz transmitter loses power as the coin cell degrades, but we also see corrosion on the battery contacts from July humidity in Cobb County garages. New battery, same range? The RF module is failing.
- Key won’t insert fully into ignition. The blade has worn from brass lock dust accumulation, or the tip has bent slightly from use as a pry tool. We measure blade deviation with a micrometer; anything over .003 inch off spec causes binding.
- Spare key works; primary doesn’t. Isolates the key from the vehicle. If both fail, suspect the ignition reader coil, not the key. We test this on-site with a known-good blank before cutting anything.
Replacement Cost & What’s Included
| Service | Price Range | What’s Included |
|---|---|---|
| Standard SC1/SC4 transponder key, cut + cloned | $45-$75 | Aftermarket blank, cutting, cloning to existing pattern, 1-year defect warranty |
| Proximity fob, cut + programmed | $110-$175 | Aftermarket or OEM fob, blade cut, onboard programming, Haven Standard documentation |
| All-keys-lost service (no working key present) | $165-$260 | Key origination from lock impression or VIN lookup, programming, 2 keys cut |
| Ignition cylinder replacement (if reader coil failed) | $220-$340 | Labor, cylinder, keying to existing Schlage keyway, written scope |
What drives the range: OEM versus aftermarket blank, vehicle model year (newer = more complex immobilizer), and whether we have a working key to clone from or must originate from scratch. Every price is quoted in writing before we dispatch, per Haven Standard Clause 1. The price on the phone is the price on the invoice. No call-out surcharge, no “programming fee” added at the door.
DIY or Call Us?

You can safely check: the battery in your fob (CR2032, $4 at any Marietta hardware store), whether your spare key works, and whether the key blade is visibly bent. What you cannot safely do: attempt to program a transponder key with online “workarounds” that leave the immobilizer in a locked state, or disassemble the ignition cylinder to extract a stuck key. Modern GM and Ford ignitions use sidebar systems that drop into the column if forced. We carry the JMA and Ilco programmers on the van; the software licenses alone run $800 annually per vehicle family. The name on the invoice is the same name on the van. That’s the whole argument. Call (762) 252-5919 when you’re ready for a written quote.
FAQs
Three to five years for daily-carry transponder keys, shorter if the fob lives on a keychain with heavy tools that flex the bow. The humidity in Cobb County accelerates battery drain and contact corrosion in fobs stored in unconditioned garages. We see the best lifespan from keys kept in a dry console, not a pocket.
Sometimes. If the transponder chip has detached cleanly, we can re-epoxy it and re-tune the antenna coil. Success rate is about 60 percent. If the chip is cracked or the winding is broken, replacement is the only reliable fix. We test before quoting repair; if repair fails, you pay nothing for the attempt.
Twenty to forty minutes for a clone from an existing key. Ninety minutes for all-keys-lost origination on a 2018+ vehicle with encrypted immobilizer. We stock SC1, SC4, and common proximity fobs on the van for same-day completion in Marietta.
We stock Ilco and Jet aftermarket blanks for SC1 and SC4 keyways, plus Strattec OEM for common GM and Ford applications. Unusual fleet configurations or older Chrysler products may require next-day delivery. We’ll tell you before we dispatch, not after we arrive.
Written by Daniel Novak, Owner & Lead Technician, Novak Lock & Security Marietta at Novak Lock & Security Marietta, serving Marietta and nearby areas.






