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.
Medeco Commercial Locksmith in Katy: What to Know First
We provide independent Medeco commercial locksmith service in Katy, with same-day response for most calls and all pricing quoted in writing before we dispatch. Medeco high-security cylinders, deadbolts, and key-control systems require specialized tooling and key-code knowledge that standard lock shops often lack, which is why we carry factory-correct pinning kits and Medeco-specific key machines on every service vehicle. Typical turnaround for a commercial Medeco rekey or cylinder repair in Katy is two to four hours from your call, and the price you hear from our dispatcher is the price on your invoice, Haven Standard Clause 1, no exceptions.
This page is for property managers, business owners, and facilities staff in Katy who already own Medeco hardware and need service that preserves the warranty and key-control integrity of their investment. If you’re locked out of a Medeco-equipped office in LaCenterra at Cinco Ranch or need a master key system rekeyed after a personnel change, call (832) 402-8386 for a written estimate.
How Medeco Products Fail - and How We Fix Them
- Medeco Biaxial cylinders jam or key-stick after 8-12 years in Katy humidity. The dual-locking pin system uses angled cuts that trap moisture and brass oxide, especially in ground-floor retail near Katy Mills where slab moisture wicks into door hardware. We disassemble the cylinder, ultrasonic-clean the pin chambers, replace worn sidebar springs with OEM-spec wire, and re-lubricate with Houdini Lock Lube, not graphite, which cakes in high humidity.
- Medeco M3 key-control systems develop “ghost keying” after partial rekeys by non-specialists. The M3’s slider mechanism interacts with the sidebar and pin stack; if a previous tech rekeyed only the pins and ignored slider bitting, future keys may operate inconsistently. We decode the entire system, slider included, and rebuild to factory bitting spec using Medeco’s proprietary code cards.
- Medeco X4 deadbolts in exterior commercial doors show premature cam wear. The X4’s cast-brass cam wasn’t designed for the constant cycle load of a warehouse or medical office entry. We inspect cam engagement depth with a feeler gauge, replace with hardened steel aftermarket cams where the application demands it, and document the modification for your maintenance records.
- Medeco Original keyways suffer from “key float” in master-keyed systems. The shallow keyway and close tolerances mean that master-keyed Original cylinders accumulate wear at shear lines faster than single-key installations. We measure plug-to-shell tolerance with pin gauges and recommend either progressive replacement of the most-cycled cylinders or upgrading to M3 sliders for tighter master-key control.
- Medeco logic key systems lose programming after power events in Katy commercial buildings. The logic key’s electronic validation module is sensitive to voltage fluctuation, common in older Katy retail strips with outdated electrical panels. We recover programming with factory reset procedures, re-enroll authorized keys by serial number, and install surge protection on the power supply to prevent recurrence.
Our Medeco Commercial Locksmith Process

- 1
Call intake and key-code verification. Our dispatcher confirms your Medeco model line, keyway type, and whether you have an authorized key card or code record. No code, no rekey, no exceptions, this protects your key control.
- 2
On-site diagnosis with documented photo record. The technician photographs cylinder condition, door prep, and any visible wear patterns before touching tools to hardware. You receive this record at job completion.
- 3
Parts decision: OEM Medeco vs. quality aftermarket. We stock OEM cylinders, cams, and sidebar assemblies for warranty-preserved repairs. For out-of-warranty hardware in high-cycle applications, we may recommend hardened aftermarket components and explain the trade-off in writing.
- 4
Repair or rekey with factory-correct procedures. Pinning follows Medeco’s angle and depth specifications to .001 inch, verified with a Medeco-specific decoder before the cylinder leaves the bench. Slider systems get full bitting verification against code cards.
- 5
Function testing and key registration. Every key operates the cylinder minimum ten cycles, in both directions, with the door both open and closed. New keys are logged by cut number and quantity on your invoice copy.
- 6
Cleanup, documentation, and 365-Day Done Right Promise activation. We leave the work area as found, deliver your photo record and written warranty, and note Haven Standard Clause 7: if it’s not done right, we make it right.
Before
AfterWhat Medeco Commercial Locksmith Costs in Katy
Medeco work costs more than standard commercial rekeying because the hardware, key blanks, and technician training all cost more. Here is what we typically quote in writing for Katy commercial customers:
- Medeco cylinder rekey (single): $145-$195 per cylinder, including two factory-original keys
- Medeco master key system rekey (small commercial, up to 10 cylinders): $1,100-$1,600, including master key and change keys
- Medeco M3 slider repair or replacement: $220-$340 per cylinder
- Medeco deadbolt installation or replacement (labor only, customer-supplied hardware): $180-$260
- Medeco deadbolt installation with OEM hardware: $420-$580
- Medeco logic key system programming recovery: $280-$450
- Emergency commercial lockout with Medeco hardware (Katy, same day): $195-$295
Price drivers: key-code availability (no code requires decoding time), cylinder quantity, door condition (rusted through-bolts add labor), and whether the hardware is still under Medeco’s original warranty. We quote the full price on the phone before dispatch, and that price appears on your invoice unchanged. No call-out surcharge, no trip fee added at the door. Call (832) 402-8386 for a written estimate.
Why Katy Homeowners Call Novak Lock & Security Katy for Medeco Work

We’ve installed or serviced over 60,000 locks and key systems since 2002, and Medeco has been in that mix from the beginning. Daniel Novak keeps a worn Medeco spec sheet in his truck, not because he needs the reference anymore, but because he likes having the factory numbers in front of him when he’s explaining a cylinder upgrade to a customer. Name the part, name the price, describe what was found.
Our technicians are background-checked, uniformed, and trained to The Haven Standard, the same documentation and quality framework applied across all ten Haven brands. Every visit produces a photo record, every job starts with a written price, and every lock installation or rekey carries the 365-Day Done Right Promise. We also service Schlage and Kwikset commercial hardware, so if your property has mixed-grade installations, one call handles the scope without subcontracting or delay.
FAQs
No, if the rekey is performed by a technician using factory-correct procedures and OEM parts. As an independent Medeco service provider, we follow Medeco’s published service guidelines and document our work so warranty claims remain valid. Call (832) 402-8386 if you need warranty documentation for your records.
Most Medeco key blanks and cylinders ship to our Katy warehouse within 24-48 hours from Medeco’s Virginia distribution center. For common keyways, we stock blanks on our service vehicles and can often complete the job same day. We’ll tell you the exact availability when you call with your keyway number.
Repair makes sense when the cylinder body is sound and only internal components are worn, typically saving 40-60% versus full replacement. Replace when the cylinder shows physical damage, the plug-to-shell tolerance exceeds .008 inch, or you want to upgrade from Biaxial to M3 for stronger key control. We diagnose and quote both options in writing before starting.
Yes, if you have the master key code card or can provide an operating master key for decoding. Without the master bitting, we cannot safely create a cylinder that honors your existing hierarchy. We will verify code access during your call and advise if a system rebuild is more practical.
Yes. Haven Standard Clause 1 prohibits our technicians from changing the quoted price at your door. The dispatcher gathers enough detail to quote accurately, and if field conditions differ from what was described, we stop and call before proceeding. The price on the phone is the price on the invoice, every time. Call (832) 402-8386 for your written estimate.
Written by Daniel Novak, Owner, Novak Lock & Security Katy at Novak Lock & Security Katy, serving Katy and nearby areas.






