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.
Fast, Reliable Lock Installation & Rekey Across Sanford
Lock installation and rekeying in Sanford, FL runs about $65-$145 per cylinder for standard residential locks, with smart lock installation typically landing between $180-$360 including the full setup and programming. A rekey usually takes 30-60 minutes once we’re at the door; a new deadbolt installation runs 45-90 minutes. If you live in the Sanford Historic District, off Lake Forest, or near the Auto Train depot on Persimmon Avenue, we’re generally at your door within 45-60 minutes. Call (331) 310-8471 and you’ll get a written price before anyone is dispatched.
Why Novak Lock & Security Is Sanford’s Preferred Lock Installation & Rekey Company
Novak Lock & Security has worked on Lock Installation & Rekey jobs across Sanford for years, from original mortise locks in First Street bungalows to keyless entry systems in Lake Forest. Since 2002, we have installed or serviced over 60,000 locks, keys, and systems, every one with a written price before work started and a documented photo record when we left. That’s not a slogan. That’s Haven Standard Clause 1: the price on the phone is the price on the invoice. Our technicians are background-checked, uniformed, and trained on the full range from entry-grade Kwikset to high-security Medeco and Mul-T-Lock. When you call, a live person answers, 24/7. No voicemail queue, no automated phone tree.
Daniel Novak built the company on a single rule that hasn’t changed in over two decades: a firm quote before dispatch, and no authority for any technician to change that number at your door. Sanford homeowners tell us the same thing every month: another company quoted $29, then tried to charge $400. We don’t play that game. We give you the range up front, and the price is fixed before we send a truck. Every visit ends with a written record and photos so you can see exactly what was done, what was found, and what you paid for.
Our Lock Installation & Rekey Services in Sanford

Smart Lock Installation
Smart lock installation in Sanford requires planning for humidity. The electronic components in a keyless deadbolt don’t fail from heat; they fail from corrosion at the battery terminals when moisture sits against the escutcheon for months. We recommend and install models with sealed battery compartments and corrosion-resistant finishes, particularly for homes near Lake Monroe where ambient humidity runs higher than the Orlando average. Expect $180-$360 installed, including app setup and a walkthrough of user codes, schedules, and audit logs.

Keyless Entry and Keypad Lock
Keypad entry is the most common upgrade we install in Sanford, especially in the gated subdivisions around Lake Forest and in condo buildings near downtown where residents want to give a dog walker or cleaner a temporary code instead of a physical key. A keypad deadbolt installation runs $150-$280 including the lock, installation, and programming of up to 25 unique access codes. We also retrofit keypad handles on existing deadbolts when you want to keep your current locks but add code access.

Biometric Lock
Biometric locks use a fingerprint sensor to release the deadbolt, and they’re becoming more common in Sanford rental units and short-term rental properties where key management is a recurring headache. A biometric deadbolt installation runs $220-$400 depending on the sensor quality and whether you’re adding a Wi-Fi bridge. One thing to know before you buy: Sanford’s humid season can reduce fingerprint sensor accuracy if the sensor is exposed to direct rain. We install units with coated sensors rated for outdoor use, and we’ll tell you plainly if a biometric model isn’t right for your door.

Key Duplication
Key duplication in Sanford isn’t always as simple as cutting a blank. If you live in the Sanford Historic District and you’re handing us a skeleton key with a carved bow, that key needs a specialty cut from a restricted blank. If you’re in a condo building or HOA with key control rules, copying a key may require written authorization from the property manager. We cut standard keys, restricted keys, and transponder keys, and we always check the blank type against the lock before we cut. Standard key duplication runs $3-$8 per key; restricted or specialty keys run $15-$35 per key.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Sanford
We install and service Medeco, Mul-T-Lock, and Baldwin hardware throughout Sanford, and we stock common parts locally so your rekey or repair isn’t waiting on a shipment. Medeco and Mul-T-Lock are the brands we recommend when key control matters, particularly for condo associations, commercial properties, or any Sanford resident who’s had a key copied without permission. Both brands issue restricted keyways, meaning the blanks can’t be duplicated at a hardware store. Baldwin is the typical choice for homeowners in the Sanford Historic District who want a new lock that matches the period hardware on their front door without sacrificing security. If you bring us a written estimate from another shop, we’ll review it at no charge.
Common Lock Installation & Rekey Problems We See in Sanford Homes

- Swollen door frames after summer thunderstorms. Sanford’s rainy season causes the wood frames in historic-district homes to absorb moisture and expand, throwing the deadbolt out of alignment with the strike plate. Forcing the bolt damages the screw threads and leaves the door unsecurable. We re-hang or re-shim the frame before installing or rekeying the lock, so the new cylinder isn’t fighting the door.
- Corroded pin-tumbler cylinders from Lake Monroe humidity. Elevated year-round moisture accelerates corrosion inside standard cylinders, eventually causing keys to stick or jam. We see this constantly in older Sanford homes, and the fix is usually a cylinder rebuild with corrosion-resistant pins and springs rather than a full lock replacement.
- Skeleton-key mortise locks that no one can rekey correctly. In the Sanford Historic District, many original mortise locks require specialty cuts or full cylinder rebuilds. A standard key blank forced into a carved keyway turns halfway and jams. We stock the right blanks and can rebuild the mortise body instead of telling you to replace a 100-year-old door.
- Condo and HOA key-control violations. A tenant copies a key at a hardware store, moves out, and now the building manager has no record of who holds access. We install restricted-key systems for Sanford condos and rental properties so no duplicate can be cut without the property manager’s written authorization.
Pricing for Lock Installation & Rekey in Sanford, FL
Here are the ranges we quote for Sanford. A standard residential rekey runs $65-$145 per cylinder depending on the lock type and whether we’re also addressing alignment or hardware issues. New deadbolt installation runs $120-$220 per door for entry-grade hardware, and $220-$380 per door for high-security deadbolts with restricted keys. Smart lock installation runs $180-$360. Key duplication runs $3-$8 for standard keys, $15-$35 for restricted blanks. Keypad entry systems run $150-$280 installed. These are written ranges, not bait. The dispatcher gives you the firm price before we send a technician, and the technician cannot change that number at your door. There is no call-out surcharge added on arrival. Call (331) 310-8471 for an exact quote, and we will email you the written scope before the truck rolls.
We Also Serve Cities Near Sanford

Novak Lock & Security provides Lock Installation & Rekey in Sanford and serves nearby communities including Deltona, Altamonte Springs, Apopka, and Orlando. Dispatch and scheduling are coordinated from our Orlando office, and Sanford crews serve the city locally. The same written-price rule applies everywhere we work, with no exceptions.
Serving Sanford, FL - Our Local Coverage Area
We’re based in the Sanford area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Lock Installation & Rekey in Sanford

Yes, in most cases we can rebuild the original mortise lock body and install a new cylinder without touching the door itself. We have rekeyed and rebuilt century-old mortise locks throughout the Sanford Historic District, including original hardware on First Street and Palmetto Avenue. The condition of the mortise body matters: if the internal springs are worn or the bolt is seized from decades of humidity, the body may need a rebuild before a new cylinder will function. That rebuild runs $150-$300 per lock depending on the hardware, and it preserves the original door. Call (331) 310-8471 and we’ll give you a written range for your specific lock before anyone comes out.
Yes. We handle lockouts at the Auto Train depot on Persimmon Avenue regularly. Travelers step off a 17-hour overnight run from Lorton, VA with a fob battery that died on the train or an unfamiliar spare that was never programmed. We dispatch to the station and can cut and program a new transponder key or replace the fob battery on site. Automotive lockout response to the Auto Train station runs $75-$150 depending on the vehicle and the key type. Call (331) 310-8471 and you’ll speak with a live person immediately.
In most Sanford homes, it’s a door problem. The wood frames in older homes absorb moisture from the humid air off Lake Monroe and swell after summer thunderstorms, which pushes the strike plate out of alignment with the deadbolt. The lock hasn’t failed; the door has moved. The correct fix is to re-hang or shim the door frame so the bolt lines up cleanly, then rekey or replace the lock as needed. Forcing the deadbolt strips the strike plate screws and can leave the door unsecurable. A frame alignment runs $80-$150, and we rekey or replace the lock at the same visit if it’s needed. Call (331) 310-8471 for a written quote.
You can enforce key control by installing restricted-key cylinders from Medeco or Mul-T-Lock on every unit and common door. Restricted keyways use patented blanks that cannot be duplicated at a hardware store or a standard locksmith; the only place that can cut a duplicate is the locksmith who owns the keyway, and only with the property manager’s written authorization. This converts every key into a documented record, so when a tenant moves out you know exactly how many keys exist and who holds them. We install and manage restricted-key systems for condo buildings throughout Sanford, including properties near downtown and along the lakefront. A per-door cost for a restricted-key rekey runs $85-$165 per cylinder, and we provide the full key log to the building manager. Call (331) 310-8471 and ask for Daniel Novak.
Rekeying changes the internal pins inside the existing cylinder so old keys stop working and new keys operate the same lock. It costs less than replacement and is the right choice when your existing hardware is in good mechanical condition. Replacing a lock means installing an entirely new lock body, cylinder, and trim, which is the right choice if the lock is worn, corroded, or you want to upgrade to a smart lock or a restricted-key system. A rekey in Lake Forest runs $65-$145 per cylinder; a new deadbolt installation runs $120-$220 per door for entry-grade hardware. We’ll tell you plainly which option makes sense for your door when we inspect it. Call (331) 310-8471 for a free estimate.
What Makes Sanford Different for Lock Work
Sanford is the southern terminus of Amtrak’s Auto Train, the only point in Florida where thousands of vehicles arrive annually on overnight runs from Lorton, Virginia. That creates a recurring call type no neighboring city sees: a traveler stepping off a 17-hour train at the Persimmon Avenue depot with a dead key fob battery, an unfamiliar spare, or a transponder that won’t start the car. We’ve cut and programmed replacement keys in the depot parking lot more times than we can count. The Auto Train doesn’t stop in Deltona, Altamonte Springs, Apopka, or Orlando. This is a Sanford-specific demand pattern.
At the same time, Sanford’s National Register-listed Historic District along First Street and Palmetto Avenue contains some of the oldest continuously occupied housing stock in Seminole County. These homes still have original mortise locks with carved skeleton keys, and many have mismatched hardware from decades of piecemeal repairs. Rekeying these locks correctly requires specialty blanks and often a full mortise-body rebuild, not a standard pin-and-tumbler rekey. In the Sanford Historic District off Palmetto Avenue, our tech arrived at a 1910 Craftsman bungalow where the original mortise lock’s deadbolt had seized after weeks of Lake Monroe humidity and a swollen wood frame. We rebuilt the century-old mortise body with a new Medeco cylinder, cut restricted keys, and installed a twin-cylinder deadbolt with anti-bump pins so the owner and their condo association retained key control over every duplicate. That job could not be done with a standard Kwikset rekey, and any locksmith who tried would have left that resident with a key that turned halfway and jammed inside the lock body.
If you live in a Sanford condo building or a gated community like Lake Forest, key control is often a building-wide concern, not just a personal one. A tenant who copies a key at a hardware store creates a security risk for every unit in the building. Restricted-key systems solve that problem by making every duplicate a documented event. That’s what we mean when we say Sanford’s mix of Auto Train lockouts, historic mortise locks, and condominium key-control rules changes what you should expect from a rekey or a new lock installation. A generic solution that works in a new construction subdivision will fail in Florida humidity and a 100-year-old door frame.
Call Novak Lock & Security for Lock Installation & Rekey in Sanford

Call (331) 310-8471 and you’ll speak with a live person, day or night. Tell us what you need, and we’ll give you a written price before anyone is dispatched. The price you’re quoted is the price on the invoice, with no call-out surcharge and no changed number at your door. Every job is backed by the 365-Day Done Right Promise, and every visit ends with a documented photo record so you can see exactly what was done. Daniel Novak and the Sanford team are ready when you are.
Written by Daniel Novak, Owner at Novak Lock & Security, serving Sanford since 2002.






