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 Residential Locksmith Across Chicago
Residential locksmith service in Chicago typically runs $120-$380 depending on the job, with most lockouts and rekeys completed same-day and emergency calls answered by a live person in under a minute. Our dispatch and scheduling are coordinated from our Chicago office, and our technicians carry the obsolete Corbin and Yale pins, mortise lock bodies, and strike-plate shims that pre-war two-flats and courtyard buildings across the city require. Call (331) 202-1318 for a firm, written price before we dispatch - Haven Standard Clause 1: the price on the phone is the price on the invoice.
Why Novak Lock & Security Chicago Is Chicago’s Preferred Residential Locksmith Company
We’ve installed or serviced over 60,000 locks, keys, and systems since 2002, every one with a written price before we started and a documented photo record when we left. In Chicago specifically, that work has concentrated in the two-flat and three-flat neighborhoods where mortise locksets from the 1920s and 1930s are still in daily service - Logan Square, Bridgeport, Woodlawn, Pilsen, Avondale - and where a technician who treats an original Yale cylinder like a modern Kwikset deadbolt will drill a perfectly serviceable lock.
Our reviews from Chicago customers consistently note two things: the dispatcher quotes a real number, and the technician arrives with the actual parts for old Chicago housing stock rather than a van full of big-box deadbolts. Response time to Chicago neighborhoods averages 25-45 minutes for emergency lockouts, longer for scheduled rekeys and installations. Every technician is background-checked, uniformed, and works to The Haven Standard, the same documented quality framework applied across all ten Haven brands.
The 365-Day Done Right Promise applies to every lock installation, rekey, and emergency call: if it’s not done right, we make it right. Free second opinion on any competitor’s written estimate - bring us the quote and we’ll review it at no charge.
Our Residential Locksmith Services in Chicago

Lock Rekey
Lock rekey in Chicago typically runs $25-$45 per cylinder for standard pin-and-tumbler hardware, $55-$95 for obsolete-format mortise cylinders in pre-war two-flats and courtyard buildings - quoted in writing before we start. The Chicago Residential Landlord and Tenant Ordinance (RLTO) requires rekeying between tenants, and for the thousands of small landlords in Pilsen, Avondale, and Woodlawn, that means finding a technician who can rekey a 1920s Corbin or Yale mortise lock rather than replacing it with a modern deadbolt that won’t fit the door. We stock the pins, springs, and cams for these obsolete formats and document the rekey with a photo record left with you at completion.

Lock Change
Full lock change in Chicago ranges $140-$280 for entry-grade deadbolt installation on a standard door, $220-$420 for mortise lock replacement in pre-war masonry construction where the lock body is integrated into the door edge. Many Chicago two-flats and three-flats have mortise locks that are genuinely worn - stripped gears, cracked cases, or cylinders that no longer align with the bolt - and in those cases we replace with a compatible mortise lockset rather than forcing a modern cylindrical deadbolt into a door that wasn’t built for it. We name the brand, the grade, and the exact price before we cut metal.

Residential Lockout
Emergency lockout service in Chicago runs $120-$180 during standard hours, $180-$240 overnight, with the firm price quoted on the phone before dispatch. For mortise lockouts in older Chicago buildings, we use non-destructive entry techniques - picking, bypassing, or decoding - rather than drilling, because drilling a mortise lock often destroys hardware that hasn’t been manufactured in decades. We got a call from a landlord in Avondale whose tenant’s key was sticking in an original Yale mortise lock on a 1920s two-flat - it worked in July but seized solid after a January cold snap. Our tech used a non-destructive entry pick on the frozen cylinder, then pulled the mortise lock body to free and lubricate the pins instead of drilling. Because the door frame had swelled and settled over decades, we also had to realign the strike plate and shim the latch so the bolt would seat again - a cylinder swap alone would have left the tenant locked out by lunch.

Deadbolt Installation
New deadbolt installation in Chicago costs $160-$260 for a standard single-cylinder deadbolt on a properly prepared door, $280-$420 for fresh installation in masonry or metal doors common in Chicago’s greystone and common-brick buildings. The challenge in Chicago’s older housing stock is that many original doors are too thin, too warped, or too settled to accept a modern deadbolt without structural reinforcement - we assess the door thickness, frame condition, and alignment before quoting, and we tell you if a deadbolt is the wrong solution for your particular door.

Door Reinforcement
Door reinforcement in Chicago runs $180-$340 depending on the extent of frame repair, strike-plate upgrading, and jamb reinforcement needed. Chicago’s extreme seasonal temperature swing - from -20°F polar vortex mornings to 95°F summer afternoons - swells and shrinks solid-wood doors in pre-war buildings twice yearly, throwing bolt alignment off even when the lock itself is sound. We address the root cause: shimming or relocating strike plates, reinforcing split jambs, and installing full-length strike plates with 3-inch screws that bite into the framing behind the trim. This is corrective work, not cosmetic - we document what we found and what we did with the photo record included on every visit.

Window Lock
Window lock installation and repair in Chicago typically runs $45-$120 per window for standard sash locks, $85-$180 for keyed window locks or replacement of corroded original hardware. Chicago’s lake-effect humidity and freeze-thaw cycles corrode window hardware faster than inland climates, particularly on original steel windows in pre-war courtyard buildings. We match or replace with appropriate hardware rather than forcing modern units onto frames that weren’t built for them.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Chicago
We carry stock for Kwikset and Schlage entry-grade hardware, Medeco high-security cylinders, and Baldwin premium deadbolts at our Chicago office, with same-day availability on most residential items. For Chicago’s older housing stock, we also maintain inventory of Yale and Corbin mortise lock components - cylinders, cams, springs, and replacement lock bodies - that big-box retailers and suburban suppliers stopped stocking decades ago. Factory-authorized work on all brands we sell, with warranty documentation provided in writing at job completion.
Common Residential Locksmith Problems We See in Chicago Homes

- Frozen mortise cylinders after polar vortex events. Chicago’s January and February temperatures routinely hit -15°F or lower, seizing lock cylinders when graphite or silicone lubricant fails and internal condensation freezes solid. We use non-destructive entry, then disassemble and properly lubricate the lock body - not just the keyway - to prevent recurrence.
- Seasonal deadbolt misalignment on settled greystone and common-brick doors. The same door that latches cleanly in October jams in July or gaps in January because the wood swells and shrinks across Chicago’s 115-degree annual temperature range. We realign strikes and shim latches rather than replacing locks that are mechanically sound.
- Obsolete Corbin or Yale mortise locks treated like modern pin-and-tumbler cylinders. Standard rekey kits don’t fit these formats. A technician without the right pins and cams ends up drilling a lock that just needed the correct obsolete components - we stock them.
- RLTO rekey obligations missed by landlords in Pilsen, Woodlawn, and Avondale. Handing over new keys without rekeying the mortise lock between tenants leaves the old tenant’s key working, creating liability under the Chicago Residential Landlord and Tenant Ordinance. We document the rekey with a photo record that satisfies the ordinance’s maintenance requirements.
Pricing for Residential Locksmith in Chicago, IL
| Service | Typical Range in Chicago |
|---|---|
| Residential lockout (standard hours) | $120 - $180 |
| Residential lockout (overnight/emergency) | $180 - $240 |
| Lock rekey - standard cylinder | $25 - $45 per cylinder |
| Lock rekey - obsolete mortise format | $55 - $95 per cylinder |
| Deadbolt installation - standard door | $160 - $260 |
| Deadbolt installation - masonry/metal door | $280 - $420 |
| Full mortise lock change | $220 - $420 |
| Door reinforcement / strike repair | $180 - $340 |
| Window lock repair or replacement | $45 - $180 per window |
These are the ranges we quote on the phone - the exact price depends on the lock grade, door condition, and whether we’re working with standard or obsolete hardware. The dispatcher will ask the right questions to pin it down before anyone is dispatched. No call-out surcharge added on arrival. The full price is quoted on the phone and is the price on the invoice. Free estimate - call (331) 202-1318.
We Also Serve Cities Near Chicago

Our Chicago crews also handle residential locksmith calls in Cicero, Berwyn, Oak Park, and Oak Lawn - same written-price policy, same documented photo record, same Haven Standard procedures. If you’re just outside city limits and working with the same pre-war housing stock or newer construction, we cover you.
Serving Chicago, IL - Our Local Coverage Area
We’re based in the Chicago 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 - Residential Locksmith in Chicago

Most original mortise locks in Chicago’s pre-1945 two-flats and courtyard buildings can be rekeyed if the lock body is intact and the cylinder is a standard or semi-standard format like Yale, Corbin, or Russwin. We stock the obsolete pins and cams for these formats. Replacement becomes necessary when the lock body is cracked, the bolt mechanism is stripped, or the door has been modified so extensively that no compatible mortise lock will fit. We’ll tell you which category yours falls into after inspection - we don’t replace hardware that can be rekeyed. Call (331) 202-1318 for a free assessment and written quote.
Your deadbolt sticks seasonally because Chicago’s extreme temperature swing - from below-zero polar vortex mornings to 95°F summer afternoons - swells and shrinks the solid-wood door and causes the masonry or wood frame to shift on its settled foundation. The bolt and strike plate that aligned in October no longer line up in July or January. The lock cylinder is usually fine; the fix is realigning the strike, shimming the latch, or in some cases planing the door edge where paint and humidity have built up. We diagnose this on site and quote the correction in writing. Call (331) 202-1318 - estimates are free.
Yes. The Chicago Residential Landlord and Tenant Ordinance (RLTO) requires landlords to rekey or replace locks between tenants so that prior keys no longer operate the unit. For courtyard apartments and two-flats with original mortise locks, that means rekeying the actual mortise cylinder - not just handing over new keys for a lock that wasn’t changed. We document the rekey with a dated photo record that satisfies the ordinance’s maintenance documentation requirements. Call (331) 202-1318 to schedule - we handle bulk rekeys for multi-unit buildings with a single written scope and per-lock pricing.
Yes, in nearly all cases. Our technicians carry picks, bypass tools, and decoding equipment for mortise locks - including the Yale, Corbin, and Sargent formats common in Chicago’s older housing stock. Drilling a mortise lock is a last resort, not a default, because many of these lock bodies haven’t been manufactured in decades and replacement requires sourcing compatible hardware or modifying the door. We attempt non-destructive entry first and will tell you before any drilling begins. Call (331) 202-1318 for emergency lockout service - firm price quoted before dispatch.
Don’t force the key - the torque can shear the key off in the cylinder or snap the frozen pins inside the lock body. If you have a hair dryer or heat gun, gentle warming of the exterior escutcheon can sometimes free the cylinder enough to turn, but the internal mechanism may still be frozen solid. The proper fix is disassembling the mortise lock body, removing ice and failed lubricant, and re-lubricating with a low-temperature formulation that won’t gum in summer. We handle frozen-lock calls throughout Chicago’s winter - call (331) 202-1318 for a firm quote and response time to your neighborhood.
Ready to get a firm, written price before any work starts? Call Novak Lock & Security at (331) 202-1318 for your free estimate. Our Residential Locksmith team answers live, 24/7, with dispatch coordinated from our Chicago office. Every job starts with a written price and ends with a documented photo record - Haven Standard Clause 1, since 2002.
Written by Daniel Novak, Owner at Novak Lock & Security, serving Chicago since 2002.






