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 Elmhurst
Residential locksmith work in Elmhurst typically runs $95-$340 depending on the service, with most lockouts and rekeys completed in a single visit and priced in writing before we start. Our technicians are already familiar with the mortise hardware, seasonal frame shifts, and multi-tenant entry systems common to Elmhurst’s 1920-1955 housing stock, so we bring the right parts instead of making a second trip.
We serve the full range of Elmhurst residential properties, from single-family Colonials near Wilder Park to condos along the UP-West Metra corridor and rental units in the York-Vallette business district. Calls are answered by a live person, 24/7, at (331) 202-1318. Dispatch and scheduling are coordinated from our Chicago office; crews serve Elmhurst locally and carry vintage-mortise inventory that newer-build suburbs simply don’t require.
Why Novak Lock & Security Chicago Is Elmhurst’s Preferred Residential Locksmith Company
We’ve worked on over 60,000 locks, keys, and security systems since 2002. Every job started with a written price and ended with a documented photo record left with the customer. That is not a marketing claim. It is Haven Standard Clause 1: the price quoted on the phone is the price on the invoice, and our technicians are contractually prohibited from changing it at the door.
Elmhurst customers find us because they read the three-star reviews, not the five-star ones. They want to know how we handle the edge cases: a mortise lock body with no visible manufacturer marking, a condo entry where the HOA owns the door, a building master key system that has not been documented since 1987. We answer those questions on the phone, in writing, before anyone dispatches.
Response time to Elmhurst averages 25-40 minutes for lockout calls, depending on traffic on Roosevelt Road or York Street. For scheduled work - rekeys, deadbolt installations, master key surveys - we book a firm arrival window and call 30 minutes out.
Our Residential Locksmith team is background-checked, uniformed, and trained to The Haven Standard, the same documented quality framework applied across all ten Haven brands. Daniel Novak has owned and operated Novak Lock & Security since 2002. The name on the van is the name on the invoice.
Our Residential Locksmith Services in Elmhurst

Lock Rekey
A lock rekey in Elmhurst typically runs $18-$28 per cylinder for standard residential hardware, $45-$75 for high-security cylinders like Medeco or Mul-T-Lock. We re-pin the existing lock to a new key, rendering old keys useless. This is the right choice when you have taken possession of a home, terminated a lease, or lost track of how many copies of your key exist.
In Elmhurst’s multi-tenant buildings, rekeying is often a building-wide decision, not a unit decision. A single non-restricted key copied at a hardware store on York Road can circulate indefinitely. We assess whether your building needs restricted-key blanks, master key layering, or a full cylinder upgrade. The scope is written before we start. The price is fixed.

Residential Lockout
Lockout response in Elmhurst is priced at $95-$145 during standard hours, with the exact quote given when you call (331) 202-1318. We do not add a “trip charge” or “service fee” on arrival. The price on the phone is the price on the invoice, per Haven Standard Clause 1.
Elmhurst lockouts often involve more than a simple cylinder pick. Seasonal frame heave from the Chicago freeze-thaw cycle misaligns deadbolt throw plates on older wood doors, particularly in late winter and early spring. The door is not locked. It is stuck. Our technicians carry jamb-spread tools and strike-alignment kits for this exact scenario, common in the Tudor and Craftsman stock near Park Avenue and Prospect Avenue.

Deadbolt Installation
New deadbolt installation in Elmhurst runs $125-$225 for a grade 2 cylindrical deadbolt, $280-$420 for a high-security mortise deadbolt with restricted keying. We measure the door prep, identify whether you have a standard 2-1/8″ bore or an older mortise pocket, and quote accordingly.
On Elmhurst’s 1920-1955 housing stock, we frequently encounter doors where a previous owner drilled a cylindrical deadbolt into a mortise door prep, weakening the stile and creating a security gap. We will tell you if we find this. We will show you the photo. Then we will quote repair or replacement, in writing, before any holes are drilled.

Lock Change
Full lock change - removing the existing hardware and installing new - runs $145-$340 in Elmhurst depending on grade, finish, and whether the door requires prep modification. We stock Kwikset and Schlage for same-day installation, and order Baldwin or Yale when a specific architectural finish is required.
On the historic blocks radiating from downtown near the UP-West Metra station, we regularly advise against replacing original mortise locksets with modern cylindrical hardware. The door’s prep, the building’s key control, and often the local historic-preservation guidelines all favor repair over replacement. We source vintage-compatible cylinders and tailpieces rather than destroying the original hardware.

Window Lock & Door Reinforcement
Window lock installation and door reinforcement are quoted on inspection. Elmhurst’s older double-hung windows often need sash locks, vent stops, or keyed locks for basement egress. Door reinforcement includes strike-plate upgrades, jamb armor, and hinge-side security. We assess the frame condition, note any rot or prior forced entry, and write the scope before we start.

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 Elmhurst
We carry stock for Kwikset, Schlage, Baldwin, and Medeco on every Elmhurst service vehicle. Kwikset and Schlage cover the majority of residential calls - rekeys, replacements, and new installations. Baldwin serves the architectural-grade hardware common in the restored Colonials near Wilder Park. Medeco high-security cylinders are specified for multi-tenant buildings where key control is critical.
For vintage mortise work, we maintain a parts inventory of Corbin, Russwin, and Sargent-compatible cylinders and tailpieces that cannot be sourced at retail. This is not a convenience. It is the difference between completing a job in one visit and telling an Elmhurst customer we need to come back.
Common Residential Locksmith Problems We See in Elmhurst Homes

- Seasonal frame heave misaligning deadbolt throws. The Chicago freeze-thaw cycle shifts Elmhurst’s older wood door frames, particularly in late winter. The deadbolt will not seat. The key turns. The cylinder is fine. The frame has moved. We realign the strike plate or shim the jamb rather than replacing a functional lock.
- Layered incompatible hardware on original mortise prep. Three or four generations of owners have modified the same 1930s door. A modern cylinder jammed into an antique body with a wrong-size spindle. The lock fails intermittently. The fix is parts sourcing, not force. We carry vintage-compatible inventory for this exact scenario.
- Non-restricted keys copied without building oversight. In Elmhurst’s multi-tenant buildings, a single key copied at a strip-mall kiosk becomes a permanent liability. We upgrade to restricted-key systems where duplication requires authorization, documented by serial number.
- Destroyed mortise prep from prior “upgrades.” A previous owner drilled out the original mortise pocket to install a cylindrical deadbolt, weakening the door stile and eliminating the building’s original key control. We assess whether the door can be restored or must be replaced, and we document the condition with photos before quoting.
Pricing for Residential Locksmith in Elmhurst, IL
| Service | Typical Range in Elmhurst |
|---|---|
| Residential lockout | $95-$145 |
| Lock rekey (standard cylinder) | $18-$28 per cylinder |
| Lock rekey (high-security) | $45-$75 per cylinder |
| Deadbolt installation (grade 2 cylindrical) | $125-$225 |
| Deadbolt installation (high-security mortise) | $280-$420 |
| Full lock change | $145-$340 |
| Master key survey (multi-tenant) | Quoted on inspection |
These ranges reflect Elmhurst’s market. The final price depends on hardware grade, door condition, and whether vintage parts are required. We quote the full price on the phone before dispatching a technician. There is no call-out surcharge. The price on the phone is the price on the invoice. Estimates are free. Call (331) 202-1318.
We Also Serve Cities Near Elmhurst

Our Residential Locksmith in Elmhurst coverage extends to Lombard, Hinsdale, Downers Grove, and Oak Park. Each of these markets has distinct housing stock and locksmith needs. Hinsdale’s estate properties require different hardware than Oak Park’s Frank Lloyd Wright-influenced designs. We carry inventory and expertise for each.
Serving Elmhurst, IL - Our Local Coverage Area
We’re based in the Elmhurst 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 Elmhurst

Yes. We can rekey your existing cylinder to a new key and upgrade to a restricted-key blank that cannot be duplicated at retail locations. The new key requires authorization and is tracked by serial number. This is standard practice for multi-tenant buildings in Elmhurst where key control is a building-wide concern. Call (331) 202-1318 for a written scope and per-lock price.
Probably not. The Chicago freeze-thaw cycle causes wooden door frames in Elmhurst’s older housing stock to heave and shift seasonally, misaligning the deadbolt throw plate. The cylinder and key are likely fine. We carry jamb-spread tools and strike-alignment kits to correct this without replacing hardware. The visit is priced at our standard lockout rate, quoted in writing before we arrive. Call (331) 202-1318.
Yes. Our technicians are trained in non-destructive entry methods, and we document the door condition with photos before and after. If the lock requires drilling, we obtain written authorization and quote the replacement hardware before proceeding. The HOA’s property is protected by our documented procedure and the 365-Day Done Right Promise. Call (331) 202-1318 for an exact quote.
Usually, yes. We can rekey compatible cylinders to a master key system that allows individual unit keys and a building master. The feasibility depends on cylinder type and keyway compatibility. We survey the building, inventory the existing hardware, and provide a written scope with per-lock pricing. This is common in Elmhurst’s older multi-tenant buildings with decades of layered hardware. Call (331) 202-1318 to schedule a survey.
Not always. Many of Elmhurst’s 1920-1955 doors lack the structural integrity or prep standard for modern electronic locks. We assess the door thickness, stile width, and existing bore before recommending any upgrade. When appropriate, we install keypad or smart locks with proper reinforcement. When not, we explain why and offer alternatives. The assessment is free. Call (331) 202-1318.
On a 1930s Tudor block off Park Avenue near downtown Elmhurst, a tenant’s front door had a modern Schlage lock cylinder jammed into an original antique Corbin mortise lock body with a wrong-size spindle, so the deadbolt wouldn’t throw and the owner assumed the cylinder had failed. We sourced the correct Corbin-compatible cylinder and tailpiece, re-pinned the pin and tumbler stack to the tenant’s new key, and aligned the strike so the deadbolt seated-no drilling, no door damage, and old keys dead.
Elmhurst’s 1920-1955 housing stock means residential calls here land on real mortise-lock bodies-worn cast tailpieces, skeleton-key cylinders, mismatched replacement cylinders-far more often than in post-1970 DuPage suburbs like Addison or Carol Stream, so the right parts and vintage-mortise know-how usually have to be on the truck before we arrive. This is not a generic suburb call. It is a distinct technical environment that defines how we prepare, what we carry, and how we quote.
Ready to schedule? Call (331) 202-1318 for a free estimate. We will quote the full price on the phone, dispatch a background-checked, uniformed technician, and leave you with a documented photo record and written warranty under our 365-Day Done Right Promise.
Written by Daniel Novak, Owner at Novak Lock & Security, serving Elmhurst since 2002.






