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 Danbury
Lock installation and rekeying in Danbury works differently than in the towns around us. The volume of tenant turnover near downtown means we rekey the same Elm Street triple-decker three, sometimes four times a year. The housing stock jumps from hat-era mortise locksets to 1980s cylindrical deadbolts within a four-block radius. If you need a lock installed, a cylinder rekeyed, or a smart lock retrofit that actually holds up through a Still River valley winter, call us at (331) 310-8471. We quote a firm price before we dispatch and the price on the phone is the price on the invoice.
Why Novak Lock & Security Is Danbury’s Preferred Lock Installation & Rekey Company
Novak Lock & Security has handled Lock Installation & Rekey work across Fairfield County since 2002. But Danbury has always been its own animal. A technician working the west side near Mill Plain Road one hour can be pulling a corroded mortise cylinder on a White Street worker cottage the next. Our crews know which buildings still carry original rim locks from the hat factory era, which 1960s subdivisions use standard Schlage-compatible prep, and which property managers downtown need keyless turnover systems installed before the first of the month. That local familiarity is why we do not train on Danbury; we have been doing the work here long enough to know what is behind the door before we open it.
We answer the phone with a live person around the clock. No voicemail queue, no automated attendant. When a landlord on Osborne Street loses key control at 7:00 p.m. the day before a move-in, they get a dispatcher who can quote the job and send a background-checked, uniformed technician. Daniel Novak set the rule in place in 2002, and it is Haven Standard Clause 1: the price on the phone is the price on the invoice. Our technicians cannot change the number at the doorstep. Every Danbury visit includes a documented photo record of the work, left with the customer at completion.
Our Lock Installation & Rekey Services in Danbury

Here is what we actually install and rekey in Danbury, and how each service behaves in this city’s particular housing stock.
Smart Lock Installation
Retrofitting a smart lock onto a door in Danbury’s downtown core is rarely a simple swap. The late-Victorian worker cottages and triple-deckers near White and Elm Streets often have non-standard door prep, swollen frames, or original mortise bodies that do not line up with a modern deadbolt footprint. We assess the door, realign the strike if freeze-thaw has shifted it, and install a smart lock that will keep working through February. In the ranch and colonial subdivisions on the city’s outer edges, the installs are faster and the prep is standard. Either way, you get a written price before we start.
Keyless Entry
Keyless entry in Danbury is primarily a landlord tool. When a property manager turns a downtown unit three times a year, cutting and tracking physical keys becomes a liability. We install keypad and keyless systems that let you delete a code the moment a tenant leaves. On Elm Street, we returned to the same triple-decker two weeks after a rekey to install a keypad on the front entry because the property manager needed keyless turnover between new renters. That is the normal rhythm of Danbury work.
Keypad Lock Installation
Keypad locks fail in Danbury for a specific reason: the freeze-thaw cycling of the Still River valley swells wooden door frames in older multi-families and throws the strike plate out of alignment. A keypad deadbolt with a slightly misaligned bolt will grind, bind, and eventually stop throwing. We realign or replace the strike as part of any keypad installation in the older urban core. On newer construction near Danbury Fair mall, the installs are straightforward. The price is quoted in writing either way.
Biometric Lock Installation
Biometric locks need clean, stable door geometry and consistent power. In Danbury’s older downtown buildings, we check the frame alignment and cylinder condition before recommending them. For a commercial office on Main Street or a high-turnover rental where key control is critical, a fingerprint or keypad biometric unit makes sense. For every job, we tell you plainly whether the door can take the hardware without chasing alignment problems later.
Trusted Brands We Service in Danbury
We install and rekey Baldwin, Mul-T-Lock, Yale, and Sargent hardware, and we stock the common cylinders, tailpieces, and strike plates those brands need for Danbury’s mix of old and new doors. If an older mortise lock on a West Street cottage needs a Mul-T-Lock high-security cylinder, we can fit it. If a 2018 colonial near Candlewood Lake needs a Baldwin deadbolt matched to the existing trim, we do that too. Every part is priced in writing before any work begins.
Common Lock Installation & Rekey Problems We See in Danbury Homes

- Freeze-bound deadbolts in the Still River valley. Danbury sits inland and slightly higher than coastal Fairfield County towns, which means colder nights and earlier frosts. Door frames in older downtown multi-families swell, and deadbolts bind so hard that keypad retrofits fail unless the strike is realigned first.
- Corroded mortise cylinders on White and Elm Street cottages. Salt air carried inland from Long Island Sound pits and seizes original pin-and-tumbler stacks in late-1800s worker housing. These locks often cannot be opened non-destructively without first lubricating and rekeying the cylinder.
- Stripped Kwikset deadbolts in high-turnover rentals. Cheap cylindrical deadbolts get worn by repeated key duplication. When a key breaks off in the cylinder on move-in day, the property manager calls us to extract the key and either rekey or replace the hardware.
- Mismatched hardware after a partial upgrade. A landlord replaces one unit’s lock with a new Schlage deadbolt but leaves the entry door on an old mortise system. We align the building’s key control so one master key still works and individual units stay separate.
Pricing for Lock Installation & Rekey in Danbury, CT
In the Danbury market, a standard residential lock installation typically runs $110 to $210 per entry set, including a new deadbolt and strike alignment on a prepped door. Rekeying a single cylinder runs $20 to $40 per cylinder, with most Danbury homes needing two to four cylinders rekeyed, putting the typical total between $60 and $160. Smart lock or keypad installation runs $150 to $350 per opening, depending on whether the door needs strike realignment or additional prep for the older downtown frames. Biometric hardware starts higher, around $250 to $450 per opening. High-security cylinders from Mul-T-Lock or Medeco run $100 to $175 per cylinder. Our dispatcher quotes a firm price on the phone before anyone is sent to you. There is no call-out surcharge added on arrival. That price is the price on your invoice.
We Also Serve Cities Near Danbury

Our Lock Installation & Rekey team works throughout Danbury and nearby Trumbull, Shelton, Fairfield, and Norwalk. Dispatch to Danbury is coordinated from our metro office, with technicians running calls across the city every day. If you manage property in multiple nearby towns, one call covers all of them.
Serving Danbury, CT - Our Local Coverage Area
We’re based in the Danbury 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 Danbury

In Danbury’s downtown multi-families, landlords commonly rekey units three to four times per year due to tenant turnover. The city’s dense rental market and mobile workforce drive that volume. We recommend rekeying between every tenant and after any key is lost or copied beyond your control. Call (331) 310-8471 for a firm rekey quote per cylinder.
Not always. We can often keep the original mortise body intact and retrofit a modern deadbolt or keypad above it, preserving the old hardware for the landlord’s master key system. On Elm Street, we converted an original mortise lock with a frozen pin-and-tumbler cylinder to a Schlage bump-resistant deadbolt while leaving the mortise body in place. We tell you what the door can take before we quote the work.
Danbury’s inland valley location and higher elevation create colder winters and more severe freeze-thaw cycles than coastal towns. Wooden door frames in older downtown buildings swell and contract through January and February, binding deadbolts and throwing strikes out of alignment. The Still River valley traps cold air, which makes lock-freeze calls more common here than in Bridgeport or Norwalk. Realigning the strike and lubricating the cylinder usually resolves it.
Usually, yes. We extract the broken key with a spiral extractor and rekey the cylinder without drilling the lock. Drilling is a last resort, and we tell you before we do it. On move-in day in a downtown triple-decker, that is the difference between a $40 cylinder rekey and a $200 lock replacement. Call (331) 310-8471 and the dispatcher will quote the extraction and rekey in writing before we leave the office.
For Danbury’s older downtown doors, we recommend bump-resistant cylindrical deadbolts from Schlage or Baldwin with stainless steel strikes and marine-grade lubricant. For high-turnover rentals, a keypad lock from Yale eliminates key duplication entirely and holds up well when the strike is properly aligned. High-security cylinders from Mul-T-Lock resist the corrosion we see on White and Elm Street and the picking attempts common in dense rental areas. We fit what survives, not what looks good on a shelf.
Written by Daniel Novak, Owner at Novak Lock & Security, providing lock installation, rekeying, and smart lock retrofit services across Danbury since 2002.
Contact Novak Lock & Security in Danbury
For lock installation, rekeying, smart lock retrofit, or emergency service in Danbury, call (331) 310-8471. You will speak to a live person, get a firm price in writing, and know exactly who is coming to your door. Background-checked, uniformed technicians. Documented photo record on every visit. The 365-Day Done Right Promise: if it is not done right, we make it right.






