Lock Installation & Rekey in Somerville - Flat Per-Lock Price, Quoted on the Phone

Fast, Reliable Lock Installation & Rekey Across Somerville

Lock installation and rekey in Somerville means working on triple-deckers that were built before any lock standard we use today existed. Most calls we run in Somerville involve three-cylinder jobs in one building: a shared vestibule mortise lock plus two or three unit doors, often on original wood frames that have been painted over for a century. We know which streets in Winter Hill and East Somerville still carry 1920s rim-cylinder mortise locks, and we carry the parts to service them. If you need a landlord rekey before a lease turn, a smart lock retrofit on a swollen door frame, or a restricted key system that cannot be copied at a kiosk, call Novak Lock & Security at (331) 310-8471. We quote a firm price on the phone, in writing, before anyone is dispatched. That price is the price on the invoice. No adjustment at the door, ever. Daniel Novak set that rule in 2002, and every technician who works in Somerville under The Haven Standard is contractually bound to it.

Why Novak Lock & Security Handles Somerville’s Lock Installation & Rekey Work

Somerville’s housing stock punishes generic locksmith work. The city is dominated by triple-decker three-family homes built between roughly 1885 and 1930, most still fitted with original or early-replacement mortise locksets inside heavy wood door frames that have been painted, swollen, and settled for a century. In neighborhoods like Magoun Square, East Somerville, and Winter Hill, a single landlord call often becomes a three-cylinder job rather than a single-door call. Sourcing parts for antique mortise hardware is a practical specialty here, not an upsell. We keep Yale and Baldwin mortise cylinders and faceplates in our Boston-stocked service vehicles that run Somerville routes daily, plus restricted blanks for Medeco and Mul-T-Lock systems. Background-checked, uniformed technicians leave a documented photo record after every visit, including the condition of the existing hardware and the work performed. We are independently owned and operated, and Daniel Novak’s name is on every invoice.

Lock Installation & Rekey Services in Somerville

Our Lock Installation & Rekey team handles everything from a single deadbolt swap on Summer Street to full master-key builds across a three-unit Davis Square triple-decker. Here is what most Somerville homeowners and landlords call us for.

Smart Lock Installation

Smart lock retrofits on Somerville’s swollen, non-standard triple-decker doors are where we see the most botched DIY jobs. A smart lock bolted onto a door whose bolt throw is a quarter-inch out of alignment will drain batteries in weeks and lock tenants out. We measure the strike alignment, correct the mortise prep, and install the smart lock so the bolt travels clean. For landlords who want app-based access without giving tenants physical keys to lose before September 1st, we recommend and install smart locks with audit trails so every entry is time-stamped. In Somerville, where three units share one vestibule, the smart lock on the shared entrance matters as much as the unit doors.

Keyless Entry

Keyless entry works well for Somerville’s high-turnover rental units because codes can be deleted without touching a cylinder. A landlord in East Somerville who re-keys every August can instead wipe a tenant code in thirty seconds on move-out day. We install keypad deadbolts and lever sets on unit doors, and keyless entry systems on shared vestibules. For a three-family in Winter Hill, we typically recommend a keyless system on the vestibule plus either keyed or keypad locks on the unit doors, depending on whether the landlord wants a mechanical backup. The job is priced per lock, in writing, before we start.

Keypad Lock

Keypad locks on Somerville doors need to survive freeze-thaw cycles and salt-heavy winter foot traffic. The road salt and sand tracked into shared vestibules accelerate corrosion on exposed keypad contacts and strike hardware. We install keypad locks with sealed electronics and recommend models rated for exterior exposure, especially on vestibule doors that sit open for minutes during move-in. For unit doors inside a heated hallway, the simpler keypad deadbolts work fine. Every keypad lock we install in Somerville is programmed on site, tested with the customer, and documented with a photo record before we leave.

Biometric Lock

Biometric locks make sense in Somerville for a specific subset: owner-occupied condos in converted triple-deckers where the owner wants no key to lose and no code to share. We install biometric deadbolts from brands whose fingerprint readers hold up to cold New England winters. The honest caveat: a biometric lock on a drafty vestibule door that freezes in January will be slower to read cold fingers, and that is not a defect - it is physics. For most Somerville landlords, we recommend a keypad or restricted-key system instead of biometrics for tenant doors. For the right condo in Prospect Hill, a biometric deadbolt with a mechanical key override is a reasonable choice.

Trusted Brands We Service in Somerville

We are factory-authorized for Medeco, Mul-T-Lock, Abloy, Baldwin, and Schlage. Somerville’s triple-deckers still carry a lot of original Yale mortise hardware, and we stock those cylinders and faceplates locally for same-week turnarounds without special order. For landlords converting from a worn master-key system to restricted key control, we cut Medeco or Mul-T-Lock blanks in our Boston shop and deliver to Somerville addresses the same day. If you lost a restricted Mul-T-Lock key during a September move-in, do not waste time at a kiosk - those blanks cannot be duplicated there, by design. Call us; we hold the key control records and can cut replacements under your card.

Common Lock Installation & Rekey Problems We See in Somerville Homes

• Freeze-thaw frame swell jamming deadbolts. Somerville’s repeated freeze-thaw cycles each winter cause the old-growth softwood door frames of triple-deckers to swell and shift, routinely jamming deadbolts against misaligned strike plates. We commonly get simultaneous calls from all three floors of the same building in a single cold snap, and the fix is usually a strike plate adjustment plus a new deadbolt, not a new door.
• Cheap knob sets stripped over century-old mortise prep. Landlords install inexpensive Kwikset knobs over original mortise preps, and the short screws strip out of the old wood within a year. The door ends up unsecured in a shared vestibule with heavy foot traffic. We re-pin or replace the mortise cylinder and use through-bolts where the frame allows, restoring the door to something that actually latches.
• Lost restricted key blanks during move-in chaos. Restricted key blanks for Medeco or Mul-T-Lock high-security cylinders get lost in the September 1st scramble, and kiosk duplication is impossible because only a licensed dealer can cut those blanks under key control. We handle emergency duplicate cuts for Somerville building owners who are recorded as the key system’s owner.
• Smart lock bolt misalignment on non-standard triple-decker doors. A smart lock installed on a door whose mortise prep was bored for a 1920s mortise lock body frequently has a bolt throw that binds. The lock drains its batteries in a month and the tenant gets locked out with a dead phone. We correct the prep, shim the strike, and test the bolt throw through fifty cycles before we leave.

Pricing for Lock Installation & Rekey in Somerville, MA

Lock Installation & Rekey in Somerville and Nearby Cities

We serve the full Somerville area including Winter Hill, East Somerville, Davis Square, Magoun Square, and the streets around Prospect Hill. Our Somerville crews also cover Cambridge, Medford, Boston, and Everett on the same day for most lock installation and rekey jobs. Dispatch and scheduling for Somerville are coordinated from our Boston office, but the technicians who arrive at your door work Somerville routes every day.

FAQs - Lock Installation & Rekey in Somerville

Can I rekey all three units of my Somerville triple-decker to one master key, but keep each tenant key different?

Yes. That is the standard landlord configuration we build for Somerville triple-deckers: one master key that operates the shared vestibule and all unit doors, plus individual tenant keys that only operate their own unit. We re-pin each cylinder to the master key’s shear line and the tenant key’s shear line. The job takes about two to three hours for a three-unit building and runs $180 to $340. Call (331) 310-8471 to get a written quote for your specific cylinder count.

My deadbolt keeps sticking after winter. Is that just the cold, or do I need a new lock?

In Somerville, it is usually the frame, not the lock. The old softwood door frames on triple-deckers swell during freeze-thaw cycles, shifting the strike plate out of alignment with the deadbolt throw. We adjust the strike plate first. If the deadbolt itself is worn, we replace it. A sticking deadbolt is the most common winter lock call in Somerville, and the fix is typically under $100. Call (331) 310-8471 and describe the door; we can usually diagnose it over the phone.

Can you install a smart lock on a 100-year-old triple-decker door without wrecking the original mortise hardware?

Yes, if the original mortise hardware is intact, we install a smart lock that replaces the thumbturn on the interior side while keeping the original cylinder and trim on the exterior. That preserves the building’s original hardware and gives you app-based access. If the mortise body is beyond repair, we install a conversion plate that covers the mortise pocket and mounts a modern deadbolt above it. The choice depends on the condition of the door, which we assess on site before any work begins. Call (331) 310-8471 for a written quote.

I have a restricted high-security key (Medeco or Mul-T-Lock) for my condo. Where can I get duplicates in Somerville?

You cannot get them at a kiosk or hardware store. Restricted key blanks are only sold to authorized dealers under key control, and we are factory-authorized for both Medeco and Mul-T-Lock. Bring your key control card or have the building owner authorize the duplicate in writing. We cut replacement keys the same day in our Boston shop and deliver to Somerville addresses. Call (331) 310-8471 to confirm we hold the blank for your system.

My tenant lost their key the day before September 1st. Can you rekey that unit on the same day?

Yes. Late August is the single busiest week of the year for locksmiths in Somerville, and we pre-book appointment slots with landlord clients months in advance for exactly this reason. If you are an existing Somerville landlord client, we hold your cylinder keyway and key control records on file, which speeds the rekey considerably. Last August, a Winter Hill landlord called us at 7 a.m. because a tenant’s key broke in a 1920s mortise cylinder on the second floor, leaving the deadbolt engaged. Our tech used non-destructive entry to extract the broken key, then rekeyed all three units to a new Medeco restricted key system with one master key for the vestibule, done in three hours, with appointment slots for that same building pre-booked through 2026. Call (331) 310-8471 now if you are inside the August crunch window.

Call Novak Lock & Security for Lock Installation & Rekey in Somerville

If you own or manage a Somerville triple-decker, a condo in a converted Victorian, or any door with hardware older than your grandparents, call us before the next lease turn or the next cold snap. We quote a firm price on the phone. That price is written down before dispatch and it matches the invoice exactly, every time. Daniel Novak built the company on that single rule in 2002 and it has not changed. Every job includes a documented photo record, and every lock installation and rekey is backed by the 365-Day Done Right Promise. If it is not done right, we make it right. For a free written estimate on lock installation, rekey, or restricted key systems in Somerville, call (331) 310-8471. A live person answers, 24/7.

Written by Daniel Novak, Owner at Novak Lock & Security, serving Somerville with documented, written-price lock installation and rekey work under The Haven Standard since 2002.