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 Commercial Locksmith Across Sunnyvale
Commercial locksmith work in Sunnyvale rarely looks like it does in other Bay Area cities. Most calls here split into two very different jobs: electronic credential systems on tech campuses along Mathilda Avenue and Java Drive, and older mechanical hardware on 1950s and 1960s ranch properties in Lakewood, Borregas, and Cherry Chase. We staff technicians who handle both on the same route. If you need a Commercial Locksmith who can program an HID reader at 8 a.m. and rebuild a corroded Kwikset deadbolt on a Borregas workshop by noon, call us at (910) 714-4287. We answer live, 24 hours a day, and we’ll give you a written price before anyone is dispatched.
Why Dunmore Locksmith Is Sunnyvale’s Preferred Commercial Locksmith Company
Sunnyvale customers tend to ask harder questions than most. They want to know whether the tech we’ll send can actually complete the job before we arrive, because on a tech-campus call, a tech who only knows mechanical locks stalls the entire ticket. We tell you the technician’s name and photo before the visit, and that technician arrives in a clean marked uniform with a photo ID badge at the door. That’s the Threshold Standard, and it’s why our Commercial Locksmith team has earned repeat work from property managers and homeowners throughout Sunnyvale.
Led by Perry Osgood, Dunmore operates under the Threshold Group umbrella, which has served customers since 2007. Every job we complete carries a written 365-Day Done Right Promise: if the repair fails within a full year, we return and make it right at no charge. We don’t ask you to trust a vague satisfaction pledge. We put the guarantee on paper and hand it to you with the invoice.
Response time depends on where in Sunnyvale the call comes from. From the San Francisco Bay Area dispatch office, our crews typically reach commercial properties near downtown and the Caltrain station fastest, with Borregas, Lakewood, and Cherry Chase addresses following close behind. We quote the full price on the phone before anyone is dispatched, and that is the price on the invoice.
Replace Commercial Door Lock in Sunnyvale
Replace Commercial Door Lock work in Sunnyvale usually means one of two things: swapping a failing mechanical deadbolt on an older ranch home or small office, or upgrading a commercial storefront entry to ANSI Grade 1 hardware. Both share the same goal: a door that closes securely, opens smoothly, and doesn’t fight you at 9 p.m. because bay fog has been corroding the cylinder for three winters. A straightforward commercial deadbolt replacement in Sunnyvale typically runs $120 – $240, including the hardware and labor. Replacing a mortise lock on a storefront door runs higher, generally $280 – $475, because the lock body sits inside the door rather than on its face.
Commercial Grade Deadbolts
On commercial doors we almost always recommend ANSI Grade 1 deadbolts from Schlage or Medeco. These are built for thousands of open-close cycles and resist the marine-layer corrosion we see on north- and west-facing exterior doors across Sunnyvale. The price includes removing the old bolt, adjusting the strike plate, and testing the throw.
Storefront Mortise Locks
Older storefronts near downtown Sunnyvale frequently still run original aluminum-door mortise locks that are 30 – 40 years old. When the latch no longer retracts fully, a replacement is usually cheaper than repeated repair calls. We stock common mortise bodies and cylinders locally, so most storefront replacements finish the same day.
Panic Bar Installation in Sunnyvale
Panic Bar Installation in Sunnyvale comes up most often in two settings: small office buildings along the tech corridors that must meet fire code for exit doors, and retail storefronts near El Camino Real where a rear exit door needs a crash bar. A basic rim panic bar installation runs $350 – $550 per door, including the bar, labor, and adjusting the latch to seat cleanly. Adding an exterior keypad or fob reader for controlled entry while keeping the panic function intact pushes the job to $700 – $1,100 per door.
Code Compliant Exit Hardware
Sunnyvale commercial properties fall under California fire code, and a panic bar must open with a single push, no twisting or pinching. We install rim and vertical rod panic devices that meet those requirements, and we’ll tell you plainly if your existing door needs a closer or hinge adjustment to bring the full assembly into compliance.
Panic Bar with Electronic Entry
Many Sunnyvale offices want a panic bar on the inside but restricted entry on the outside. We pair the crash bar with a keypad, fob reader, or HID-compatible credential system so staff can exit freely while the door stays locked to the street. This is common on rear server-room doors along Java Drive, where the panic function is non-negotiable but the exterior must stay secured.
Trusted Brands We Service in Sunnyvale
We service and install the hardware Sunnyvale buildings actually run: Schlage and Kwikset on the residential and light-commercial side, Medeco and Yale on higher-security commercial doors, plus Mul-T-Lock and Sargent where restricted keyways are required. Because we work the full range from mid-century ranch hardware to contemporary access control, we keep a deeper local parts inventory than a generalist locksmith. That means less waiting for a Sunnyvale customer who needs a replacement cylinder or panic bar component the same day. When the hardware is factory-authorized and the tech knows the line, the job goes faster.
Common Commercial Locksmith Problems We See in Sunnyvale Homes
- Marine-layer corrosion on north- and west-facing deadbolts. Bay fog pushes in from the northwest and saturates exterior doors on older ranch homes, especially in Lakewood and Cherry Chase. Cylinders stiffen, keys get hard to turn, and eventually the tailpiece breaks. This is a corrosion problem, not a freeze problem, and it responds to cleaning, lubricating, and often replacing the cylinder rather than drilling the lock.
- Mismatched hardware between the main house and outbuildings. Deep-lot properties in Borregas and Cherry Chase often have a detached workshop, a rear gate, and a garage that were never rekeyed onto one key. The owner carries three separate keys and has had three separate service calls over the years. We solve this with a master key system in one visit.
- Perimeter card readers over high-security mechanical cores. On Mathilda Avenue and Java Drive campuses, the building perimeter runs HID or Lenel readers while interior server rooms and R&D spaces still use Medeco or Mul-T-Lock restricted-keyway cylinders. A tech sent out for door hardware needs to handle both, or the call stalls at the second door.
- High turnover driving frequent credential changes. Tech tenants in Sunnyvale turn over engineering staff quickly. When a building uses electronic access control, reissuing credentials is quick. When it uses mechanical keys, the only secure fix is rekeying. We help Sunnyvale property managers decide which doors belong on electronics and which should stay on restricted mechanical cores, so turnover doesn’t force a whole-building rekey every few months.
Pricing for Commercial Locksmith in Sunnyvale, CA
Commercial locksmith pricing in Sunnyvale is honest mid-range for the Bay Area. A standard commercial lock replacement runs $120 – $240. Rekeying a commercial lever or deadbolt to new keys costs $25 – $45 per cylinder, with most office suites taking five to twelve cylinders. Master key system setup for a Sunnyvale property with a main building plus a workshop and rear gate typically starts around $450 – $650 including the initial cylinders. Panic bar installation runs $350 – $550 per door, and adding electronic credential readers starts around $700 per opening. The price we quote on the phone is the price on the invoice. No separate call-out fee gets added when the tech arrives. Call (910) 714-4287 for a free estimate.
We Also Serve Cities Near Sunnyvale
While this page focuses on Sunnyvale, our commercial locksmith services extend to Mountain View, Santa Clara, Cupertino, and Los Altos. The same written pricing, the same 365-Day Done Right Promise, and the same background-checked technicians cover the whole corridor.
Serving Sunnyvale, CA - Our Local Coverage Area
We’re based in the Sunnyvale 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 About Commercial Locksmith in Sunnyvale
Yes, in most cases we can. A master key system lets your facility manager or property owner carry one key that opens everything, while employees or tenants carry keys that open only the doors they need. We’ll survey the perimeter readers, interior mechanical cores, and any outbuildings during the initial visit, then cut and install the system on site. Most Sunnyvale properties close this in one morning. Call (910) 714-4287 and we’ll scope it over the phone first.
Usually yes, if the cylinders are still mechanically sound. We rekey the existing Kwikset cylinders so your old keys no longer work, then cut new keys that also operate the house and any other doors you want on one system. If the original deadbolts are already failing from 50-plus years of marine-layer exposure, we’ll tell you honestly and recommend replacement with ANSI Grade 1 hardware. The phone estimate covers both possibilities, so you’ll know the full range before we drive out.
The issue is bay fog, not ice. Sunnyvale’s marine layer pushes in from the northwest and keeps north- and west-facing doors damp through much of the year. Over time that moisture corrodes the cylinder pins and the tailpiece, which is why your key turns hard or the deadbolt throw feels gritty. We clean and lubricate first, and if the cylinder is too far gone, we replace it rather than drilling the door. Non-destructive entry keeps the hardware intact and the repair bill lower.
Yes. We install rim panic bars with exterior keypads, fob readers, or HID credential readers on the same door. The panic bar keeps the inside compliant with fire code; the reader keeps the outside controlled. This pairing is common on Sunnyvale office buildings where rear doors open onto parking lots or service areas. Installation runs $700 – $1,100 per opening, depending on the reader system and the door condition.
If the building uses electronic access control, yes, in fact, that’s the whole point of electronics. We can delete the departing tenant’s fobs or cards from the system and add the new ones without touching any lock body. If certain doors still use mechanical keys, those cylinders need rekeying to invalidate the old keys. We’ll walk you through which doors can stay on electronics and which need physical rekeying, so you’re not paying to rekey an entire building every time a lease changes hands.
Written by Perry Osgood, Owner at Dunmore Locksmith, serving Sunnyvale through the Threshold Group since 2007.






