Smart locks
House lockouts
Re-keying
Deadbolt upgrades
Schlage
Kwikset
Car keys & fobsNon-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.
Get your free estimateLocksmith in Sunnyvale, TX
Rekey Locks is the service Sunnyvale calls for most, and the reason is simple: this town mixes older homes near the center with large custom acreage properties where gates, shops, and outbuildings outnumber front doors as the first thing a locksmith touches. Stalwart Locksmith has served Sunnyvale since 2018, and our work here leans heavily on rekeying after moves, after tenant changes, and after storm season throws gate hardware out of alignment. Call (877) 626-0257 and we’ll quote the full job before anyone is dispatched.
Why Sunnyvale Homes Are Different
Sunnyvale sits as one of the smallest, most rural-feeling towns inside the Dallas – Fort Worth metroplex: a low-density mix of large-lot custom homes and acreage properties along with a small older town core. That means our jobs are spread out, and they often start at a driveway gate, a detached workshop, or a barn padlock rather than a front door deadbolt.
North Texas heat and expansive clay soils are the quiet force behind a lot of our Sunnyvale work. When the ground shifts through dry summers and wet springs, gate posts tilt, door frames move, and deadbolts that lined up fine in October bind by June. Severe spring hail and wind storms add their own damage: latches get knocked out of alignment, padlocks corrode faster than you’d expect, and keyways fill with grit from long gravel lanes. Homes near the older town center tend to have simpler hardware from the 1970s and 1980s that wears out; the newer custom builds off Collins Road and Barnes Bridge Road often carry higher-grade Schlage or Baldwin sets that need precision rekeying instead of replacement. Either way, Sunnyvale locksmith work is less about density and more about distance, weather, and knowing what the ground does to hardware out here.
Styles & brands we work with







Our Main Sunnyvale Services
Sunnyvale homeowners call Stalwart for two things more than anything else: car key trouble and emergencies that can’t wait. Here’s how each works in this part of town.
Car Key Replacement in Sunnyvale
Long driveways and acreage lots mean a lost or broken car key in Sunnyvale strands you hard; there’s no walking to a corner locksmith from a five-acre property off Collins Road. We cut and program replacement keys, transponder keys, and fobs on site, without a dealership detour. On Sunnyvale properties, we’re often working beside a gate that also needs attention while we’re there. For the full scope of our automotive work, see Car Key Replacement in Sunnyvale.

Emergency Locksmith in Sunnyvale
Lockouts in Sunnyvale happen in the usual places: front doors, garages, and gates. But on acreage, an emergency call often starts with a locked perimeter gate between you and the house, or a padlocked shop door with the only key inside. We handle all of it, and we quote the full price on the phone before we head your way. For urgent access needs, see Emergency Locksmith in Sunnyvale.

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.
Rekey Locks in Sunnyvale
Rekeying in Sunnyvale solves a problem this town’s housing mix creates: when you buy a big-lot custom home or an older house near the town center, you rarely know who still holds a working key. The previous owner, a cleaning crew, a contractor, a neighbor who fed the horses. Rekeying rekeys the lock cylinders so old keys stop working and new keys start, without replacing hardware that’s still solid. It’s the fastest, lowest-cost way to take actual control of a property’s access. Stalwart Locksmith has served Sunnyvale since 2018, and our Rekey Locks work out here always accounts for the same local realities: clay-soil shifting means we check alignment on every cylinder we touch, and acreage properties mean we’re often rekeying gate padlocks, shop locks, and barn hardware in the same visit as the house. Rekey, don’t replace, applies to every lock on the property.
Lock Rekey
Signs you need it
You’ve moved into a new Sunnyvale home, lost track of how many spare keys are floating around, or had a tenant, contractor, or housekeeper leave on uncertain terms.
What it costs in Sunnyvale
Standard lock rekeying in Sunnyvale typically lands between $75 and $160, with most residential jobs finishing on the lower half of that range.
How we do it
We remove each cylinder, swap the internal pins to match a new key, test every lock for smooth operation, and hand you working keys before we leave.
Rekey Service
Signs you need it
You need several locks on the same Sunnyvale property to work from one key, or you need old keys deactivated across multiple doors, gates, and outbuildings at once.
What it costs in Sunnyvale
Full rekey service in Sunnyvale runs $50 to $100 per cylinder, and the job price depends on how many locks you’re resetting.
How we do it
We work lock by lock, rekeying cylinders to match a single new key or a master-key system, and we check each one for the binding and shifting that Sunnyvale’s clay soil causes.
What Rekey Locks Costs in Sunnyvale
| Item | Typical range in Sunnyvale |
|---|---|
| Rekey a standard lock | $75 – $160 |
| Rekey per cylinder | $50 – $100 |
| Keyed alike (multiple locks to one key) | $15 – $25 per additional lock |
How much will rekeying actually cost in Sunnyvale?
Standard lock rekeying runs $75 to $160, with per-cylinder rates between $50 and $100. The number of locks, their condition, and whether gates or outbuildings are included all affect the total. Call (877) 626-0257 for an exact quote, free.
Is the price you quote on the phone the final price?
Yes. We quote the full job on the phone before anyone is dispatched, and no call-out surcharge gets added on arrival. What we quote is what your invoice shows. Call (877) 626-0257 to lock in a number.
Brands We Service in Sunnyvale
Stalwart works across the full hardware tier Sunnyvale homes actually use: Kwikset and Schlage on older town-center houses, Yale on mid-range builds, and Medeco for acreage owners who want restricted-key security on gates and shops. Parts for these brands are stocked on our trucks, so most rekey and repair work finishes in one visit. See our brands for the full roster.
Pricing for Locksmith in Sunnyvale, TX
| Service | Typical range in Sunnyvale |
|---|---|
| Rekey a standard lock | $75 – $160 |
| Rekey per cylinder | $50 – $100 |
| Keyed alike (additional locks) | $15 – $25 per lock |
| Deadbolt installation | $40 – $90 |
| Car key replacement | $5 – $880 depending on vehicle and key type |
| Lockout service | $65 – $120 |
| Home lockout (cheaper end) | $25 – $50 |
| Gate lock service | $50 – $100 per lock |
In Sunnyvale, prices push higher when a job involves multiple outbuildings, long driveway access, or hardware that’s been fighting clay-soil shifting for years and needs realignment before rekeying. Whatever the scope, we quote the full price on the phone before anyone rolls, and that’s the price on the invoice.
Neighborhoods We Serve in Sunnyvale
Sunnyvale is small enough that we cover the whole town in 75182, but jobs cluster differently by area. Near the town center, we do a lot of rekeys on older single-family homes. Off Collins Road and Barnes Bridge Road, the work shifts to larger custom builds, driveway gates, and detached workshops. Acreage properties on the east and south edges of town come with long private lanes and perimeter gates that we service as a matter of routine.
- Town center (older homes near Sunnyvale High School)
- Collins Road corridor
- Barnes Bridge Road area
- East and south acreage lots
- 75182 residential developments
Our response window for Sunnyvale is tightest for emergency calls near the town center, with acreage jobs taking a little longer due to distance and gate access. We always quote the full price before dispatch.
Service Area – Cities Near Sunnyvale
Stalwart Locksmith covers Sunnyvale and the surrounding eastern Dallas County area. We also serve Mesquite, TX, Balch Springs, TX, Forney, TX, and Travis Ranch, TX. If you’re on the edge of Sunnyvale or just across a border road, call (877) 626-0257 and we’ll confirm coverage.
Serving Sunnyvale, TX — 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 Locksmith in Sunnyvale
Emergency calls near the town center get the quickest response; acreage properties east and south take a little longer due to distance and gate access. We quote the full price on the phone before dispatch. Call (877) 626-0257 and we’ll give you a straight answer.
Rekeying locks and replacing standard door hardware does not require a permit in Sunnyvale. Gate work, deadbolt installation, and outbuilding locks are all routine. If a project ever crosses into new construction or structural work, that’s outside a locksmith’s scope and we’ll say so.
Yes, that’s standard for Sunnyvale acreage jobs. We rekey house doors, gate padlocks, shop locks, and barn hardware in the same visit, often keyed alike so one key works everything. Call (877) 626-0257 for a full-property quote.
What happens when you call
- 1A real person answersNo phone trees — talk to a local locksmith pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you — the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Sunnyvale Customers Say
"Told me over the phone that what I needed was a five dollar part from the hardware store, not a locksmith. I called him back a month later for real work because of that."
— Megan Schaefer"Programmed a transponder key for a 2014 model that the dealership wanted an absurd amount for. Same key, fraction of the price, took him twenty minutes in my driveway."
— Heather Anderson"Does good work. Card payment was a bit of a production, so have another option handy."
— Tyrone Coleman