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 estimateFast, Reliable Emergency Locksmith Across Marlow Heights
Locked out at midnight on Branch Avenue? A key snapped in your deadbolt off St. Barnabas Road? Coral Locksmith handles urgent lock situations across Marlow Heights 24/7, with a focus on getting you back inside without wrecking your door or lock. We know the garden apartments, the 1960s ramblers, and the strip-mall offices here better than any out-of-town dispatch service. Call (855) 382-1343 now and talk to a real locksmith, not a call center.
Why Coral Locksmith Is Marlow Heights’s Preferred Emergency Locksmith Company
Marlow Heights is a specific kind of place to do locksmith work. Most of the housing stock here was built between the late 1940s and 1970s, which means we’re often working on original mortise locksets, worn cylinder deadbolts on steel-clad apartment doors, and builder-grade knob sets from the Johnson administration. That’s not a problem for us; it’s just what we see every week. Our techs walk onto each job knowing they’ll likely encounter hardware that predates modern retrofits, and they carry the parts and tools for it.
Our Emergency Locksmith team understands the master-keyed apartment complexes off St. Barnabas Road like few others. When a tenant locks themselves out of a unit, we check the property’s existing keying system first, because forcing entry on a master-keyed door without that knowledge can damage the lock and knock the entire floor’s keying out of alignment. Learning to work with and around those suites took years of field time in Prince George’s County, not a weekend seminar.
We serve all of Marlow Heights and the 20748 ZIP code, from the townhomes near Iverson Mall down to the apartment clusters near the Branch Avenue corridor. Russell Tapp, who leads our team, has spent years in this trade and treats every call as a security problem to solve correctly, not just a door to open.
Styles & brands we work with







Our Emergency Locksmith Services in Marlow Heights
24/7 Emergency Lockout
That sinking feeling when the door clicks shut and your keys are on the kitchen counter? We handle it all the time in Marlow Heights, and we get there ready to open your door correctly. Non-destructive entry is our default, not our upsell. Whether you’re outside a garden apartment on Keith Street or a split-level near the high school, we approach the lock with opening techniques first and drilling only as a last resort. Call (855) 382-1343 and describe what you see; our tech will tell you honestly what’s likely to work before anything is touched.

Broken Key Extraction
In Marlow Heights’s older locks, keys snap most often when the cylinder is gummed up from decades of use, or when the key was already bent and someone forced the turn. Our broken key extraction process removes the broken piece without drilling the cylinder unless the lock is already beyond saving. We see this constantly on original mortise locksets in houses built in the 1950s and 60s, where the cylinder itself is fine and just needs a proper cleanout after the extraction.

Safe Opening
If you’ve got a document safe or gun safe in a Marlow Heights home or office and you’ve lost the combination or the dial has seized, we can open it. Most safes in this area are residential-grade units from big-box stores or older office safes that came with commercial properties on Branch Avenue. Our approach begins with manipulation and bypass methods before any drilling, which keeps your safe usable afterward. The full price is quoted on the phone before anyone is dispatched.

Eviction Lock Change
Landlords and property managers across Marlow Heights use our eviction lock change service because we know the rental landscape. Many apartment complexes near St. Barnabas Road operate on master-keyed systems, and cutting out a departed tenant while preserving the property’s master suite is not the same as swapping a knob on a detached house. We also handle the residential ramblers that landlords rent out, where the requirement is simple: new keys, no old key access, done quickly and documented.

What happens when you call
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A real person answersNo phone trees — you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Marlow Heights
We’re certified to work on eight major lock manufacturers, including Schlage, Mul-T-Lock, Sargent, and Abloy. In Marlow Heights specifically, we regularly service the Schlage deadbolts that dominate the 1960s and 1970s housing stock and the Sargent mortise locksets still running on commercial doors along Branch Avenue. For security-focused customers, we install and service Mul-T-Lock and Abloy hardware that no big-box store will touch. We carry a running stock of common parts for the locks we encounter in 20748, so a broken cylinder or worn tailpiece doesn’t turn into a two-day parts wait.
Common Emergency Locksmith Problems We See in Marlow Heights Homes
- Builder’s-key vulnerability. If you bought a home in Marlow Heights and never rekeyed it, the builder’s original key may still open your door. Builders commonly used one key for all their houses in a development; anyone with that key, from a former contractor to a neighbor from ten years ago, could still gain entry. Our field vignette: we were called to a split-level on St. Barnabas Road where the new homeowner discovered the builder’s key still worked on the back door. Our tech rekeyed the existing Schlage deadbolt and replaced the worn knob set with a bump-resistant ANSI Grade 1 cylinder, and the homeowner now has full key control.
- Mid-Atlantic freeze-thaw jams. Winter ice and road grit get into exterior deadbolts and freeze older mortise mechanisms in Marlow Heights. A key that turns fine all summer suddenly grinds to a stop in February. We carry de-icing and lubricant treatments that resolve most freeze-thaw jams without drilling.
- Humidity-struck wooden doors. July humidity in 20748 swells wooden door slabs enough that strike plates misalign and keys bind in the cylinder. The lock isn’t broken; the door has moved. We realign the strike and the lock works again. Drilling a lock in that situation would be a wasteful mistake.
- Master-key system complications. In the garden-apartment clusters off St. Barnabas Road, a lockout in one unit often means working around the property-wide master-key suite. We know to check the building’s keying system before making changes, because replacing the wrong cylinder can disrupt key control for the whole property.
Pricing for Emergency Locksmith in Marlow Heights, MD
A typical house lockout in Marlow Heights runs $85 to $160 during daylight hours. Broken key extraction from a standard cylinder deadbolt runs $95 to $180, and safe opening ranges from $180 to $400 depending on the safe’s type and lock mechanism. Eviction lock changes run $95 to $250 for a single door, plus the cost of the hardware if you’re upgrading. After-hours calls, which we answer every day of the year, add a modest night-rate surcharge above those ranges. The total price is quoted on the phone before we dispatch anyone, and that’s the number on your invoice. No added arrival fees, no surprise upcharges. Call (855) 382-1343 for an exact quote on your specific situation; estimates are free.
We Also Serve Cities Near Marlow Heights
Our coverage extends across the nearby communities of Hillcrest Heights, Temple Hills, Silver Hill, and Fort Washington. If you’re just over the line in any of those neighbors, the same team and the same honest pricing apply. One call to (855) 382-1343 covers urgent lock help anywhere in this corner of Prince George’s County.
Serving Marlow Heights, MD — Our Local Coverage Area
We’re based in the Marlow Heights 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 – Emergency Locksmith in Marlow Heights
Yes. Master-keyed apartment doors off St. Barnabas Road can absolutely be opened without drilling if the locksmith understands the building’s keying system. Our tech checks the lock’s configuration first, then uses non-destructive bypass methods that preserve the existing master suite. Call (855) 382-1343 and describe your building; we’ll give you a straight answer on what’s involved before anyone arrives.
Rekey it now. In Marlow Heights, builder’s keys from the 1950s through 1970s developments often open multiple homes on the same street, and you have no way of knowing who still holds a copy. A full rekey to a fresh, unique key gives you complete control. We rekey Schlage, Kwikset, and most residential brands in the same visit, and the price is always confirmed on the phone first at (855) 382-1343.
July humidity swells the wooden door slab, which pushes the strike plate out of alignment and makes the key bind in the cylinder. The lock itself is usually fine. We realign the strike plate or adjust the hinges, and the key turns smoothly again. If you call us for this, ask for a strike-alignment check rather than a new lock; most technicians can fix it in about fifteen minutes.
In most cases, yes, especially with the mortise locksets common in Marlow Heights’s older homes. We use extraction tools that pull the broken piece out through the keyway, preserving your cylinder. Drilling is reserved for locks that are already failing or so corroded that the cylinder is unusable. We’ll tell you before we take any destructive step, and the phone quote is the invoice price.
Look for a smart lock that’s compatible with your existing cylinder or that includes a full replacement cylinder, and confirm whether it can integrate with a master-key system if you live in an apartment. In multi-unit buildings, installing a smart lock without checking the existing keying can cause the keypad entry to fail during a lockout. Call (855) 382-1343 and we’ll walk you through what fits your door and your building.
Contact Coral Locksmith in Marlow Heights
Locked out, broken key, eviction, safe that won’t open, or a builder’s key that still works on your back door? We handle it all across Marlow Heights, and we handle it the right way. Call (855) 382-1343 for a free estimate and an honest, upfront price before anyone is dispatched. We answer around the clock, because locks don’t keep business hours.
Written by Russell Tapp, Owner at Coral Locksmith, serving Marlow Heights and Prince George’s County.