Lock Rekeying & Lock Changes in Westchester, NY
Fast, Reliable, Same-Day Service At Your Home Or Business
Call Now: (914) 999-5850
Same-Day & Emergency Availability
- New Homeowners
- Tenant Turnover
- Lost Keys
- Security Upgrades
Why Homeowners & Landlords Choose Alliance
Locked out? Need urgent help? Our team handles emergency situations every single day.
- Serving Westchester Since 2003
- Licensed & Insured Locksmith Professionals
- Upfront Pricing — No Hidden Fees
- Fast ETA Times Across the Entire County
- Thousands of Successful Rekey & Lock Change Jobs Completed
- We Work With All Major Lock Brands (Schlage, Kwikset, Yale, Baldwin, Mul-T-Lock)
Rekeying appointments are usually completed in under an hour.
What We Can Rekey or Replace
If your goal is better security, one-key access, or changing who can enter, we handle it.
- Front doors
- Back doors
- Deadbolts
- Smart locks
- Mailbox locks
- Interior doors
- Rental / tenant units
- Multi-family properties
- Office suites & commercial buildings
Reliable Service Across Westchester
Local Residential & Commercial Service You Can Count On
Yonkers, White Plains, Mount Vernon, Scarsdale, Bronxville, Tarrytown, Dobbs Ferry, Mamaroneck, New Rochelle, Rye, Port Chester, Ossining, Peekskill, Yorktown, Bedford, Armonk, Pleasantville, and all surrounding areas.
New Homeowners — Start Fresh With Full Control Over Your Security
If you’ve just closed on a home:
- Realtors, previous owners, and contractors may still have copies
- Rekeying restores total control
- We can key all your doors alike for convenience
- Ask about deadbolt upgrades for additional security
We help new homeowners secure their home the same day they move in.
Landlords & Property Managers — Tenant Turnover Made Easy
If you need a property ready for a new Tennant
- Fast turnover
- Key tracking
- Master key systems
- Rekeying between tenants
- Commercial accounts available
Fast response. Reliable service. Minimal downtime.
Ready to Rekey Your Locks Today?
Fast service. Trusted technicians. Transparent pricing.
White Plains • Yonkers • New Rochelle • Mount Vernon • Scarsdale • Tarrytown • Rye • Harrison • Elmsford • Ossining • Dobbs Ferry • Mamaroneck • Pelham • Port Chester • Sleepy Hollow • Irvington • Yorktown Heights • Somers • Briarcliff Manor • Eastchester
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If you’re in Westchester, we can get to you quickly.
CALL (914) 769-8181 TO SCHEDULE SERVICE
When a Full Lock Change Is Better than Rekeying
A full lock replacement is recommended if:
- The existing lock is damaged
- The lock hardware is extremely old
- You're ready to upgrade to a higher-security lock
- You want keyless or smart-entry options
We carry standard and high-security hardware for residential & commercial properties.
How long does rekeying take?
Most jobs take 20–45 minutes, depending on how many locks you need rekeyed.
Is rekeying safer than changing the lock?
Yes—rekeying changes the key access without replacing hardware. It’s a cost-effective security reset.
Can you make all my doors use one single key?
Yes. We can rekey multiple locks to match one key, as long as the hardware is compatible.
Do you offer emergency rekeying?
Absolutely. Same-day and emergency service is available 7 days a week.
Do you service apartments and multi-family buildings?
Yes. We work with landlords, HOAs, and property managers across Westchester.
Secure Your Home or Rental Today — Call (914) 999-5850
Same-day rekeying, lock changes, and security upgrades throughout Westchester County.





