Alert Lock & Key · San Antonio, TX
Residential
Locksmith Services
Keeping San Antonio homeowners safe since 1976. Locked out, need a rekey, or want to upgrade your home security — we're on call 24/7 and always just a phone call away.
Our Services
Everything Your Home Needs
Home Lockouts
Locked out of your house? Our licensed technicians respond fast — day or night — to get you back inside without damaging your door or locks.
- 24/7 emergency response
- Non-destructive entry
- All door & lock types
- Fast arrival times
Lock Rekeying
Moved into a new home, lost a key, or had a break-in? Rekeying changes the internal pins so old keys no longer work — a fast, affordable way to restore security.
- New home rekeying
- Lost key rekeying
- Post-break-in service
- Match existing keys
Lock Installation & Upgrade
Upgrade to high-security deadbolts, smart locks, or reinforced strike plates. We install and service all major brands including Schlage, Kwikset, Medeco, and more.
- Deadbolt installation
- Smart lock setup
- Reinforced strike plates
- High-security upgrades
Home Security Consultation
Not sure how secure your home is? Our experts walk through your property and identify vulnerabilities — from weak door frames to outdated lock hardware — and recommend solutions.
- Door & frame inspection
- Lock grade assessment
- Window lock review
- Written recommendations
Our Work
Protecting San Antonio Homes
Lock Installation
Deadbolts, knobs & smart locks
Rekeying Service
Fast, affordable key changes
Emergency Lockouts
24/7 response, no damage
Why Alert Lock & Key
San Antonio's Trusted Home Locksmith
Since 1976, Alert Lock & Key has been the locksmith San Antonio homeowners call first. Whether it's a 2am lockout or a planned security upgrade, our licensed technicians arrive fast, treat your home with respect, and get the job done right the first time.
- Licensed & bonded since 1976
- Available 24/7 for emergencies
- Non-destructive entry techniques
- All lock brands serviced
- Upfront, honest pricing
- Locally owned & operated
Locked Out? Call Now.
We're available around the clock for home lockouts, rekeying, and security upgrades. One call and we're on our way.
(210) 342-6678Available 24/7 · Bonded & Insured