Professional Lock Change & Security Upgrades
Protect your home and family with professional lock change and security upgrade services. Whether you've just moved in, experienced a break-in, or want to modernize your home security, our licensed technicians deliver expert lock replacement, deadbolt upgrades, and comprehensive security assessments. From traditional hardware to cutting-edge smart locks, we provide tailored solutions that give you peace of mind.
Home Security Challenges We Solve
From new homeowners to security-conscious families, we provide comprehensive lock change and security upgrade solutions tailored to your needs.
Just Moved Into a New Home
Complete lock change so previous owners' keys no longer work — secure your new home immediately
Old, Worn-Out Locks
Replace aging hardware with new Grade 1 deadbolts and high-security lock systems
Recent Break-In Attempt
Security upgrade with reinforced strike plates, new locks, and hardened door hardware
Want Smart Lock Technology
Professional smart lock installation with full setup, programming, and training
Multiple Keys for Different Doors
Key all locks alike — one convenient key for every door in your home
Concerned About Home Security
Comprehensive security audit with prioritized upgrade recommendations
Complete Lock Change & Security Solutions
Professional services to upgrade and protect your home
Complete Lock Change
Full replacement of your existing locks with new, high-quality hardware. We remove old or compromised locks and install new deadbolts, knob locks, and entry sets from trusted brands. Perfect for new homeowners, after a security incident, or when upgrading outdated hardware.
- All lock brands
- Same-day service
- Exterior door specialists
- Hardware included
Deadbolt Installation & Upgrade
Install or upgrade to Grade 1 deadbolts — the highest security rating for residential locks. We offer single-cylinder, double-cylinder, and keyless deadbolt options. Proper installation ensures perfect alignment and maximum resistance against forced entry attempts.
- Grade 1 deadbolts
- Single & double cylinder
- Proper alignment
- Kick-in resistance
Strike Plate Reinforcement
The strike plate is your door's weakest point during a kick-in attempt. We install reinforced strike plates with 3-inch screws that anchor deep into the door frame, dramatically increasing resistance against forced entry. A critical upgrade for home security.
- Reinforced plates
- 3-inch frame screws
- Kick-in protection
- Door frame hardening
Smart Lock Upgrade
Upgrade to modern smart locks from Yale, Schlage, August, and Kwikset. Control access remotely, create temporary guest codes, receive entry notifications, and integrate with your home automation. Complete installation with programming and tutorial included.
- Yale & Schlage
- August & Kwikset
- Remote access setup
- Full programming & training
High-Security Lock Installation
Install high-security locks from Medeco, Mul-T-Lock, and Schlage Primus. These restricted-keyway systems offer superior protection against picking, drilling, bumping, and unauthorized key duplication. Keys can only be copied with proper authorization.
- Medeco & Mul-T-Lock
- Restricted keyway
- Pick & drill resistant
- Authorized duplication only
Home Security Audit
Comprehensive assessment of your home's security vulnerabilities. We inspect all entry points, evaluate lock quality, check door frame strength, and identify weak spots. You receive a prioritized upgrade plan with recommendations tailored to your budget and risk profile.
- Full property inspection
- Vulnerability report
- Prioritized upgrade plan
- Free with any service
Our Lock Change & Security Work
Deadbolt installations, high-security lock upgrades, and smart lock installations — professional hardware, properly fitted.
Lock Removal & Prep
Clean removal of old hardware
Smart Lock Upgrade
Modern keypad and smart lock installation
Precision Installation
Professional templates for perfect fit
Rekey After Change
Fresh pins and new keys
Hardware Upgrade
New deadbolt and handle installation
Commercial Lock Change
Deadbolt and lever replacement
Need a professional locksmith right now?
Call 916-999-5505Why Sacramento Trusts ZM Locksmith
Licensed & Bonded
CA licensed, $1M liability insurance for your protection
Fast Response
20-minute average response time across Sacramento
Same-Day Service
Most services completed in one visit, today
Satisfaction Guaranteed
30-day warranty on all workmanship and parts
Lock Change & Security Upgrade FAQs
We provide automotive locksmith and more across the Greater Sacramento region. Whether you're in Sacramento, Elk Grove, or Roseville, our mobile technicians arrive fast. Explore our other services including Automotive Locksmith and Residential Locksmith.
Service Areas We Cover
Secure Your Home Today
Professional lock change and security upgrade services. Call now for a free quote and same-day service!