Professional Key Duplication Service - Massachusetts
Fast | Reliable | Local
Need spare keys for your home or business? Astro Locks provides professional, precision key duplication throughout Greater Boston and the South Shore. Whether you need a single spare house key or multiple copies for your business, we deliver accurate, same-day key cutting service you can trust.
Boston Metro: Call (617) 448-6554
South Shore: Call (617) 359-5625
Same-Day Service · 20+ Years Experience · All Residential & Commercial Keys
Types of Keys We Duplicate
Residential Keys
• Standard house keys
• Deadbolt keys
• Apartment and mailbox keys
• Gate and garage keys
• High-security residential keys (Medeco, Mul-T-Lock, ASSA ABLOY)
• Restricted keyway systems
• Master key system copies
• Sliding door keys
• Window lock keys
Commercial Keys
•
Office and building keys
• Filing cabinet and desk keys
• Storage and warehouse keys
• Gate and padlock keys
• Commercial high-security keys
• Master key system copies
• Restricted commercial keyways
• Exit door and panic bar keys
• Utility and electrical room keys
Specialty Keys
• Antique and vintage keys
• Safe and vault keys
• Bicycle lock keys
• Motorcycle and scooter keys
• Tool box and storage keys
• Locker and cabinet keys
• Custom and specialty blanks
Can't find your key type? Call us - we likely can duplicate it! We carry an extensive selection of key blanks and specialized cutting equipment.

Why Choose Astro Locks for Key Duplication
20+ Years of Professional Service
Since 2003, we've duplicated thousands of keys for Massachusetts homeowners and businesses. Our experience ensures accurate cuts every time.
Precision Key Cutting Equipment
We use state-of-the-art key cutting machines that create precise duplicates. Your new keys will work smoothly - no jamming, no forcing, no frustration.
High-Quality Key Blanks
We use only premium key blanks from trusted manufacturers. Your duplicate keys are built to last, not wear out after a few months.
Same-Day Service
Need keys today? We offer same-day key duplication for most key types. Simply bring in your original key or call for mobile service.
Mobile Key Duplication Available
Can't come to us? We can come to you! Our mobile locksmiths can duplicate keys on-site at your home or business throughout our service area.
Competitive Pricing
Quality key duplication doesn't have to be expensive. Our rates are fair and transparent - no surprise charges.
Licensed & Insured
All our technicians are fully licensed, insured, and experienced with all types of residential and commercial key systems.
We specialize in duplicating high-security keys that many hardware stores cannot copy:
Medeco Keys
Advanced security features with patented keyways. We're authorized to duplicate Medeco keys with proper verification.
Mul-T-Lock Keys
High-security locks with unique pin systems. We have the equipment and blanks to duplicate these restricted keys.
ASSA ABLOY Keys
Commercial and residential high-security systems. We can duplicate with proper authorization.
Schlage Primus Keys
Commercial-grade high-security keys. We carry the specialized blanks and have the cutting equipment.
BiLock Keys
Australian high-security system popular in commercial settings. We can duplicate with authorization.
Restricted Keyway Systems
Many high-security keys have restricted keyways that require authorization to duplicate. We'll verify ownership before duplicating these keys for your protection.
Do Not Duplicate Keys
Have a key stamped "Do Not Duplicate"? This is a request, not a legal restriction. We'll verify you're the property owner before duplicating these keys.
Commercial Key Duplication Services
Property Managers & Landlords
We provide volume key duplication for multi-unit buildings, apartment complexes, and rental properties. Volume discounts available.
Master Key Systems
We can duplicate keys within your existing master key system while maintaining the hierarchy and security structure.
Business & Office Buildings
From single offices to large commercial buildings, we duplicate keys for employees, contractors, and service providers.
Retail & Storefronts
Get spare keys for managers, opening/closing staff, security personnel, and maintenance teams.
Warehouses & Industrial
Duplicate keys for loading docks, utility rooms, equipment storage, and restricted areas.
Schools & Institutions
We work with schools, churches, and institutions needing multiple key copies for staff and authorized personnel.
Related Locksmith Services
Need more than key duplication? We offer comprehensive residential and commercial locksmith services:
Lock Services:
• Lock Rekeying - Change your locks without replacing hardware
• Lock Installation - New lock installation for homes and businesses
• Lock Repair - Fix jammed or broken locks
• High-Security Locks - Upgrade to maximum security
• Deadbolt Installation - Strengthen your home security
Emergency Services:
• Home Lockout Service - Fast emergency entry
• Commercial Lockouts - Get back into your business quickly
• 24/7 Emergency Locksmith - Available any time
• Broken Key Extraction - Remove keys stuck in locks
Security Upgrades:
• Smart Lock Installation - Keyless entry systems
• Access Control - Keypad and card reader systems
• Master Key Systems - Comprehensive key control for businesses
• Commercial Door Hardware - Professional-grade hardware installation
Boston Metro Area - Call (617) 448-6554
We provide key duplication throughout the Boston metropolitan area:
Boston · Cambridge · Brookline · Newton · Somerville · Watertown · Allston · Brighton · Medford · Malden · Waltham · Belmont · Arlington
South Shore & Surrounding Areas - Call (617) 359-5625
Professional key duplication throughout the South Shore:
Sharon · Norwood · Canton · Walpole · Westwood · Dedham · Stoughton · Foxborough · Randolph · Holbrook · Braintree
Mobile service available throughout our entire service area. Don't see your city? Call us - we likely serve your area!
Key Duplication FAQs
How long does key duplication take?
Most standard keys are duplicated in 5-10 minutes. High-security keys take 15-30 minutes. If you need a large number of keys duplicated, it may take 30-60 minutes depending on quantity.
Can you duplicate any type of key?
We can duplicate most residential and commercial keys. We have extensive key blank inventory and specialized cutting equipment. Some rare antique keys or highly restricted keys may require special ordering of blanks.
Do I need to bring my original key?
Yes, we need the original key to create an accurate duplicate. In some cases, if you've lost all keys, we can cut keys from the lock code or by decoding the lock cylinder.
Can you duplicate "Do Not Duplicate" keys?
"Do Not Duplicate" is a request, not a legal restriction. We'll verify you're the property owner or authorized user before duplicating these keys for security purposes.
Can you duplicate high-security keys like Medeco or Mul-T-Lock?
Yes! We have the equipment, blanks, and authorization to duplicate most high-security key systems. We'll verify ownership before duplicating restricted keys.
Do you offer mobile key duplication?
Yes, we can come to your location to duplicate keys on-site. This is especially convenient for businesses needing multiple keys, property managers, or customers who can't travel to us.
How many copies can you make?
We can make as many copies as you need, from 1 to 100+. We offer volume discounts for large orders.
Will my duplicate key work as well as the original?
Absolutely. We use precision cutting equipment and high-quality blanks. Your duplicate will work just as smoothly as the original key.
Can you duplicate worn or damaged keys?
In many cases, yes. If your key is very worn, we may recommend cutting from the lock code or decoding the lock cylinder to ensure accuracy.
Do you duplicate keys for antique locks?
Yes, we have experience with antique and vintage keys. We maintain a stock of old-style blanks and can often duplicate or fabricate keys for historic locks.
What if my key doesn't work after duplication?
We test every key before you leave. If you have any issues, bring it back and we'll recut it at no charge. We guarantee our work.
Do you duplicate master keys?
Yes, we can duplicate keys within existing master key systems. We'll need verification that you're authorized to have copies made within the system.
Why Choose Astro Locks as Your Locksmith?
Top-Quality Hardware
Only high-grade, durable locks and security products
Transparent Pricing
Upfront quotes with no hidden fees or surprises
Licensed & Insured
Fully licensed locksmith professionals with comprehensive insurance coverage
Fast Response
We are local! 20-30 minute average response time near Canton, MA
LET'S TALK
To cut down on your waiting time, simply send us a message.
Get Your Keys Duplicated Today
Need spare keys for your home or business?
📞 Call Now:
Boston Metro: (617) 448-6554
South Shore: (617) 359-5625
✓ Same-Day Service Available
✓ Residential & Commercial Keys
✓ High-Security Key Expertise
✓ Mobile Service Available
✓ 20+ Years Experience
✓ Precision Cutting Equipment
✓ Volume Discounts
✓ Licensed & Insured
Serving Greater Boston & South Shore including Boston, Cambridge, Brookline, Newton, Somerville, Sharon, Norwood, Canton, and 50+ communities.
Professional. Accurate. Affordable.