Keys, Locks, and Hardware in Milwaukee, WI

Locksmith Service and Hardware Expertise

Being locked out or needing new security hardware can happen to anyone, and it often feels urgent and stressful. For over six decades, Crown Hardware & Plumbing Supply Inc. has provided Milwaukee with reliable locksmith services, quality keys, locks, and hardware. As a family-owned locksmith and hardware store in Milwaukee, we put customer service first, helping you quickly and efficiently secure your home, business, or vehicle.


If you are locked out, need new hardware, or want advice about keys or locks, visit our store or call 414-374-5100 today. Let our skilled staff help restore your security and peace of mind.

Key Cutting and Duplication Services

Losing a key or needing an extra copy is common. Whether it’s for your front door, office, furniture, or mailbox, Crown Hardware & Plumbing Supply Inc. offers expert key cutting and duplication. Our inventory includes a broad range of key blanks, and our team uses industry-leading technology to cut almost any type of key you need.



We work with these types:

House keys

Apartment keys

Cabinet and antique furniture keys

Padlock and mailbox keys

Office keys

If you lost all copies or need replacements for a worn-out or unique key, we’ll find a solution. Our staff is trained to handle most requests quickly so you can regain access with little delay.

Automotive Key Fob and Car Key Services

Modern vehicles require specialized expertise for key cutting and programming. At Crown Hardware & Plumbing Supply Inc., we cut and program car keys for most domestic and foreign vehicles, including motorcycles, boats, RVs, and more. We handle: 

Traditional car keys

Smart keys

Transponder and chip keys

Remote key fobs

Our store is equipped with the latest technology to make sure your new or replacement car key works properly. If your current fob or chip is malfunctioning, bring it in and our technicians will help you get back on the road quickly.

Master Key System and Rekeying Solutions

Landlords and business owners often need more control over property access. Our master key system allows you to manage individual locks with separate keys while keeping access control at your fingertips with a primary master key. This setup is perfect for apartments, rental properties, offices, or commercial buildings when security and convenience are important.



If you want to rekey your locks rather than replacing hardware entirely, our technicians can swap out the inner mechanisms of existing locks and provide fresh keys to fit your newly configured system. Rekeying is a cost-effective way to maintain control and safety for homes and businesses while utilizing existing lock sets.

Top Hardware for Secure Homes and Businesses

Crown Hardware & Plumbing Supply Inc. does more than just keys. Our Milwaukee store stocks a complete line of high-quality hardware, including

  • Door locks and deadbolts
  • Padlocks
  • Cabinet and drawer hardware
  • Commercial locking devices
  • Residential and commercial security hardware

We work with trusted brands that offer strength, reliability, and long-lasting performance. Whether upgrading one lock or replacing hardware throughout your home or building, you’ll find durable solutions tailored for your needs.

Family-Owned Service Since 1957

Our family-owned business has built a reputation in Milwaukee for honest advice, fast service, and a commitment to customer satisfaction. Our skilled staff treats your security needs like their own. We take time to answer each question and carefully explain products and options, ensuring you make the right choice for your property.

Get Fast Help With Keys, Locks, and Hardware

If you face a lockout, need duplicate keys, want a master key system, or plan to upgrade your property’s hardware, rely on Crown Hardware & Plumbing Supply Inc. for top-notch service and products. Visit our Milwaukee store or call 414-374-5100 for help today.