Professional Deck Builders, Design & Installation in Milwaukee, WI

Call Us (414) 453-1235
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The Deck Builder

Milwaukee Residents Trust


Brew City Builders has been the go-to deck company for Milwaukee homeowners and businesses since 2003. Our showroom is in West Allis, ten minutes from most Milwaukee neighborhoods, and we have built on every type of property the city has. Narrow lots in Riverwest, spacious backyards in Bay View, split levels on the south side, commercial properties near the lakefront. We know Milwaukee properties and we know what works on them.


Whether you need composite deck installation, a traditional wood deck, or a full outdoor space with custom railings and metalwork, we build everything around your specific property and how you use it.


Call (414) 453-1235 to get started.

Your Dream Deck Starts Here

A new deck should match your property, your routine, and the way you actually want to use your outdoor space. Brew City Builders helps homeowners and businesses think through the details before construction begins, from the overall layout and material choices to railings, stairs, built-ins, and finishing touches.


Whether your current deck needs to be replaced or you’re ready to create a brand new outdoor area, our team can help you plan a project that feels practical, polished, and built to last. Contact Brew City Builders today to talk through your deck project and take the next step.

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Deck Design That Starts With Your Property


Every deck installation we do begins with your specific yard and home. Not a standard layout. Not a catalog plan. Yours.


Milwaukee properties vary a lot depending on the neighborhood. Bay View lots look nothing like Riverwest lots. A Craftsman in Shorewood has a different backyard than a ranch on the south side. We come to your home first, look at your space, and talk through what makes sense for your property, your lifestyle, and your budget before we draw up anything.


After that, you visit our showroom and sit down with Amy for a custom 3D design session. You will see your exact backyard with your chosen materials, layout, and railing style from every angle before we break ground. What you see in that 3D rendering is exactly what gets built.

Wood Deck Installation in Milwaukee


If you prefer the character and feel of a traditional wood deck, we build those too. For wood deck installation, we use ProWood treated pine. ProWood is infused with iron to give it a cedar-like appearance with stronger rot resistance than standard treated lumber.


Installed with proper flashing and quality fasteners, a ProWood deck lasts for decades and gives Milwaukee homeowners the natural wood look they want without sacrificing durability.

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No matter which surface material you choose, every deck we build is framed with KDAT lumber. 


Here is why that matters:


  • Standard pressure treated framing lumber is wet when it leaves the treatment facility
  • As it dries over time, it shrinks, warps, and twists
  • That causes boards to become uneven, fasteners to loosen, and structural problems to develop
  • KDAT is kiln dried before it arrives on your job site, so it is already stable when we install it


The result is a deck that stays straight, stays level, and holds up far longer than one built with standard treated framing. It is the difference between a deck that sags in ten years and one that is still solid at forty.

Composite Deck Installation in Milwaukee


A composite deck is the most popular choice for Milwaukee homeowners who want a beautiful outdoor space without ongoing maintenance work. As your local deck company, we exclusively use Timbertech Advanced PVC for all composite deck installation projects.

Timbertech Advanced PVC is 100% PVC with no wood fibers. 


Here is what that means for you:


  • Will not rot, crack, warp, or splinter through Wisconsin winters
  • Available in 15 colors including natural wood tones and designer shades
  • Cleans up with just soap and water a couple of times a year
  • No staining, no sealing, no sanding required


You can see every Timbertech color in our West Allis showroom under real lighting before you make any decisions. Picking a color from an online photo is a gamble. Seeing it in person is not.

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Commercial Deck Installation 


Outdoor seating adds capacity and draws customers in. We build commercial decks for restaurants, bars, and businesses across Milwaukee that hold up under heavy daily foot traffic without constant upkeep.


Our commercial work includes projects for The Harp and Wauwatiki Bar and Grill, among others across southeastern Wisconsin. Every commercial deck installation gets heavier structural framing than a residential build and Timbertech Advanced PVC for the surface, which handles high traffic and needs only occasional cleaning. No sanding, no sealing, no ongoing maintenance headaches for your business.

Get a Quote (414) 453-1235

Porch Installation 


A porch adds covered outdoor living space and improves how your home looks and functions throughout the year. Milwaukee's older neighborhoods have strong architectural character, and a porch needs to look like it belongs on your home, not bolted on as an afterthought.

We build three main porch types for Milwaukee homeowners:


  • Front porches that improve curb appeal and give you a covered entry off the street
  • Screened porches that let you enjoy summer evenings without dealing with bugs
  • Three-season porches that give you extra usable living space from early spring through late fall


Every porch installation includes proper flashing, ledger attachment, and trim work so it ties into your home's existing roofline and structure cleanly. It looks built-in from day one.

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A Look At Some Of Our Recent Projects

Why Homeowners Choose Brew City Builders

There are plenty of deck builders in Milwaukee. Here is what makes us different:


  • Local deck company serving Milwaukee from our West Allis showroom since 2003
  • A+ rating on the Better Business Bureau
  • 2026 Quality Business Award winner, top 1% of contractors in the United States, 5 stars in every category
  • Amy creates a custom 3D design of your exact Milwaukee property before we build anything
  • Dan's custom metalwork is fabricated by hand and available nowhere else
  • We handle all permits and inspections, you handle nothing
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Our Professional Deck Building Process

Building a custom deck involves more than just nailing boards together. Our proven process ensures you get exactly what you want.

1. Free consultation at your home. We visit your Milwaukee property, look at your space, and talk through your ideas with no sales pressure.



2. Showroom visit and 3D design. Come to our local showroom, see materials in person, and finalize your design with Amy.



3. Clear proposal. Every material, cost, and timeline detail spelled out with nothing hidden.



4. Professional installation. We handle permits, inspections, and keep your property clean throughout the build.



5. Final walkthrough.  Nothing is complete until you are fully satisfied.



Call Us (414) 453-1235

Visit Our Showroom Today!

Looking at decking samples online can only tell you so much. Visiting the Brew City Builders showroom gives you a better feel for the materials, colors, railing styles, finishes, and custom details available for your project. You can compare options in person, ask questions, and get guidance from a team that understands how different products perform over time.


Call (414) 453-1235 to schedule a free consultation and start planning a deck or outdoor living space that fits your home, business, and long-term goals.


Showroom hours:

1900 S 74th St. in West Allis

Monday - Friday: 8:00 AM to 4:00 PM

Saturday and Sunday: Closed


Call Us Now (414) 453-1235