Professional Deck Builders, Design & Installation in New Berlin, WI

Building Custom Decks Since 2003
A deck in New Berlin has to do more than look good on installation day. It has to fit your home, work with your lot, handle Wisconsin winters, and feel like it belongs with the rest of the property. Brew City Builders has been building custom decks throughout New Berlin since 2003, with a local showroom in West Allis where homeowners can compare materials, railing options, and design ideas before making any decisions.
From composite deck installation and traditional wood decks to porches, railings, stairs, and complete outdoor living upgrades, our team designs each project around how you actually want to use the space.
Call (414) 453-1235 to schedule a free consultation.
Start Building Your Custom Deck Today
A great deck doesn't happen by accident. It starts with the right design, the right materials, and a team that takes the time to understand how you actually want to use the space. Brew City Builders works with homeowners to plan every detail, from layout and decking materials to railings and finishing touches, so the end result feels like a natural part of the home rather than an afterthought. Whether you're replacing an old deck or building something new from the ground up, we're here to guide you through the whole process. Reach out to Brew City Builders today to start planning your project.
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Composite Deck Installation in New Berlin
Composite decking is the most popular choice for New Berlin homeowners who want a great looking outdoor space without ongoing maintenance. As your
local deck company, we exclusively use Timbertech Advanced PVC for all composite deck projects.
Timbertech Advanced PVC is 100% PVC with no wood fibers.
- No rotting, cracking, warping, or splintering through Wisconsin winters
- Available in 15 colors including natural wood tones and designer shades
- Stays clean with just soap and water a couple of times a year
- No staining, no sealing, no sanding. Ever.
Because our showroom is just minutes from New Berlin, you can walk in any weekday and see every Timbertech color under real lighting before deciding. What you see in the showroom is exactly what you get on your deck.

Wood Deck Installation in New Berlin
Plenty of New Berlin homeowners prefer the look and feel of a traditional wood deck. We build those too. We use Prowood treated pine for our wood deck installation projects. Prowood is infused with iron to give it a cedar-like appearance with stronger rot resistance than standard treated lumber.
When installed with proper flashing and quality fasteners, a Prowood deck lasts for decades. It gives you the natural wood character a lot of homeowners want without sacrificing durability or lifespan.
KDAT Framing on Every Deck We Build
Regardless of which decking material you choose, every deck we build gets framed with KDAT (Kiln Dried After Treatment) lumber. This is one of the biggest differences between our decks and what most other deck companies install.
Standard pressure treated framing 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.
- Already dimensionally stable when we install it
- Framing stays straight under load
- Joints don't separate over time
- Deck stays level and solid for decades
It's the difference between a deck that sags in 10 years and one that's still solid at 40.
Custom Railings and Metalwork
Railings finish a deck and pull the whole design together. We offer three options depending on what you're looking for.
- Westbury aluminum railings are low maintenance, rust-proof, and available in multiple colors to complement your New Berlin home's exterior. Clean lines that work with any architectural style.
- Fortress steel railing systems offer a range of styles from modern to traditional with powder-coated finishes built for outdoor use. Strong and versatile.
- Dan's custom fabricated steel railings are built by hand for your specific project. Family crests, geometric patterns, decorative screens, one-of-a-kind designs you won't find anywhere else. His metalwork turns standard decks into genuine showpieces.
All railing installations meet Wisconsin building code requirements for height, spacing, and structural integrity.


Commercial Deck Building
Commercial outdoor seating has to work harder than a residential deck. It sees more foot traffic, more wear, and far less downtime for repairs or upkeep. Brew City Builders designs and builds commercial decks for restaurants, bars, and businesses across New Berlin and southeastern Wisconsin with that reality in mind.
We use heavier framing and TimberTech Advanced PVC decking on every commercial project, a combination that holds up under daily heavy use and keeps maintenance simple. No sanding, no sealing, and no significant disruption to your operation. Just a durable outdoor space that adds seating capacity and keeps customers coming back.
A Look At Some Of Our Recent Projects



Why New Berlin Homeowners Choose Brew City Builders
New Berlin has deck companies to choose from. Here's what makes us different.
- Local deck company with 20+ years in Wisconsin. We've built throughout New Berlin and surrounding communities since 2003 and know what holds up in this climate.
- Showroom minutes from New Berlin. Stop by 1900 S 74th St in West Allis to see materials, compare options, and work with Amy on 3D designs of your specific property.
- A+ rating on the Better Business Bureau. Our reputation matters to us because we live and work in this community.
- 2026 Quality Business Award winner. Recognized in the top 1% of contractors in the United States with 5 stars in every category.
- Amy's 3D design process. You see exactly what you're getting before we build a single board. Your specific backyard, your chosen materials, shown from every angle.
- Dan's custom metalwork. Fabricated by hand and available nowhere else. Designs built specifically for your project.
- We handle everything. Permits, inspections, coordination. You focus on your life while we handle the details.



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 look at your space and talk through ideas.
2. Showroom visit and 3D design. See materials in person and finalize your design with Amy.
3. Clear proposal. Every cost, material, and timeline detail spelled out upfront.
4. Professional installation. We handle permits, inspections, and keep your property clean throughout.
5. Final walkthrough. Nothing is complete until you are fully satisfied.
Visit Our Showroom Today!
Visit the Brew City Builders showroom to explore decking materials, railing options, colors, finishes, and custom details in person before making decisions for your project. See how different products look and feel, ask questions, and get a clear picture of what will work best for your New Berlin home.
Call (414) 453-1235 to schedule a free consultation and start planning your custom deck or porch.
Showroom hours:
1900 S 74th St. in West Allis
Monday - Friday: 8:00 AM to 4:00 PM
Saturday and Sunday: Closed
