Lorenzi Deck Company Deck Builders
Contractors South Hills PA
724.949.DECK
Custom Composite Deck Builder in Pittsburgh’s South Hills
Nearly 50 Years of Custom Deck Design, Construction & Resurfacing
Lorenzi Deck Company is a family-owned custom deck builder serving Pittsburgh’s South Hills. For nearly 50 years, we’ve designed, built and resurfaced decks for homeowners in Mt. Lebanon, Upper St. Clair, Peters Township, Bethel Park, McMurray, South Fayette and surrounding communities.
Owner Vince Lorenzi personally oversees projects from the initial consultation through construction. We specialize in custom composite decks, deck resurfacing, multi-level decks, stairs and railings using premium materials from TimberTech, Trex and AZEK.
Meet Vince Lorenzi

Every Lorenzi deck begins with a consultation with owner Vince Lorenzi. Vince brings decades of hands-on deck design and construction experience to each project and personally works with homeowners to evaluate their property, layout, materials and goals.
His experience includes everything from straightforward ground-level decks to multi-level projects, resurfacing aging structures and designing decks for the slopes and terrain found throughout Pittsburgh’s South Hills.
OVERVIEW
Why Homeowners Choose Lorenzi Deck Company
For nearly 50 years, Lorenzi Deck Company has helped homeowners transform their outdoor living spaces with custom deck design, new deck construction, and professional deck resurfacing. We specialize in premium composite decking, custom railings, stairs, and multi-level decks designed specifically for Western Pennsylvania homes.
Every project begins with a personal consultation to understand how you use your outdoor space before recommending the best layout, materials, and construction approach.
OUR SERVICES
Three Ways We Help Homeowners

Deck Design & Consulting
Custom layouts, material recommendations, and architectural integration tailored to your home and how you’ll use the space.

Deck Construction
New builds, tear-downs and rebuilds, and code-compliant construction engineered for Western PA weather.

Deck Resurfacing
A cost-effective refresh when your frame is sound — new boards, railings, and stairs without a full rebuild.
MATERIALS
Choosing the Right Composite Decking
Not all composite decking is the same. Here’s how the three brands we install compare:

TimberTech
Realistic wood grain with excellent durability and minimal upkeep.

AZEK
Premium PVC with exceptional resistance to moisture, fading, and staining.
Not sure which material fits your home? Our design consultation walks through the tradeoffs so you choose with confidence.
📍 Proudly Serving Pittsburgh’s South Hills
We design and build decks throughout:
- Mt. Lebanon
- Upper St. Clair
- Peters Township
- Bethel Park
- Bridgeville
- Nevillewood
- McMurray
- South Fayette
- Canonsburg
- Baldwin
- Scott Township
- Presto
- Carnegie
- Dormont
- Castle Shannon
- Venetia
- Cecil Township
Browse our project gallery for real examples from across these communities.
Our Deck Building Process
STEP 1
Meet at your home to discuss the project
STEP 2
Talk through how you’ll use the space
STEP 3
Measure and evaluate the property
STEP 4
Recommend layouts and materials
STEP 5
Prepare permits and plans
STEP 6
Build with direct owner oversight
STEP 7
Final walkthrough with you
What Our Customers Appreciate Most
- 💬 Clear communication before construction begins
- 💬 Honest recommendations rather than upselling
- 💬 Clean job sites
- 💬 Attention to detail
- 💬 Projects completed the right way, the first time
- 💬 Owner involvement throughout construction
See what homeowners are saying in our customer reviews.
👨🔧 Ask Vince Lorenzi
For nearly 50 years, Vince Lorenzi has helped homeowners choose the right deck for their property. Whether you’re deciding between resurfacing and replacement, comparing composite brands, or planning a multi-level deck, Vince personally meets with homeowners to answer questions and recommend solutions based on real experience — not a sales script.
📞 Text Vince at 724-769-7795
Get Started on Your Deck Project Today
Ready to enhance your outdoor living space with a custom deck designed for your home and lifestyle? Contact Lorenzi Deck Company to:
- Schedule a free consultation
- Request a professional estimate
- Discuss your deck design, materials, and construction timeline
📞 Call 724.949.DECK
Expertise
Deck Design Ideas
We are fearless about taking on challenges! We excel at listening, and then acting on your needs, to deliver a successful project you can enjoy for years to come.
Why Choose
Lorenzi Deck Company
- Expert knowledge and talent
- Family owned & operated nearly 50 years
- High-quality workmanship
- Customer loyalty
- Fully licensed, bonded, and insured
Plan Your Deck Project

Deck Design & Consulting
Custom deck design projects adds value, appeal, and years of enjoyment to your home. We know what it takes to build lasting decks.
Deck Construction
Our deck construction projects can be a new deck, bringing an existing deck up to code, or tearing down an existing deck to rebuild a new deck.
Deck Resurfacing
Deck resurfacing is a cost-effective way to reduce labor costs while still creating a lasting, beautiful deck that appears brand new.
What Others Are Saying
Customer Reviews
OUR WORK
Featured Projects
A closer look at two recent second-level deck transformations from our South Hills portfolio.

McMURRAY, PA · SECOND-LEVEL REMODEL
TimberTech “Legacy” Remodeled 2nd-Level Deck
This remodeled second-level deck underwent such a remarkable transformation that it’s nearly unrecognizable from its original state — enhancing both the value and everyday enjoyment of this McMurray home.
Materials: TimberTech “Legacy” Collection · Pecan decking with Mocha borders · Black aluminum railing with stainless steel spindles

VENETIA, PA · SECOND-LEVEL DECK
AZEK Vintage Series 2nd-Level Deck
A dramatic makeover that completely transformed this second-level deck, boosting both curb appeal and long-term value for this Venetia home — built for years of enjoyable use.
Materials: AZEK Vintage Series · Weathered Teak decking with Mahogany borders · Black aluminum railing with stainless steel spindles


Lorenzi Deck Company
Looking for Deck Inspiration?

Composite Deck Builder FAQs – South Hills Pittsburgh
What types of decks do you build?
We specialize in custom composite deck design and construction using premium brands like TimberTech, Trex, and AZEK, known for durability, low maintenance, and long-lasting beauty.
Do you offer free deck consultations?
Yes. We provide personalized consultations to discuss your vision, space, material options, and layout so we can design the right composite deck for your home.
Why choose composite decking over wood?
Composite decking from TimberTech, Trex, and AZEK offers superior durability, resistance to moisture and fading, and requires significantly less maintenance than traditional wood decks.
Is deck resurfacing worth it?
When the underlying frame is still structurally sound, resurfacing gives you a like-new deck at a fraction of the cost of a full rebuild. We’ll tell you honestly if your frame qualifies.
Does a new deck increase home value?
A well-built deck adds usable living space and curb appeal, and composite decks in particular tend to hold their value well thanks to their durability and low maintenance needs.
Which deck material handles Pittsburgh weather best?
Composite and PVC decking from TimberTech, Trex, and AZEK stand up best to Western Pennsylvania’s freeze-thaw cycles, humidity, and seasonal moisture — with far less warping or rot than traditional wood.
How long does construction take?
Timelines depend on deck size and complexity, but most composite deck installations move efficiently once materials and permits are secured.
Do you handle permits?
Yes. We manage all required permits and make sure your deck meets local building codes and safety regulations throughout the South Hills.
Can you build on steep or sloped yards?
Yes. We design and construct structurally sound decks for homes with uneven terrain or elevated landscapes, including specialized footings where needed.
How long does composite decking last?
High-quality composite decking from TimberTech, Trex, and AZEK is engineered to last for decades with minimal maintenance and excellent weather resistance.
What areas do you serve?
We proudly serve homeowners throughout the South Hills of Pittsburgh, PA, including McMurray, Upper St. Clair, Bethel Park, Peters Township, Mt. Lebanon, and surrounding communities.
How do I know if my deck can be resurfaced?
A deck may be a candidate for resurfacing when its framing, joists, posts and footings remain structurally sound and the existing layout still works for your home. During a consultation, we inspect these components directly rather than judging by the surface boards alone — a deck that looks worn can still have a solid frame, and vice versa.
What composite decking works best in Pittsburgh?
There isn’t one universal answer — it depends on your budget, appearance preferences, moisture and sun exposure, and maintenance expectations. We install TimberTech, Trex and AZEK, and compare the tradeoffs for your specific property during your consultation rather than defaulting to one brand.



