How much does a composite deck cost in Montgomery County PA?

Most composite deck projects in Montgomery and Chester County range from $18,000 to $45,000 depending on size, elevation, railing style, and whether a pergola or covered structure is included. Smaller ground level decks come in at the lower end while multi-level builds with built-in features run higher. We provide detailed written estimates after the site visit so you have exact numbers before any commitment. For a broader look at project costs read our home remodeling cost guide.

What is the best time of year to start planning a deck project?

Winter is actually the smartest time to start. If you want your deck ready for Memorial Day or the first warm weekend in May, the estimate and permit process should begin in January or February. Spring and early summer are our busiest seasons and schedules fill up quickly. Homeowners who plan in the off-season typically get earlier build dates and more flexibility on scheduling.

Do I need a permit to build a deck in Montgomery County?

Yes. All deck construction in Montgomery and Chester County requires a building permit regardless of size. Requirements and inspection schedules vary by township. We handle the entire permit process including application, plan submission, and inspector coordination for every project we build. Learn more about permits in Montgomery County.

Is composite decking worth the extra cost over pressure treated wood?

For most homeowners in this area, yes. Composite and PVC decking carries a higher upfront cost but eliminates the annual maintenance pressure treated wood demands — no sanding, staining, or sealing. Both Trex and AZEK are engineered to handle Pennsylvania's freeze-thaw cycles without warping, cracking, or splintering. Over a ten to fifteen year period the maintenance savings typically close most of the cost gap.

Which is better — Trex or AZEK?

AZEK is generally the stronger performer for moisture resistance and heat reflection and carries a premium warranty, making it the better choice for decks in full sun or yards with drainage challenges. Trex is more budget friendly upfront and is made from 95% recycled materials, making it a strong choice for homeowners who want proven composite performance at a lower price point. Both are excellent — the right choice depends on your yard conditions and budget. We bring samples of both to the estimate visit and walk you through what makes sense for your specific situation.

Can you build a deck on a sloped or uneven lot?

Yes. Sloped lots are actually well suited to elevated or multi-level deck designs that create usable outdoor space while taking advantage of the grade. We assess every property at the estimate visit and design around the slope, drainage, and access points specific to your yard. Some of the most interesting deck designs we have built started with a challenging lot.

How long does a composite deck last in Pennsylvania's climate?

A properly built composite or PVC deck typically lasts 25 to 40 years in Pennsylvania's climate. Both Trex and AZEK are designed to handle the region's freeze-thaw cycles, humidity, and UV exposure without the rot, splintering, or structural degradation that affects pressure treated wood over time. The key to longevity is proper installation — correct ledger attachment, flashing, post footings below the frost line, and adequate drainage.

Is Merman Construction licensed and insured for deck installation in PA?

Yes. Merman Construction Inc. is fully licensed (PA License #066259) and insured for deck installation throughout Montgomery and Chester Counties. We are members of the National Association of Home Builders and the Pennsylvania Builders Association, and carry an A+ rating with the Better Business Bureau.

Custom Deck Installation in Montgomery & Chester County

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Transform Your Backyard with a Custom Trex or Composite Deck

A custom deck gives you more than just additional outdoor space, it opens up a world of possibilities for relaxation, entertainment, and family gatherings. Whether you’re hosting a barbecue, enjoying a quiet morning coffee, or creating a container garden, a beautifully designed deck becomes the heart of your outdoor living.

At Merman Construction Inc., we specialize in creating decks that are tailored to your home’s architecture and your personal style. A custom deck seamlessly integrates with your home, increasing both its aesthetic appeal and market value.

Our expert deck contractors works closely with you to bring your vision to life, ensuring that every detail, from the choice of materials to the layout, suits your needs and complements your home’s design.

Expert Deck Builders in Plymouth Meeting & Surrounding Areas

Let us help you create the outdoor space of your dreams. Reach out to Merman Construction today to schedule a consultation and start your custom deck installation or remodel project!

If you are ready to get started, reach out to us today to schedule a consultation and start bringing your vision to life!

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Our Montgomery County Custom Deck Building Process

A custom deck installation isn’t just about aesthetics, it’s about enhancing your lifestyle and making the most of your outdoor space. Here are some key reasons homeowners choose to invest in custom decks:

Extending Your Home Outdoors

Determining How You Want to Use Your Deck: Spending time outside is good for your health and well-being. With a custom deck, you’ll have a dedicated space to soak up the sun, breathe the fresh air, and relax in the comfort of your own backyard. A deck encourages you to enjoy your outdoor space year-round.

Expand Your Outdoor Entertainment Space

Creating a New Space to Entertain: A custom deck is perfect for hosting family dinners, barbecues, and parties with friends. With enough space for outdoor furniture, grills, and even a built-in bar, your deck can be the ultimate gathering spot.

Boost Property Value with Premium Composite Decking

Getting the Actual Deck Work Done: A custom deck installation can also boost your home’s resale value. Outdoor living spaces are highly sought after by homebuyers, and a custom deck can be a major selling point. Choosing durable, high-quality materials can ensure that your deck will last for years, adding long-term value to your property.

Create a Multi-Functional Space

A Flexible Outdoor Space: Want a peaceful area for morning yoga? Need a dedicated spot for container gardening? Or maybe you’re dreaming of a deck with a hot tub for evening relaxation. A custom deck offers the flexibility to create a space that’s uniquely yours.

Merman Construction's Quality Commitment

As a small family-owned business, Merman Construction takes pride in helping Montgomery and Chester County homeowners transform their spaces with additions and home remodeling projects. Steve Merman and his team treat every project like their own, bringing trusted craftsmanship, integrity, and careful attention to every detail.

Select one of the services below to learn more.

Home Additions

Primary suites, in-law suites, garages, and custom expansions for homes across Montgomery and Chester Counties. We use materials like Aquaguard® performance laminate flooring and engineered structural framing to ensure safe, long-lasting additions.

Stucco Remediation

Full removal and repair with James Hardie® siding, stone, or vinyl replacement to protect your exterior. We use Benjamin Opdyke HydroGap® drainable house wrap and HydroFlash® GP.

Windows & Doors

Energy efficient window replacements and premium entry doors that improve comfort, security, and home value. Brands such as ViWinco® Windows and Reeb® Doors are used.

Basements

Entertainment rooms, home gyms, playrooms, or in-law apartments, tailored to your property. Quality materials such as Diamond Cabinets and Sherwin-Williams paint.

Siding & Exterior

Expert installation of James Hardie® fiber cement siding and Certainteed® vinyl siding to boost curb appeal and weather resistance.

Deck Installation

Built with Trex® and AZEK® composite materials for long lasting decks, porches, and pergolas.

Bathrooms & Kitchens

Beautifully finished kitchens and bathrooms designed for comfort and function. Quality materials from Kohler and Ferguson Plumbing Supply.

Common Questions

Frequently Asked Questions

Honest answers to what Montgomery and Chester County homeowners ask most about custom deck installation.

Most composite deck projects in Montgomery and Chester County range from $18,000 to $45,000 depending on size, elevation, railing style, and whether a pergola or covered structure is included. Smaller ground level decks come in at the lower end while multi-level builds with built-in features run higher. We provide detailed written estimates after the site visit so you have exact numbers before any commitment. For a broader look at project costs read our home remodeling cost guide.
Winter is actually the smartest time to start. If you want your deck ready for Memorial Day or the first warm weekend in May, the estimate and permit process should begin in January or February. Spring and early summer are our busiest seasons and schedules fill up quickly. Homeowners who plan in the off-season typically get earlier build dates and more flexibility on scheduling.
Yes. All deck construction in Montgomery and Chester County requires a building permit regardless of size. Requirements and inspection schedules vary by township. We handle the entire permit process including application, plan submission, and inspector coordination for every project we build. Learn more about permits in Montgomery County.
For most homeowners in this area, yes. Composite and PVC decking carries a higher upfront cost but eliminates the annual maintenance pressure treated wood demands — no sanding, staining, or sealing. Both Trex and AZEK are engineered to handle Pennsylvania's freeze-thaw cycles without warping, cracking, or splintering. Over a ten to fifteen year period the maintenance savings typically close most of the cost gap.
AZEK is generally the stronger performer for moisture resistance and heat reflection and carries a premium warranty, making it the better choice for decks in full sun or yards with drainage challenges. Trex is more budget friendly upfront and is made from 95% recycled materials, making it a strong choice for homeowners who want proven composite performance at a lower price point. Both are excellent — the right choice depends on your yard conditions and budget. We bring samples of both to the estimate visit and walk you through what makes sense for your specific situation.
Yes. Sloped lots are actually well suited to elevated or multi-level deck designs that create usable outdoor space while taking advantage of the grade. We assess every property at the estimate visit and design around the slope, drainage, and access points specific to your yard. Some of the most interesting deck designs we have built started with a challenging lot.
A properly built composite or PVC deck typically lasts 25 to 40 years in Pennsylvania's climate. Both Trex and AZEK are designed to handle the region's freeze-thaw cycles, humidity, and UV exposure without the rot, splintering, or structural degradation that affects pressure treated wood over time. The key to longevity is proper installation — correct ledger attachment, flashing, post footings below the frost line, and adequate drainage.
Yes. Merman Construction Inc. is fully licensed (PA License #066259) and insured for deck installation throughout Montgomery and Chester Counties. We are members of the National Association of Home Builders and the Pennsylvania Builders Association, and carry an A+ rating with the Better Business Bureau.