Porch & Deck Additions in Nashua & Salem, NH
Create the perfect outdoor escape with a custom porch or deck addition designed by Blackdog Design/Build. Whether you’re grilling with friends, watching the kids play, or enjoying your morning coffee, a well-designed outdoor space can enhance your lifestyle and add lasting value to your home.
Serving homeowners in Nashua and Salem, NH, we specialize in crafting porches and decks that fit your home, your needs, and your style.
Ready to transform your backyard? Contact Blackdog Design/Build today to schedule a consultation.
Expand Your Living Space Outdoors
Adding a porch or deck is one of the best ways to extend your living area while enjoying the natural beauty of New England. From cozy covered porches to expansive open-air decks, these additions create the ideal setting for barbecues, relaxing evenings, or family gatherings.
More than just added space, a custom outdoor addition can significantly boost curb appeal and resale value — especially when it’s built to last.
Covered Porches vs. Open Decks
Deciding between a covered porch and an open-air deck depends on how you plan to use the space. A covered or screened-in porch offers protection from the sun and insects — perfect for all-season relaxation. An open deck, on the other hand, provides more flexibility for entertaining, grilling, and soaking up sunshine.
Not sure what’s best for your home? Our design team will help you weigh the pros and cons of each option and choose a solution that works with your layout, lifestyle, and goals.
Design Options & Material Choices
From classic wood decking to low-maintenance composite materials, we offer a full range of options to fit your aesthetic and budget:
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Pressure-treated wood: Traditional, warm, and budget-friendly
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Composite and PVC decking: Durable, low-maintenance, and weather-resistant
Customize your space with elegant features like:
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Built-in benches and planters
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Decorative railing and balusters
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Integrated lighting and pergolas
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Stairs, ramps, and multi-level layouts
Every element is selected to complement your home and create an inviting, functional space you’ll love for years to come.
Permitting & Code Compliance
In New Hampshire and Massachusetts, most porch and deck projects require a building permit. Don’t worry — Blackdog takes care of the paperwork. We’ll submit permit applications, schedule inspections, and ensure full compliance with all local and federal building codes, so your project runs smoothly from start to finish.
Our Process: What To Expect
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Consultation
Share your vision and budget with our design team. We’ll visit your home, explore your options, and provide expert recommendations. -
Design and Planning
Once you approve the design, your dedicated project manager orders materials, coordinates contractors, and builds a custom timeline. -
Build and Deliver
From the first nail to the final walkthrough, our experienced team keeps you informed, on schedule, and thrilled with the results.
You’ll also receive a client binder with all plans, schedules, and documentation, making it easy to track progress and communicate throughout the project.
Why Choose Blackdog Design/Build?
Blackdog Design/Build brings decades of experience to every project. We go beyond “standard builds” to deliver custom-designed outdoor living spaces that reflect your personality and complement your home.
Here’s what sets us apart:
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Truly custom designs tailored to your home’s architecture and your lifestyle
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Over 60 industry and consumer awards recognizing our design-build excellence
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Three-year warranty for peace of mind long after the project is complete
Learn more about Blackdog and start your porch or deck addition by contacting us today to schedule a consultation in Nashua or Salem, NH.
Frequently Asked Questions
How Long Does It Take To Build a Custom Deck or Porch?
The length varies based on the deck’s size and features. On average, building a custom desk or porch takes a few weeks. However, it may take longer if you have a large property or request a multi-level setup.
Do I Need a Permit To Add a Porch or Deck in New Hampshire or Massachusetts?
Typically, you need a permit to build a porch or deck in New Hampshire or Massachusetts. However, our company handles the permit process as part of our porch and deck additions service.
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Visit Us
Nashua Showroom
Ready to take the next step towards making your dream home a reality? Visit one of the Blackdog showrooms or contact us today to get started.


Visit Us
Salem Showroom
Ready to take the next step towards making your dream home a reality? Visit one of the Blackdog showrooms or contact us today to get started.

