Deck building in Philadelphia rarely looks like the suburban version. The yard might be 15 feet wide and fenced on three sides, the house wall is brick, and every joist and board has to come through the front door unless the block has a rear driveway. A good city deck is planned around those limits from the first conversation.
Deck building is a newer service for F2 Home Improvement, so we are straightforward about it: we do not have a gallery of finished decks to show you yet. What we bring is a crew with more than ten years in the trade, hands-on framing and layout experience from our bathroom and flooring work, and a habit of planning the permit and structure before talking about board colors. Our main deck building page covers materials and options.
Decks and Philadelphia houses
The most common Philadelphia deck is a low platform in the rear yard of a rowhome or twin, or a raised deck off a kitchen or second floor where the lot drops away. Neighborhoods like Manayunk, Roxborough and East Falls have steep lots where a deck off the main floor can end up well above grade on the downhill side, which means taller posts, bracing and careful footing work.
Attaching a deck to a brick rowhome wall is different from bolting a ledger to a wood-framed house. The ledger has to be anchored into solid masonry with fasteners rated for it, not into mortar joints, and flashed so water does not get trapped against the brick. When the wall is in poor shape or the connection is doubtful, a freestanding deck on its own posts and footings is often the better design.
Roof decks are popular in Fishtown, Northern Liberties and Graduate Hospital, but they are a different project from a yard deck. They involve the roof framing, the roof membrane and zoning as well as building review, and they usually need an engineer's input. If a roof deck is what you have in mind, we will tell you plainly what it involves and whether it is a job we are the right fit for.
What we handle
Ground-level and low decks
Platform decks for small rear yards, with footings, framing and decking sized for the space.
Raised decks off the main floor
Decks with stairs down to the yard, including taller posts and bracing on sloped lots.
Pressure-treated framing
Ground-contact rated lumber for posts and framing, with hardware and fasteners rated for treated wood.
Composite or wood decking
Composite boards, which hold up with less maintenance, or pressure-treated decking, which costs less up front.
Railings and stairs
Code-height railings with proper baluster spacing, and stairs with consistent risers and graspable handrails.
Old deck removal
Tearing out a failing deck and hauling it away before new footings go in.
How the project runs
Walkthrough & estimate
We look at the yard, the house wall, the grade and the route materials would take, then give you a free estimate.
Design and drawings
We work out size, height, footing locations and attachment method, and prepare what the permit application needs.
Permits
Deck permits in Philadelphia go through L&I's eCLIPSE system. If the property is historically designated and the deck is visible from the street, the Philadelphia Historical Commission may also need to review it.
Footings and framing
Dig and pour footings below the frost line, set posts and beams, install the ledger or freestanding frame, and schedule inspections as required.
Decking, railings and walkthrough
Install the decking, stairs and railings, clean up and review the finished deck with you.
Choosing materials for a city yard
Philadelphia summers are humid and winters bring repeated freeze-thaw cycles. Small rowhome yards are also often shaded by neighboring walls and trees, so decks there dry slowly. That favors composite decking or well-maintained treated lumber with good airflow underneath, and it means leaving space between the deck and fences or walls. Our comparison of composite vs. pressure-treated decks in Pennsylvania walks through the tradeoffs.
On a deck in full sun, composite boards get hot to bare feet in July, especially darker colors. Lighter colors and some capped products stay cooler. It is worth standing on a sample in the sun before you commit.
Areas we cover around Philadelphia
- Manayunk
- Roxborough
- East Falls
- Mt. Airy
- Chestnut Hill
- Fox Chase
- Somerton
- Bustleton
- Mayfair
- Andorra
Deck Building in Philadelphia: FAQ
Do I need a permit to build a deck in Philadelphia?
Most decks need a permit from L&I, and raised or attached decks almost always do. Zoning rules can also apply, especially for roof decks and decks close to property lines. Our guide to L&I permits explains how the process works, and we confirm the requirements for your deck before any work starts.
Can a deck attach to the brick back wall of my rowhome?
Often, if the brick is sound. The ledger needs masonry anchors set into solid brick and proper flashing. If the wall is soft or repointed poorly, a freestanding deck avoids depending on it.
Do you have photos of decks you have built?
Not yet. Deck building is a newer service for us, and we would rather say so than show you someone else's work. We can show our framing and tile work, walk you through the drawings for your deck and explain every step before you commit.
How do materials get into a rowhome backyard?
Through the house, unless there is a rear alley or driveway. We protect floors and walls along the route and choose board lengths that fit through the doors and hallway.
Related reading
Composite vs. Pressure-Treated Decks in Pennsylvania
The decking you choose sets how much work the deck needs every year. Here's how composite and pressure-treated wood compare in Pennsylvania's climate.
Philadelphia Remodeling Permits: A Homeowner's Guide to L&I
Which bathroom and kitchen projects need a permit from Philadelphia's Department of Licenses and Inspections, who applies for it, and what inspections to expect.
Planning a New Deck in Upper Merion Township
Permits, footings, ledger attachment, sloped yards and material choices for homeowners planning a new deck in King of Prussia and Upper Merion.