Why does the rooftop pilot-house deck matter so much on a Philadelphia rowhome?

The pilot-house deck is the rooftop deck you reach through a small structure (the pilot house) that pokes up through the flat roof. It is a signature feature of older Philadelphia brick rowhomes and a genuine selling point, but it is also exposed to sun, rain, and freeze-thaw from every direction, so it is usually one of the first things on the house to wear out. On this Port Richmond inspection the deck planks were deteriorated and unsecured, the pilot-house threshold was damaged, and a section of fascia was unsecured. Loose planks are a trip-and-fall risk, and a bad threshold and loose fascia are open paths for water into the roof structure below. A home inspector should walk the deck, check the planks and railing, and look at how the pilot house and its flashing tie into the flat roof, because problems here lead straight into the living space underneath.

Is standing water on a flat roof a serious problem?

Ponding, which is standing water that sits on a flat roof instead of draining, is a warning sign rather than a cosmetic one. Water that sits works on the roof membrane every day, finding seams, low spots, and any spot where the membrane is already thin, and over time it leaks into the top floor. On this Port Richmond rowhome the back section of the flat roof held standing water, and the membrane under the rooftop deck was deteriorated, which is harder to spot because the deck hides it. Flat roofs are the norm on 19134 rowhomes, and ponding paired with a worn membrane is one of the most common and most important findings out here. It is worth documenting before closing so the buyer can plan roof work rather than discover a leak after the first heavy rain.

What happens if the utilities are shut off during a home inspection?

When a utility is off, the systems that run on it cannot be tested. On this inspection the gas was shut off, so the gas appliances could not be turned on and run, which leaves the range, water heater, and any gas heat as open questions until service is restored. The same is true of the air conditioning, which was not operational at the time of the inspection. A home inspection documents what can and cannot be verified, and when utilities are off the correct step is to have those systems re-checked once they are turned back on, before closing. A buyer should never assume that an untested system works, and a good report makes clear exactly which systems were verified and which were not.

Why do older brick rowhomes develop open joints and loose siding?

Brick rowhomes in Port Richmond and the surrounding 19134 blocks are built shoulder to shoulder, and the front wall takes the weather head-on for a century or more. Mortar joints shrink and crack, and a vertical joint can open up into a direct path for water into the masonry. Where siding has been added on rear or side walls, the channels that hold it can loosen and let wind and water get behind it. On this inspection the front brick wall had an open vertical joint and there were loose siding channels. Neither is an emergency, but open joints should be repointed and sealed and loose siding re-secured, because on a three-story wall water that gets in can travel a long way before it shows up inside.

Do you inspect rowhomes in Port Richmond and the rest of Philadelphia?

Yes. All Seasons inspects rowhomes and single-family homes throughout Port Richmond, Fishtown, Kensington, and the rest of Northeast and River Wards Philadelphia. Bob personally performs every inspection, including the flat-roof, pilot-house-deck rowhomes that are so common in the 19134 area. Call 610-348-6728 for a per-property quote.

What a Home Inspection Found on a Port Richmond Rowhome

In June 2026, I inspected a three-story brick rowhome on Tilton Street in Port Richmond, in the 19134 part of Philadelphia. The house had a flat roof and a rooftop pilot-house deck, the kind of rooftop feature that is a real selling point on an older Philadelphia rowhome. It also had the wear that comes with that feature, and with a densely built, weather-exposed house.

Here is what this inspection found, from the roof deck down to the front wall, and why the rooftop deck and flat roof on a house like this deserve a closer look than a generic checklist gives them.

1. A Worn Rooftop Pilot-House Roof Deck

The rooftop pilot-house deck had deteriorated and unsecured deck planks, a damaged threshold at the pilot-house door, and a section of unsecured fascia. The rooftop deck is the signature feature of older Philadelphia brick rowhomes, and because it takes sun, rain, and freeze-thaw from every direction, it is usually the first part of the house to wear out.

Deteriorated and unsecured rooftop pilot-house deck planks and fascia on a Port Richmond Philadelphia brick rowhome, documented during a June 2026 home inspection — The rooftop deck planks were deteriorated and unsecured, and the pilot-house fascia and threshold were damaged. Loose planks are a trip hazard, and the gaps are open paths for water into the roof structure below.

This matters more than a cosmetic finding because everything here sits directly over the living space. A loose plank is a trip-and-fall risk, and a damaged threshold and unsecured fascia let water get into the roof and the top floor. On a rowhome, the pilot-house deck and its flashing are exactly the spot a quick checklist tends to skip, and exactly the spot where a leak starts.

2. Flat-Roof Ponding and a Deteriorated Membrane Under the Deck

The back section of the flat roof held standing water, and the roof membrane under the rooftop deck was deteriorated. Ponding is water that sits on the roof instead of draining, and on a flat roof it is a warning sign, not a cosmetic one.

Standing water and ponding on the flat roof of a Port Richmond Philadelphia rowhome, found during a June 2026 home inspection — Standing water (ponding) on the back flat roof. Water that sits works on the membrane every day, finding seams and low spots, and eventually leaks into the top floor.

The section of membrane under the deck was harder to reach and harder to see, which is exactly why it gets missed. A deck built over a flat roof hides the roof it sits on, and the membrane keeps aging out of sight.

Deteriorated flat-roof membrane section beneath the rooftop deck of a Port Richmond Philadelphia rowhome, documented during a June 2026 home inspection — A deteriorated section of roof membrane under the deck framing. This is the kind of spot a deck hides, and it needs a roofer to evaluate before it leaks.

Flat roofs are the norm on 19134 rowhomes, and ponding paired with a worn membrane is one of the most common findings out here. These were documented so the buyer could plan roof work rather than find a leak after the first hard rain.

3. Open Electrical at the Roof Deck and Panel

The electrical turned up three safety items grouped near the roof deck and in the panel. First, there was an open junction box, with no cover and wires exposed, at the top of the deck steps.

Open junction box with no cover and exposed wiring at the top of the roof-deck steps in a Port Richmond Philadelphia rowhome, found during a June 2026 home inspection — An open junction box at the top of the deck steps, with no cover and exposed wiring. An open box with live wires in a walking path is a shock risk and needs to be covered.

Second, the roof-deck receptacle had no power and the GFCI would not set, which means the safety device meant to protect an outdoor outlet was not working. Third, the electrical panel had a missing knockout, leaving an opening in the enclosure.

Roof-deck GFCI receptacle with no power that would not reset on a Port Richmond Philadelphia rowhome, documented during a June 2026 home inspection — The roof-deck receptacle had no power and the GFCI would not set. An outdoor receptacle without working GFCI protection is a safety item, not a convenience issue.

None of these is expensive to fix, but all three are the kind of safety item you want documented before you buy, not discovered the first time you plug something in on the roof.

4. An Inoperative AC, an Open Condenser Splice, and Furnace Corrosion

The air conditioning was not operational at the time of the inspection, there was an open electrical splice at the outdoor condenser, and the furnace in the basement showed corrosion.

Open electrical splice at the outdoor AC condenser of a Port Richmond Philadelphia rowhome, found during a June 2026 home inspection — An open electrical splice at the AC condenser, exposed to the weather. This is both a shock hazard and a sign the unit needs a proper look before you count on it.

An open splice outdoors is exposed to weather and is a shock hazard. An AC unit that will not run needs a diagnosis before a buyer counts on it through a Philadelphia summer, and corrosion on a furnace points to age or moisture and deserves a closer look from an HVAC contractor. Heating and cooling are among the most expensive systems in the house, so knowing their real condition changes what the home costs to own.

5. Gas Shut Off, a Kitchen Sink Leak, and an Open Vent

The gas was shut off, so the gas appliances could not be turned on and tested. There was a leak under the kitchen sink, and an open hot water vent was noted.

Leak in the plumbing under the kitchen sink of a Port Richmond Philadelphia rowhome, found during a June 2026 home inspection — The plumbing under the kitchen sink was leaking. Small under-sink leaks do slow damage to the cabinet and floor and are easy to miss without looking inside.

When the gas is off, the range, water heater, and any gas heat stay open questions until service is restored and they can be run, so those systems should be re-checked before closing. The sink leak needs a plumber, and an open vent on a hot water system is a safety item that should be closed up correctly.

6. Loose Siding and an Open Joint in the Front Brick Wall

On the exterior there were loose siding channels and an open vertical joint running up the front brick wall.

Open vertical mortar joint running up the front brick wall of a Port Richmond Philadelphia rowhome, documented during a June 2026 home inspection — An open vertical joint in the front brick wall. On a three-story rowhome this is a direct path for water into the masonry and should be repointed and sealed.

Loose siding channels let wind and water get behind the siding, and an open vertical joint in a brick wall is a straight path for water into the masonry. In Fishtown, Kensington, and the rest of the 19134 rowhome blocks, houses are built shoulder to shoulder and the front wall takes the weather head-on. Water that gets into the wall can travel a long way before it shows up inside, so these were documented for repointing and re-securing.

What Buyers Should Expect From Home Inspections in Port Richmond

This inspection found a worn rooftop deck, flat-roof ponding, open electrical, a dead AC and corroded furnace, gas off with a sink leak, and loose siding with an open brick joint. That is not a bad house. It is a normal older Philadelphia brick rowhome, and the findings cluster exactly where these houses take the most weather and wear: the roof, the rooftop deck, and the front wall.

What makes an inspection out here different is the rooftop pilot-house deck and the flat roof under it. Buyers in Northeast Philadelphia and the River Wards are often looking at a flat roof, a pilot house, and a rooftop deck for the first time, and those are exactly the systems a generic checklist tends to rush past. Knowing where a pilot-house deck fails, and knowing to check the membrane hidden under it, comes from having inspected a lot of rowhomes in this specific market.

If you are buying a rowhome in Port Richmond or the rest of Philadelphia, schedule an inspection with All Seasons. I personally perform every inspection, and I know the flat-roof, pilot-house-deck rowhomes in the 19134 stock.

Bob Klebanoff
Owner, All Seasons Home Inspections
610-348-6728 | Free Estimate

Home Inspections in Port Richmond and the Surrounding Area:

Philadelphia Fishtown Northeast Philadelphia

What a Home Inspection Found on a Three-Story Port Richmond Brick Rowhome