Roof Repair in Bayonne, NJ: Frame Two-Families, Flat Roofs and Bay Wind

Verdict: on a detached one- or two-family house, roof covering work needs no permit; almost everything structural, attached or larger does. Bayonne has more detached two-families than most Hudson towns, so it pays to know which side of the line your house is on. Use this list before signing a contract.

No permit (ordinary maintenance under N.J.A.C. 5:23-2.7):

• Replacing shingles or a whole shingle layer on a detached one- or two-family house.
• Tearing off and replacing a rear flat roof’s membrane on that same detached house, without touching the deck.
• Replacing flashing, pipe boots, drip edge and gutters.
• Re-roofing over one existing layer, so the result is two layers.

Permit required from the construction code office:

• Any sheathing or deck board replacement, or rafter repair.
• Any house that shares a wall: row houses, twins, townhomes.
• Three-family and larger buildings, condo buildings and mixed-use Broadway buildings.
• A third layer of roofing (two is the maximum).

Check before work:

• City-designated landmarks, such as the protected row houses on 33rd Street, and the Gregg Park historic district.
• Association rules on the Peninsula or in any condo building.
• Flood-damaged buildings, where total repair cost can trigger floodplain review.

Note: the exemption is not a pass on code. A no-permit roof still needs ice and water shield where code requires it, proper flashing and correct fastening. If a contractor tells you every Bayonne roof job needs a permit, or that none do, ask which part of the rule they mean. And if soft decking turns up mid-job on a detached house, the deck work then needs a permit; a good contract says how that is handled.

Summary: the rear roof and the joint where it meets the house cause most leaks, so we inspect from back to front. A typical Bayonne two-family has a pitched front with a gable or dormers, a low-slope rear section over the kitchens, a porch roof, bay windows and a single chimney. Here is our sequence and what each step looks for.

1. Rear low-slope roof. Membrane type and layers, open laps, ponding at corners, patch history, soft spots underfoot.
2. Rear wall joint. Where the low roof meets the taller wall: counter flashing, siding clearance, sealant condition.
3. Scupper or rear gutter. Size, slope, debris, where the leader discharges in the side yard.
4. Front slope. Shingle condition on windward sides, lifted tabs, granule loss, number of layers at the eave.
5. Ridge and vents. Ridge cap, ridge vent, pipe boots, exhaust caps.
6. Chimney. Step and counter flashing, crown, mortar, cap.
7. Small roofs. Porch roof, bay caps, entry hoods and their wall flashing.
8. Metal. Drip edge, coping and flashing for salt corrosion.
9. Inside. Top-floor ceilings and the attic or crawl space, if there is access, for stains, daylight and damp insulation.

What you receive: dated photos of each item, a list ranked by urgency, and a written itemized quote for the repairs that matter now. Items that can wait are marked as such. For buyers, we note the likely remaining life of each roof section, since front and rear roofs on the same Bayonne house are often different ages.

Action: secure the roof before the storm, document after it, and keep roof damage separate from flood damage. Minor coastal flooding at the Bergen Point gauge starts around 7.2 feet. The highest readings on record are 14.6 feet in Sandy (October 29, 2012), 9.3 feet, 9.1 feet on December 23, 2022, 8.9 feet on October 27, 2018 and 8.4 feet on February 8, 2016. Gales that push water that high usually bring strong wind and rain too, and that is what reaches roofs.

Before the storm (24 to 48 hours):

• Clear scuppers, gutters and leaders so rain can leave the rear roof fast.
• Look for loose coping, drip edge or flashing from the ground; have it fastened if you can.
• Move valuables away from top-floor ceilings that have leaked before.
• Photograph the roof and ceilings as they are now. Before-photos speed up claims.

After the storm:

• Stay off a wet roof. Photograph from the ground or a window: missing shingles, peeled edges, fallen limbs.
• Photograph ceilings and walls on upper floors separately from any ground-floor or basement water.
• Send photos through our contact page for tarping or repair.
• Report to your insurer. Roof damage goes on the homeowners or landlord policy; rising water goes on the flood policy.

Our inspection report describes roof damage only. That separation matters on the peninsula, where both kinds of damage can arrive in the same night, as they did in 2012.

Recommendation: aluminum, copper or coated steel for flashing and edge metal, with stainless or hot-dipped galvanized fasteners; avoid bare galvanized steel within sight of the water. In Bayonne, that is most of the city. Newark Bay, the Kill Van Kull and Upper New York Bay surround the peninsula on three sides, and salt mist reaches every street.

What fails first:

• Electro-galvanized nails and screws in coping and drip edge, which rust and loosen.
• Thin galvanized step flashing at chimneys and walls, which pits through.
• Steel gutter hangers and straps, which rust and drop the gutter.
• Rubber pipe boots and exposed sealant, dried by constant wind and sun.

What we specify:

• Drip edge and coping: heavy aluminum or Kynar-coated steel, fastened with stainless screws.
• Step and counter flashing: aluminum on most houses; copper on older or landmark houses where appearance matters.
• Valleys: aluminum or copper, or a closed shingle valley over ice and water shield.
• Membrane edges: termination bar and metal cap with stainless fasteners at a close spacing for wind.
• Gutters: aluminum with aluminum or stainless hangers.

Never put copper and bare steel or aluminum in direct contact; mixed metals corrode each other faster in salt air. The upgrade usually adds a modest amount to a repair and avoids redoing it in a few years. On commercial and industrial roofs at Constable Hook, we also check rooftop equipment stands and curbs, which rust where they sit on the membrane.

Answer: on a condo, the association usually owns and decides on the roof; on a designated landmark, the Historic Preservation Commission’s interest in the facade comes first; on a two-family, the owner decides. Bayonne has all three, sometimes on the same block.

Condos and townhomes (Peninsula at Bayonne Harbor and condo buildings citywide):

• The roof is usually a common element. Report leaks to the board or manager in writing, with photos and dates.
• The association’s master policy usually covers the roof; your unit policy covers your interior and improvements.
• Work on multi-unit buildings needs a permit from the construction code office.

Landmark row houses (for example the Schuyler Row House at 20 East 33rd Street, its neighbours at 14 and 16, and the Isbills Row House at 43 West 33rd):

• The commission protects facades; owners can update interiors.
• Flat rear roofs may not be visible from the street, but cornices, front parapets and anything on the facade are.
• Ask before changing visible materials. We provide photos and product details.
• As attached houses, these also need a construction permit for roof work.

Designation process, for context: the commission recommends a property to the City Council; the Council introduces an ordinance; the Planning Board reviews it; the Council then holds a hearing. The commission recommended St. Andrew’s Church on October 22, 2024 through this process. Two-family owners outside landmarks and the Gregg Park district face no historic review for roofing.