Targeted repairs for worn shingles, failed flashing and patched low-slope sections across Mercer County and the river towns.
Fastest: call (833) 751-2102. Or send this and we call you back.
Trenton Roofing connects homeowners in Trenton and the Delaware River towns with an independent local roofer for repairs: lifted or missing shingles, failed flashing, cracked sealant and worn low-slope sections. A repair makes sense while the rest of the roof still has life. The roofer inspects first, then quotes in writing.
Most roof repairs around Trenton are small jobs with a clear cause. A few shingles lift in a gust, a joint at a chimney opens up, or a patch on a rear porch roof gives out after another winter of freezing and thawing. The trick is catching them while they are still a small job, before water has soaked the insulation and stained a ceiling.
The housing makes the work varied. Inside Trenton and the river boroughs you find old brick rows and twins with shared walls, parapets and low-slope sections out the back. Out in the postwar neighborhoods on both sides of the Delaware, the typical roof is an asphalt shingle roof that has already been replaced once or twice. A repair on a row is mostly a flashing and membrane job. A repair on a ranch or Cape is mostly shingles, vents and the edges.
Trenton Roofing does not send a crew of its own. You describe what you can see from the ground, and the call is put through to an independent roofer who serves your town. That roofer looks at the roof and tells you honestly whether a repair will hold or whether you are paying to patch something that needs replacing. Call (833) 751-2102 and say where the water is showing up.
Stay off the roof and off wet or frosted ladders. Shingles are slick, a soft board gives no warning, and a ceiling that is bulging with water can fail suddenly, so keep people out from under it and call.
Tell the line which town you are in, what the roof is made of and where water shows up inside. Photos of a ceiling stain or a fallen shingle taken from the yard are more useful than a trip up a ladder.
A good repair visit does not stop at the spot you pointed to. The roofer checks the flashing, the vents, the edges and the attic side of the boards, because the entry point is often a few feet from the stain.
You should get a written scope that names the failed parts, the fix for each and a plain opinion on how much life the surrounding roof has left. If the honest answer is that patching will not last, the roofer should say so.
Loose shingles are replaced and nailed properly, flashing is re-formed or replaced rather than smeared with caulk, and any soft decking is cut out and patched. On a low-slope section the membrane is cleaned, cut back to sound material and sealed.
Nails are collected from the yard or the street, debris leaves with the crew, and you are told what was done. Ask for photos of any hidden damage that was found, so the bill matches the work.
A repair price depends on what failed and how hard it is to reach, and no honest figure exists before someone has seen the roof. This page prints none.
| Job | Typical range | What it includes |
|---|---|---|
| Number and spread of the problem spots | Quoted per visit | One lifted section is a short job; scattered damage on several slopes takes longer and costs more |
| Height, pitch and access | Set on site | A steep slope or a narrow row-house lot may need staging, a lift or extra labor |
| Flashing versus shingles | Depends on the part | Metal that has to be fabricated or let into a brick wall costs more than resetting shingles |
| Hidden decking damage | Found once opened | Soft boards under a bad joint are replaced as found, and the written scope should say how that is handled |
| Minimum visit | Ask the roofer | Small jobs often carry a minimum charge, so ask what the visit covers |
After the inspection the roofer sets the exact price and gives it to you in writing before work starts.
A repair fits when the damage is local and the rest of the covering is sound: a few shingles, one joint, one patch. Replacement fits when problems are spread over the whole roof, leaks keep returning in different places, or earlier patches have piled up. The roofer's written opinion should say which.
Think of it in terms of the pattern, not any single leak. A roof with one failed chimney joint and sound shingles elsewhere is a repair candidate. A roof where shingles crumble at the touch, patches from several years sit side by side and the attic shows damp in more than one place is telling you something different.
Many roofs in the Trenton area are on their second or third covering, and old decking beneath a tired layer can hide problems. The roof replacement page explains what a full tear-off involves, so you can weigh it against a repair with the facts in hand.
Because so many roofs here meet something: a shared party wall, a brick parapet, a chimney, a rear addition. Each junction needs metal flashing to turn water away, and those joints open up first as the roof and the wall expand and contract through freezing and thawing winters.
Shingles shed water on their own across the open field of a roof. The trouble starts at the edges and joins, where two different materials have to stay sealed against each other for years. Attached rows multiply those joins, because every wall shared with a neighbor is a seam the water can find.
That is why a repair visit should include the joints even when you called about a stain somewhere else. Ask the roofer to show you or photograph what they found, particularly at chimneys and party walls.
Often it is worth it. A targeted repair on a roof with years left costs far less than replacing it, and a good roofer will say plainly when it is not. The risk is repeated patching on a roof that is failing everywhere, where each repair buys only a season.
Ask three things: what caused the failure, whether anything nearby is likely to fail next, and what the roofer would expect from the repair over the next few winters. A repair that fixes a clear cause, such as a lifted flashing, usually holds. A patch over a symptom does not.
If you are selling or buying, a repair can be a sensible bridge, and an independent roof inspection gives you something written to rely on either way.
Not from the roof itself. Falls from roofs are a serious hazard, shingles are slippery when damp or frosted, and a rushed patch of sealant often traps water rather than stopping it. Photograph the problem from the ground, contain any water indoors and let a roofer do the work above.
What you can do safely is limit damage inside: move belongings, put a bucket under the drip and photograph the stain with a date. Those photos help the roofer and, if you later make an insurance claim, they help you.
If a limb has come down or shingles have blown off in a storm and water is entering now, that is a different kind of job. See the page on emergency roof repair for how a temporary cover works.
Replacing lifted, creased or missing shingles, resetting the ridge cap and renewing the seals around pipe vents. It suits roofs whose shingles are still sound over most of the slope. If many shingles come up when touched, the covering is probably near the end of its life and the page on asphalt shingle roofing explains the next step.
Re-forming the metal where a roof meets a chimney, a wall or a dormer. On attached houses this is the most common repair of all, and it is covered in more detail on the flashing repair page.
Cutting out a failed area of membrane or roll roofing and sealing a new patch in. Rear additions and porch roofs get this treatment most often, and the flat and low-slope roofing page covers when a patch stops being enough.
Two kinds of roof dominate the call list. In Trenton, Bristol, Burlington and the older river boroughs, brick rows and twins carry flashing, parapets and low-slope rear roofs, where repair is as much a metalwork and membrane job as a shingle one. In the postwar developments across Mercer, Burlington and Bucks counties, the typical roof is asphalt shingle at or past its first replacement, and repairs concentrate on the edges, the vents and any roof that was added onto later.
The weather sets the tempo. The Trenton area sees roughly 25 inches of snow and 46 to 48 inches of precipitation in a typical year, and freezing and thawing work on every joint. Many repair calls come in late winter, when a stain finally shows, and again after summer thunderstorms, when wind lifts a tired shingle that was already close to letting go.
Tell us what's happening and we'll tell you honestly whether it's a quick fix, and what roof repair should cost.
Not sure if you're covered? Check your ZIP code.
Finding and fixing roof leaks at chimneys, party walls, additions, valleys and vents on Mercer County and river-town homes.
Rebuilding the metal at party walls, parapets, dormers and valleys where Trenton-area roofs most often fail first.
Full tear-offs and re-roofs for Trenton rows, Mercer County suburbs and postwar Bucks County houses, with the permit step explained.
New Jersey home improvement contractors register with the Division of Consumer Affairs, and the registration number should appear on the contract and in ads.
Often a single leak is a single repair. The roofer should inspect the surrounding flashing, vents and attic before quoting so that a second weak spot does not show up next month. The written scope should tell you whether the rest of the roof is sound.
Many repairs finish in a single visit, but weather, access and what the roofer finds decide it. A shingle repair is short, while a flashing job in a brick wall or a membrane patch takes longer. The roofer will give you an estimate of the time when they look.
Fixing the cause stops new water, but the stain itself stays until it is covered or repainted, and wet insulation or drywall may need attention too. Wait until the ceiling is fully dry before repainting, and mention the damage to the roofer.
That is between you and the roofer, and this line cannot state one. Ask for any workmanship terms in the written quote, and ask what they cover and for how long before you agree.
Small repairs often do not, but rules differ between municipalities and between attached and detached homes. Ask your roofer to confirm with the municipal construction office. The guide on roofing permits in Trenton and Mercer County explains the pattern.
The side the house is on. New Jersey home improvement contractors register with the Division of Consumer Affairs, and Pennsylvania contractors register with the Attorney General. Ask for the number and check it before you sign.