Overhead view of a fully stripped roof covered in synthetic underlayment, with around twenty shingle bundles staged in a row along the ridge and tarps below catching the torn off shingles
Warren County, NJ

Roof replacement in Warren County, NJ

Half the homes in Phillipsburg and Belvidere went up before 1940, while the median house in Greenwich and White dates to the 1990s. An old roof and a first roof wear out in different ways, so we count the layers and check the attic before any price, and you see the deck in photos once the old roof is off.

GAFNJ HIC 13VH13268400 · Licensed and insured · GAF Certified · Free inspection · Open 24 hours

Modern Home Roofing & Chimney replaces roofs across Warren County, NJ, including Phillipsburg, Belvidere, Washington Borough and Greenwich. In Phillipsburg and Belvidere half the homes predate 1940, so we expect older layers and plank decking. Every layer comes off, you see photos of any rotted board before we replace it, and the inspection is free. NJ HIC 13VH13268400.

Warren County roofs

Town roofs from the 1930s, township roofs from the 1990s

1938Median year a house was built in Phillipsburg, and in Belvidere. New Jersey: 1971.
25%Of Warren County homes built before 1940. New Jersey: 17%.
1994Median year built in Greenwich Township. White Township: 1991.
40+Inches of snow in an average Warren County winter, 40 to 50 by the State Climatologist.

Phillipsburg and Belvidere both have a median house from 1938, and in each town about half the homes went up before 1940. A roof that old is rarely the first one on the house, and a second layer of shingles nailed over the first is a common find. Under them there is often plank decking from the original build.

Greenwich and White sit at the other end of the scale. Greenwich's median house dates to 1994 and White's to 1991, and close to a third of White's homes were built this century. A 1990s house may still carry its original roof, and shingles from then are often near the end of their life.

The whole county sits in the State Climatologist's Northern Zone, colder than the rest of New Jersey, with 40 to 50 inches of snow in an average winter. Snow on a roof melts from underneath when the attic is warm, and the water can freeze again at the cold edge.

A 1938 roof and a 1994 roof can look alike from the road. We climb up when it is safe, count the layers and check the attic before a price goes on paper.

Before we price it

What sets the price of a Warren County roof

Square footage is the easy part. The layers, the deck and the edges move the number, and most of that stays out of sight until we look. You keep the photos whether you hire us or not.

Roofer laying the first courses of new shingles over synthetic underlayment while two crew members work further along the roof

From Phillipsburg to Blairstown, we write down

  • The number of shingle layers. Each one adds stripping and hauling.
  • Plank boards or plywood under the shingles, and any soft spots underfoot.
  • The eaves and the attic boards just above them, where melt water can freeze and back up.
  • The chimney where it comes through the roof. On an oil-heated house it carries boiler exhaust every winter.
  • On an attached house in Allamuchy or Independence, the line where your roof meets the next one.
  • On a two-family house in Belvidere or Washington Borough, the top floor ceilings in both units, with your tenant's okay.
Roofer nailing down a patched section of a shingle roof, with the old shingles cut back around the repair and a roll of underlayment beside it

A worn roof is not always a finished one. If a repair will carry it a few more winters, that is what we price. Roof repair in Warren County

Is a repair still an option?Book a free inspection
Town and township

Old town streets, and the newer houses around them

Roof stripped to new plywood decking with a continuous slot cut along the ridge and crew members working near the peak
The old town centers

Phillipsburg, Belvidere, Alpha, Washington Borough

In these four the median house dates from 1938 to 1960, and a fair share of homes are attached or two-family houses. Expect older layers and plank boards under them. On an attached house, the new roof has to tie into the neighbor's, and the job goes through the town's construction office.

Hand at the ridge of a shingle roof lifting a bundle of loose low voltage wires that run across the shingles beside a vent
The townships

Greenwich, White, Allamuchy, Blairstown and the rest

Out here most homes stand on their own lots. Greenwich is 94 percent detached houses, with a median home from 1994, and many roofs in these townships are the first the house has had. Allamuchy is the exception: 44 percent of its homes are attached, so check your association documents before you call anyone.

If your gutters sag or leak at the seams, replacing them while the roof edge is open saves a second setup. Gutter installation

How it works

How a roof replacement works in Warren County

Most houses take one or two days once work starts, weather permitting. All seven steps are on the roof replacement page.

  1. Free inspection

    We get on the roof when it is safe to, check the attic and take photos. You see them before we talk about price.

  2. Written estimate

    Scope, materials, number of days and the price, on paper. Any permit goes on it too.

  3. Tear off and deck check

    Every layer comes off down to the wood. If we find rotted boards, we stop and show you before we replace them.

  4. New roof and clean up

    New underlayment and shingles go on. Then we haul the old roof away and run a magnet over the lawn and driveway for nails.

Skylight set into an asphalt shingle roof with metal flashing around the frame and a stone chimney behind it
Low slope roof covered in black membrane, with a skylight set into it and rolls of membrane laid out
Aerial view of a completed architectural shingle roof on a two storey house
Crew member standing on a finished shingle roof with a ladder set to the ridge, surrounded by neighbouring houses and driveways

Do you need a permit for a new roof in Warren County?

On a detached one- or two-family house, no. New Jersey's construction code treats a new roof covering on a detached one- or two-family house as ordinary maintenance, so there is no permit and no notice to the town. A townhouse or other attached house usually goes through the town's construction office. Belvidere's historic district has its own review by the Historic Preservation Advisory Commission, but maintenance of existing roof material and in-kind siding replacement are exempt. We check with your town before we start, and any permit goes on the estimate.

Before you hire anyone

What you can check on us first

  • Our New Jersey Home Improvement Contractor license is 13VH13268400. Look it up with the Division of Consumer Affairs.
  • We carry insurance and can send you the certificate before work starts.
  • The inspection is free, and the estimate comes to you in writing.
  • We are open 24 hours.

GAFOn roofing work, we are also GAF Certified. What GAF Certified means

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FAQ

Roof replacement questions in Warren County

Still not covered? Call 732-682-9251 and ask.

If it is in Warren County, yes. We cover all 22 municipalities, from Allamuchy to White. Put your ZIP code in the estimate form and we confirm it when we call you back.

Roof size and pitch set the base. Then come the layers to strip, the boards to replace and the shingle you pick. An old town house in Phillipsburg may hide two layers and plank decking, while a 1990s house in Greenwich often has one layer on plywood. We do not quote over the phone. You get a written price after the inspection.

No construction permit on a detached one- or two-family house. State code counts a new roof covering there as ordinary maintenance. Attached houses, which make up 44 percent of homes in Allamuchy and 29 percent in Independence, go through the town's construction office. Belvidere's historic district has its own review by the Historic Preservation Advisory Commission, but maintenance of existing roof material is exempt.

It might. A 1990s house in Greenwich may still have its original roof, and shingles from then are often near the end of their life. Some still have a few good winters left. We check the shingles, the edges and the attic, and if yours can wait, we tell you.

Yes. Sixteen percent of Belvidere homes are two-family houses, with one roof over both households. With your tenant's okay we check the ceilings in both units at the inspection, and the estimate lists the work days so you can tell them ahead of time.

Call us, but check with your association first. In most condos the roof and the siding belong to the association, and the board hires the contractor. Townhouses vary. Your association documents say who owns what.

Aerial view of a roof replacement near completion, with crew members setting the final courses

Find out how many roofs are on your house

Tell us your town and what the roof is doing. We call you back shortly, inspect it for free, and send photos with a written price. If a repair makes more sense, you hear that first.

Or call 732-682-9251

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