Morris County

Water damage restoration, mold remediation and cleaning in Long Hill, NJ

Long Hill is a township in Morris County, bounded by the Passaic River to the south and west, and it contains a portion of the Great Swamp National Wildlife Refuge.

5.0 from 149 Google reviews 24 hours a day, by appointment Updated 2026-10-15
The eight counties Eight counties, 228 towns. Drawn from the standard. This is a drawing and no reading on it is live. Tide line Whippany River Rockaway River Second River Long Hill Morris40 towns
Eight counties, 228 towns. Morris County, 40 towns.

Service details · Morris County

Services

What we handle in Long Hill

About our service in Long Hill

This sheet covers water damage restoration, mold remediation and cleaning in Long Hill, from extraction and structural drying through containment work to carpet, rug and upholstery care, with the method set by what is found at the property.

Long Hill is read locally by its sections, Gillette, Millington, Stirling, Meyersville and Homestead Park, and a job is quoted on the one you are in rather than on the town line. Historic homes here range from eighteenth century farmhouses to modern construction, so the useful question on the phone is what is on your floor. A farmhouse floor and a recent subfloor hold water differently, release it differently, and need different equipment. Category and class are assessed to the ANSI/IICRC S500 standard before anything is moved, and the assessment is what the written estimate is built on.

A range of housing means a range of drying plans

Historic homes in Long Hill range from eighteenth century farmhouses to modern construction, and that range decides the work more than the size of the spill does. Older assemblies tend to hide water inside cavities and release it slowly, which is specialty drying under the ANSI/IICRC S500 standard and means equipment stays longer. Newer assemblies with engineered flooring over a slab trap water at the glue line instead. Neither is read by touch. A moisture meter is used at marked points on the wall, the subfloor and the pad, and the readings are compared against an unaffected part of the same material.

River and wetland water is not clean water

Long Hill is bounded by the Passaic River to the south and west and contains a portion of the Great Swamp National Wildlife Refuge. Water that has moved across ground before it reaches a basement is not treated as category 1. Category 2 water carries contamination that can make people sick, and category 3 carries sewage, soil organisms or long standing contamination, which means porous material that absorbed it comes out rather than being dried in place. Carpet pad soaked by category 3 water is removed. The category found is named on the estimate with the evidence for it before extraction starts.

What groundwater does to a basement

Water arriving at the outside of a foundation does not usually appear at the floor drain. It comes in at the cold joint where the wall meets the slab, through a window well that has filled, or under a below grade door. The signature is a wet band along one wall with a dry floor in the middle, which reads as a small problem and is not, because the cavity behind that wall is wet to the height the water reached outside.

For that reason readings are taken up the wall at marked points, and the baseboard and the bottom of the drywall are checked before anyone talks about waterproofing. Outside, the grade and the downspout discharge matter as much as anything inside. A finished basement adds a second layer, because insulation behind a stud wall holds water quietly long after the carpet surface feels dry to a hand.

Drying stops on a reading, not on a day

Structural drying is sized to the wet material. Air movers and dehumidifiers are set for the volume of water in the assembly, not for the square footage of the room, and fixed monitoring points are marked so the same spots are read every visit. Drying stops when those readings come back to normal, which is a meter reading rather than a fixed number of days on a calendar.

Carpet and pad are their own question. Wet pad under dry looking carpet is common, so the meter goes into the pad and the subfloor. Drying time for cleaned carpet depends on the season and the carpet: in warm, dry weather most carpet is dry within hours, while in winter or humid weather thick or dense carpet can take up to 48 hours.

Mold work and the written record

Wet material that stays wet grows mold, and the usual drying window is short. Mold work runs under containment with HEPA filtration, the colonized material comes out, the space is dried, and the result is written down. Containment matters because disturbing growth without it moves spores into rooms that were never affected, which turns one room of work into several rooms of cleaning.

The customer keeps the paperwork. A written estimate comes before any work begins, with no hidden fees, and the drying file with its named monitoring points and dated readings is handed over at the end. A person answers at any hour and a crew dispatches to your street, with the technician calling back with an arrival time.

Service area

Where in Long Hill

All of Long Hill is covered, including the sections it is read by locally, Gillette, Millington, Stirling, Meyersville and Homestead Park. Carpet cleaning, rug cleaning and upholstery cleaning are offered here by the same team that handles water losses, and a wool rug lifted off a wet floor is dried fully before it goes back down.

ZIP codes covered in Long Hill: 07933, 07946, 07980.

Nearby

Nearby towns we also cover

Customer reviews

5.0 from 149 Google reviews

Word for word from the Google listing. Names, wording and dates are the reviewers' own. Read them all on Google, opens in a new tab.

A broken water heater caused water to spread through multiple rooms overnight, creating a stressful situation. Their technicians documented everything thoroughly and began immediate drying procedures. Flooring, drywall, and insulation were restored carefully and professionally. The transformation from soaked and damaged to polished and secure was truly impressive.

Marie Workman · · 8 months ago · Google

I discovered mold on the carpet in my attic room and contacted DHL for help. Their team responded quickly, arrived as soon as possible, and conducted a thorough inspection. They clearly explained the situation, developed a detailed scope of work, and completed the entire job within just one week. The whole team was professional, courteous, punctual, and respectful throughout the process. I truly appreciated their prompt response, attention to detail, and commitment to getting the job done efficiently. I’m very satisfied with their service and would highly recommend DHL to anyone in need of professional mold remediation. Thank you to the entire team for a job well done!

Rinat Morad · · a week ago · Google

We saw that the doors to our closets were stuck, and later we found damage to the floor from water coming from an old pipe nearby. It was helpful that the repair experts talked about how materials can be affected over time by trapped humidity. The place where they dried things was clean and strangely quiet. Now the closet feels like it did before.

Kathleen Torres · · 4 months ago · Google

Frequently asked questions

Questions from Long Hill customers

Question 1: Our Long Hill basement took water after a storm. What happens first?

First the water is graded. Category and class are assessed to the ANSI/IICRC S500 standard before anything is moved, because water that has crossed open ground is not treated as clean. Extraction follows the assessment, drying follows extraction, and a written estimate comes before any work begins with no hidden fees. Appointments are taken at any hour.

Question 2: How do you keep mold from spreading while you work in a Long Hill house?

Containment and HEPA filtration. The affected area is sealed off and filtered so spores disturbed during removal do not travel into clean rooms, the colonized material is taken out, the space is dried, and the result is written down. Disturbing growth without containment is what turns one room of work into a whole floor of cleaning.

Question 3: How long will my carpet stay damp after cleaning in Long Hill?

That depends on the season and the carpet. In warm, dry weather most carpet is dry within hours. In winter or humid weather, thick or dense carpet can take up to 48 hours. Upholstery is usually dry in about four to eight hours, longer in cold or humid weather, and a wool rug is dried fully before it goes back down.

Question 4: Is there an office in Long Hill where I can drop off a rug?

No. This is a service area business with no storefront, no street address and no drop off point, so all work is performed at the property, including rug and upholstery cleaning. A person answers at any hour and a crew dispatches to your street, with the technician calling back with an arrival time.

Estimate request

Tell us what happened in Long Hill

Tell us the rooms, the surfaces and the address, and attach a photograph of the affected area if you have one. You receive a written estimate before any work begins, with no obligation.

Written estimate, no obligation Answered any hour at (908) 520-8698 5.0 from 149 Google reviews EPA-registered products, safe for pets and children

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