Bergen County

Water damage restoration, mold remediation and cleaning in Hillsdale, NJ

Hillsdale is a borough in Bergen County, New Jersey, incorporated in 1898, and the whole of it sits inside the service area for water damage restoration, structural drying, mold inspection and remediation, carpet and rug cleaning, upholstery cleaning, air duct cleaning and chimney sweeping.

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 Saddle River Overpeck Creek Hillsdale Bergen70 towns
Eight counties, 228 towns. Bergen County, 70 towns.

Service details · Bergen County

Services

What we handle in Hillsdale

About our service in Hillsdale

Appointments are taken at any hour. A person answers, a crew dispatches to your street, and the technician calls back with an arrival time.

Hillsdale recorded 10,143 residents at the 2020 census, across 2.90 square miles of land and 0.04 square miles of water, with 3,635 housing units recorded and 3.7 percent of them vacant. The Blauvelt-Demarest House and Beechwood Park stand inside the borough, and the name comes from a setting described as a dale among the hills. Every service is performed at the property. There is no storefront, no street address and no drop off point, and nothing is taken away to be cleaned. A written estimate comes before any work begins, with no hidden fees.

Water in a basement and what drying it involves

Water finds the lowest floor in a building and stays there, and the first job is grading it. Category and class are assessed to the ANSI/IICRC S500 standard before anything is moved, because clean supply water, water that has passed through an appliance and water carrying sewage each call for a different plan. Extraction follows the assessment, drying follows extraction. Carpet pad is the part that holds water long after the face feels dry, so it is lifted and read rather than trusted. Structural drying is sized to the wet material and stops when the readings at the fixed monitoring points come back to normal.

The housing stock recorded in Hillsdale

Hillsdale took form in the mid to late 19th century, as land speculators led by David P. Patterson laid out subdivisions ahead of the railroad, and 3,635 housing units are recorded in the borough with 3.7 percent of them vacant. That is the count, and the method on any one visit comes from the floor itself rather than from a census line. Carpet is cleaned by hot water extraction with the method matched to the fiber, upholstery is cleaned to its W, S, WS or X code, and a wool rug is dried fully before it goes back down. Stairs, edges and corners are worked by hand.

Extraction before anything else

Extraction is the step that decides how long everything after it takes. Every gallon pulled out with a wand or a weighted extractor is a gallon a dehumidifier never has to pull out of the air. On a wet carpet the pad is checked first, since a pad can hold water for days under a face that feels dry to a hand. Hard surfaces are squeegeed and vacuumed, baseboards are checked at the bottom edge, and water that has run under a door is traced to where it stopped.

What comes out and what stays is settled by the grade of the water, not by how it looks. Category and class are assessed to the ANSI/IICRC S500 standard before anything is moved, and a category 3 loss means the porous material that drank it leaves the building. Pad under soaked carpet is usually a loss, while the carpet above it can often be saved. Cabinet kicks, closet corners and the cavity behind a baseboard are opened where readings say water went in.

Drying, and the meter that ends it

Drying is air movement, dehumidification and heat applied to specific wet materials, not a pile of fans left in a room. Air movers are angled to skim the surface of the wet floor so the boundary layer of damp air keeps moving, and the dehumidifier takes that moisture out of the room rather than pushing it down a hallway. A lower level is cooler and damper than the floors above it, so equipment placement there matters more and the drying generally takes longer.

Fixed monitoring points are marked at the start, usually in the wettest material and in dry material nearby for comparison, and the same points are read on every visit. A pin meter reads into wood or drywall, a pinless meter sweeps a surface without marking it, and both are compared against the dry reference. Structural drying stops when those readings come back to normal, which is a meter reading rather than a fixed number of days. Equipment leaves when the numbers say so.

Mold, containment and the written result

Mold grows where material stays wet, so the inspection looks for the water before it looks for the staining. A moisture meter and a careful look behind baseboards, under sinks and at the bottom of a finished wall usually find the source. Where remediation is needed, the work runs under containment with HEPA filtration so spores and dust stay in the work area. The colonized material comes out, the space is dried, and the result is written down.

Drying the space is what keeps the result in place, because material that is dry does not support growth. Air duct cleaning is a separate service and is handled separately, as is carpet, rug and upholstery cleaning. Whatever the job, a written estimate comes before any work begins, with no hidden fees, and the readings and the outcome are recorded for you to keep. Appointments are taken at any hour, and all work is performed at the property.

Service area

Where in Hillsdale

The whole borough is covered, every address inside ZIP code 07642, including the southeast end where a small portion of the Woodcliff Lake Reservoir lies and Church Road follows the south end of the spillway. Carpet, rug and upholstery cleaning is offered across the same area by the same team.

ZIP code covered in Hillsdale: 07642.

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.

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

Leo and Christian did an outstanding job from start to finish. They gave thoughtful, honest advice about what was best for my home, offered a more than fair price, and handled the work with care. I’d absolutely recommend them to anyone in need of remediation services.

Jereme Johnson · · a year ago · Google

Frequently asked questions

Questions from Hillsdale customers

Question 1: A pipe burst and soaked the carpet in my Hillsdale house. What happens first?

The category and class are assessed to the ANSI/IICRC S500 standard before anything is moved. Standing water is extracted, the pad is checked because it holds water long after the face feels dry, and air movers and dehumidifiers are set to the wet material. Drying stops on meter readings at fixed monitoring points, not on a calendar, and you get a written estimate before the work begins.

Question 2: I can smell something musty in a Hillsdale basement. Is that mold?

An odor is a reason to inspect, and an inspection is how it gets settled rather than a guess. If growth is found, the work runs under containment with HEPA filtration, the colonized material comes out, the space is dried, and the result is written down and handed to you. Drying the source of the moisture matters as much as removing the material, because a dried space is what keeps growth from returning.

Question 3: How long will carpet take to dry after cleaning in Hillsdale?

Drying time 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. A fabric sofa is usually dry in about four to eight hours and longer in cold or humid weather, and a wool rug is dried fully before it goes back down.

Question 4: How do I book a visit in Hillsdale, and will I get something in writing?

Appointments are taken at any hour. A person answers, a crew dispatches to your street, and the technician calls back with an arrival time. A written estimate comes before any work begins, with no hidden fees, and on drying and mold work the readings and the result are written down for you to keep. There is no storefront and no drop off point, so the work happens at your property.

Estimate request

Tell us what happened in Hillsdale

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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