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Demarest is a quiet, affluent Bergen County borough of approximately 5,000 residents that has maintained a low-key suburban character despite its proximity to major urban centers. The borough’s wooded terrain, generous lot sizes, and excellent school system have made it a desirable if understated address for families who prioritize quality of life and educational opportunity over commercial amenity and urban convenience. Demarest is a quite community; and its residential streets have a peaceful, almost rural character unusual for a community just 15 miles from Midtown Manhattan.

Demarest’s housing stock spans a wide range of eras rather than a single build period. The borough was incorporated in 1903 and grew up around a rail line that reached the area in 1859, and later decades filled in the wooded lots with the split-levels, Colonials, and ranches typical of Bergen County. The terrain is gently rolling, with mature hardwood and evergreen trees providing privacy and seasonal color. Northern Valley Regional High School at Demarest — which serves students from Closter and Haworth in addition to Demarest — is one of Bergen County’s highest-rated public high schools, a significant draw for families throughout the Northern Valley region.

For home buyers, Demarest’s well-maintained housing and stable community make it a reliable market. Because the housing is mixed in age, the inspection concerns vary considerably from one street to the next.

What a home inspection looks at in Demarest: Radon deserves particular attention here. The New Jersey Department of Environmental Protection places Demarest in Tier 2 of its municipal radon potential ranking, based on testing of 1,088 homes in the borough, roughly nine percent of which returned concentrations at or above the EPA action level of 4 pCi/L. Tier 2 is a moderate-potential designation, not a low one, and a clean result in a neighboring house tells you nothing about the house you are buying. Arrange radon testing before the expiration of your inspection contingency.

Water management is the second recurring theme. The Tenakill Brook runs through the center of the borough and widens at the Duck Pond, and Demarest’s rolling terrain means surface water on many lots has to be directed rather than simply absorbed. On properties near the brook corridor, or sitting at the low point of a grade, we look closely at lot grading, downspout discharge, foundation penetrations, and any evidence of past moisture in a finished basement.

Because Demarest was incorporated in 1903 and grew up around the old Northern Railroad line, its housing stock is genuinely mixed in age rather than uniform. Older homes here may still carry original electrical service, cloth-insulated branch wiring, or a heating system well past its useful life. Deficiencies of that kind may be expensive to correct, and each one warrants evaluation by the appropriate licensed professional before the expiration of your inspection contingency, so you know the full scope while you still have the ability to act on it.

Key neighborhoods and areas: Key residential areas include the neighborhoods along Hardenburgh Avenue and Serpentine Road, the properties adjacent to the Northern Valley Regional High School campus, the wooded streets of the borough’s northern section near the Harrington Park border, and the established neighborhoods surrounding Old Hook Road.

Community & market context: Demarest has no active passenger rail service. The Northern Railroad line through the borough carried its last passengers in 1966, and the former depot — purchased by the borough in 1977 — now houses the senior center and the Demarest Historical Society. The borough is served by nearby NJ Transit bus routes, and is approximately 15 miles from Midtown Manhattan via the George Washington Bridge. The median list price for a home in 2026 is $ 2,368,000 (source Realtor.com) for single-family homes, with the Northern Valley school district driving strong demand.

Demarest home inspections consistently reveal concerns consistent with the borough’s mid-century construction era. Radon is a primary concern — northern Bergen County’s geology produces elevated radon concentrations, and Michael recommends testing at every Demarest inspection. Oil heating systems are common in the borough’s older homes, with both aboveground basement tanks and some underground tanks present in properties from the 1950s through 1970s; Michael evaluates all accessible tank components and recommends oil tank sweep services where tank location or condition is uncertain.

Well water is used by some Demarest properties in the borough’s less-developed northern sections — comprehensive water quality testing is recommended for any property not served by public water. Roof systems and HVAC equipment on homes from the 1960s and 1970s are frequently approaching or at end of service life, and Michael documents their condition and estimated remaining service life in his reports to allow buyers to negotiate appropriate credits or repairs.

No matter what Michael finds, his job is to give you a complete, honest picture of your Demarest property — so you can negotiate from knowledge, not guesswork. Schedule your inspection today.

Your Inspector: Michael Del Greco, CMI

How long does a home inspection in Demarest take?
Most Demarest home inspections take 2.5 to 4 hours depending on the size, age, and condition of the property. Older pre-war homes and larger properties typically take longer. See our full FAQ.

Should I be present for the inspection?
Your presence is required at the inspection. Walking through the home with your inspector is one of the most valuable things you can do as a home buyer. Here are questions to ask during the inspection.

Do you offer radon testing and other add-on services?
Yes. In addition to a standard home inspection, we offer additional services such as radon testing, WDI inspection, septic inspection, oil tank search, lead paint testing, and sewer scope — all especially useful for Northern New Jersey properties. These can be added when you schedule, and results are processed by certified professionals and included with your inspection report.

How do I schedule a Demarest home inspection?
Call our office at (973) 812-5100 or use our contact form. Our office staff answers the phone and can typically schedule within 24–48 hours.