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New Office Leases Boost Commercial Activity in Northern New Jersey

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New Jersey, October 20, 2025

Recent office lease agreements in Denville and Millburn underscore RRNNJ’s latest commercial real estate deals. These transactions are expected to invigorate local economies, bringing in fresh business activity and filling previously vacant spaces in significant office buildings. Real Estate NJ highlights the rising demand for professional workspaces in the area, reflecting positive trends in commercial leasing and real estate development.

Denville and Millburn, New Jersey

Recent office lease agreements in Denville and Millburn are revitalizing the commercial real estate landscape in northern New Jersey, filling previously vacant spaces and contributing to local economies.

Key Developments

  • Resource Realty of Northern New Jersey (RRNNJ) has secured five lease agreements across Morris and Essex counties, including two office spaces and three industrial properties. These transactions highlight the sustained demand for commercial spaces in the region.
  • Mancini Duffy, an architecture and design firm, has extended its lease at 374 Millburn Avenue for seven years. The firm plans to renovate the space to accommodate its growing staff and introduce new facilities, reflecting confidence in the area’s commercial viability.
  • Selective Insurance has leased nearly 123,000 square feet for a new headquarters in the Short Hills section of Millburn, indicating strong corporate interest in the area.

Impact on Local Economies

These lease agreements are expected to stimulate local economies by attracting businesses and creating job opportunities. The filling of vacant office spaces also enhances the appeal of Denville and Millburn as prime locations for commercial activities.

Background Context

The commercial real estate market in northern New Jersey has experienced fluctuations in recent years. However, recent lease agreements suggest a positive trend, with businesses seeking to establish or expand their presence in the region. The area’s strategic location and access to major transportation routes continue to make it an attractive destination for companies.

Frequently Asked Questions (FAQ)

What recent office lease agreements have been made in Denville and Millburn?

Recent office lease agreements in Denville and Millburn include:

  • Resource Realty of Northern New Jersey (RRNNJ) has secured five lease agreements across Morris and Essex counties, including two office spaces and three industrial properties. These transactions highlight the sustained demand for commercial spaces in the region.
  • Mancini Duffy, an architecture and design firm, has extended its lease at 374 Millburn Avenue for seven years. The firm plans to renovate the space to accommodate its growing staff and introduce new facilities, reflecting confidence in the area’s commercial viability.
  • Selective Insurance has leased nearly 123,000 square feet for a new headquarters in the Short Hills section of Millburn, indicating strong corporate interest in the area.

How do these lease agreements impact the local economies?

These lease agreements are expected to stimulate local economies by attracting businesses and creating job opportunities. The filling of vacant office spaces also enhances the appeal of Denville and Millburn as prime locations for commercial activities.

What is the current state of the commercial real estate market in northern New Jersey?

The commercial real estate market in northern New Jersey has experienced fluctuations in recent years. However, recent lease agreements suggest a positive trend, with businesses seeking to establish or expand their presence in the region. The area’s strategic location and access to major transportation routes continue to make it an attractive destination for companies.

Key Features of Recent Office Lease Agreements in Denville and Millburn

Feature Details
Number of Lease Agreements Five
Types of Properties Two office spaces and three industrial properties
Notable Tenants Resource Realty of Northern New Jersey (RRNNJ), Mancini Duffy, Selective Insurance
Total Leased Space Approximately 123,000 square feet
Lease Duration for Mancini Duffy Seven years

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NEW JERSEY STAFF WRITER
Author: NEW JERSEY STAFF WRITER

The NEW JERSEY STAFF WRITER represents the experienced team at constructionnjnews.com, your go-to source for actionable local news and information in New Jersey and beyond. Specializing in "news you can use," we cover essential topics like product reviews for personal and business needs, local business directories, politics, real estate trends, neighborhood insights, and state news affecting the area—with deep expertise drawn from years of dedicated reporting and strong community input, including local press releases and business updates. We deliver top reporting on high-value events such as the New Jersey Build Expo, major infrastructure projects, and advancements in construction technology showcases. Our coverage extends to key organizations like the Associated Builders and Contractors of New Jersey and the New Jersey Builders Association, plus leading businesses in construction and legal services that power the local economy such as CMiC Global and Gibbons P.C. As part of the broader network, including constructioncanews.com, constructionnynews.com, and constructiontxnews.com, we provide comprehensive, credible insights into the dynamic construction landscape across multiple states.

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