John Mangini | Warren NJ Listing Agent and Broker
Evidence-Based Real Estate Advisory for Warren Township Homeowners
About
John Mangini
Evidence-Based Real Estate Advisory in Warren, New Jersey. Licensed Since 2002.
With a background in Metallurgical Engineering from Lafayette College and a career spanning commodity trading, I approach the Warren real estate market with a level of technical precision rarely found in the industry. As the Broker-Owner of NextHome Premier, I don't rely on 'gut feelings.' I use data-driven modeling to ensure my clients hit the market with precision.
Experience: Licensed Since 2002
Sale Price to Original List: 97.5% Median (Warren Listings, January 2002 to October 2026)
Sales Volume: $283M in Closed Transactions
Career Total: 290 Closed Transaction Sides
Office: NextHome Premier, 102 Town Center Drive, Warren, NJ 07059
Contact: Direct 732-236-1087 | Office 908-325-5000 | NJ License #0232175
Primary Zip Code: 07059 (Warren Township)
Education: B.S. in Engineering, Lafayette College
WHY HIRE JOHN TO SELL YOUR HOME
Launch pricing, negotiating leverage and a documented process, measured against the Warren record.
What the Data Shows
Garden State MLS sold listings in Warren Township, January 1, 2002 through October 8, 2026, counted by listing agent, one record per MLS number. Comparison set: the seven listing agents with 90 or more sold Warren listings in that span. The percentages use listings with an original list price of $100,000 or more.
Sale price to original list. A median 97.5 percent on John’s 162 sold listings, the highest of the seven.
Sold above original list. 28.4 percent of those listings, also the highest of the seven.
What You Get With John’s Seller Process
Built on data, preparation, and negotiation discipline.
Pricing driven by Warren-specific sold history and real-time buyer demand
A preparation plan that maximizes perceived value before launch
Professional marketing: photography, presentation, and digital distribution
A showing strategy that creates urgency and competition
Negotiation designed to protect your bottom line and terms
Tight contract-to-close management to reduce risk, surprises, and delays
What Clients Say
Consistent themes from verified reviews:
Knowledgeable
Professional
Responsive
Helpful
Clear guidance
Local-market expertise
Strong communication
Above-and-beyond service
Trusted advisor throughout the process
These reviews align directly with the performance data: skilled pricing, strong negotiation, and a smooth, well-managed experience from start to finish.
The Simple Takeaway
Among the seven highest-volume listing agents in Warren since 2002, John’s listings rank first on both sale price to original list and share sold above list. If you want to launch correctly and keep leverage at the table, the record is the reason to call.