Leonard Stern Contact Details, Email Address, Fan Mail Address and more information are given right here in this article. Leonard Stern is American philanthropist and billionaire businessman. He was born on March 28, 1938,
If you’re looking for a way to reach Leonard Stern, you’re probably a fan of his remarkable business journey. Best known as the chairman of Hartz Mountain Industries and for building one of America’s most successful privately held real estate companies, Stern has spent decades shaping the business world while staying largely out of the public spotlight.
Because he values his privacy, you won’t find personal contact details online, but there are still a few official avenues for sending correspondence. So, let’s have look all the possible contact details of Leonard Stern like Email Format, Contact Number, Fax Number, Office Phone Number, Residence Address, Residence Landline Number, Office Address, and More. All the contact details are official and taken out from his official website.
Leonard Stern Office Address Details
The office address details of Leonard Stern is given here. The office address is 400 Plaza Drive PO Box 1515 Secaucus, NJ 07094 United States. This address is also used as mailing address. To send your query letter, you have to use the given address.
Leonard Stern does not have a publicly listed personal fan mail address. However, if you’d like to send a letter of appreciation or an autograph request, the most appropriate public mailing address is his company’s headquarters:
Leonard Stern
Chairman
Hartz Mountain Industries, Inc.
400 Plaza Drive
Secaucus, NJ 07094
United States
While many people use this address for business correspondence, fan mail may also be sent here. Keep in mind that all incoming mail is typically handled by company staff, so there’s no guarantee it will reach Mr. Stern personally. Here we don’t have any house address or residence address details of Leonard Stern.
Leonard Stern Contact Details
To make direct contact with Leonard Stern, you have to must use his official contact details. The office landline number is 1-201-348-1200. You can make contact with him from your own place. The office fax number does not exist.
Leonard Stern’s personal phone number is not publicly available. The publicly listed main office number for Hartz Mountain Industries is:
Phone: 1-201-348-1200
This is the company’s main switchboard and should not be considered Mr. Stern’s direct telephone number. If you are seeking for his residence landline number or personal contact number, then it is not available with us.
How do I get an Autograph from Leonard Stern?
How to get an autograph from Leonard Stern? Getting an autograph from your favorite celebrity by mail is a common practice in the United States. How does it work? Well, it’s easy, you just have to prepare a request letter and send it to the Fan Mail Address of Leonard Stern. The Fan Mail Address is listed here: 400 Plaza Drive PO Box 1515 Secaucus, NJ 07094 United States.
Moving to the next common query, how to write the autograph request letter? So, it is simple, just mention your request, if you wish to add a few lines of appreciation, you can do that also. Also include the item you need to be signed like a picture, a postcard, or a card along with an envelope with your own self-address, well stamped to speed up the response time from his Office.
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Leonard Stern Official Website and Email Address
Please read here to get the official website details of Leonard Stern. The official website is www.hartzmountain.com. The email address details of Leonard Stern is not available with us.
As of 2026, no verified personal email address for Leonard Stern has been made public. Hartz Mountain Industries does not publish a direct executive email address, so it’s best to avoid websites claiming to offer his private email. If you have a legitimate business inquiry, use the contact information provided through the company’s official channels.
Fast Facts About Leonard Stern
Leonard Stern is an American billionaire businessman who transformed Hartz Mountain Industries from a family-owned pet products company into one of the country’s leading real estate development firms. He is also well known for his philanthropic support of education, with New York University’s Stern School of Business bearing his family name.
Despite his business success and charitable work, Stern has consistently maintained a low public profile, preferring to focus on his companies rather than media attention. That’s one of the main reasons why verified personal contact information has never been publicly released.