Justin Greenberg - The JG Group at Jameson Sotheby's International Realty

Justin Greenberg - The JG Group at Jameson Sotheby's International Realty Justin Greenberg leads The JG Group & is widely recognized for deep expertise in the Northbrook real estate market.
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Known for strong negotiation skills & record-setting luxury sales, he also hosts Windy City Unlocked, spotlighting local homes & businesses Justin began his career in real estate with what was Koenig & Strey in the spring of 2007. During a time when many long time agents were leaving the business, Justin took advantage of an opportunity to learn every aspect of the business in order to smoothly co

ordinate successful transactions in a tough market. He obtained his Short Sale and Foreclosure Resource Certification in the fall of 2009 and has received the Five Star Real Estate Professional Award every year since 2012. Within KoenigRubloff, Justin has worked as a technology trainer, Assistant Managing Broker of three offices, and most recently the Vice President and Managing Broker of two branches before returning to sales full time. In his free time, Justin enjoys staying active whether it’s training for his next Tough Mudder or practicing his flop shot at the driving range while getting ready for his next golf tournament. Justin recently took up flying lessons for those clients who need a "broader view" of the market. To go along with his friendly and outgoing personality, Justin brings strong ethics and integrity to the table. He believes in being honest up front, even if it sometimes means turning down business if it’s not in client’s best interest to go forward. His testimonials show that he goes above and beyond for his clients to ensure total satisfaction. His creative background, and past endeavors in starting a new real estate technology company enable him to think outside of the box and come up with new and innovative ideas not only in marketing his listings, but finding ways to negotiate and put deals together. Justin is always up to date on the newest and latest tech trends and figuring out ways to apply them to his business. Justin's passion for the business is evident when you work with him. You can feel confident that after you work with Justin, you'll see that his dedication is to you, not "the deal." His goal is to help you, not just once, but whenever you need real estate assistance, and to build a lifelong relationship based on mutual trust and understanding.

05/31/2026

In case you missed it, our pizza episode of Windy City Unlocked is now available to watch! 🍕🎥

Join us as we explore some of Chicagoland’s favorite pizza spots, meet the people behind them, and discover what makes each one special.

Watch now using the link below or on the American Dream TV App:
https://bit.ly/4o9TdDB

Don't forget to tune in tomorrow for a brand-new episode of Windy City Unlocked! 🍕This time we're diving into Chicago's ...
05/31/2026

Don't forget to tune in tomorrow for a brand-new episode of Windy City Unlocked! 🍕

This time we're diving into Chicago's iconic pizza scene, meeting the people behind some incredible local spots, and uncovering what makes each slice unique. Whether you're a deep-dish loyalist or a tavern-style fan, this is an episode you won't want to miss.

Set your reminders, grab a slice, and join us tomorrow!

05/29/2026

This Sunday, Windy City Unlocked takes a deep dive into one of Chicago's favorite topics: pizza. From neighborhood staples to iconic destinations, we hit the road to meet the people, hear the stories, and, of course, taste some incredible pies along the way.

Tune in to WCIU on Sunday, 5/31 at 10:30 AM CST, or stream anytime on the American Dream TV app. This episode is packed with great food, passionate business owners, and a look at the pizza spots that help make Chicago one of the best food cities in the world.

05/28/2026

A lot of sellers think buyers are judging the house. In reality, buyers are often judging the seller.

As buyers walk through a home, they're looking for clues. Has the home been maintained? Has it been cared for? Do the sellers take pride in ownership? Every detail contributes to the level of confidence a buyer feels when deciding whether or not to make an offer.

And buyers, here's something many people forget: sellers are listening.

With doorbell cameras, security systems, and smart home technology, it's more common than ever for sellers to hear what buyers are saying during showings. In fact, I recently had a situation where my clients won in a multiple offer scenario because they were complimenting the home while another buyer was openly criticizing it.

Was that the only reason? Probably not. But when sellers are choosing between strong offers, personal impressions can absolutely matter.

The lesson for sellers is that presentation matters. The lesson for buyers is to be respectful and remember that someone is listening more often than you think.

Real estate is about people just as much as it's about property.

05/27/2026

Thank you to everyone who joined us for the Windy City Unlocked watch party at Wildman BT 🖤🍕

Seeing Wildman BT filled with great people, great conversations, and an amazing atmosphere was exactly what this event was all about.

A huge thank you to Wildman BT for hosting us and providing such an incredible space for the community to come together. Thank you to Chef Brandon Rogers for helping co host and bring great energy to the episode, for being one of the sponsors that helped make it all possible, Putter Bird for bringing the mini golf setup that everyone had a blast with throughout the event, Butter and Vine for catering the event and keeping everyone fed, and for the cutest drink setup.

These are the kinds of events we love most, bringing people together, supporting local businesses, and creating moments where community happens naturally.

showsnetwork







Testimonial Tuesday ⭐⭐⭐⭐⭐Buying or selling a home is exciting, but it can also come with unexpected challenges along the...
05/26/2026

Testimonial Tuesday ⭐⭐⭐⭐⭐

Buying or selling a home is exciting, but it can also come with unexpected challenges along the way. What matters most is having the right team in your corner when those moments happen. From day one, our goal is always to make sure our clients feel informed, supported, and confident throughout the entire process.

We’re incredibly grateful for clients like Chuck who trusted Justin and The JG Group during such an important move. After receiving multiple strong offers and going under contract quickly, an unexpected sprinkler pipe break could have easily created major stress for everyone involved. Instead, Justin stepped in immediately, helped coordinate the repair process, kept communication flowing between all parties, and made sure both the sellers and buyers stayed calm and confident throughout it all.

Real estate is about more than getting to the closing table. It’s about problem solving, relationships, experience, and knowing how to navigate situations when things don’t go perfectly according to plan. We’re proud to have helped keep everything on track while still meeting the original closing date.

A huge thank you to our amazing clients for the trust, support, and kind words. Helping people through moments like these is exactly why we do what we do.

05/23/2026

A huge thank you to every pizza place that helped make Episode 3 of Windy City Unlocked possible. 🍕🔓

This episode was about more than just pizza. It was about the stories, the people, the passion behind every kitchen, and the communities that make these places so special. Every stop brought a completely different experience, and we’re incredibly grateful to everyone who welcomed us in and allowed us to showcase what makes Chicago’s pizza scene one of the best in the world.

Thank you to for helping us experience the city through such an iconic lens, and thank you to , , , , , and for being part of this journey. Your hospitality, energy, and dedication to what you do made this episode unforgettable.

One of the best parts of creating Windy City Unlocked is getting the opportunity to highlight amazing local businesses and the people behind them. We’re proud to share these stories and even more excited for what’s coming next.

Chicago pizza culture is different, and this episode is proof of that. 🍕

05/22/2026

One of the most underrated ways to grow is simply being willing to ask questions.

Too many people walk into a room trying to prove they’re the smartest person there, when the real value comes from being around people who have experiences, perspectives, and knowledge you don’t have yet. Whether it’s real estate, investing, business, or life in general, one meaningful conversation can completely shift the way you think.

The best conversations are usually the ones where you listen more than you talk. Ask questions. Stay curious. Learn from people who have already been through it. There’s no shortcut that replaces experience, and being around the right people can accelerate your growth faster than almost anything else.

In real estate especially, perspective matters. Markets change, strategies change, and every deal teaches you something new. That’s why surrounding yourself with intelligent people who challenge you and educate you is so important. Nobody is an expert on everything, and the people who continue to grow are the ones who are always willing to learn.

You don’t have to be the smartest person in the room. You just have to be smart enough to recognize when there’s something to learn.

05/20/2026

You don’t get a second first week on the market.

Every seller wants to “test the waters,” but the reality is the most serious buyers are watching the moment your home hits the market. They notice when a property is fresh, and they notice when it sits.

Once days start adding up, buyers begin asking questions:
“What’s wrong with it?”
“Why hasn’t it sold?”
Even when nothing is actually wrong.

The first week creates momentum, urgency, and competition. Price and strategy matter more than most people realize because you don’t get that first impression back.

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2934 Central Street
Evanston, IL
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