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Client Testimonials
Jon Flagg

He was far and away the best realtor we have ever had. Jon has a casual, easy going manner, is one of the most ethical people you will ever meet, and his breadth and knowledge of the local real estate market is most impressive. He is tireless in his pursuit of finding you the right home at the right price. The supportive data Jon submits with an offer is exceptional, and he is a maestro at negotiations.
123 Via Koron, Newport Beach
There’s a reason Jon Flagg is Lido Isle’s top real estate agent. We recently listed our home with Jon. He masterminded our sales strategy, marketing material, open houses, showings, inspections, multiple offers…and a successful 30 day escrow. He accomplished all of this with our big, busy family in and out using every square inch of our home. We are grateful for his efforts on our behalf. Jon is highly professional and has an exceptional knowledge of the real estate market. He is always accessible, never pushy and we found him to be a real pleasure to work with.
121 Via Waziers
My mom made me promise that when we sold the house Jon Flagg would sell it. As one of my brother’s inner circle in childhood, she knew him since he was a boy and was so proud of all his success. My mother was a great judge of character. Thank you, Jon for going on this emotional journey with us. You definitely eased the pain.
3237 Washington, Seller
Jon is the best! We wouldn’t work with anyone else! He made selling our home and buying our second one enjoyable. He is consistently positive, easy going, and worked around our crazy schedule with no pressure. He is 100% honest and straightforward. There is no one else like him!
704 Via Lido Nord, Seller
Jon is the most easy going person we have ever dealt with. He assisted greatly in preparing the home for sale and once on the market, Jon always gave us ample time before showings, appointments and Open Houses. He always went the extra mile for us from listing to closing. I would never think of choosing anyone else to represent us if we were buying/selling another home in OC. More importantly Jon is a good person and has become a dear friend.
219 Via Koron, Seller
I have been involved with multiple residential real estate transactions with Jon Flagg and will definitely call upon his services for my next one(s) ! As a single Mom, it is so important to be able to trust and lean on someone in a professional AND personal manner. Jon provided me with a sense of security and the utmost in professional residential home sale/ buying knowledge and service. When things got " challenging" he juggled all the balls in a very smooth and timely manner. We are thrilled with our new home that Jon led us to, and recommend him 100%- it doesn't hurt that he's also a pleasant and fun guy to work with!
304 St. Andrews Road, Newport Beach
Jon Flagg is a top notch agent who specializes in Lido Isle properties. With Jon's knowledge of the area of high end luxury Newport Beach, he understands current and historic values, market trends and is a natural at negotiation. Jon has a positive respectful leadership style and managed our purchase from start to finish with professionalism and care. Our transaction went very smoothly despite the complexities of an REO Seller and he was able to negotiate the best price for the area. I would highly recommend Jon and pleased to have him on our team for future real estate endeavors.
Lido Isle, Buyer
Jon Flagg is an exceptional agent, exceeding our expectations by professionally and seamlessly managing every step of the process including preparation for sale, marketing, negotiations, repairs, escrow and post-sale activity while proactively providing psychological support keeping emotions in check. Jon’s deep knowledge of the real estate market, price setting wisdom, and negotiation skills enabled us to obtain a record price for our Lido Isle home. If you enlist Jon’s services and listen to his sage advice, then you will be happy with your new home or the size of your new bank account.
805 Via Lido Nord, Seller
I HIGHLY recommend Jon Flagg to both buy and sell a home! He worked diligently to see our escrows through to the close as we were faced with several obstacles. He kept things moving forward and was always available when we needed to speak with him. He has an impressive attention to detail and will really and truly go above and beyond for his clients!
226 Via San Remo, Newport Beach
Thank you Jon for all your help and expertise. You’re definitely the best realtor we’ve ever worked with!
633 Via Lido Soud
You will not find an agent who is a better advocate for his clients! Jon is honest, smart, hardworking, knows the business... the list goes on and on. He's handled 6 transactions for us over the years. (4 buys & 2 sales - 2 of which he represented both sides - fairly & with integrity) Each time he amazes by going above and beyond. He is an all around good guy & I wouldn't consider having another agent on my team. Simply put - there is none better than Jon Flagg!
Buyer & Seller
Jon is an outstanding agent. He is exceptionally responsive, professional, detail oriented and knowledgeable. He provided us with a well-considered marketing and pricing strategy that gave us complete confidence in his ability to sell our house. Jon’s marketing materials were top notch and included beautiful color brochures with captivating photographs and a sophisticated web site unique to our house. Jon was exceedingly effective in negotiating the sale and was equally adept in handling the escrow. Moreover, Jon is extremely personable, is a superb communicator, and is always accessible. We would definitely use Jon again and we highly recommend him.
236 Via Mentone, Newport Beach
For an agent of one company to provide a recommendation to a potential client for an agent with another company - that’s HUGE. Here’s a snapshot of Jon: honest, ethical, thorough attention to detail, professional, excellent negotiator and very importantly - calm in a storm. He will always be on my “A” list of professional agents I would do business with or partner on any project. Jon’s professionalism and courtesy gives him an excellent reputation.
1519 Bonnie Doone Terrace, Corona del Mar
When my wife and I decided to move to Carmel full-time in 2014, Jon did a great job of marketing our home and found a reliable renter. He stayed connected to us and the property and took care of little things that came up, thereby saving us the need to travel to Newport to deal with them. When we decided to sell our home, Jon did an outstanding job of realistically and accurately helping us price the home, then he did a great job of marketing it, resulting in a quick sale at the top of our price range. Every step of the way, Jon was a consummate pro and his expertise saved us countless headaches and multiple trips. Jennifer and I highly recommend him.
107 Via Koron, Seller
To have Jon Flagg in your corner is to have all of the advantages. He works faithfully and vigorously for the best interest of the client at all times.
157 Chiquita, Laguna Beach
I am so very fortunate and blessed to have had you by my side during one of the most important decisions in my life.
1311 Circle Way, Laguna Beach
Jon, I would like to sincerely thank you for your fast and efficient handling of the sale of my house.  Considering the time constraints that I was dealing with, your negotiating of a great price and a closing within one month was amazing.  It is not suprising that you are a top agent here on Lido Island.  Although we are moving out of the area, I would highly recommend your services, your friendliness and your thorough knowledge of our local real estate market.  Again,  I can't thank you enough.
129 Via Jucar, Seller
My experience working with Jon was an A+. He made the selling of my house painless and guided me through the escrow process. He is very knowledgeable regarding the Lido Isle real estate market and was very gracious when answering all my questions. I would highly recommend him for all your real estate needs. 
217 Via Mentone, Seller
What a joy it was working with Jon and his son, Kyle! We sold a house on 16th Place in Costa Mesa and bought a new home in North Tustin during the holiday season with an amazingly quick and painless turn around. The Flaggs handled everything from staging to marketing, from selling to buying with grace and expertise. They were incredibly considerate and dependable and helped us to achieve what many thought was impossible! Their pricing strategy and negotiating skills are exceptional. And, they have unparalleled experience and character. This was our second time working with Jon and we would absolutely secure his services again!
486 16th Place, Seller & 13091 Flint, Buyer
Jon is 5 star in all regards.  We recently relocated from NorCal to Newport Beach.  As we searched for an agent, we noted Jon’s experience and expertise (and great reviews) for properties on Lido Isle and environs.  So glad we hired him. He guided us through this tough market where the housing inventory for sale was at record lows. He helped us stick to our criteria while remaining patient….not so easy.  He was consistently “on the job” and super efficient responding to our questions and offering updates on the market.   Easy to work with in all regards.  In the end, we did indeed find a new home that exceeded our expectations. Kudos to Jon!
2591 Vista Drive, Buyer