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Featured Agents in Holtsville, NY

Kevin Collins profile picture
Realty Connect Usa L I Inc

Kevin Collins

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13years of experience
73sales in the last 12 months
Prime Agent Badge
PRIME AGENT
Regina Booker profile picture
Sotheby's International

Regina Booker

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1year of experience
5sales in the last 12 months
20transactions all-time
Jennifer Shanahan profile picture
Century 21 Princeton Properties

Jennifer Shanahan

1 review
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10years of experience
17sales in the last 12 months

Compare 15 top-performing real estate agents in Holtsville, NY

Douglas Elliman Real Estate

Caroline Sweezey

20 years of experience
7 sales in last 12 months
Serves Holtsville

About

Beyond my many years of experience and building a stellar reputation, my most valued clients have garnered me with 5 star reviews, and in the end, this is all that matters to me: that my commitment to client satisfaction is swift and as professional as possible.

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Achievements

Bachelor's Degree
Business Administration

ABR

Business Highlights

Buyer Representative, Concierge Services, Condominiums, First Time Buyers

Fortune Realty Of L.i.

Jonathan Kaiser

Completed Profile
68 reviews
Open 24 hours
Usually responds in 5 minutes
Prime Agent Badge
PRIME AGENT
21 years of experience
25 sales in last 12 months
1,052 transactions all-time
Serves Holtsville

About

Jonathan began working at his family's Real Estate, Fortune Realty of L.I. in 2009 and has been a licensed Realtor since 2005. Jonathan believes in honesty, integrity, and transparency. Throughout his career, Jonathan has connected hundreds of homebuyers with their dream home. With his personalized approach to service, creative thinking, and strong knowledge of the real estate industry, Jonathan is always working to secure the best outcomes for his clients. He has sold hundreds of homes, and he is consistently earned a reputation for being a top Realtor who negotiates tirelessly on behalf of his clients. Jonathan is dedicated to nurturing strong relationships with his clients built on trust and reliable guidance. Rather than high-pressure sales techniques or gimmicks, Jonathan offers strategic and straightforward advice to help his clients achieve their goals. Jonathan is fully invested in the sale of your home and ready to go to work for you with high energy, passion and enthusiasm.

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Achievements

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Top Company Agent 2025
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Top Negotiator 2025
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Sells Homes Fast 2025

Top Agent in Office 2009-2023

Bachelor's Degree, University at Buffalo
Communication

Jonathan Kaiser's Video

Coldwell Banker American Homes

Helene D Mandzik

Completed Profile
7 reviews
Open 9:00 AM - 9:00 PM
Usually responds in 1 hr
Prime Agent Badge
PRIME AGENT
38 years of experience
43 sales in last 12 months
Serves Holtsville

About

Helene Mandzik, Real Estate Agent and Broker, has been serving Long Island Buyers and Sellers for over 30 years. Real Estate is quite literally in her genes, beginning with her great grandfather and Broker, Thomas Thyer in 1938. After years of studying business at Queensborough College , Helene began working the Real Estate circuit in 1982 in Queens NY and has dominated in her listing and sales numbers as she endeavored to share her wealth of Real Estate knowledge with local homeowners and buyers. Currently, she works with Little Bay Realty , and she continues to serve the greater Long Island region and is one of the top agents in her local area. She specializes in all aspects of Real Estate including Residential, Seasonal, Commercial, Senior Living etc... She is incredibly reliable and trustworthy and when working with new buyers and sellers, she always makes the real estate transition as accommodating as possible to meet each clients specific needs and expectations.

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Achievements

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Top Producer 2025
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Top Buyer's Agent 2025
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Top Listing Agent 2025

Top producer

Queensborough CC

Business Highlights

Buyer Representative, Condominiums, Farm/Ranch, First Time Buyers
Has been serving Long Island Buyers and Sellers for over 30 years.

Unique Home Sales

Ruben Yosopov

Open 24 hours
2 years of experience
40 sales in last 12 months
Serves Holtsville

About

"Teamwork, creativity, passion and love for real estate are what motivate me to achieve great results both in my personal life, and in the competitive world of real estate," says Ruben. "Purchasing or selling property is an emotional process which requires the help of a caring, dedicated agent like myself to reach the desired outcome, and my goal is to always exceed your expectations."

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Achievements

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Top Buyer's Broker 2025
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Top Listing Agent 2025
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Top Buyer's Agent 2025

Business Highlights

Buyer Representative, Luxury Properties, Relocation

Re/max Best

Rudy And Diane Aversano

19 years of experience
Serves Holtsville

About

I come from sales.I was running a marble factory when I was 21.After that,I went to work in the music industry as an agent in Manhattan at a top agency.That's when my unique & strong sales ability started to shine,dealing w/ famous,powerful,wealthy, people putting together contracts & concert tours for bands.I made VP of the co. After many crazy,exciting,stressful yrs,Diane & I got married & began a family.We decided to leave the music industry & start a maintenance co.Within 2yrs we built a successful maintenance corp with Lg accounts,many employees&trucks.After 12yrs,we had 3 Kids&cashed in on what we built(PMS-Perfect Maintenance Service)Time to do RealEstate! We joined RE/MAX. We built a team.Once we accomplished that,we opened our own company.After 17 yrs of success,I still love negotiating deals every day.With my wife by my side we have become a dynamic&successful team while having fun.RealEstate has been good to us&we would like to opportunity to show you what we can do for you.

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Achievements

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Top Listing Agent 2025
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Top Producer 2025
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Top Lake Ronkonkoma Agent 2025

Lifetime Achievement

A-REO, ABR, CBR, CDPE, CRES, REALTOR®, SFR, SRES

Business Highlights

Condominiums, Distressed Properties, First Time Buyers, Military (relocation)
Born and raised in the area with intimate knowledge of the region
Top negotiator who works for our homeowners!
Proudly serving the community since 2004

We've introduced over 4,940,482 buyers and sellers to top local real estate agents in the past 15 years

  • R V

    "The service was great and the recommendation of the realtor was fantastic. The realtor was fair and honest he gave me a very reasonable selling price and follow the listing all the way through. The house sold within the first week."
    Rita V. from Tennessee / Sold a home using RealEstateAgents.com
  • A C

    "I used the website to identify potential agents in the new city I was moving too. I ultimately went with one of the recommended agents and had a very smooth home buying process."
    Alexis C. from Iowa / Bought a home using RealEstateAgents.com
  • R J

    "My realtor was very professional in every aspect of the sale. My house sold within a week. She called or texted me through out the whole process."
    Ruth J. from Ohio / Sold a home using RealEstateAgents.com
  • S M

    "We found an excellent Realtor, who guided us through the sale and did an excellent job along the way."
    Steve M. from Florida / Sold a home using RealEstateAgents.com
  • J B

    "Very professional, we had a great experience."
    Jon B. from Wisconsin / Bought a home using RealEstateAgents.com
  • S K

    "The agent you recommended was fantastic. He stayed in touch throughout the process. He kept us informed every step of the way. The sale was quick and couldn't have gone smoother. Would definitely recommend to anyone else and will definitely use in the future if needed."
    Stanley K. from Indiana / Sold a home using RealEstateAgents.com
  • J L

    "Great realtors. My home sold in five days!"
    Joe L. from Illinois / Sold a home using RealEstateAgents.com
  • B W

    "My selected agent was very thorough, professional, and attentive to my needs. He was absolutely the BEST!"
    Bonnie W. from Indiana / Sold a home using RealEstateAgents.com
  • J S

    "Had issues with the title company, which agents handled."
    John S. from Arizona / Sold a home using RealEstateAgents.com
  • J H

    "We had a very unique situation... My sister and I live in different states and the house belonged to our deceased Mother... Service was great could not have been any better..."
    Joe H. from Texas / Sold a home using RealEstateAgents.com

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