
About Joan Bischoff
Associate Broker - Greenport Office
Licensed as Joan H. Bischoff van Heemskerck
120 Front Street, Greenport, NY 11944
Email: Joan.Bischoff@raveis.com | Cell: 631.948.0234
Professional Specialty
Joan Bischoff van Heemskerck, Esq. specializes in high-value real estate transactions, particularly in second-home, resort, and international property markets. His unique combination of legal expertise and strategic global marketing allows him to guide clients through complex deals with confidence. Joan offers clients a tailored approach, whether they?re buying or selling luxury homes, second properties, or navigating international markets. The merger with William Raveis Real Estate provides access to an expanded national market, further enhancing Joan?s ability to serve both local and international clients. William Raveis Real Estate Merger (January 2025) Since January 2025, William Raveis Real Estate and Town & Country Real Estate have merged, bringing together the strengths of both firms. This merger enhances Joan's ability to provide his clients with expanded services and increased market reach, including: Wide Network and Market Reach: Access to an extensive network of agents and offices across the Northeast and East Coast, offering a broader local and national market presence. Comprehensive Services: In addition to residential real estate services, William Raveis provides mortgage, insurance, and title services, ensuring a one-stop-shop experience for clients. Technology and Tools: State-of-the-art tools for property searches, marketing, and client management, ensuring an efficient and effective home buying and selling experience. Personalized Approach: Known for its client-centric model, William Raveis offers customized solutions for each buyer and seller. Luxury Property Focus: William Raveis has a strong presence in the luxury market, offering specialized knowledge and access to exclusive listings. Relocation Services: William Raveis provides relocation support, including area tours, school information, and neighborhood insights. Strong Reputation and Experience: With over 40 years of industry experience, William Raveis is recognized for professionalism, reliability, and expertise in the real estate market. The merger equips Joan with even more resources to deliver unparalleled service and global reach to his clients.
Expert in high-value and complex real estate transactions
Specializes in second-home, Commercial, and international property markets
Skilled in guiding negotiations, due diligence, and cross-border deals
Experience
Joan currently serves as Executive Compliance Counselor and on the Board of Directors at William Raveis Real Estate of the East End, a top-tier real estate company with an expansive network across the East Coast and Northeast U.S.. Past Experience: Founder of Buyers Connections Realty, a boutique firm specializing in transparency and client-centered service. Led Buyers Connections Realty in a successful merger with Town & Country Real Estate, which later transitioned into the merger with William Raveis Real Estate in January 2025. Previously held the role of Executive Compliance Counselor and strategic advisor at Town & Country Real Estate, helping guide agents and clients through the complexities of the local market.
Founder of Buyers Connections Realty, a boutique firm specializing in transparency and client-centered service.
Led Buyers Connections Realty in a successful merger with Town & Country Real Estate, which later transitioned into the merger with William Raveis Real Estate in January 2025.
Previously held the role of Executive Compliance Counselor and strategic advisor at Town & Country Real Estate, helping guide agents and clients through the complexities of the local market.
Achievements
Realtor of the Year (2017), awarded by industry peers Founder of Buyers Connections Realty Spearheaded the merger with William Raveis Real Estate (January 2025) Past President, North Fork Promotion Council Immediate Past President, HANFRA (Hamptons and North Fork Realtors Association)
Realtor of the Year (2017), awarded by industry peers
Founder of Buyers Connections Realty
Past President, North Fork Promotion Council
Immediate Past President, HANFRA (Hamptons and North Fork Realtors Association)
Areas Covered
Joan serves the following markets: North Fork of Long Island The Hamptons and Shelter Island East End of Long Island International and second-home property markets The merger with William Raveis Real Estate provides access to an expanded national market, further enhancing Joan?s ability to serve both local and international clients.
North Fork of Long Island
The Hamptons
International and second-home property markets
Niche Marketing
With an MBA in International Marketing and extensive experience in global property transactions, Joan creates customized marketing strategies tailored to luxury properties, second-home buyers, and international investors. His approach leverages cutting-edge technology, provided through the William Raveis platform, ensuring maximum exposure for properties.
MBA in International Marketing
experience in global property transactions
Bilingual Talents
Joan is fluent in: English Dutch French Spanish German And moderately fluent with some practice in Italian This multilingual fluency enables Joan to serve a diverse clientele and bridge cultural and language barriers, ensuring smooth, effective real estate transactions across borders.
English language
Dutch language
Spanish Language
German language
French l;anguage
Community Involvement
Joan is a passionate advocate for his community and has held leadership roles such as: President, Rites of Spring Music Festival Past President, North Fork Promotion Council Immediate Past President, HANFRA (Hamptons and North Fork Realtors Association) Joan also supports local businesses and community initiatives, further solidifying his commitment to the East End.
Past President, North Fork Promotion Council
Past President, HANFRA (Hamptons and North Fork Realtors Association)
Professional Association
Joan is deeply involved in the New York State Association of Realtors (NYSAR), where he contributes to several key committees, including: Communications, Marketing & Technology Forum Legislative Policy Forum Professional Standards Committee Multiple Listing Issues & Policies Committee Second-home, Resort & Global Markets Committee Additionally, Joan is a licensed Real Estate Instructor, helping to educate future professionals in the industry. He is also a member of Real Estate Sections of the New York State Bar Association and Suffolk County Bar Association
Communications, Marketing & Technology Forum
Legislative Policy Forum
Multiple Listing Issues & Policies Committee
Second-home, Resort & Global Markets Committee
Real Estate Sections of the New York State Bar Association and Suffolk County Bar Association
Education
Juris Doctorate, magna cum laude, Touro Law School Master of Business Administration (MBA), International Marketing Joan?s educational background combines legal expertise with global business strategy, making him uniquely equipped to handle complex real estate transactions.
Juris Doctorate, magna cum laude, Touro Law School
Master of Business Administration (MBA), International Marketing
Personal
Joan is originally , a village near The Hague, in the Netherlands. He settled in Fairfield County, CT in 1985 and has called the East End of Long Island home since 1999. With his international background and deep ties to the local community, Joan combines a global perspective with a strong commitment to his East End clients.
from Wassenaar, the Netherlands
Settled in Fairfield County, CT, in 1985
calls the East End of Long Island home since 1999
$4,250,000
5 beds
5 baths
5,200 sqft
1640 Grandview Drive, Orient, NY, 11957
$3,200,000
4 beds
5 baths
3,500 sqft
54985 County Road 48, Southold, NY, 11971
$1,999,000
895 Glen Court, Southold, (Cutchogue), NY, 11935
$1,599,000
3 beds
2 baths
2,000 sqft
2055 Boisseau Avenue, Southold, NY, 11971
Price Reduced
$849,000
2 beds
2 baths
1,300 sqft
150 Hobart Road, Southold, NY, 11971
Price Reduced
$799,000
3 beds
3 baths
1,572 sqft
Southold, NY, 11971
Price Reduced
$789,000
3 beds
2 baths
1,650 sqft
6980 N Bayview Road, Southold, NY, 11971
Price Reduced
$650,000
11100 Main Road, Southold, (East Marion), NY, 11939
$65,000
4 beds
3 baths
2,200 sqft
199 Old Harbor Road, Southold, (New Suffolk), NY, 11956
$60,000
4 beds
2 baths
1,800 sqft
54505 County Road 48, Southold, NY, 11971
$60,000
5 beds
7 baths
3,500 sqft
495 N Parish Drive, Southold, NY, 11971
Price Reduced
$55,000
5 beds
4 baths
3,000 sqft
1695 Old Woods Path, Southold, NY, 11971
$40,000
4 beds
4 baths
2,250 sqft
2430 Dignans Road, Southold, (Cutchogue), NY, 11935
Price Reduced
$20,000
4 beds
2 baths
3,000 sqft
Southold, (East Marion), NY, 11939
$19,000
2 beds
1 bath
900 sqft
475 Youngs Avenue #C, Southold, NY, 11971
Price Reduced
$18,000
3 beds
2 baths
1,800 sqft
820 Gabriella Court, Mattituck, NY, 11952
$17,000
1 bed
1 bath
800 sqft
475 Youngs Avenue #B, Southold, NY, 11971
$15,000
1 bed
1 bath
750 sqft
430 Terry Lane, Southold, NY, 11971
Price Reduced
$12,000
4 beds
2 baths
1,800 sqft
54505 County Road 48 aka North Road, Greenport, NY, 11971
$2,095,000
4 beds
4 baths
4,000 sqft
170 Orchard Street, Orient, NY, 11957
Price Reduced
$1,499,000
4 beds
2 baths
2,000 sqft
20715 Main Road, Orient, NY, 11957
$678,000
2 beds
1 bath
1745 Nokomis Road, Southold, NY, 11971
$50,000
3 beds
2 baths
1,200 sqft
1355 Watersedge Way, Southold, NY, 11971
$40,000
4 beds
4 baths
3,200 sqft
950 Blue Marlin Drive, Southold, NY, 11971
$36,000
3 beds
2 baths
1,600 sqft
285 Oyster Ponds Lane, Orient, NY, 11957
$25,000
4 beds
2 baths
1,650 sqft
415 6th Avenue, Greenport, NY, 11944
$25,000
4 beds
3 baths
2,700 sqft
560 Grandview Drive, Orient, NY, 11957
Price Reduced
$20,000
4 beds
2 baths
2,600 sqft
25 Moose Trail, Cutchogue, NY, 11935
$20,000
4 beds
2 baths
3,000 sqft
11120 Main Road, East Marion, NY, 11939
Price Reduced
$20,000
4 beds
2 baths
2,600 sqft
25 Moose Trail, Southold, (Cutchogue), NY, 11935
$20,000
4 beds
4 baths
3,200 sqft
950 Blue Marlin Drive, Southold, NY, 11971