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Dianne Tupper

Dianne Tupper
Real Estate Agent (Salesperson)
Hampton Bays NY

Salesperson (NY: 10401216600)

17 years experience

REALTOR® 2 Active Listings Serves Suffolk County, NY
View on Realtor.com

Contact Information

Brokerage
Hampton Bays
Office Address
14 W Montauk Hwy
Hampton Bays, NY  11946-4002
(Suffolk County)
Office Phone
631-723-2721
Office Fax
Mobile
516-768-2684
Email
dian*********@*******.com
Show Email for $5

Service Areas

East Quogue: NY Quogue: NY Flanders: NY Shinnecock Hills: NY Tuckahoe: NY Hampton Bays: NY North Sea: NY Southampton: NY Water Mill: NY Westhampton Beach: NY Westhampton: NY Fire Island: NY West Hampton Dunes: NY Quiogue: NY Northampton: NY Aquebogue: NY Riverhead: NY Peconic: NY Greenport West: NY Southold: NY Mattituck: NY Laurel: NY Cutchogue: NY Jamesport: NY Northville: NY Eastport: NY Riverside: NY Calverton: NY

About Dianne Tupper

Dianne Tupper exemplifies dedication to her clients and a deep passion for the Hamptons. Having resided in Hampton Bays since 1973, she possesses an intrinsic understanding of the area, making her insights invaluable. Her extensive local knowledge, coupled with her professional expertise, has consistently facilitated successful outcomes for her clients in the real estate market.

Clients commend Dianne for her professionalism, trustworthiness, and organizational skills, which make her a significant resource for buyers, sellers, and investors alike. Her exceptional communication abilities and meticulous attention to detail ensure that clients remain informed throughout the process, with all documentation current and appointments scheduled promptly. Dianne prioritizes a seamless real estate experience, characterized by her responsiveness, reliability, and integrity. She is attuned to her clients’ needs, often exceeding their expectations.

With nearly 30 years of experience in the construction industry through her work with Richard Tupper Construction Corp, Dianne has developed a keen eye for assessing a home's condition. This expertise allows her to provide informed recommendations regarding potential improvements. Additionally, she maintains a robust network of local tradespeople and contractors, ready to assist her clients when necessary.

Currently residing in Hampton Bays with her husband and two daughters, Dianne appreciates the town's waterfront dining, scenic Ponquogue Beach, and access to three beautiful bays—Tiana and Shinnecock on the south side, and Peconic on the north. Her love for her community and its offerings is evident in her commitment to her clients and her work.

Suffolk County, NY Real Estate Market Analysis (Single Family Homes)

$2,180,503
Avg. Listing Price
From Dianne's portfolio
4.0 / 3.1
Avg. Beds/Baths
Typical property size
5,355 sf
Avg. Square Footage
Interior living space
4631
Active Listings
Current inventory

Suffolk County's real estate market represents one of New York's most dynamic and diverse property landscapes, stretching across Long Island's eastern expanse from bustling suburban communities to exclusive waterfront estates. With 9,107 total actively licensed agents serving the region, this market demonstrates remarkable depth and professional expertise, reflecting the county's complex mix of residential neighborhoods, commercial districts, and luxury coastal properties that attract buyers from across the metropolitan area.

The sheer scale of professional representation in Suffolk County reveals a market that operates at institutional levels, where every one of the 9,107 agents maintains email connectivity, enabling rapid communication and deal coordination across multiple price points and property types. This extensive network of licensed professionals supports everything from first-time homebuyer transactions in communities like Brentwood and Central Islip to multi-million dollar estate sales in the Hamptons, creating a sophisticated ecosystem that responds quickly to market shifts and seasonal demand patterns.

Major Suffolk County, New York Real Estate Markets

The county's real estate activity concentrates heavily around several key metropolitan areas, with Huntington, Babylon, and Islip serving as major commercial and residential hubs that drive significant transaction volume. These central markets feature diverse housing stock ranging from post-war suburban developments to newly constructed luxury communities, while coastal areas like Southampton, East Hampton, and Montauk command premium pricing due to their proximity to beaches and seasonal rental potential that attracts both permanent residents and investment buyers.

Emerging markets in communities such as Patchogue, Riverhead, and Greenport have experienced surprising growth as buyers seek more affordable alternatives to traditional high-end areas, creating opportunities for agents specializing in value-oriented transactions and redevelopment projects. The contrast between these developing markets and established luxury zones like Sag Harbor creates multiple distinct real estate ecosystems within the county, each requiring specialized knowledge and different marketing approaches.

Market Dynamics and Geographic Complexity

Suffolk County's real estate market operates with distinct seasonal patterns that significantly impact pricing and inventory levels, particularly in eastern coastal communities where summer demand can drive rental rates up by 300% compared to winter months. This seasonality creates unique challenges for agents who must navigate fluctuating buyer preferences, vacation home purchases, and the complex interplay between permanent resident sales and investment property transactions that define much of the county's higher-end market activity.

Geographic complexity adds another layer of market sophistication, as properties just miles apart can vary dramatically in value due to school district boundaries, flood zone designations, and proximity to transportation corridors like the Long Island Rail Road. Agents must possess hyperlocal expertise about everything from septic regulations in rural areas to co-op board requirements in more developed communities, making market knowledge extremely specialized and location-dependent.

Why Businesses Need Suffolk County, New York Agent Contact Data

Companies serving the real estate industry can leverage Suffolk County's comprehensive agent database to reach professionals handling transactions across dramatically different price points and property types, from affordable housing initiatives to luxury estate sales exceeding $10 million. This diversity creates opportunities for businesses offering everything from basic transaction management tools to sophisticated wealth management services, as agents require different solutions depending on their specific market segments and client demographics.

The complete email accessibility across all 9,107 licensed agents enables businesses to execute targeted marketing campaigns that can be customized by geographic area, specialization, or transaction volume, allowing for precise audience segmentation that maximizes response rates and conversion potential in this competitive and professional market environment.

Current Property Listings

As of 2/13/2026, Dianne Tupper has 2 properties for sale in Hampton Bays and surrounding areas.

$889,000

Listed 2026-01-20

8 Ocean Ave
Hampton Bays, NY  11946

Beds: 3.0
Baths: 2.5
Sq Ft: 2,042
Lot: 8,712 sf
Single Family Map
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$1,688,000

Listed 2026-02-04

87 Washington Heights Ave
Hampton Bays, NY  11946

Beds: 4.0
Baths: 3.0
Sq Ft: 2,580
Lot: 20,038 sf
Single Family Map
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Current Property Rentals

As of 2/13/2026, Dianne Tupper has the following rental properties available in Hampton Bays and surrounding areas.

$25,000

Listed 2026-01-20

42 Towd Point Rd
Southampton, NY  11968

Beds: 3.0
Baths: 4.0
Sq Ft: 1,620
Lot: 10,454 sf
Single Family Map
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$5,000

Listed 2025-07-31

51 Ocean Ave
Hampton Bays, NY  11946

Beds: 3.0
Baths: 2.0
Sq Ft: 1,200
Lot: 24,394 sf
Single Family Map
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$5,000

Listed 2025-03-07

119 Vineyard Way
Aquebogue, NY  11901

Beds: 3.0
Baths: 2.0
Sq Ft: 1,642
Lot: 30,492 sf
Single Family Map
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$35,000

Listed 2025-03-28

80 Towd Point Rd
Southampton, NY  11968

Beds: 3.0
Baths: 2.0
Sq Ft: 1,100
Lot: 6,098 sf
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$20,000

Listed 2025-08-08

107 Sebonac Rd
Southampton, NY  11968

Beds: 2.0
Baths: 1.0
Sq Ft: 1,327
Lot: 31,799 sf
Single Family Map
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