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Steven Decillis

Steven Decillis
Real Estate Agent (Salesperson)
Massapequa NY

Salesperson (NY: 10401257829)

14 years experience

REALTOR® 1 Active Listings Serves Nassau County, NY
View on Realtor.com

Contact Information

Brokerage
Keller Williams Realty Elite

Office Website
Office Address
695 Broadway
Massapequa, NY  11758
(Nassau County)
Office Phone
516-795-6900
Office Fax
631-406-7913
Mobile
516-551-7309
Email
sdec**@***.com
Show Email for $5

Service Areas

Garden City South: NY Franklin Square: NY Malverne Park Oaks: NY Port Washington North: NY South Hempstead: NY Baldwin: NY Oceanside: NY Baldwin Harbor: NY North Baldwin: NY Freeport: NY Merrick: NY Roosevelt: NY Village of Garden City: NY Garden City: NY Uniondale: NY Stewart Manor: NY Old Westbury: NY Muttontown: NY Glen Head: NY Upper Brookville: NY Old Brookville: NY Glenwood Landing: NY Brookville: NY Hempstead: NY Rockville Centre: NY Lakeview: NY West Hempstead: NY East Meadow: NY Barnum Island: NY Island Park: NY Harbor Isle: NY Malverne: NY Bellmore: NY North Bellmore: NY North Merrick: NY North Lindenhurst: NY North Amityville: NY Gilgo: NY Amityville: NY Copiague: NY Wyandanch: NY West Babylon: NY Captree Island: NY Oak Island: NY West Gilgo Beach: NY Gilgo Beach: NY Oak Beach: NY Babylon: NY Plainedge: NY Bethpage: NY Levittown: NY Deer Park: NY East Islip: NY Great River: NY East Norwich: NY Oyster Bay: NY South Farmingdale: NY North Massapequa: NY Seaford: NY East Massapequa: NY Massapequa: NY Massapequa Park: NY North Wantagh: NY Laurel Hollow: NY Syosset: NY Hicksville: NY Oyster Bay Cove: NY Wantagh: NY Jericho: NY New Cassel: NY Old Bethpage: NY Plainview: NY Port Washington: NY Melville: NY

About Steven Decillis

A successful real estate professional embodies a range of essential qualities, including honesty, integrity, loyalty, comprehensive market knowledge, effective negotiation skills, and a strong work ethic. This agent is committed to leveraging these attributes to ensure clients achieve their real estate goals, whether that involves purchasing their dream home or selling their property efficiently and at the best possible price.

With over 35 years of residency on Long Island, this agent brings a deep understanding of the local market and is dedicated to guiding clients through every step of the real estate process, from listing to closing. Their proven track record in sales and negotiations ensures that client interests are safeguarded throughout each phase.

Prospective clients are encouraged to review testimonials that reflect the agent's commitment to honesty, integrity, and exceptional service.

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

$1,433,811
Avg. Listing Price
From Steven's portfolio
4.1 / 3.0
Avg. Beds/Baths
Typical property size
2,485 sf
Avg. Square Footage
Interior living space
2985
Active Listings
Current inventory

Nassau County's real estate market represents one of New York's most dynamic and valuable suburban landscapes, with properties consistently ranking among the highest-priced in the nation. This Long Island powerhouse attracts buyers seeking premium coastal living, top-tier school districts, and convenient Manhattan access, creating a marketplace where million-dollar homes are commonplace and inventory moves quickly despite premium pricing.

The county's real estate ecosystem supports 11,944 total actively licensed agents, with all 11,944 agents maintaining email contact information, reflecting the market's technological sophistication and professional connectivity. This robust agent network serves diverse communities from Hempstead's affordable starter homes to Old Westbury's sprawling estates, each requiring specialized market knowledge and relationship management.

Major Nassau County, New York Real Estate Markets

The Gold Coast communities of Manhasset, Port Washington, and Roslyn dominate Nassau's luxury segment, where historic estates and waterfront properties command prices exceeding $3 million. Meanwhile, established neighborhoods like Garden City, Rockville Centre, and Westbury offer premium suburban living with strong resale values, while emerging markets in Freeport and Uniondale present opportunities for first-time buyers and investors seeking appreciation potential.

Nassau's geography creates distinct micro-markets along the North Shore's prestigious waterfront communities versus the South Shore's beach-adjacent neighborhoods like Long Beach and Atlantic Beach. Each region maintains unique pricing dynamics, with proximity to transportation hubs like the Long Island Rail Road stations significantly impacting property values and market velocity throughout communities from Great Neck to Hicksville.

Market Dynamics and Geographic Complexity

Nassau County's real estate market operates on compressed inventory cycles, where desirable properties in sought-after school districts like Jericho or Syosset often receive multiple offers within days of listing. This competitive environment demands agents who understand hyperlocal nuances, from flood zone implications in waterfront areas to the impact of property taxes that can exceed $30,000 annually on premium homes.

The market's complexity extends beyond pricing to encompass co-op buildings in communities like Great Neck Plaza, new construction developments in previously industrial areas, and the ongoing conversion of larger estates into luxury subdivisions. These varied property types require agents with specialized expertise in everything from co-op board approval processes to new construction warranties and municipal approval procedures.

Why Businesses Need Nassau County, New York Agent Contact Data

Mortgage lenders, home inspection companies, and luxury service providers targeting Nassau County's affluent market need direct access to the county's extensive agent network to capture high-value transactions. With average home prices significantly exceeding national norms, each successful business relationship with local agents can generate substantial revenue through premium-priced services and repeat referral opportunities.

Technology companies, marketing firms, and financial services businesses benefit from connecting with Nassau's digitally-connected agent community to introduce innovative tools and services. Given the market's competitive nature and sophisticated clientele, agents actively seek resources that provide competitive advantages, creating opportunities for B2B companies offering everything from virtual staging software to client management platforms and investment analysis tools.

Current Property Listings

As of 2/7/2026, Steven Decillis has 1 property for sale in Massapequa and surrounding areas.

$1,299,000

Listed 2025-08-30

2 Garfield St
Merrick, NY  11566

Beds: 4.0
Baths: 3.0
Sq Ft: 2,180
Lot: 5,001 sf
Single Family Map
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Current Property Rentals

As of 1/15/2026, Steven Decillis has the following rental property available in Massapequa and surrounding areas.

$4,600

Listed 2025-12-29

129 Spring Ln
Levittown, NY  11756

Beds: 5.0
Baths: 2.0
Sq Ft: 1,725
Lot: 5,998 sf
Single Family Map
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