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Miriam Hagendorn

Miriam Hagendorn
Real Estate Agent (Associate Broker)
Roslyn NY

Associate Broker (NY: 10301222862)

6 years experience

REALTOR® 3 Active Listings Serves Nassau County, NY
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Contact Information

Brokerage
Signature Premier Properties
Office Address
12 Roosevelt Ave
Roslyn, NY  11576
(Nassau County)
Office Phone
516-496-0300
Office Fax
Mobile
516-655-7141
Email
mhag******@****************.com
Show Email for $5

Service Areas

Lakeview: NY Malverne: NY South Hempstead: NY Rockville Centre: NY Baldwin: NY Oceanside: NY Baldwin Harbor: NY North Baldwin: NY Malverne Park Oaks: NY Roosevelt: NY Freeport: NY Merrick: NY North Lynbrook: NY East Rockaway: NY Hewlett: NY Lynbrook: NY Barnum Island: NY Lido Beach: NY East Atlantic Beach: NY Long Beach: NY Bellmore: NY North Bellmore: NY North Merrick: NY Wantagh: NY Bay Park: NY North Massapequa: NY Plainedge: NY Seaford: NY Levittown: NY North Wantagh: NY Garden City South: NY Franklin Square: NY Valley Stream: NY North Valley Stream: NY South Farmingdale: NY East Massapequa: NY Massapequa: NY Village of Garden City: NY Garden City: NY Uniondale: NY Stewart Manor: NY West Hempstead: NY Queens: NY Alden Manor: NY New York: NY Meacham: NY Elmont: NY Manhasset: NY Lake Success: NY University Gardens: NY New Hyde Park: NY Manhasset Hills: NY North New Hyde Park: NY Garden City Park: NY Hillside Manor: NY Herricks: NY North Hills: NY Hempstead: NY Old Westbury: NY Jericho: NY Muttontown: NY Williston Park: NY East Williston: NY South Valley Stream: NY Woodmere: NY Port Washington: NY Flower Hill: NY Baxter Estates: NY Plandome Manor: NY Port Washington North: NY Manorhaven: NY Sands Point: NY Thomaston: NY Plandome Heights: NY Plandome: NY Munsey Park: NY Cedarhurst: NY Inwood: NY Glen Cove: NY Glen Head: NY East Meadow: NY Hewlett Bay Park: NY Hewlett Harbor: NY Island Park: NY Harbor Isle: NY Hicksville: NY Massapequa Park: NY Farmingdale: NY Old Bethpage: NY East Farmingdale: NY Bethpage: NY Wyandanch: NY East Norwich: NY Oyster Bay: NY Sea Cliff: NY Cove Neck: NY Upper Brookville: NY Matinecock: NY Laurel Hollow: NY Centre Island: NY Mill Neck: NY Oyster Bay Cove: NY Point Lookout: NY Searingtown: NY Albertson: NY Roslyn Heights: NY Great Neck: NY

About Miriam Hagendorn

Miriam Hagendorn is a seasoned real estate professional with over 18 years of experience in sales and marketing. Renowned for her professionalism and dedication, she excels in negotiation and possesses strong customer service and social media marketing capabilities. Miriam’s client-centric approach fosters a comfortable environment for buyers and sellers alike, ensuring a smooth transaction process.

Specializing in residential properties across Long Island, Miriam focuses on Nassau and Suffolk Counties. She adeptly assists first-time homebuyers, sellers, investors, and developers. Her extensive background in branding enables her to craft compelling narratives that enhance property visibility in the market. Additionally, her proficiency in digital marketing allows her to connect with a diverse range of potential buyers. Committed to providing exceptional service, Miriam prioritizes client education, empowering them to make informed decisions and gain a comprehensive understanding of the real estate landscape.

Before her career in real estate, Miriam successfully launched a gourmet food company, achieving national distribution within a year.

In her personal time, Miriam enjoys traveling and discovering Long Island’s scenic hiking trails, beaches, and wineries. Residing in Rockville Centre with her family, she looks forward to partnering with clients to help them realize their real estate aspirations.

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

$1,433,811
Avg. Listing Price
From Miriam'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, Miriam Hagendorn has 3 properties for sale in Roslyn and surrounding areas.

$729,000

Listed 2026-01-21

42 Driving Park Ave
Lynbrook, NY  11563

Beds: 3.0
Baths: 1.0
Sq Ft: 1,294
Lot: 4,800 sf
Single Family Map
View Full Details

$370,000

Listed 2025-11-08

49 Freedom Ln
Coram, NY  11727

Beds: 2.0
Baths: 1.0
Sq Ft: 964
Lot: 1,307 sf
Single Family Map
View Full Details

$589,000

Listed 2025-10-01

111 Cedar Oaks Ave
Farmingville, NY  11738

Beds: 3.0
Baths: 1.0
Sq Ft: 1,371
Lot: 17,424 sf
Single Family Map
View Full Details

Current Property Rentals

Miriam Hagendorn currently has no rental properties available in Roslyn and surrounding areas. Check back later.