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Mary Byrne

Mary Byrne
Real Estate Agent (Salesperson)
White Plains NY

Salesperson (NY: 40BY1070541)

24 years experience

REALTOR® 9 Active Listings Serves Westchester County, NY
View on Realtor.com

Contact Information

Brokerage
Christie's International Real Estate New York

Office Website
Office Address
1133 Westchester Ave N-228
White Plains, NY  10605
(Westchester County)
Office Phone
914-200-1515
Office Fax
Mobile
914-837-0531
Email
joan****************@*****.com

Service Areas

Manhattan: NY New York: NY White Plains: NY Fairview: NY North Castle: NY Greenburgh: NY Harrison: NY Irvington On Hudson: NY Irvington: NY Bronx: NY Yonkers: NY Hastings-on-Hudson: NY Eastchester: NY Tuckahoe: NY Mount Vernon: NY Bronxville: NY New Rochelle: NY Wykagyl: NY

About Mary Byrne

Mary Jo Ann Byrne is a Licensed Real Estate Salesperson and Certified Luxury Specialist affiliated with Christie's International Real Estate Westchester Hudson Valley, operating from the Scarsdale Sales Gallery. With over two decades of experience in the real estate sector, she is a valued member of the Westchester Homes Team, focusing on residential real estate transactions for both buyers and sellers primarily in Westchester County.

Jo Ann excels in guiding her clients through the complexities of real estate decisions, equipping them with insights into the distinctive attributes that make Westchester an appealing location for living and working. Her commitment to providing knowledgeable and enthusiastic support ensures that she meets her clients' needs with a blend of professionalism and personalized service, characterized by a friendly, attentive, and honest approach. Her meticulous, full-service methodology is highly regarded by both sellers and buyers.

Her journey into real estate began 20 years ago when she entered the field as an investor, successfully rehabilitating numerous properties. Currently, she owns several rental units, bringing extensive landlord experience to her practice. Jo Ann's hands-on expertise in home renovation, staging, and interior design offers her clients a significant advantage. Her comprehensive understanding of construction and design, developed through collaboration with builders, contractors, and local architects on various renovation and new construction projects, provides invaluable insights for home buyers and helps sellers effectively position their properties for timely and profitable sales.

Prior to her real estate career, Jo Ann earned an MBA in Finance and Investing. She is multilingual, fluent in Italian, Russian, French, and Spanish, further enhancing her ability to connect with a diverse clientele.

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

$1,847,483
Avg. Listing Price
From Mary's portfolio
4.0 / 3.5
Avg. Beds/Baths
Typical property size
3,317 sf
Avg. Square Footage
Interior living space
816
Active Listings
Current inventory

Westchester County, New York represents one of the most sophisticated and diverse real estate markets in the tri-state area, characterized by its unique blend of suburban tranquility and urban accessibility. With 6,658 total actively licensed agents serving the region, this market demonstrates remarkable depth and professional expertise that reflects the county's status as a premier destination for homebuyers seeking luxury, convenience, and top-tier educational opportunities just north of Manhattan.

The sheer concentration of real estate professionals in Westchester County—all 6,658 agents maintaining active email communication—underscores the market's competitive nature and the high level of service expectations from discerning clientele. This robust agent network spans from the Hudson River waterfront communities to the Connecticut border, creating a comprehensive coverage area that serves diverse price points and lifestyle preferences.

Major Westchester County, New York Real Estate Markets

The county's real estate landscape is anchored by several distinct metropolitan areas, each offering unique characteristics and market dynamics. White Plains serves as the commercial and residential hub, featuring high-rise condominiums and renovated downtown lofts that attract young professionals and empty nesters. Meanwhile, Scarsdale, Bronxville, and Larchmont command premium prices for their prestigious school districts and charming village atmospheres, often seeing bidding wars for well-appointed colonial and Tudor homes.

The Hudson River communities of Tarrytown, Irvington, and Dobbs Ferry have experienced remarkable renaissance in recent years, with waterfront properties and historic homes drawing Manhattan expatriates seeking more space without sacrificing their reverse commute convenience. Northern Westchester areas like Bedford, Pound Ridge, and North Salem offer estate-style properties and equestrian facilities, creating distinct luxury market segments that require specialized knowledge and connections.

Market Dynamics and Geographic Complexity

Westchester County's real estate market operates with surprising micro-local variations, where neighboring towns can demonstrate vastly different pricing trends and inventory levels within the same quarter. The Metro-North railroad lines create distinct corridors of demand, with properties within walking distance of stations in communities like Rye, Mamaroneck, and Mount Vernon commanding significant premiums over comparable homes requiring car transportation to transit options.

Seasonal patterns in Westchester follow unique rhythms driven by the academic calendar, as families with school-age children typically prefer spring and early summer transactions to align with educational transitions. This creates intense competition during peak months, followed by surprising opportunities in fall and winter markets when motivated sellers often accept more favorable terms from prepared buyers.

Why Businesses Need Westchester County, New York Agent Contact Data

Service providers targeting Westchester County's real estate market require comprehensive agent contact information to effectively reach this affluent and active customer base. Mortgage lenders, home inspection services, luxury contractors, and interior designers can leverage direct communication with all 6,658 licensed agents to build referral networks that generate consistent high-value transactions throughout the county's diverse communities.

The ability to segment outreach efforts by geographic specialization and price point expertise allows businesses to craft targeted messaging that resonates with agents serving specific market niches, from first-time homebuyer specialists in Yonkers to luxury estate experts in Greenwich border communities, maximizing conversion rates and building lasting professional relationships.

Current Property Listings

As of 2/7/2026, Mary Byrne has 9 properties for sale in White Plains and surrounding areas.

$399,000

Listed 2025-05-01

215 Washington St Apt 19
Tappan, NY  10983

Beds: 2.0
Baths: 1.5
Sq Ft: 1,150
Lot: 436 sf
Condos Map
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$1,399,000

Listed 2025-07-10

90 University Ave
Yonkers, NY  10704

Beds: 6.0
Baths: 6.0
Sq Ft:
Lot: 6,499 sf
Multi Family Map
View Full Details

$300,000

Listed 2025-07-10

86 University Ave
Yonkers, NY  10704

Beds:
Baths:
Sq Ft:
Lot: 7,074 sf
Land Map
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$1,399,000

Listed 2025-07-10

98 University Ave
Yonkers, NY  10704

Beds: 6.0
Baths: 6.0
Sq Ft:
Lot: 5,868 sf
Multi Family Map
View Full Details

$829,000

Listed 2025-10-25

166 Park Hill Ave
Yonkers, NY  10705

Beds: 5.0
Baths: 3.0
Sq Ft:
Multi Family Map
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$299,000

Listed 2025-11-21

108 Sagamore Rd Apt 3E
Tuckahoe, NY  10707

Beds: 1.0
Baths: 1.0
Sq Ft: 900
Coop Map
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$509,900

Listed 2025-11-21

107 N Broadway Apt 113
White Plains, NY  10603

Beds: 2.0
Baths: 1.5
Sq Ft: 1,036
Condos Map
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$475,000

Listed 2025-10-08

24 Wappanocca Ave Apt B
Rye, NY  10580

Beds: 2.0
Baths: 1.0
Sq Ft: 1,000
Coop Map
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$399,000

Listed 2025-06-10

17 Manitou Trl
White Plains, NY  10603

Beds: 3.0
Baths: 1.0
Sq Ft: 1,404
Lot: 7,405 sf
Single Family Map
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Current Property Rentals

As of 2/7/2026, Mary Byrne has the following rental properties available in White Plains and surrounding areas.

$6,882

Listed 2025-10-18

66 Laron Dr
New Rochelle, NY  10804

Beds: 4.0
Baths: 3.0
Sq Ft: 1,970
Lot: 11,326 sf
Single Family Map
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