$539,900
3 Bed • 2 Bath • 1,700 Sq. Ft.
9 Whittier Avenue
Cortlandt Manor, NY 10567
Listed with Keller Williams Prestige Prop
$699,900
Est. $4,354/moMamaroneck, NY 10543 · Westchester County
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Turnkey comfort, modern conveniences, and low-maintenance living come together at 431 4th Street in the heart of Mamaroneck, New York. Located within the prestigious Rye Neck School District, this home combines style, functionality, and commuter-friendly living just minutes from Florence Park, two Metro-North stations, Beeline Buses, major highways, vibrant downtown restaurants and shops, and the renowned Harbor Island Park waterfront and beach. Here you'll find a 3-bedroom, 2.5-bath property that welcomes you home every time. With the first-floor primary suite, and a sun-filled open floor plan that includes so many conveniences, you could literally avoid having to go up or down stairs. The seamless indoor-outdoor flow to a low maintenance white picket fence bordered front yard and a custom wraparound back deck make this home a rare gem in this centrally located part of Mamaroneck. The modern kitchen showcases stainless steel appliances, sleek bar stool countertops, washer and dryer, and adjustable remote-controlled lighting that compliment the livingroom's design for both everyday living and effortless entertaining. If you do go upstairs, you'll find a truly bright and organized space to create your own retreat! It includes two spacious bedrooms with generous closets and new windows, a full bathroom with tub, built-in shower light and shelving, plus an additional walk-in hall closet that has access to the attic scuttle. The lower level features polished tile flooring, built-in shelving, abundant storage, upgraded major mechanicals, including a French drain system, walkout access, Bilco doors, and flexible space ideal for recreation, a workshop, home office, gym, or additional living needs. Thoughtfully updated throughout, this elegant, sun-filled home offers the ease of low-maintenance living while placing you close to everything Mamaroneck and the Rye Neck School District have to offer — from waterfront recreation and parks to dining, shopping, great schools, and convenient trips to NYC by car or by Metro-North's 37 minute express train. Come see for yourself and make your best offer today.
As reported by the listing office; verify enrollment with the district.
Listed with eXp Realty · Monique F. Noel-Gunter · Source: OneKey MLS
Information provided by One Key MLS, and is deemed reliable but not guaranteed accurate. Data last updated: Sep 19, 2026, 1:07 PM ET. ©2026 One Key MLS.
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Market Insights
Current Listings
New in the last 30 days
18
Sep 2026
Average Price
Active listings
$1,324,503
Sep 2026
Average Days on Market
Active listings
92 days
Sep 2026
Computed from 60 active OneKey MLS listings in Mamaroneck, NY.
$539,900
3 Bed • 2 Bath • 1,700 Sq. Ft.
9 Whittier Avenue
Cortlandt Manor, NY 10567
Listed with Keller Williams Prestige Prop
$749,000
2 Bed • 2.5 Bath • 1,754 Sq. Ft.
53 Top Of The Ridge #A9
Mamaroneck, NY 10543
Listed with Coldwell Banker Realty
$635,900
2 Bed • 2.5 Bath • 1,718 Sq. Ft.
420 Trump Park
Shrub Oak, NY 10588
Listed with Coldwell Banker Realty