$1,100,000
 $5,905 est/mo Sourced by Back At You

138 Knollwood Avenue,Mamaroneck, NY 10543

Mamaroneck, NY 10543

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Description

Classic Tudor charm meets an easy, flexible layout in this character-filled Harbor Heights home. The main level is anchored by a dramatic living room with soaring cathedral ceilings, abundant natural light, and a wood-burning fireplace - the kind of space that immediately feels special. An adjoining dining area creates an easy flow for dinners and entertaining, while a separate den offers the perfect spot for a home office, cozy TV room, playroom, or reading lounge. Just off the dining room, the St. Charles kitchen features a sunny breakfast nook and full bath. A generous screened porch extends the living space outdoors and is ideal for morning coffee, summer dinners, or relaxed weekends at home. Direct access to the attached garage makes everyday life that much easier. Upstairs, the primary suite features a renovated ensuite bath and direct walk-up access to the attic, offering convenient additional storage. Three additional bedrooms and a full bath complete the second floor. Downstairs, the unfinished basement currently used for laundry, storage and as a workspace, could transform into a home gym or rec space. With its distinctive Tudor architecture, cathedral ceilings, fireplace, screened porch, and versatile spaces throughout, this is a home with the character that's hard to recreate - and the opportunity to update in your own style is endless! Harbor Heights is a quiet, bike-riding neighborhood. Warren Park with playground, ball fields, tennis and pickleball is nearby, and train, school and town are nearby, too. Mamaroneck also enjoys Harbor Island Park on the sound with beach, boating, playground, bait shop, ball fields, dog park and numerous village events including concerts, fireworks, Sportime's clay tennis courts, pickleball courts, beach volleyball, softball and street parties. Enjoy!

Details

MLS #1044020
Listing TypeFor Sale
StyleHouse
Sub-TypeResale
StatusPending
Year1927
Days On Site49
Listing Provided ByStetson Real Estate | Mary Stetson

Features

Bed(s)4
Bath(s) 3 Total
SQ Feet2,030
Garage2
BasementY
Acreage0.22

Interior

CoolingWall/Window Unit(s)
HeatingNatural Gas
Interior FeaturesFirst Floor Full Bath, Beamed Ceilings, Cathedral Ceiling(s), Eat-in Kitchen, High Ceilings, Pantry, Washer/Dryer Hookup
Window FeaturesDouble Pane Windows
AppliancesDishwasher, Dryer, Electric Range, Refrigerator, Washer

Exterior

Construction MaterialsBrick, Stucco

Parking

Garage Yes / NoYes
Parking FeaturesDriveway, Garage

Utilities

UtilitiesTrash Collection Public
SewerPublic Sewer

Taxes

Tax Year2025
Tax Assessed Value844000
Tax Annual Amount18506

Area Information

StateNY
CountyWestchester County
CityMamaroneck
Zip Code10543
School DistrictMamaroneck High School
Elementary SchoolMamaroneck Avenue
High SchoolMamaroneck High School
Listing VS Median (in 10543)
Price:
$1,100,000
low | high
Med:
$484,000
100% of Average
sqft:
2,030
low | high
Med:
1,230
89.408866995074% of Average
$ / sqft:
$542
low | high
Med:
$399
76.294792557161% of Average
On site:
49
low | high
Med:
29
100% of Average
Sourced by Back At You

Market Activity 10543

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Learn More About This Property

Smitchger Realty

Smitchger Realty

 (845) 534-7874sinfo@johnjleaserealtors.com
StateNY
CountyWestchester County
CityMamaroneck
Zip Code10543
School DistrictMamaroneck High School
Elementary SchoolMamaroneck Avenue
High SchoolMamaroneck High School
Listing VS Median (in 10543)
Price:
$1,100,000
low | high
Med:
$484,000
100% of Average
sqft:
2,030
low | high
Med:
1,230
89.408866995074% of Average
$ / sqft:
$542
low | high
Med:
$399
76.294792557161% of Average
On site:
49
low | high
Med:
29
100% of Average
Sourced by Back At You
Nearby Listings (Within 1/4 mile)
Price: $825K - $1.375M
sqft: 1,500 - 2,500
Nearby Listings Property ImageNearby Listings Details
1315 Langdon Lane Property Photo 1
$1,085,000
1315 Langdon Lane
Mamaroneck, NY 10543
122 Sunset Road Property Photo 1
$1,100,000
122 Sunset Road
Mamaroneck, NY 10543
Listing Updated: October 13, 2026 at 9:41:19 AM PDT

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Smitchger Realty

270 Main Street
Cornwall, NY 12518
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270 Main Street 

Cornwall, NY 12518

845-534-7874

Hours of Operation

Monday 9:00 AM –  5:00 PM
Tuesday 9:00 AM –  5:00 PM
Wednesday 9:00 AM –  5:00 PM
Thursday 9:00 AM –  5:00 PM
Friday 9:00 AM –  5:00 PM
Saturday10:00 AM – 5:00 PM
SundayBy Appointment Only



Specializing in Buying and

Selling Real Estate in Cornwall,

NY and surrounding areas. 


 
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MLS Internet Data Exchange (IDX) information is provided exclusively for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, and that the data is deemed reliable but is not guaranteed accurate by the OneKey® MLS
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