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MLS ID KEY1059231Last updated Oct 27, 2026

Stock Cooperative

20 Old Mamaroneck Road #3L

Active · White Plains · Westchester County, NY 10605

Bedrooms
2 Beds
Bathrooms
2 Baths
Year built
1964
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About this home

Welcome to Crystal Towers, a desirable full-service cooperative building in the heart of White Plains. This spacious, sun-filled 1,800-square-foot residence features a well-proportioned layout with generous living and dining areas that flow seamlessly into the kitchen. The oversized primary bedroom offers an en-suite bathroom and ample closet space, while the second bedroom provides versatility for guests, a home office, or additional living space. Large windows fill the home with natural light, and a private terrace offers the perfect setting for outdoor relaxation. Building amenities include doorman service, a live-in superintendent, a fitness center, laundry + storage facilities on every floor, and a dedicated indoor parking space in the attached garage. Conveniently located near downtown White Plains shopping and dining, the White Plains Metro-North station, and major highways, this residence offers a wonderful combination of space, convenience, and full-service living. Enjoy comfortable living in one of White Plains’ sought-after cooperative buildings.

Listing snapshot

Days on site
19 days
Listed on MLS
Oct 9, 2026
Full baths
2
Half baths
0
Area source (MLS)
Public Records
Listing brokerage
Houlihan Lawrence Inc.
MLS ID
KEY1059231
Last updated
Oct 27, 2026

General features

Property type
Stock Cooperative
Year built
1964
Garage
Yes
Garage spaces
1
Total parking
1
Parking
Garage, Private
Water source
Public
Sewer
Public Sewer
Utilities
Cable Connected, Electricity Connected, Natural Gas Connected

Interior features

Heating
Natural Gas
Cooling
Central Air
Interior
First Floor Bedroom, First Floor Full Bath, Granite Counters, Primary Bathroom
Appliances
Dishwasher, Electric Range, Microwave, Refrigerator, Stainless Steel Appliance(s)
Flooring
Hardwood
Fireplace
No

Exterior features

Architectural style
Mid Rise
Construction materials
Brick

Schools (MLS)

Elementary school
White Plains (Controlled Parents’ Choice)
Elementary school district
White Plains
Middle school
White Plains Middle School
Middle school district
White Plains
High school
White Plains Senior High School
High school district
White Plains

School information is provided by the MLS. Confirm attendance eligibility with the school district.

Recent activity

  1. Listing updated from MLS
  2. First seen on this site
  3. MLS status changed

Location

White Plains · Westchester County, NY 10605Show interactive map
20 Old Mamaroneck Road #3L

White Plains · Westchester County, NY 10605

Google Maps directions

Estimate monthly payment

Loan detailsFixed-rate, fully amortizing loan. Edit the assumptions below; no market rate is supplied.
Property expenses (USD)
MLS amounts are prefilled when available and can be edited. Confirm what fees include. Unknown fee frequencies cannot be converted automatically.Property expenses: MLS values where available; missing values stay blank.

Estimated monthly principal & interest—

Monthly property taxNot provided

Monthly association / maintenance feesNot provided

Estimated monthly total of entered costs—

Excludes insurance, mortgage insurance, special assessments and lender fees. MLS taxes may reflect abatements or exemptions and can change.

Listing data is supplied by the MLS and may change without notice.