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138 Underhill Avenue #1A, West Harrison, photo 1
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138 Underhill Avenue #1A, photo 2
138 Underhill Avenue #1A, photo 3
138 Underhill Avenue #1A, photo 4
138 Underhill Avenue #1A, photo 5
138 Underhill Avenue #1A, photo 6
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138 Underhill Avenue #1A, photo 8

138 Underhill Avenue #1A

West Harrison, NY 10604 · Westchester County

Beds
1
Baths
1
Sqft
800
Status
Active
On site
11 days

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About this home

Welcome to 138 Underhill Ave. Unit 1A, a bright, sun-filled 800 sq. ft. 1-bedroom, 1-bath Park Knoll co-op in the heart of West Harrison. This charming, updated, unit has hardwood floors and crown molding throughout. Granite counters, a stone backsplash, and stainless steel appliances complete the kitchen. Enjoy summer at the community’s in-ground pool, with the town pool and Silver Lake Park nearby. Membership is also available at Harrison Meadows Country Club, the town-owned golf and tennis club. Laundry is in the basement of the building, and there is plenty of street parking out front. Downtown White Plains, shops, restaurants, the Metro-North train, and major highways are all close by. Move right in and enjoy!

Listed with Julia B Fee Sothebys Int. Rlty · Caren Low · Source: OneKey MLS

One Key MLS

Information provided by One Key MLS, and is deemed reliable but not guaranteed accurate. Data last updated: Nov 1, 2026, 10:07 PM ET. ©2026 One Key MLS.

Estimate your monthly payment

Estimate your mortgage payment, including the principal and interest, taxes, insurance, HOA, and private mortgage insurance.

$1,613.66Total / mo

Estimated monthly payment

Principal & interest
$1,083.66(67.2%)
Taxes
$330.00(20.5%)
Insurance
$200.00(12.4%)

Representative rates

Representative rates only, indicative for comparison. Edit the interest rate for your own quote; your lender’s numbers vary with credit, points, and insurance.

Taxes are estimated; the listing office didn't report an annual tax figure.

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Market insights

The market around West Harrison, NY

Current listings

New in the last 30 days

4

Nov 2026

Average price

Active listings

$1,264,750

Nov 2026

Average days on market

Active listings

69 days

Nov 2026

Computed from 20 active OneKey MLS listings in West Harrison, NY.

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