12 William StreetCentral Islip, NY 11722Sale Price: $695,000

  • Sale Price: $695,000
  • 337 Days Since Sale
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Federal 30-year interest rate: 6.36% last updated on May 14, 2026
* All Figures are estimates. Check with your bank or proposed mortgage company for actual interest rates.
This product uses the FRED® API but is not endorsed or certified by the Federal Reserve Bank of St. Louis.
  • $695,000Sale Price
  • 5Bedrooms
  • 3Bathrooms
  • 0.17Acreage
  • 1,820Square Feet

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Welcome to 12 William St in Central Islip! This beautifully updated 5-bedroom, 3-bathroom home is truly must-see. The first level features a modern, updated kitchen with stainless appliances, quartz countertops, LED lighting, and new oak floors. The primary bedroom boasts a double closet, while an additional bedroom and updated bathroom on the first floor provide convenience and comfort. The second level features 3 bedrooms and updated bathroom. The full, finished basement with outside entrance offers a laundry room, additional storage space, and endless possibilities for use. With a new roof, on-demand hot water system, and ductless AC/heating units, this home is as practical as it is stunning.

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Listed by Dimitry Roulette of Keller Williams Realty Elite (516-795-6900)

Listing Sold by Landmark Elite Homes Corp

Listings courtesy of OneKey® MLS as distributed by MLS GRID. Based on information submitted to the MLS GRID as of May 16, 2026 10:19 AM EDT. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. IDX information is provided exclusively for consumers’ personal noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data is deemed reliable but is not guaranteed by MLS GRID. The use of the MLS GRID Data may be subject to an end user license agreement.

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