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20621 16th StreetSammamish, WA 98074Price: $4,150,000

  • Price: $4,150,000
  • Est. Mortgage of $/month
  • 21 Days on Market
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Federal 30-year interest rate: 7.24% last updated on Oct 29, 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.
  • $4,150,000List Price
  • 5Bedrooms
  • 7Bathrooms
  • 0.36Acreage
  • 5,680Square Feet
Listing Broker: Coldwell Banker Bain; Ken Ross 425-454-0470 bellevue@cbbain.com.

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Perched high above Lake Sammamish, this beautifully remodeled estate captures panoramic lake, mountain, and sunset views from a tranquil hillside setting. A grand stone entry, soaring two-story foyer, circular staircase, and elegant finishes create an impressive welcome, while the open-concept kitchen features GE Café appliances, double ovens, and a large quartz island. The luxurious primary suite offers a private view deck, see-through fireplace, lake view bath, and custom walk-in closet, complemented by four additional bedrooms with adjoining baths. A covered outdoor living area with a brick fireplace, pizza oven, and waterfall creates an unforgettable setting for entertaining, while a Tuscan-inspired wine room and expansive 1,300-square-foot main-level garage add everyday convenience to this remarkable Lake Sammamish retreat.

Property Details of 20621 16th Street

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Listing data courtesy of NWMLS as provided by MLS Grid as of November 4, 2026 10:37 AM EST . All data is obtained from various sources and has not been, and will not be, verified by broker or NWMLS. All information should be independently reviewed and verified for accuracy.  Properties may or may not be listed by the office/agent presenting the information. Supplied Open House Information is subject to change without notice. Many homes contain recording devices, and buyers should be aware they may be recorded during a showing. Listing data shown with the three tree icon are provided courtesy of NWMLS. Some IDX listings have been excluded from this website. 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.  The data is deemed reliable but is not guaranteed.

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