For sale Condo

Listed Aug 6, 2026

$15,000,000 Est. $99,211/mo

99 Union Street #1703

  • 3

    Beds

  • 6

    Baths

The story

Unit #1703 at 99 Union Street is a 3-bedroom, 6-bathroom condo in Seattle, WA, built in 2008. It is currently listed at $15,000,000, with a monthly HOA fee of $21,451. Highlights include city and mountain views and a fireplace.

World class residence at the Four Seasons. This extraordinary home w/ a wraparound terrace is a masterclass in architecture, craftsmanship & timeless design. Thoughtfully designed to support easy living at every stage of life w/ full accessibility features & private interior elevator. The dramatic living room defines the home, surrounded by uninterrupted views of Elliott Bay, the Olympic Mountains & the waterfront. Luminous Onice Nuvolato polished onyx screen panels, rich architectural millwork & St. Germain aged limestone floors establish a sophisticated composition. The kitchen pairs honed Crystalla marble w/ stainless steel & professional-grade appliances.The outdoor kitchen invites al fresco dining. The formal dining room is anchored by a Massangis Jaune Clair honed limestone fireplace. Adjacent is a St. Laurent marble bar & climate-controlled wine cellar. An intimate counterpart to the grand living spaces, the library lounge offers a warm retreat with custom millwork & herringbone oak floors.The primary wing offers a sitting room, an expansive dressing room & a spa-inspired Calacatta Gold bath with deep soaking tub. Additional ensuite bedrooms provide luxurious accommodations, each with exceptional privacy. The study is among the home's most captivating spaces. Wrapped in walls of custom finishes & uninterrupted views. 7 parking spaces & the legendary service of the Four Seasons complete one of Seattle’s most distinguished & architecturally significant residences.

Facts & features

Home type

Condo

Year built

2008

Floors

22

Lot size

1 acres

HOA

$21,451 / monthly

Included features

  • Fireplace

    3 fireplaces

  • Cooling

    Central Air, Forced Air

  • Heating

    Forced Air, Radiant

  • Appliances

    Dishwasher, Disposal, Double Oven, Dryer, Microwave, Refrigerator, Stove(s)/Range(s), Washer

  • Flooring

    Bamboo/Cork, Hardwood, Marble, Stone, Carpet

  • Roof

    Flat

  • Lot Information

    Alley, Curbs, Paved, Sidewalk

  • Exterior

    Stone

  • View

    City, Mountain

Mortgage calculator

Estimated monthly payment

$99,211 /mo

7% rate · 30-yr fixed · 20% down

  • Principal & interest $79,836
  • Property tax $15,000
  • Insurance $4,375

Includes principal, interest, taxes & insurance.

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Listing Broker

COMPASS

Broker Name

COMPASS

Agent

Mary P. Snyder