Skip main navigation
Active
  • Listed by: COMPASS • Mary P. Snyder
    $15,000,000

    99 Union Street #1703, Seattle, WA 98101

    3beds
    7,382sqft
    : 
    $115,493/mo
    Get pre-qualified
    Condominium
    Built in 2008
    -- sqft lot
    $-- Zestimate®
    $2,032/sqft
    $21,451/mo HOA

    What's special

    Wraparound terraceClimate-controlled wine cellarExpansive dressing roomRich architectural millwork
    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.
    17 days
    |
    3,085
    |
    223
    |

    Zillow last checked:

    Listing updated:

    Listed by:

    Mary P. Snyder,

    COMPASS,

    Bob Bennion,

    COMPASS

    Source: NWMLS as distributed by MLS GRID,MLS#: 2565589MLS Logo

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 3
      • Bathrooms: 6
      • Full bathrooms: 2
      • 3/4 bathrooms: 2
      • 1/2 bathrooms: 2
      • Main level bathrooms: 3
      • Main level bedrooms: 1
      Primary bedroom
      • Level: Second
      Bedroom
      • Level: Second
      Bedroom
      • Level: Main
      Bathroom full
      • Level: Second
      Bathroom full
      • Level: Second
      Bathroom three quarter
      • Level: Second
      Bathroom three quarter
      • Level: Main
      Other
      • Level: Second
      Other
      • Level: Main
      Other
      • Level: Main
      Den office
      • Level: Second
      Dining room
      • Level: Main
      Entry hall
      • Level: Main
      Family room
      • Level: Main
      Kitchen with eating space
      • Level: Main
      Living room
      • Level: Main
      Utility room
      • Level: Second
      Utility room
      • Level: Main
      Heating
      • Fireplace, Forced Air, Radiant, Natural Gas
      Cooling
      • Forced Air
      Appliances
      • Included: Dishwasher, Disposal, Double Oven, Dryer, Microwave, Refrigerator, Stove(s)/Range(s), Washer, Dishwasher(s), Dryer(s), Garbage Disposal, Microwave(s), Refrigerator(s), Washer(s), Cooking-Gas, Dryer-Gas, Ice Maker
      • Laundry: Dryer-Gas, Washer Hookup, Gas Dryer Hookup
      Features
      • Flooring: Bamboo/Cork, Hardwood, Marble, Stone, Carpet
      • Windows: Insulated Windows, Coverings: Blinds
      • Number of fireplaces: 3
      • Fireplace features: Gas, Main Level: 2, Upper Level: 1, Fireplace
      Interior area
      • Total structure area: 7,382
      • Total interior livable area: 7,382 sqft

      Property

      Parking
      • Total spaces: 7
      • Parking features: Common Garage
      • Has garage: Yes
      • Covered spaces: 7
      Features
      • Levels: Two
      • Stories: 2
      • Entry location: Main
      • Patio & porch: Cooking-Gas, Dryer-Gas, End Unit, Fireplace, Ice Maker, Insulated Windows, Primary Bathroom, Sprinkler System, Vaulted Ceiling(s), Walk-In Closet(s), Washer
      • Has view: Yes
      • View description: Bay, City, Mountain(s), Sound
      • Has water view: Yes
      • Water view: Bay,Sound
      Lot
      • Size: 0.5 Acres
      • Features: Curbs, Paved, Sidewalk
      Details
      • Parcel number: 6094680030
      • Special conditions: Standard

      Construction

      Type & style
      • Home type: Condo
      • Architectural style: Contemporary,Condo (2 Levels)
      • Property subtype: Condominium
      Materials
      • Stone
      • Roof: Flat
      Condition
      • Year built: 2008
      • Major remodel year: 2008

      Utilities & green energy

      Green energy
      • Energy efficient items: Insulated Windows

      Community & HOA

      Community
      • Features: Cable TV, Elevator, Fitness Center, Garden Space, Gated
      • Security: Security Service, Fire Sprinkler System
      • Subdivision: Downtown
      HOA
      • Services included: Central Hot Water, Common Area Maintenance, Concierge, Earthquake Insurance, Gas, Security, Sewer, Water
      • HOA fee: $21,451 monthly
      Location
      • Region: Seattle

      Financial & listing details

      • Price per square foot: $2,032/sqft
      • Tax assessed value: $13,454,000
      • Annual tax amount: $133,399
      • Date on market: 8/5/2026
      • Cumulative days on market: 19 days
      • Listing terms: Conventional
      • Inclusions: Dishwasher(s), Double Oven, Dryer(s), Garbage Disposal, Microwave(s), Refrigerator(s), Stove(s)/Range(s), Washer(s)

        Estimated market value

        Not available

        Estimated sales range

        Not available

        Not available

        Price history

        DateEventPrice
        8/6/2026Listed for sale$15,000,000+31.7%$2,032/sqft
        Source: NWMLS as distributed by MLS GRID #2565589 Report a problem
        9/10/2008Sold$11,386,525$1,542/sqft
        Source: Public Record Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025$133,399 +11.5%$13,454,000 +3.4%
        2024$119,664 -8.5%$13,006,000 -9.9%
        2023$130,746 +11.1%$14,434,000 -0.3%
        2022$117,637 -3.5%$14,480,000 +5%
        2021$121,855 +15.1%$13,793,000 +21.4%
        2020$105,880 -12.2%$11,364,000 -13%
        2019$120,600 +23.4%$13,060,000 +10.8%
        2018$97,758 -2.1%$11,792,000 +13%
        2017$99,824 -7.3%$10,434,000 -1%
        2016$107,732 $10,536,000 -5.9%
        2015$107,732 $11,196,000 -3.6%
        2014$107,732 $11,612,000 +30.2%
        2012-- $8,919,000 +1.3%
        2011-- $8,806,000 -11%
        2010-- $9,896,000
        2009-- $9,896,000
        Find assessor info on the county website

        Monthly payment

        Est. payment

        Payment breakdown

        Explore the cost of this home by adjusting the details. Changes won't be saved.
        All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
        HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
        See how much you could borrow to make a competitive offer.

        Climate risks

        Neighborhood: Downtown

        Getting around

        98 / 100
        Walker's Paradise
        100 / 100
        Rider's Paradise
        76 / 100
        Very Bikeable

        Nearby schools

        GreatSchools rating

        A local agent can set up tours, give advice and negotiate with sellers.

        Browse local experts

        Similar homes