$6,200,000
Est. $34,342/mo2 bd•2.25 ba•4,488 sq ft
99 Union Street #1801, Seattle, WA 98101
• Listed Jun 15, 2026•85 days active · 85 cumulative
Listing Broker: Windermere Real Estate Co.; Kim O. Dales; 206-235-7772; kodales@windermere.com
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Listing Broker: Windermere Real Estate Co.; Kim O. Dales; 206-235-7772; kodales@windermere.com
About this home
Synonymous with luxury living, the Four Seasons Residences in the epicenter of Seattle, exemplifies refined style. With every amenity imaginable, the Four Seasons will not disappoint. Whether you love to entertain or enjoy a quiet evening watching the sunset over Puget Sound, this stunning 18th floor unit demands your attention. At the Four Seasons it's a lifestyle, a sense of sophistication, a feeling of security. The amenities are numerous: valet parking, a professional concierge, spa, fitness center, pool and dog station + 2 dedicated parking spots and storage. Surrounded by floor to ceiling windows allowing you to drink in truly stunning views of waterfront activity, Elliot Bay, the Olympic Mountains in the distance, and those spectacular sunsets, this residence is undeniably special. Come take a look and fall in love with this world class residence.
Listed by Kim O. Dales • Windermere Real Estate Co.
Listing updated: September 21, 2026 at 11:33pm
RexMont checked: moments ago
Source: NWMLS as Distributed by MLS Grid #2540436
Around this home
How much should you offer?
99 Union Street #1801, Seattle, WA 98101
Source:RexMont analysis of Northwest MLS sales data for this ZIP code plus third-party market data (RentCast). The estimates are RexMont's, not Northwest MLS listing data.
Estimates only and not guaranteed. Consult a RexMont agent for accurate, personalized guidance before making an offer. RexMont OfferEdge™ · © 2026 RexMont Real Estate. Proprietary tool.
Property details
Interior features
- Cooking-Gas
- End Unit
- Fireplace
- Insulated Windows
- Primary Bathroom
- Walk-In Closet(s)
- Fireplace (gas)
Kitchen
- Dishwasher
- Disposal
- Dryer
- Microwave
- Refrigerator
- Stove(s)/Range(s)
- Washer
Bedrooms
- 2 bedrooms total
- 2 on the main level
Bathrooms
- 1 full bathroom
- 1 three-quarter bathroom (shower, no tub)
- 1 half bathroom
- 2.25 bathrooms total (NWMLS count)
- 3 on the main level
Layout
- Condo (1 Level)
Flooring
- Ceramic Tile
- Hardwood
Heating & cooling
- Forced Air heating
- Central Air cooling
Condominium facts
As entered by the listing broker on Northwest MLS
Building & HOA
- Building
- Four Seasons Private Residences
- Floor of unit
- 18
- Units in building
- 36
- Stories in building
- 22
- FHA-approved project
- No
- Co-op
- No
- Common interest community
- Yes
- HOA dues
- $9,810
- Dues frequency
- Monthly
- Dues include
- Cable TV, Central Hot Water, Common Area Maintenance, Concierge, Earthquake Insurance, Gas, Internet, Security, Sewer, Trash, Water
- Special assessment
- false
- Other dues or fees
- No
- Association contact
- Stewart Landfeld
Rules
- Pets
- Subject to Restrictions
- 55+ community
- No
Unit
- Assigned parking
- 2
- Parking space numbers
- E52, E53
- Storage location
- Basement
- Storage number
- E3
- Unit features
- Balcony/Deck/Patio,End Unit,Insulated Windows,Primary Bath,Walk-in Closet,Walk-in Pantry
- Common property features
- Cable TV,Elevator,Exercise Room,Fire Sprinklers,Hot Tub,Lobby Entrance,Pool-Outdoor
- Entry location
- Main
Systems
- Energy source
- Electric,Natural Gas
- Power production
- Electric, Natural Gas
- Power company
- City of Seattle
- Water company
- HOA
- Sewer company
- HOA
- Garbage service
- HOA
- Irrigation water rights
- No
Green & certifications
- Energy-efficient features
- Insulated Windows
Rooms & extras
- Window coverings
- Blinds
- Bathtubs
- 1
- Showers
- 2
- Fireplaces on main
- 1
New construction
- Construction methods
- Steel & Concrete
- Square footage source
- Realist
- Effective year built source
- Public Records
Neighborhood mobility
Walk, bike & transit scores
Source: Walk Score®, Bike Score® and Transit Score® are provided by Walk Score (walkscore.com), a third-party service. This is not Northwest MLS listing data.
Schools
Ratings via SchoolDiggerSeattle School District
- Buyer To VerifyPublic · Grades Elementary—
- Buyer To VerifyPublic · Grades Middle—
- Buyer To VerifyPublic · Grades High—
Assigned schools for this property per the listing's MLS data. School district boundaries change — verify the exact assigned schools with the district before purchasing.
Mortgage payment forecast
$51,497 per month
Great rateTakes about 5 minutes & won't affect your credit
Get pre-approvedSource: RexMont estimate, not Northwest MLS listing data. Interest rates from Freddie Mac's Primary Mortgage Market Survey via FRED (Federal Reserve Bank of St. Louis). Property tax and HOA dues from the NWMLS listing where provided, otherwise estimated; insurance estimated at 0.3% of price per year.
Estimate only. Actual payment depends on credit, lender, and program. PMI not included for down payments below 20%.
Ask about this home
A licensed RexMont broker will get back to you, usually in under 5 minutes during business hours.
Listing Broker: Windermere Real Estate Co.; Kim O. Dales; 206-235-7772; kodales@windermere.com
Market pulse
Seattle is a buyer's market.
Inventory is rising and homes are sitting longer. Buyers have room to negotiate.
Offer insight: Homes typically sell with one offer near asking price.
List to sale price: The average home sells for about 2% below list price.
Time on market: The average home goes pending in around 83 days.
Recent sales nearby
Within 1 mile · last 6 months$625,000 Sold
1 day ago
2 bd•2 ba•Condo
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4%
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Days on market
0.6 mi
Distance
$359,000 Sold
1 week ago
•1 ba•Condo
121 Stewart Street #1406, Seattle, WA 98101
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Under list
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Days on market
0.2 mi
Distance
$565,000 Sold
1 week ago
2 bd•1.75 ba•Condo
98 Union Street #503, Seattle, WA 98101
5%
Under list
89
Days on market
0.1 mi
Distance
$695,000 Sold
1 week ago
1 bd•1.5 ba•Condo
1920 4th Avenue #1006, Seattle, WA 98101
0%
Over list
—
Days on market
0.4 mi
Distance
$360,000 Sold
2 weeks ago
2 bd•1 ba•Condo
1400 Hubbell Place #1309, Seattle, WA 98101
9%
Under list
146
Days on market
0.5 mi
Distance
Closed sales from MLS GRID / NWMLS within the past 6 months, matched on property type and within 1 mile. Comps approximate.
Want a deeper read on this market?
Ask a RexMont agentMarket data from MLS GRID / NWMLS · Updated Oct 2026
MLS GRID Disclaimer
Based on information submitted to the MLS GRID as of September 21, 2026 at 11:33pm (date and time MLS GRID Data was obtained). 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.
Listing information courtesy of Northwest Multiple Listing Service (NWMLS). The listing data relating to real estate for sale on this web site comes in part from the Northwest Multiple Listing Service. Real estate listings held by brokerage firms other than RexMont Real Estate are marked with the “Listing courtesy of NWMLS” designation. Information provided is for the consumer’s personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
© 2026 Northwest Multiple Listing Service. All rights reserved.
HO
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