$750,000
Est. $4,154/mo3 bd•2.25 ba•1,350 sq ft
310 21st Avenue #B, Seattle, WA 98122
• Listed Sep 12, 2026•30 days active · 30 cumulative
Listing Broker: Windermere Mercer Island; Lis Brown; 206-200-3941; lisbrown@windermere.com
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Listing Broker: Windermere Mercer Island; Lis Brown; 206-200-3941; lisbrown@windermere.com
About this home
Enjoy the ease of a townhome with the perks of single-family living...and without the HOA dues! This 4-star built green home provides exceptional earth-friendly efficiency with sophisticated finishes and upgrades. Its lofty, great room layout lives large with all the right spaces—whether you're gathering around the fireplace, dining alongside views to your private patio, or whipping up your favorite meals on new stainless-steel appliances in the stylish European-inspired kitchen. The fun continues up on the rooftop deck, with couches and fire tables included so it's ready for your next al fresco party. Three bedrooms provide ample flex-space to live, work, and host guests. Retreat to your luxurious primary suite with wrap-around windows, a walk-in closet, and sumptuous 3/4 bath dressed in designer tile. Love the mounted flat screen TVs and Peloton bike? Those are included in the sale as well! Other extras include fresh interior/exterior paint, an included garden shed, toasty radiant-heated floors, newer mini-splits for additional H.E. heating/cooling, and your own dedicated parking space off the alley. With a high walk score, this convenient location is just a stroll away from neighborhood parks, shops, and restaurants. Great bike and transit access, too. This is in-city living at its best!
Listed by Lis Brown • Windermere Mercer Island
Listing updated: September 23, 2026 at 11:31pm
RexMont checked: moments ago
Source: NWMLS as Distributed by MLS Grid #2580887
Around this home
How much should you offer?
310 21st Avenue #B, Seattle, WA 98122
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
- Second Primary Bedroom
- Bath Off Primary
- Dbl Pane/Storm Window
- Fireplace
- French Doors
- High Tech Cabling
- Security System
- Vaulted Ceiling(s)
- Walk-In Closet(s)
- Water Heater
- Fireplace (gas)
Kitchen
- Dishwasher
- Dryer
- Microwave
- Refrigerator
- Stove(s)/Range(s)
- Tankless Water Heater
- Washer
Bedrooms
- 3 bedrooms total
- 3 upstairs
Bathrooms
- 1 full bathroom
- 1 three-quarter bathroom (shower, no tub)
- 1 half bathroom
- 2.25 bathrooms total (NWMLS count)
Layout
- Townhouse
- 1,350 sq ft finished
Flooring
- Bamboo/Cork
- Ceramic Tile
- Concrete
- Carpet
Heating & cooling
- Ductless heating
- Heat Pump heating
- Radiant heating
- Ductless cooling
Schools
Ratings via SchoolDigger- Adams Elementary SchoolPublic · Grades K-5 · 6.2 mi · State rank 75 of 1,16010/10
- Aki Kurose Middle SchoolPublic · Grades 6-8 · 4.2 mi · State rank 240 of 5346/10
- Alan T. Sugiyama High SchoolPublic · Grades 9-12 · 5.7 mi—
Schools shown are the nearest public Elementary, Middle, and High school for this property and may not be the assigned schools. Verify attendance boundaries with the district before purchasing.
Townhome facts
As entered by the listing broker on Northwest MLS
Lot & site
- Topography
- Level
- Zoning jurisdiction
- City
- Faces
- North
Systems
- Energy source
- Natural Gas
- Power production
- Natural Gas
- Water heater
- Tankless - hydronic
- Water heater location
- Closet
- Power company
- Seattle City Light
- Water company
- City of Seattle
- Sewer company
- City of Seattle
- Gas company
- PSE
- Garbage service
- City of Seattle
- Irrigation water rights
- No
Green & certifications
- Green certification
- Built Green™
- Built Green rating
- 4-Star
Rooms & extras
- Bathtubs
- 1
- Showers
- 1
- Fireplaces on main
- 1
New construction
- Square footage source
- Realist
- Lot size source
- Realist
Manufactured home
- Land lease
- No
Neighborhood mobility
Doorstep, Pedal & Station Scores
Three RexMont scores for this exact address: what is on foot, what is by bike, and what rides past the door.
Ground Truth™
The ground, the slope, the flood zone and the noise at this address
Read from public hazard, flood, terrain and noise maps for this exact home.
Address Insider™
The members' report
Commute, transit, zoning and ADU potential, internet providers and the lifestyle around the home: the nearest grocery, coffee, park, services and transit stop. One free registration opens every home on rexmont.com.
Opens with the report above.
Sales & Tax Records for 310 21st Avenue #B
NWMLS via MLS Grid · King County AssessorEvery listing, pending, price change and closing filed on this home with the NWMLS, the county’s recorded sales, and its assessed values by tax year.
- Sep 12, 2026ListedNWMLS via MLS Grid · #2580887$750,000$556/sq ft
- Jul 14, 2017SoldNWMLS via MLS Grid · #1143969$706,200$523/sq ft
- Jun 27, 2017PendingNWMLS via MLS Grid · #1143969$659,000$488/sq ft
- Jun 22, 2017ListedNWMLS via MLS Grid · #1143969$659,000$488/sq ft
- Jun 13, 2015Recorded saleKing County recorder · Statutory warranty deed$510,000$378/sq ft
Down payment assistance
7 programs may be available to provide you with up to $110,000 in down payment assistance, depending on your specific information.
Northwest MLS lists this home as eligible for down payment assistance programs
Source: program list compiled by RexMont from ARCH (A Regional Coalition for Housing) member-jurisdiction information. This is not Northwest MLS listing data.
Mortgage payment forecast
$5,003 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%.
Commute times
Driving times to major Puget Sound employers, modeled at a typical Tuesday 8:30am rush hour. Powered by Google Maps live traffic data.
Microsoft (Redmond)
Peak (Tue 8:30am)
Amazon HQ (Seattle)
Peak (Tue 8:30am)
Google (Kirkland)
Peak (Tue 8:30am)
Downtown Bellevue
Peak (Tue 8:30am)
Downtown Seattle
Peak (Tue 8:30am)
Ask about this home
A licensed RexMont broker will get back to you, usually in under 5 minutes during business hours.
Listing Broker: Windermere Mercer Island; Lis Brown; 206-200-3941; lisbrown@windermere.com
Market pulse
Seattle is a balanced market.
Supply and demand are roughly in balance. Neither side has a clear edge.
Offer insight: Well-priced homes draw multiple offers; others sell close to asking.
List to sale price: The average home sells very close to list price.
Time on market: The average home goes pending in around 44 days.
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 23, 2026 at 11:31pm (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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