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Listed by Lis Brown • Windermere Mercer Island.Some photos are virtually staged
FOR SALE

$730,000

Est. $4,043/mo

Price reduced $20,000 from the original $750,000 asking price

3 bd•2.25 ba•1,320 sq ft

310 21st Avenue #A, Seattle, WA 98122

• Listed Jul 15, 2026•89 days active · 89 cumulative

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★★★★★5.0·1,242 Google reviews

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

New Price AND Seller offering $10,000 Buyer Credit! Style meets eco-friendly comfort in this sophisticated 4-Star Built Green townhome! Its great room layout feels airy and bright with tall windows rising to lofty ceilings on every floor. Relax by the fireside in the integrated living and dining area. Beyond, the open kitchen makes cooking a breeze with its sleek stainless appliances, European-inspired cabinetry, and quartz countertops. Enjoy the efficient hydronic system with tankless water heater and the radiant heated concrete floors to warm your toes in winter, while mini splits keep you cool all summer long. Step out to your private patio, or head upstairs for parties on the sunny rooftop deck with a handy water spigot and troughs that stay for easy container gardening. If you want to up the gardening game, you will love being able to harvest fresh produce from your sidewalk planting troughs or visit the nearby community garden. At the end of the day, your top-floor primary suite awaits you with a custom walk-in closet and spa-inspired bath. Two more bedrooms, jack-n-jill full bath plus convenient upstairs laundry complete this just-right home. Your low-maintenance lifestyle includes dedicated parking and no homeowner's dues. Stroll to Swedish Hospital, the high school, coffee, parks, dining, and night life from this central location. Great bike and transit access to downtown, too! Home is freshly painted inside and out, inspected, and all ready for its new owners.

Property type
Townhouse
Year built
2015
Interior
1,320 sq ft
Lot size
0.0233 acres
Parking
Off Street
Price / sq ft
$553
HeatingDuctless, Radiant
CoolingDuctless
Property taxes$8,463/yr (est.)
School districtSeattle

Listed by Lis Brown • Windermere Mercer Island

Listing updated: October 8, 2026 at 11:16pm

RexMont checked: moments ago

Source: NWMLS as Distributed by MLS Grid #2554914

Around this home

RexMont OfferEdge™

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310 21st Avenue #A, Seattle, WA 98122

List price
$730,000
Down payment
$146,000

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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

  • Bath Off Primary
  • Ceiling Fan(s)
  • Dbl Pane/Storm Window
  • Fireplace
  • Vaulted Ceiling(s)
  • Walk-In Closet(s)
  • Water Heater
  • Fireplace (gas)

Kitchen

  • Dishwasher
  • Disposal
  • 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
  • 1,320 sq ft finished

Flooring

  • Concrete
  • Laminate
  • Carpet

Heating & cooling

  • Ductless heating
  • Radiant heating
  • Ductless cooling

Schools

Ratings via SchoolDigger

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
West

Systems

Energy source
Electric,Natural Gas
Power production
Electric, Natural Gas
Water heater
Tankless - gas
Water heater location
Closet
Power company
Seattle City Light
Water company
Seattle Public Utilities
Sewer company
Seattle Public Utilities
Gas company
PSE
Garbage service
Seattle Public Utilities
Irrigation water rights
No

Green & certifications

Green certification
Built Green™
Built Green rating
4-Star

Rooms & extras

Bathtubs
1
Showers
2
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.

Members

Opens with the report above.

Sales & Tax Records for 310 21st Avenue #A

NWMLS via MLS Grid · King County Assessor

Every 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.

  1. Oct 9, 2026
    Price reduced
    NWMLS via MLS Grid · #2554914
    $730,000
    $553/sq ft
  2. Jul 15, 2026
    Listed
    NWMLS via MLS Grid · #2554914
    $750,000
    $568/sq ft
  3. Aug 7, 2017
    Sold
    NWMLS via MLS Grid · #1146479
    $700,000
    $530/sq ft
  4. Jun 30, 2017
    Pending
    NWMLS via MLS Grid · #1146479
    $659,000
    $499/sq ft
  5. Jun 28, 2017
    Listed
    NWMLS via MLS Grid · #1146479
    $659,000
    $499/sq ft
  6. Jul 7, 2015
    Recorded sale
    King County recorder · Statutory warranty deed
    $521,000
    $395/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

$4,931 per month

Great rate
Principal and interest
Property taxes
HOA dues
Home insurance

Takes about 5 minutes & won't affect your credit

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Source: 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%.

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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.

Buyer's marketSeller's market
  • 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 45 days.

Want a deeper read on this market?

Ask a RexMont agent

Market data from MLS GRID / NWMLS · Updated Oct 2026

Information and statistics derived from Northwest Multiple Listing Service. Source: Northwest Multiple Listing Service, as distributed by MLS GRID.

MLS GRID Disclaimer

Based on information submitted to the MLS GRID as of October 13, 2026 at 7:02 PM PT (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.

Some IDX listings have been excluded from this website.

© 2026 Northwest Multiple Listing Service. All rights reserved.

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