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Listed by Marcus Wyse • Windermere West Metro.Some photos are virtually staged
FOR SALE

$849,000

Est. $4,666/mo

4 bd•2.5 ba•2,300 sq ft

12025 21st Avenue SW, Burien, WA 98146

• Listed Oct 24, 2026•1 day active · 1 cumulative

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★★★★★5.0·1,244 Google reviews

Listing Broker: Windermere West Metro; Marcus Wyse; 206-295-8155; marcus@marcuswyse.com

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Listing Broker: Windermere West Metro; Marcus Wyse; 206-295-8155; marcus@marcuswyse.com

About this home

Welcome to 12025 21st Ave SW! Nestled in the charming Shorewood on the Sound Community, this mid century property will check all the boxes! You'll fall in love with the spacious floor plan, light filled rooms, and gardener's dream lot! This home boasts 2300 sq/ft, 4+ beds, 2.5 baths, a remodeled kitchen with quartz, glass tile backsplash, designer cabinets, and stainless appliances, spacious living room with fireplace, open dining area, primary bed with 3/4 bath, daylight basement with family room with fire, 3/4 bath, and 2-car garage! Gorgeous hardwood floors, updated electrical, gas furnace and H20, tons of driveway parking, and peek view from the private deck! Just a stone's throw from the beach. Welcome home!

Property type
Single Family
Year built
1961
Interior
2,300 sq ft
Lot size
0.2717 acres
Parking
2-car garage
Price / sq ft
$369
HeatingForced Air
CoolingNone
Property taxes$10,740/yr (est.)
School districtHighline

Listed by Marcus Wyse • Windermere West Metro

Listing updated: October 25, 2026 at 11:10am

RexMont checked: moments ago

Source: NWMLS as Distributed by MLS Grid #2597829

Around this home

RexMont OfferEdge™

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12025 21st Avenue SW, Burien, WA 98146

List price
$849,000
Down payment
$169,800

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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
  • Water Heater
  • 2 fireplaces (wood burning)
  • Daylight, Finished basement

Kitchen

  • Dishwasher
  • Disposal
  • Dryer
  • Microwave
  • Refrigerator
  • Stove(s)/Range(s)
  • Washer

Bedrooms

  • 4 bedrooms total
  • 2 upstairs
  • 2 on the lower level

Bathrooms

  • 1 full bathroom
  • 2 three-quarter bathrooms (shower, no tub)
  • 2.5 bathrooms total (NWMLS count)

Layout

  • 1 Story w/Bsmnt.
  • 2,300 sq ft finished
  • 460 sq ft garage

Flooring

  • Ceramic Tile
  • Hardwood
  • Carpet

Heating & cooling

  • Forced Air heating
  • None cooling

Schools

Ratings via SchoolDigger

Highline School District

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.

Single-family home facts

As entered by the listing broker on Northwest MLS

Lot & site

Topography
Level
Vegetation
Garden Space
Lot number
7
Zoning code
Burien R2
Zoning jurisdiction
City
Faces
East
Bus route
H Line

Systems

Energy source
Natural Gas
Power production
Natural Gas
Water heater
Gas
Water heater location
Bsmt
Power company
SCL
Water company
SPU
Sewer company
Southwest Suburban Sewer Dist
Gas company
PSE
Garbage service
Recology
Irrigation water rights
No
Internet connected
Quantum Fiber

Rooms & extras

Bathtubs
1
Showers
3
Fireplaces on main
1
Fireplaces lower level
1

New construction

Square footage source
Public Records
Lot size source
Public Records
Effective year built source
Public Records

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

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Sales & Tax Records for 12025 21st Avenue SW

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 24, 2026
    Listed
    NWMLS via MLS Grid · #2597829
    $849,000
    $369/sq ft
  2. Jun 17, 2016
    Sold
    NWMLS via MLS Grid · #935057
    $549,000
    $239/sq ft
  3. May 21, 2016
    Pending
    NWMLS via MLS Grid · #935057
    $549,000
    $239/sq ft
  4. May 21, 2016
    Price reduced
    NWMLS via MLS Grid · #935057
    $549,000
    $239/sq ft
  5. May 2, 2016
    Listed
    NWMLS via MLS Grid · #935057
    $569,000
    $247/sq ft
  6. Dec 16, 1993
    Recorded sale
    King County recorder · Warranty deed
    $185,000
    $80/sq ft

Down payment assistance

6 programs may be available to provide you with up to $42,450 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

$5,773 per month

Great rate
Principal and interest
Property taxes
HOA dues
Home insurance

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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 West Metro; Marcus Wyse; 206-295-8155; marcus@marcuswyse.com

Market pulse

Burien 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 59 days.

Recent sales nearby

Within 1 mile · last 6 months
  • $650,000 Sold

    1 week ago

    4 bd•1 ba•~1,531 sq ft•Single Family

    12286 Shorewood Drive SW, Seattle, WA 98146

    6%

    Under list

    36

    Days on market

    0.3 mi

    Distance

  • $635,000 Sold

    2 weeks ago

    3 bd•1.5 ba•~920 sq ft•Single Family

    2401 SW 112th Street, Burien, WA 98146

    2%

    Over list

    51

    Days on market

    0.5 mi

    Distance

  • $620,000 Sold

    4 weeks ago

    4 bd•1.75 ba•~1,620 sq ft•Single Family

    906 SW 130th Street, Burien, WA 98146

    3%

    Under list

    47

    Days on market

    0.9 mi

    Distance

  • $699,000 Sold

    4 weeks ago

    3 bd•1.75 ba•~1,366 sq ft•Single Family

    1102 SW 124th Street, Burien, WA 98146

    0%

    Over list

    32

    Days on market

    0.6 mi

    Distance

  • $600,000 Sold

    5 weeks ago

    4 bd•1.5 ba•~1,670 sq ft•Single Family

    10833 11th Avenue SW, Seattle, WA 98146

    2%

    Over list

    26

    Days on market

    0.9 mi

    Distance

Closed sales from MLS GRID / NWMLS within the past 6 months, matched on property type and within 1 mile. Comps approximate.

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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 25, 2026 at 3:58 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.

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© 2026 Northwest Multiple Listing Service. All rights reserved.

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