Sold279d on market
421 s 309th Street
Federal Way, WA, 98003 • Mirror Lake • King County
$565,000
$276/sqft
4Beds
3Baths
2,050Sqft
0.17 acLot
1977Built
Property DNA
Mirror Lake
Mirror Lake
Outdoor Living
Bath Off Primary · Ceiling Fan(s) · Double Pane/Storm Window · Dining Room · Fireplace · French Doors · Skylight(s) · Vaulted Ceiling(s) · Water Heater
3 Fireplaces
Wood Burning · Lower Level: 1 · Upper Level: 2 · Fireplace
2-Car Garage
Attached Garage · RV Parking
Market activity
Demand and pricing signals for this listing
7 views
People checking out this listing
279 days on market
Established listing
$276/sqft
Price per square foot
About this home
Single Family · Built 1977
A fantastic opportunity in Federal Way’s sought-after Mirror Lake neighborhood! This 4-bed, 3-bath home offers great bones, recent big-ticket upgrades, and plenty of room to make it your own. Spacious split-level is ready for you to add your touch.Enjoy two generously sized living areas, both with direct access to the large backyard, ready to be reimagined into your own private oasis. Recent updates include a brand-new roof, all-new windows throughout, new tankless H20 heater & low-maintenance LVP flooring across the home. The oversized 2-car garage and extra RV/boat parking are rare finds. With so much potential in a desirable location near parks, schools, and major routes, this is the perfect value-add opportunity you’ve been waiting for!
Standout features identified
Our analysis highlights large backyard, all-new windows, and low-maintenance lvp flooring as key attractions of this home.
Estimated monthly payment
Based on current rates
$3,517/month
Principal & Interest$2,764
Property Tax$565
Insurance$188
Down payment20% ($113,000)
3%50%
Est. 6.18% rate · 30yr fixed · $452,000 loan
Full calculator →At a glance
Key facts and listing details
TypeSingle Family Residence
Year Built1977
HeatingFireplace, Forced Air, Electric, Natural Gas
CoolingNone
Parking2 Attached Garage spaces
Lot7,348 sqft
Property
Home typeSingle Family
Sub-typeSingle Family Residence
Year built1977
Systems
HeatingFireplace, Forced Air, Electric, Natural Gas
CoolingNone
RoofComposition
ConstructionMetal/Vinyl, Wood Siding
Water / SewerPublic, Company: Lakehaven / Sewer Connected, Company: Lakehaven
Parking & Outdoor
ParkingAttached Garage, RV Parking
Garage2 spaces
BasementFinished
Fireplaces3
Lot7,348 sqft
Location & Tax
NeighborhoodMirror Lake
Annual tax$5,579
Parcel2413300900
Bathrooms & Fees
Full baths1
Features & details
12 categories of property features
Interior Features
Interior
Bath Off Primary
Ceiling Fan(s)
Dining Room
Appliances
Dishwasher(s)
Disposal
Dryer(s)
Microwave(s)
Refrigerator(s)
Stove(s)/Range(s)
Washer(s)
Garbage Disposal
Water Heater: Tankless
Water Heater Location: Laundry room
Flooring
Laminate
Heating
Fireplace
Forced Air
Electric
Natural Gas
Cooling
None
Fireplace
Wood Burning
Lower Level: 1
Upper Level: 2
Fireplace
Windows
Double Pane/Storm Window
Skylight(s)
Exterior Features
Parking
Attached Garage
RV Parking
Construction
Metal/Vinyl
Wood Siding
Patio & Porch
Bath Off Primary
Ceiling Fan(s)
Double Pane/Storm Window
Dining Room
Fireplace
French Doors
Skylight(s)
Vaulted Ceiling(s)
Water Heater
Lot Features
Curbs
Paved
Sidewalk
Cable TV
Deck
Fenced-Partially
Gas Available
High Speed Internet
Patio
RV Parking
Other Equipment
Leased Equipment: No
Room details
10 rooms detailed
Bedroom
MainBedroom
MainBedroom
MainBedroom
LowerBathroom Three Quarter
MainBathroom Full
MainListing insights
Market data and value estimates
StatusSold
Days on market279
Est. value$565,900
Est. rent$3,267/mo
Tax rate0.82%
Price/sqft$276
On marketAug 1, 2025
PostedJun 13, 2025
Last sold$565,000
MLS statusSold
MLS updatedAug 2, 2025
Tour days6
Views7
How are the schools in Federal Way?
3 schools rated nearby
Location
Federal Way, WA, 98003
Price history
4 events
DateEventPrice$/sqftSource
Jul 2, 2025Sold$565,000$276NWMLS as distributed by MLS GRID
Jun 14, 2025Pending Sale$545,000$266NWMLS as distributed by MLS GRID
Jun 13, 2025Listed For Sale$545,000$266NWMLS as distributed by MLS GRID
Jul 26, 2018Sold$266,580$130Public Record
Sold$565,000
Jul 2, 2025•$276/sqft•NWMLS as distributed by MLS GRID
Pending Sale$545,000
Jun 14, 2025•$266/sqft•NWMLS as distributed by MLS GRID
Listed For Sale$545,000
Jun 13, 2025•$266/sqft•NWMLS as distributed by MLS GRID
Sold$266,580
Jul 26, 2018•$130/sqft•Public Record
Tax history
21 years of records
YearTax paidAssessed value
Apr 8, 2024$5,579$556,000
Apr 8, 2023$5,537$504,000
Apr 8, 2022$5,390$547,000
Apr 8, 2021$5,274$465,000
Apr 8, 2020$4,778$395,000
Apr 8, 2019$4,404$368,000
Apr 8, 2018$4,068$352,000
Apr 8, 2017$4,453$312,000
Apr 8, 2016$3,420$265,000
Apr 8, 2015$3,420$246,000
Apr 8, 2014$3,420$234,000
Apr 8, 2013$3,420$188,000
Apr 8, 2012—$179,000
Apr 8, 2011—$210,000
Apr 8, 2010—$242,000
Apr 8, 2009—$242,000
Apr 8, 2007—$238,000
Apr 8, 2006—$221,000
Apr 8, 2005—$205,000
Apr 8, 2001$2,167$161,000
Apr 8, 2000$2,139$153,000
Nearby homes
Neighborhood details
Local context around this listing
Federal Way, WA • King County
Nearby neighborhoods
AdelaideAlderbrookCampus HighlandsLaurelwoodMadronaMirror LakeRedondoSteel LakeTwin LakesWest Campus
Nearby cities
AuburnBellevueBothellFederal WayKentKirklandRedmondRenton
Nearby zip codes
98003980239806398093
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Based on information submitted to the MLS GRID as of 2026-04-07 20:08:58 PDT. 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. [Click here for more information](/mls-disclaimers/#39)
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