6221 S 129th St

Seattle, WA 98178

$1,400,000
Price
3
Beds
1,710 Sq. Ft.
$819 / Sq. Ft.
1,710
Sq. Ft.
$819
per Sq. Ft.
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a front view of a house with a yard and garage
a view of an empty room with window and wooden floor
a view of empty room with wooden floor and fireplace
a view of empty room with wooden floor and fan
a view of empty room with window
an empty room with wooden floor and windows
a bathroom with a sink and tub
a bathroom with a toilet and a sink
a bathroom with a toilet and a shower
en empty room with windows and fireplace
an empty room with a empty space and window
a view of a house with a yard
a view of a large building
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a front view of a building
Listing provided courtesy of Kelly Right RE of Seattle LLC
Source: Northwest MLS

Description

Development opportunity-R24 zoning with potential for 12 units. This property is a gem with unlimited potential if you are looking to build. This rare r24 zoned property in unincorporated King County is something you don't want to miss! Come take a look and see all the possibilities, adjacent lot on half an acre can be purchased as well, pick up both and own an acre property with great zoning within city limits! Possible lot line adjustment or short plat, buyer to verify. If looking for a residential...Development opportunity-R24 zoning with potential for 12 units. This property is a gem with unlimited potential if you are looking to build. This rare r24 zoned property in unincorporated King County is something you don't want to miss! Come take a look and see all the possibilities, adjacent lot on half an acre can be purchased as well, pick up both and own an acre property with great zoning within city limits! Possible lot line adjustment or short plat, buyer to verify. If looking for a residential home this conveniently located three bedroom with two bath house is close to everything; freeways, the airport, Lake Washington, and downtown Seattle. This property is roomy enough to fit all your toys and the detached garage can be used as storage or can be built out as an ADU, whatever your needs come see this property before it's gone!
  1. Listed by Nicole Finamore • Kelly Right RE of Seattle LLC
    P: (206)-525-5235 nfinamore@gmail.com

Property Details for 6221 South 129th Street

Community Name
Skyway
School District
Renton
Number of Assigned Spaces
4
Total Covered Parking
4
Entry Date
03-20-2026
Energy Source
Electric,Wood
Sewer
Available, Sewer Connected
LISTING UPDATED: 03/27/2026 01:42 PM

Property Details for 6221 South 129th Street

StatusActive
MLS #2495047
Days on Market22
Cumulative Days on Market22
Taxes$6,953 / year
HOA Fees-
Condo/Co-op Fees-
Property TypeSingle Family
MLS TypeResidential
Year Built1926
Lot Size0.53 AC / 23,087 SF
CountyKing County
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Location

Listing Courtesy of Kelly Right RE of Seattle LLC
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Building Information for 6221 South 129th Street

Stories-Year Built1926Building Size-Lot Size0.53 AC / 23,087 SF

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$7,629 per month

30 year fixed, 6.46% Interest

Principal and Interest

$7,050

Property Taxes

$579

HOA Dues

$0

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Property Information for 6221 South 129th Street

Summary
Location and General Information
  • Style: 12 - 2 Story
  • Building Information: Built On Lot
  • Site Features: Cabana/Gazebo, Fenced-Partially, Gated Entry, Outbuildings
  • Area: 360 - Skyway Area
  • Directions: From the corner of south MLK Way, and S 129th Street, go east on S 129th street, the property will be on your right, the second residential driveway.
  • Property Sub Type: RESI
  • Bus Line Nearby: true
  • View: No
  • Waterfront: No
  • Entry Location: Main
Taxes and HOA Information
  • Tax Year: 2025
Parking
  • Attached Garage: No
  • Carport: No
  • Garage: Yes
  • Parking Type: Driveway Parking, Garage-Detached, Off Street
  • Open Parking: No
  • Parking Features: Driveway, Detached Garage, Off Street
Interior and Exterior Features
Bathroom Information
  • Full Bathrooms: 1
  • Three Quarter Bathrooms: 0
  • Half Bathrooms: 1
  • Full Baths Lower: 0
  • Full Baths Main: 1
  • Full Baths Upper: 0
  • Three Quarter Baths Lower: 0
  • Three Quarter Baths Main: 0
  • Three Quarter Baths Upper: 0
  • Half Baths Lower: 0
  • Half Baths Main: 1
  • Half Baths Upper: 0
  • Full Baths Garage: 0
  • Half Baths Garage: 0
  • Three Quarter Baths Garage: 0
  • Main Level Bathrooms: 2
Bedroom Information
  • Bedrooms Main: 1
  • Bedrooms Upper: 2
  • Bedrooms Lower: 0
  • Bedrooms Possible: 3
  • Master Bedroom Level: Main
Interior Features
  • Fireplaces Total: 1
  • Fireplaces Main: 1
  • Floor Covering: Ceramic Tile, Hardwood
  • Basement: None
  • Features: Bath Off Primary, Ceiling Fan(s), Dining Room, Fireplace, Skylight(s)
  • Room and Floor: Den/Office-Second, Dining Room-Main, Entry Hall-Main, Family Room-Main, Kitchen With Eating Space-Main, Living Room-Main, Primary Bedroom-Main, Bedroom-Second, Bathroom Full-Main, Bathroom Half-Main
  • Appliances: Dishwasher, Double Oven, Microwave, Refrigerator, Stove(s)/Range(s), Washer
  • Cooling: No
  • Cooling: None
  • Fireplace Features: Wood Burning
  • Fireplace: Yes
  • Heating: Yes
  • Heating: Fireplace Insert, Wall Furnace
  • Room List: Den/Office, Dining Room, Entry Hall, Family Room, Kitchen With Eating Space, Living Room, Primary Bedroom, Bedroom, Bathroom Full, Bathroom Half
  • Number Of Showers: 1
Exterior Features
  • Exterior: Wood
  • Roof: Composition
  • Appliances That Stay: Dishwasher(s),Double Oven,Microwave(s),Refrigerator(s),Stove(s)/Range(s),Washer(s)
  • Security Features: Partially Fenced, Security Gate
Property
Utilities
  • Water Source: Public
  • Power Company: Seattle City Light
  • Sewer Company: Skyway Water and Sewer
  • Water Company: Skyway Water and Sewer
  • Power Production Type: Electric, Wood
Property and Assessments
  • New Construction YN: No
  • Senior Exemption: No
  • Zoning Jurisdiction: County
  • Foundation: Pillar/Post/Pier
  • Level: Two
  • Lot Topography: Level
  • MLS Square Footage Source: Realist
  • Preliminary Title Ordered: Yes
  • Senior Community: No
  • Special Listing Conditions: None
  • Photos Count: 20
Lot Information
  • Lot Details: Curbs, Paved, Secluded, Sidewalk, Value In Land
  • Lot Number: 112
  • Lot Size Source: tax records
  • Parcel Number Free Text: 2172000590
  • Calculated Square Footage: 1710
  • Structure Type: House
  • Square Footage Finished: 1710
  • Square Footage Unfinished: 0
  • Vegetation: Brush, Fruit Trees, Garden Space, Wooded
  • Building Area Total: 1710.0
  • Building Area Units: Square Feet
  • Property Type: Residential
  • Elevation Units: Feet
  • Irrigation Water Rights: No
Rental
Rent Information
  • Occupant Type: Vacant
  • Land Lease: No

Property History for 6221 South 129th Street

DateEvent & SourcePriceAppreciation
Mar 20, 2026

Listed (Active)

NWMLS #2495047

$1,400,000—
Sep 27, 2005

Sold (Public Record)

Public Record #166166732

$260,000—
DateEvent & SourcePrice
03/20/2026

Listed (Active)

NWMLS #2495047

$1,400,000
09/27/2005

Sold (Public Record)

Public Record #166166732

$260,000

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Public Records for 6221 South 129th Street

Taxable ValueLand$604,000Additions$1,000Total$605,000
Tax Record2024$6,953 ($579 / month)
Home Facts
Beds3Baths1Total Finished SqFt1,710 SqFtAbove Ground SqFt1,710 SqFtStories2Lot Size23,290 SqFtStyleSingle Family ResidenceYear Built1926ZoningR24CountyKINGAPN217200-0590Fireplace TypeHas Fireplace

Schools near 6221 South 129th Street

This home is within Renton School District.
Rating
School
Type
Grades
Distance
Campbell Hill Elementary School
Public - K to 5
Dimmitt Middle School
Public - 6 to 8
Renton Senior High School
Public - 9 to 12
Griffin Home
Public - 6 to 12
Rating
School
Distance
Campbell Hill Elementary School
PublicK to 5

Dimmitt Middle School
Public6 to 8

Renton Senior High School
Public9 to 12

Griffin Home
Public6 to 12

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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More information about 6221 South 129th Street, Seattle, WA 98178

6221 South 129th Street is a single family home for sale in Seattle, WA 98178. This property was listed for sale on March 20, 2026 by Kelly Right RE of Seattle LLC, it's currently listed at $1,400,000. It has been on the market for a total of 22 days and was last sold on September 27, 2005. This listing's school district is Renton School District. Nearby schools include Campbell Hill Elementary School, Dimmitt Middle School and Renton Senior High School. 6221 South 129th Street is a 3-bed, 2-bath, 1,710 sqft single family home built in 1926.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity.

Listing Courtesy of Kelly Right RE of Seattle LLC

Based on information submitted to the MLS GRID as of 03/27/2026 01:42 PM. 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. Properties displayed may be listed or sold by various participants in the MLS. IDX information is provided exclusively for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data is deemed reliable but is not guaranteed by MLS GRID. Use of the MLS GRID data may be subject to an end user license agreement prescribed by the applicable MLS of the Member Participant, if any, and as amended from time to time.