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 r24 zoning. 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! Possible Seller Financing
Listed by Nicole Finamore
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Kelly Right RE of Seattle LLC
Last updated April 29, 2026
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Source: NWMLS #2495047
Listing Facts
TypeSingle-family
NeighborhoodWest Hill
Bedrooms3
Bathrooms2
Days on Prevu42
Taxes$6,953/year
Size1,710 sqft
Price per sqft$819
Amenities
Dishwasher
Washer/Dryer
Pets Allowed
Parking
Location
Mortgage Calculator
Listing History
03/20/2026
Listed by Kelly Right RE of Seattle LLC
$1,400,000
Property Details for 6221 S 129th Street
Exterior
Construction
Roof: Composition
Structure Type: House
Year Built: 1926
Construction Materials: Wood
Entry Location: Main
Exterior Features: Wood
Measurements
Building Area Total: 1,710
Building Area Units: Square Feet
Lot Features: Curbs, Paved, Secluded, Sidewalk, Value In Land
Parking Features: Driveway, Detached Garage, Off Street
Parking Total: 4
Schools
High School
High School District: Renton
Utilities
Equipment
Has Heating: Yes
Sewer: Available, Sewer Connected
Water Source: Public
Frequently Asked Questions
How many bedrooms and bathrooms does this single-family home have?
There are 3 bedrooms and 2 bathrooms in this single-family home at 6221 S 129th Street.
Does this single-family home have parking?
Yes, there are 4 parking spaces available for 6221 S 129th Street.
What are the annual taxes for 6221 S 129th Street?
Annual taxes for this single-family home are estimated at $6,953.
How does 6221 S 129th Street compare to other single-family homes in West Hill?
This single-family home is listed 39% above the average price for single-family homes in West Hill and has been on the market for 46 less days than the typical home in this area.
What is the square footage on this single-family home?
According to the MLS, this listing is 1,710 sqft.
6221 S 129th Street is a 3-bedroom, 2-bath single-family home for sale in Seattle WA 98178. On Prevu for 42 days at $1,400,000. This residence features 1,710 square feet of living space, located in West Hill. The median listing price for single-family homes in this area is $974,900. The home offers dishwasher, pets allowed, parking, and washer/dryer. Explore more single-family home listings in King County.
Based on information from NWMLS and/or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by Prevu or the MLS. Information is provided exclusively for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumer may be interested in purchasing.
Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.