About 6221 S 129th Street
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 on 0.53 acres in unincorporated King County is something you don't want to miss! Come take a look and see all the possibilities, there is also an adjacent property on half an acre with two homes, one is a 3 bedroom 1 bath, the other is a studio/tiny home and can be purchased as well, pick up both properties and own an acre property with r24 zoning just outside of city limits. Possible lot line adjustment or short plat, buyer to verify. If looking for a residential home with added value, 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!
Features of 6221 S 129th Street
| MLS® # | 2495047 |
|---|---|
| Price | $1,400,000 |
| Bedrooms | 3 |
| Bathrooms | 1.50 |
| Full Baths | 1 |
| Half Baths | 1 |
| Square Footage | 1,710 |
| Acres | 0.53 |
| Year Built | 1926 |
| Type | Residential |
| Sub-Type | Single Family Residence |
| Style | See Remarks |
| Status | Active |
Community Information
| Address | 6221 S 129th Street |
|---|---|
| Area | 360 - Skyway Area |
| Subdivision | Skyway |
| City | Seattle |
| County | King |
| State | WA |
| Zip Code | 98178 |
Amenities
| Parking Spaces | 4 |
|---|---|
| Parking | Driveway, Detached Garage, Off Street |
| Is Waterfront | No |
Interior
| Interior Features | Bath Off Primary, Ceiling Fan(s), Dining Room, Fireplace, Skylight(s) |
|---|---|
| Appliances | Dishwasher, Double Oven, Microwave, Refrigerator, Stove(s)/Range(s), Washer |
| Heating | Fireplace Insert, Wall Furnace |
| Cooling | None |
| Fireplace | Yes |
| # of Fireplaces | 1 |
| Fireplaces | Wood Burning |
Exterior
| Exterior Features | Wood |
|---|---|
| Lot Description | Curbs, Paved, Secluded, Sidewalk, Value In Land |
| Foundation | Pillar/Post/Pier |
School Information
| District | Renton |
|---|
Additional Information
| Date Listed | March 20th, 2026 |
|---|---|
| Days on Market | 160 |
| Foreclosure | No |
| Short Sale | No |
| RE / Bank Owned | No |
Listing Details
| Office | Kelly Right RE of Seattle LLC |
|---|