The earlier thread concerning development at 3531 and 3541 SW 100th Street in Arbor Heights appears to be closed.
For those who asked, the owner has applied with the Seattle Planning Department to short plat the two properties into five lots (dividing 3531 into two parcels, and 3541 into three parcels), and then build houses on the lots.
The documents are online at the Department of Planning and Development. The shortened URL is http://tinyurl.com/lr9chom, then click on the Documents tab to access all the documents.