For sale signs line the yards of newly renovated homes along Woodward Avenue in McKees Rocks. The properties are part of the first phase of the Brookline-based nonprofit LEVEL: Equity Buildings’ multimillion-dollar homeownership and community redevelopment initiative, which launched in 2022. “Our housing stock is the oldest of any major metropolitan area in the country, and 90% of affordable housing is rental. LEVEL’s McKees Rocks project was not the only affordable housing unveiled this week. Mon Valley Initiative works to rebuild infrastructure in the Monongahela Valley communities across Allegheny, Washington and Westmoreland counties, according to their website.