NEW ORLEANS — Affordable and market-rate housing remain among the region’s biggest challenges, two decades after exposed deep problems with blight, limited housing stock and crumbling infrastructure.

While advocates say progress has been made, they also stress that more work lies ahead.

One bright spot has been People’s Housing Plus, formed from the merger of three housing advocacy groups after Katrina. Leaders say the organization has built 250 homes across New Orleans since the storm. The group has also received 19 parcels of land from the city to redevelop for residents in need of affordable housing.

In the Lower Ninth Ward, New Orleans-based nonprofit People’s Housing Plus plans to construct new homes on a recently acquired plot of land. The non-profit’s CEO, Oji Alexander, said the

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