It’s been three weeks since Hurricane Harvey roared through Houston, inundating large swathes of the city. Thousands of homes were damaged in the floods. And like it has done so many times in the past, the city is now rebuilding.

So far, the signs look encouraging: the path to recovery appears speedy and the housing market, resilient. But for the poorer residents of color in the city—those who, by design, live in areas more vulnerable to flooding—this road to normalcy might be longer and more ard…