Residential real estate activity in the Kootenay-Boundary region strengthened in April, outperforming many other markets in British Columbia even as inventory remained constrained, according to the Association of Interior Realtors. The association reported 283 sales in the region last month, up from 227 in March and eight per cent higher than April 2025. New listings totalled 552, down 2.6 per cent from a year earlier but up from 499 in March, w…