Long Island housing prices continued to rise, compiling twenty-fourth consecutive quarters without a year over year decline. Median sales price rose 4.9% to $429,999 from the same period last year. Average sales price showed the same pattern rising 4.1% to $507,028; the highest first quarter level reached in thirteen years. Luxury median sales price, representing the top ten percent of all sales, increased 7.5% to $1,070,000, the first…