Plan (Harlow) SIX MONTHS MORTGAGE ON US – Learn how to get rates as low as 3.99% for a limited time only! MCKINNEY ISD LAGOON LIVING – Lagoon life is coming to Venetian in McKinney ISD! These expansive master-planned communities feature white sand beaches, clear blue water, and activities. Our Harlow plan is a one-story, 1926 square foot home featuring four bedrooms, two bathrooms and a two-car garage.