Williamson County cities lead Nashville suburban home values in 2026, with Brentwood at a median price of $1.6 million. Franklin's median prices range from $870,000 to $975,000, and Nolensville is at $915,000. Mt. Juliet, Hendersonville, and Spring Hill have median prices above $500,000. Most other suburbs fall between $300,000 and $400,000. Davidson County's median is $525,000.