Kauai County, HI real estate

What the numbers say

Kauai County, HI real estate at a glance

By AstroCore · Realtor.com, US Census and Freddie Mac data

In September 2026, the median home in Kauai County listed for $1,507,750, up 8.1% from a year earlier. That is 106% above the Hawaii median of $732,450.

Homes spent a median of 116 days on the market, slower than 105 days a year ago. That makes Kauai County the #3 fastest-selling of 4 Hawaii counties we track.

Homeowners in Kauai County pay a median of $1,866 a year in property taxes on a median home value of $873,200, an effective rate of about 0.21%. The Hawaii average is 0.27%, which makes Kauai County the #2 lowest-tax of 4 counties in the state with published tax data.

Renters pay a median of $1,870 a month, and $1,825 for a two-bedroom. At today's prices a typical home costs about 67 times a year's rent, which generally favors renting over buying in the short term.

With 20% down and today's 7.24% average 30-year rate, the monthly payment on a $1,508,000 home here comes to about $9,117 including property tax and insurance. Lenders typically want that to be under 28% of income, which works out to roughly $391,000 a year (the median household here earns $97,668).