St. Tammany Parish, LA real estate

What the numbers say

St. Tammany Parish, LA real estate at a glance

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

In September 2026, the median home in St. Tammany Parish listed for $335,375, down 4.2% from a year earlier. That is 24% above the Louisiana median of $270,000.

Homes spent a median of 71 days on the market, faster than 72 days a year ago. That makes St. Tammany Parish the #5 fastest-selling of 23 Louisiana counties we track.

Homeowners in St. Tammany Parish pay a median of $2,028 a year in property taxes on a median home value of $284,000, an effective rate of about 0.71%. The Louisiana average is 0.55%, which makes St. Tammany Parish the #63 lowest-tax of 64 counties in the state with published tax data.

Renters pay a median of $1,332 a month, and $1,274 for a two-bedroom. At today's prices a typical home costs about 21 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 $335,000 home here comes to about $2,168 including property tax and insurance. Lenders typically want that to be under 28% of income, which works out to roughly $93,000 a year (the median household here earns $81,202).