St. Tammany Parish, LA Average Home Price (2026)
The average home price in St. Tammany Parish, Louisiana is about $283,000 (the 2026 median across 13 ZIP codes, at ~$179/sq ft) — 43% more expensive than the Louisiana median and 2% more affordable than the typical U.S. home.
How St. Tammany Parish compares
St. Tammany Parish is about average for housing nationally: its typical home costs $283,000 against $198,000 for Louisiana and $289,000 for the U.S. Within the county, ZIP-level values run from about $191,000 to $407,000.
| Area | Typical value | $ / sq ft |
|---|---|---|
| St. Tammany Parish | $283,000 | $179 |
| Louisiana | $198,000 | $133 |
| United States | $289,000 | $193 |
Cities in St. Tammany Parish
Cities with their own home-value page, largest first:
St. Tammany Parish home prices by ZIP code
The 13 most valuable ZIP codes in St. Tammany Parish (of 13 with data):
| ZIP code | Typical value | $ / sq ft | vs county |
|---|---|---|---|
| 70471 Mandeville | $407,000 | $179 | +44% |
| 70447 Madisonville | $378,000 | $187 | +34% |
| 70433 Covington | $344,000 | $196 | +22% |
| 70448 Mandeville | $342,000 | $193 | +21% |
| 70435 Covington | $305,000 | $174 | +8% |
| 70437 Folsom | $298,000 | $200 | +5% |
| 70431 Bush | $283,000 | $195 | +0% |
| 70420 Abita Springs | $278,000 | $210 | -2% |
| 70461 Slidell | $270,000 | $146 | -5% |
| 70452 Pearl River | $233,000 | $153 | -18% |
| 70458 Slidell | $221,000 | $144 | -22% |
| 70445 Lacombe | $219,000 | $149 | -23% |
| 70460 Slidell | $191,000 | $123 | -33% |
Home value appreciation in St. Tammany Parish
Home prices in St. Tammany Parish have risen about 50% over the last 10 years (≈4.1% a year) and +66.5% over 20 years, according to the FHFA house price index through 2025. The most recent year came in at +2.0% — still rising. A home worth $283,000 today was worth roughly $189,171 ten years ago.
See where that trend takes a specific home with the home appreciation calculator — statewide, Louisiana is +37.9% over the same 10 years. Past appreciation is a track record, not a forecast; local prices can fall.
Calculators for St. Tammany Parish
Run the numbers for St. Tammany Parish with the local rates already filled in — change any input to test your own situation.
Salary needed to buy a home in St. Tammany Parish
To buy the typical $283,000 home in St. Tammany Parish with 20% down, you need a household income of roughly $77,000 a year (about $1,800 a month for the mortgage, taxes, and insurance). With 10% down the bar rises to about $91,000, because the loan is bigger and mortgage insurance kicks in.
| Down payment | Cash down | Monthly payment | Income needed |
|---|---|---|---|
| 5% (+PMI) | $14,200 | $2,230/mo | $96,000/yr |
| 10% (+PMI) | $28,300 | $2,130/mo | $91,000/yr |
| 20% | $56,600 | $1,800/mo | $77,000/yr |
Assumes a 30-year fixed mortgage at 6.5%, property tax at 1.1% and insurance at 0.45% of value per year, PMI of 0.75% on loans with less than 20% down, and the standard 28% housing-to-income rule. Your rate, taxes, and HOA will move these — run your own numbers in the mortgage calculator.
What your budget buys in St. Tammany Parish
At about $179 per square foot, here is roughly how much home different budgets get you in St. Tammany Parish:
| Budget | Approx. size | What that looks like locally |
|---|---|---|
| $150k | 840 sq ft | below the local median — condos, smaller or older homes |
| $200k | 1120 sq ft | below the local median — condos, smaller or older homes |
| $250k | 1400 sq ft | around the typical home here |
| $300k | 1680 sq ft | around the typical home here |
| $400k | 2230 sq ft | above the median — larger homes or the pricier ZIPs |
Wondering where that budget goes further? The relocation calculator ranks hundreds of U.S. cities by what the same money buys — it opens filtered to Louisiana.
Estimate a specific home in St. Tammany Parish
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St. Tammany Parish home prices: frequently asked
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Browse all Louisiana cities and counties, or look up price per square foot by ZIP code nationwide.
Directional estimates from public market data (Realtor.com & Zillow research; FHFA house price index; Census ZIP-to-county relationships), not appraisals.