St. Tammany Parish
Parcel & Property Data
About This Data
LandBrief holds 134,890 parcel records for St. Tammany Parish, sourced from county records. Each includes the parcel boundary, and — where the county publishes them — owner, situs address, acreage, assessed values and legal description.
Data from the St. Tammany Parish assessor roll dated June 2025, loaded August 2026. See data sources for every county’s vintage.
Explore St. Tammany Parish
St. Tammany Parish by the Numbers
- Median parcel size
- 0.34 acres
measured from mapped boundaries - 90th-percentile parcel
- 3.8 acres
- County land area
- 540,971 acres
U.S. Census measurement - Communities
- 12
71.5% of parcels outside any incorporated place
Who Owns St. Tammany Parish?
Share of the county’s 134,890 parcels by the kind of owner on record. Classified from owner names, so the boundaries are approximate; an entity the rules cannot place counts as an individual.
| Owner type | Share of parcels |
|---|---|
| Individuals | 85.4% |
| Companies & organizations | 11.5% |
| Trusts & estates | 1.8% |
| Government | 0.7% |
| Other / unclassified | 0.6% |
The largest owner on record is ST TAMMANY PARISH with 470 parcels — see the full landowner leaderboard.
Parcel Records (~134,890 total)
| Parcel ID | Owner | Address | City | Acreage |
|---|---|---|---|---|
| 120674 | BOUDREAUX, JUSTIN ETUX | — | Unincorporated | 2.40 † |
| 72768 | STRAIN, JAMES A ETUX | — | Unincorporated | 5.85 † |
| 64713 | MUSCARELLO, FRANK L ETUX | — | Unincorporated | 0.89 † |
| 64702 | MECHE, PAUL M ETUX | — | Unincorporated | 0.36 † |
| 64755 | RIGGIO, J JR ETUX | — | Unincorporated | 0.40 † |
| 66322 | FOSTER, GREG L | — | Unincorporated | 0.92 † |
| 66654 | SAUVINET, FRANK | — | Unincorporated | 0.90 † |
| 69613 | MONEY HILL PLANTATION INC | — | Unincorporated | 0.59 † |
| 73547 | COOLEY, RUSSELL L ETUX | — | Unincorporated | 3.66 † |
| 63677 | CLARK, TIMOTHY T JR | — | Abita Springs | 0.31 † |
Nearby counties
Frequently Asked Questions
How many parcels are in St. Tammany Parish?
The St. Tammany Parish assessor roll on file records 134,890 parcels across 12 communities, with 71.5% lying outside any incorporated place.
Who owns the most land in St. Tammany Parish?
ST TAMMANY PARISH holds 470 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.
What is the typical parcel size in St. Tammany Parish?
Measured from mapped boundaries, the median parcel is 0.34 acres, and nine parcels in ten are under 3.8 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.
How much of St. Tammany Parish is government-owned?
Government entities — federal, state, and local — hold 0.7% of the county’s parcels, classified from owner names on the roll.
How current is this data?
It comes from the St. Tammany Parish assessor roll dated June 2025. Counties deliver on their own schedules; the methodology page explains how records are processed and the data sources page tracks every county’s vintage.
Browse by City (12)
134,890 parcels across 12 communities in St. Tammany Parish.