Off-Grid Living in Tangipahoa Parish, Louisiana

Tangipahoa Parish is an interesting case in Louisiana because most of it, outside the incorporated towns like Hammond, Ponchatoula, Amite, Independence, and Kentwood, has no traditional zoning code. Back in 2007 residents pushed back against uncontrolled growth, and the parish responded not with countywide zoning but with a Comprehensive Land Use Plan and Subdivision Regulations, administered by the Tangipahoa Parish Planning Department. That's good news for off-grid-minded buyers in unincorporated areas, but if your parcel sits inside a town's limits, that town sets its own separate zoning and you need to check with them directly.

On building, the parish Permit Office requires a building permit before any structure goes up, and it enforces the state's Louisiana State Uniform Construction Code (LSUCCC) rather than a parish-written code. I did not find a parish page addressing tiny homes, Appendix Q, or RV/THOW living specifically, so I'd treat that as inheriting the state code baseline until the Permit Office tells you otherwise.

Septic is where things get more procedural: the parish's Environmental Health Department (a branch of Louisiana's Department of Health) requires an application with a survey or deed before approving sewage disposal. Louisiana law does let a homeowner install and maintain their own individual mechanical treatment plant at their primary residence, provided they meet the training requirement under state law, so full DIY septic isn't off the table, but you still route it through the same office. Composting toilets aren't addressed anywhere I could find in official parish materials, so that's genuinely unclear, ask Environmental Health directly.

Greywater reuse and rainwater harvesting don't have parish-specific rules that I could locate, so both appear to just follow the state Plumbing Code baseline. Rainwater collection looks fine; greywater systems fall under the state's on-site nonpotable reuse rules.

For water, much of the parish is served by the Tangipahoa Parish Water District, which pulls from 12 wells tapping the Chicot, Evangeline, and Jasper Aquifers. If you want your own private well instead, that's regulated at the state level and I didn't find any parish ordinance banning it.

Finally, on disconnecting from utilities entirely: no parish ordinance turned up requiring hookup, but subdivision covenants can impose their own rules, and those are handled case by case by the Planning Department, so check your specific parcel's covenants before assuming you're free to go off-grid.