Unincorporated Tangipahoa Parish, Louisiana requires a building permit through the Parish Permit Office before any structure is built1. Environmental Health sewer approval comes before the parish building permit; individual septic systems also need a State Health Officer permit23. Hammond and Ponchatoula handle their own building permits and zoning, while parishwide zoning districts for unincorporated land remain unconfirmed45678.
At a glance
- Building permit
- Required before construction in unincorporated land, through the Parish Permit Office1
- Zoning
- Hammond and Ponchatoula have municipal zoning; unincorporated parish districts remain unconfirmed578
- Septic permits
- State Health Officer permit; Environmental Health handles sewer approval for the parish building process9310
- Owner-builder
- Notarized homeowner affidavit required; homeowner subcontractors excepted from ordinary registration11
- Subdivision review
- Parish review applies, with dimensional standards for major residential subdivisions121314
- Manufactured homes
- Single-lot placement has property-line and public-right-of-way setbacks15
- Floodplain development
- Flood determination is part of permitting; regulated sites also go through Community Development1617
- Septic soil difficulty
- Only about 14.7% of soils are free of severe limits for a conventional drain field18
Who to call
Building permits
Tangipahoa Parish Permit Office
Building permits, subcontractor permits, flood determinations, and plan review for new construction in Tangipahoa Parish, with a second office in Amite
15485 West Club Deluxe Road, Hammond, LA 70403
Septic permits
Tangipahoa Parish Environmental Health (sewer approval)
Sewer/septic approval required before the Permit Office will issue a building permit; the Amite and Hammond offices handle applications, and the Tangipahoa Parish Sewer District handles parcels on the parish sewer system
Planning & zoning
Tangipahoa Parish Planning Department
Land use, subdivision regulations, GIS mapping, base flood elevation requests, and the parish's Comprehensive Master Plan for unincorporated Tangipahoa Parish
15485 West Club Deluxe Road, Hammond, LA 70403
Septic permits
Homeowner certification to personally install or maintain an individual mechanical treatment plant (MTP) septic system at your own primary residence, for Livingston, St. Helena, St. Tammany, Tangipahoa, and Washington parishes
Contact details are copied from each office’s official page and were checked against it on October 11, 2026.
Off-grid gear
Going off-grid in Tangipahoa Parish means bringing your own water and power. The kit we’d start with:
- Water Crystal Quest Filter any source — well, rain, or creek — to drinking-clean.
- Power Bluetti Solar generators and home battery backup for living off the grid.
- Septic Soil percolation test kit Run your own perc test before paying an engineer — the first thing a septic office asks about.
- Water Well water test kit Bacteria, nitrates, hardness — know what the well on a parcel is really pumping.
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Do you need a building permit in Tangipahoa Parish, Louisiana?
In unincorporated Tangipahoa Parish, the Parish Permit Office requires a building permit before any structure is built, and electrical, mechanical and plumbing subcontractors must obtain permits for new construction1. Contractors and subcontractors must register with the Parish Permit Office; homeowner subcontractors are excepted from ordinary registration111. The office enforces Louisiana State Uniform Construction Code Council rules; its page says the 2021 building codes and 2020 NEC took effect in 202319. The Parish Permit Office charges residential new-construction building permits at $0.15 per square foot, rounded to the nearest dollar; residential electrical, mechanical and plumbing permits are each $0.10 per square foot20. Permitted work receives applicable underground-plumbing, foundation, framing, trade and final inspections, and the second-phase inspections must pass before insulation or wall covering21.
Who issues building permits in Tangipahoa Parish, and how do you reach them?
The Permit Office runs two locations: the main Hammond office at 15485 West Club Deluxe Road, Hammond, LA 70403, phone (985) 542-2117, and a second office at 113 North Bay St., Amite, LA 70422, phone (985) 748-202422. The published process starts with a property address, survey or deed, building plans, flood determination and plan review23. Environmental Health handles sewer approval, while parcels on the Tangipahoa Parish Sewer District must contact that district2. Once sewer approval is ready, return to the Permit Office to pull the building permit23. The parish process below applies to unincorporated land: Hammond issues its own building permits, and Ponchatoula requires city hall building and moving permits for mobile homes46. Individual septic systems remain subject to Louisiana Department of Health permitting through parish health-unit sanitarians924.
Does Tangipahoa Parish have zoning, and which setbacks apply?
Hammond and Ponchatoula set zoning inside their city limits; the parish development standards below concern unincorporated Tangipahoa Parish5712. Whether unincorporated Tangipahoa Parish is divided into enforceable zoning districts could not be confirmed, so ask the Planning Department before assuming a parcel is unrestricted825. The Planning Department does administer subdivision and development standards in unincorporated areas12. Major residential subdivisions outside special flood-hazard areas generally require 10-foot side and rear yards; approved exception lots may use an 8-foot side yard26. Within special flood-hazard areas, those subdivisions require a 25-foot front yard and 10-foot side and rear yards26. These major-subdivision setbacks do not establish setbacks for every parish parcel26. Tangipahoa is also excluded from the state-law subdivision exemption that uses a 22,500-square-foot threshold27. Municipal zoning does not move septic: the State Health Officer permit and Environmental Health sewer approval still apply310.
How do septic permits work in Tangipahoa Parish?
The State Health Officer permits individual sewage systems in Tangipahoa Parish, with local health-unit sanitarians administering the process9. A permit and plans are required before an individual system is installed, altered or operated; final approval requires verification of a code-compliant installation3. For the parish building permit, submit the survey or deed to Environmental Health, then bring its sewer approval to the Permit Office10. A septic tank system is allowed only where community sewer is unavailable28. Only about 14.7% of parish soils are free of severe limitations for a conventional drain field, so settle system feasibility and house placement early18. A homeowner who wants to install or maintain a mechanical treatment plant at a primary residence must use the certification process; the regional coordinator is reachable at 985-871-133229.
Can you live in an RV or tiny home on your land in Tangipahoa Parish?
Tangipahoa Parish's general rules for living in an RV or occupying a tiny home on private land could not be confirmed, so ask the Planning Department before buying land or placing a unit825. Parish ordinance does address three RV situations in unincorporated areas. A hunting club camp site, meaning leased private property where sportsmen park camper trailers for seasonal hunting or fishing, needs no approval from parish government offices, and any sanitary or water facilities must meet state requirements30. RV parks and campgrounds go through a special-use development application with Technical Review Committee and Planning Commission review31. In FEMA-mapped flood zones A1-30, AH and AE, an RV must stay fewer than 180 consecutive days, be fully licensed and ready for highway use, or meet the permit, elevation and anchoring requirements32. A tiny home built as a structure still faces the parish building-permit process1. A mobile or manufactured home on a single lot in unincorporated Tangipahoa Parish needs 10-foot side and rear property-line setbacks and a front setback of at least 25 feet from the public right-of-way; where that line cannot be determined, the setback line begins 18 inches behind the drainage ditch back slope15. New manufactured homes need 20 feet between adjacent habitable structures, measured eave to eave15. Any individual sewerage system serving an RV or small home needs state permitting, and septic is available only where community sewer is not328.
Building a home in Tangipahoa Parish: the steps, in order
- Ask Planning which subdivision, land-use and setback standards apply to the parcel122625.
- Get a property address, then take the survey or deed and building plans to the Permit Office for flood determination and plan review23.
- Submit the survey or deed to Environmental Health for sewer approval, resolving septic feasibility before fixing the house location23.
- If the site is in a special flood hazard area, obtain Community Development approval16.
- Return with the completed application, plans, sewer approval, survey or deed, fee and a DEQ stormwater permit when building in a subdivision23.
- If acting as the contractor for your residence, bring a notarized homeowner affidavit11.
- Obtain electrical, mechanical and plumbing permits after the building permit is issued23. Permit parish-road culvert work or obtain LaDOTD approval for state-highway access, then schedule each required construction inspection333421.
What to check before you buy land in Tangipahoa Parish
Start with septic feasibility: only about 14.7% of Tangipahoa Parish soils lack severe limitations for a conventional drain field, so obtain state approval before committing to a house location1835. Ask the Planning Department about subdivision and land-use restrictions on the exact parcel because current zoning districts could not be confirmed83625. Check flood status early: the parish performs a flood determination during permitting, and Community Development administers the parish flood-prevention ordinance1617. Confirm whether access crosses parish or state right-of-way, because parish roadside-ditch culverts and state-highway connections follow different permit paths3734. A new Louisiana water well generally must be installed by a licensed driller and registered after completion; domestic wells follow post-installation notification rules rather than the ordinary advance-notification process38. The effective property-tax rate is about 0.4%, with a median annual bill near $8873940.
Watch-outs
- We could not confirm enforceable zoning districts for unincorporated Tangipahoa Parish; don't assume a parcel is unrestricted, and confirm land-use rules with the Planning Department before you buy or build825.
- Tangipahoa Parish regulates land subdivision within its planning jurisdiction and is excluded from the state exemption for certain single-owner subdivisions, so ask the Planning Department to review any proposed land division3641.
- Only about 14.7% of Tangipahoa Parish's soils are free of severe limitations for a conventional septic drain field, so budget for a site evaluation and the possibility of a mechanical treatment plant or other alternative system18.
- RVs in FEMA-mapped flood zones A1-30, AH and AE are limited to fewer than 180 consecutive days unless highway-ready or permitted and elevated, so check the flood zone before parking one long-term32.
Sources
- Permit Office, quoted and re-checked
- Permit Office, quoted and re-checked
- ldh.la.gov, quoted and re-checked
- Hammond: Code of Ordinances, Sec. 9-111. Permit required (Tangipahoa Parish), quoted and re-checked
- Hammond: City of Hammond Application for a Building Permit (Tangipahoa Parish), quoted and re-checked
- Ponchatoula: Mobile home/manufactured housing provisions (Tangipahoa Parish), quoted and re-checked
- Ponchatoula: A-6 single-family urban (Tangipahoa Parish), quoted and re-checked
- (2026 county census)
- OSWW Installer Workshop Installer Exam Study Guide, quoted and re-checked
- Tangipahoa Parish Environmental Health (sewer approval) (tangipahoa.org)
- Permit Office, quoted and re-checked
- Planning Department, quoted and re-checked
- Tangipahoa Parish Ordinance No. 22-62, quoted and re-checked
- Tangipahoa Parish Ordinance No. 22-62, quoted and re-checked
- T. P. Ordinance No. 23-10, quoted and re-checked
- Building Permit Process, quoted and re-checked
- tangipahoa.org, quoted and re-checked
- Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
- Permit Office, quoted and re-checked
- Fee Schedule, quoted and re-checked
- Permit Office, quoted and re-checked
- Tangipahoa Parish Permit Office (tangipahoa.org)
- Building Permit Process, quoted and re-checked
- Hammond: Louisiana Department of Health, Onsite Wastewater Program (Tangipahoa Parish), quoted and re-checked
- Tangipahoa Parish Planning Department (tangipahoa.org)
- T.P. Ordinance No. 22-62, quoted and re-checked
- Louisiana Revised Statutes § 33:106.1 — Planning commissions; exempt subdivisions; septic tanks and field drains permitted, quoted and re-checked
- Louisiana Administrative Code Title 51, Part XIII, Public Health—Sanitary Code (Louisiana statewide rule), quoted and re-checked
- LDH Office of Public Health -- Onsite Wastewater Program, Region IX Coordinator (covers Tangipahoa Parish) (ldh.la.gov)
- tangipahoa.org, quoted and re-checked
- Special Use Residential Commercial Development Application, quoted and re-checked
- Article IX — Flood Prevention and Protection, quoted and re-checked
- Installing a Driveway / Culvert, quoted and re-checked
- LaDOTD Access Connections Policy (Louisiana statewide rule), quoted and re-checked
- Louisiana Administrative Code Title 51, Part XIII, Public Health—Sanitary Code (Louisiana statewide rule), quoted and re-checked
- Planning Department, quoted and re-checked
- Installing A Driveway, quoted and re-checked
- Louisiana Administrative Code, Title 43, Part VI, §701 (Louisiana statewide rule), quoted and re-checked
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
- Louisiana Revised Statutes § 33:106.1, quoted and re-checked
Written October 11, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.