Building permits, zoning and land rules in LaSalle Parish, Louisiana

At a glance

Building permit

Required for construction covered by Louisiana's statewide code and administered locally¹²

Building permit office

LaSalle Parish Building Permit Office in the courthouse in Jena¹⁰

Zoning

No parish-wide zoning for unincorporated LaSalle Parish; airport-hazard zones around the Jena and Olla airports are the exception³⁴⁵

Septic permits

State health officer permit required through the local Parish Health Unit¹¹⁷⁹

RV and tiny-home living

No parish zoning rule found for unincorporated land; confirm with the Police Jury before buying³¹²

Minimum size and setbacks

No parish zoning minimum dwelling size, lot size or setback found; municipal zoning inside towns can set them³¹³

Owner-builder

License exemption for an owner who directly supervises work on a primary residence; permits and a homeowner form still apply¹⁴¹⁵

Septic soils

Only 7.4% of parish soils lack severe limits for a conventional drain field¹⁶

Who to call

Contact details are copied from each office’s official page and were checked against it on October 9, 2026.

Do you need a building permit in LaSalle Parish, Louisiana?

Yes. LaSalle Parish must enforce the Louisiana Uniform Construction Code and issue building permits for covered work¹². The statewide code governs residential and commercial construction subject to statutory exceptions¹⁷. A properly licensed inspector must conduct covered inspections onsite, except for roofing inspections, qualifying reinspections, and emergency utility reconnection inspections¹⁸. Farm structures such as barns, sheds, and poultry houses receive limited code relief, but residences, attached structures, public livestock areas, and later conversions do not qualify; LaSalle Parish may still issue a building permit¹⁹. A farmer's separate contractor-license exemption does not waive building permits, inspections, health rules, or life-safety rules²⁰. Beginning January 1, 2027, covered building permits carry a $10 statewide LUCCC fee; local charges may also apply, and we could not confirm LaSalle Parish's current fee schedule²¹²².

Who issues building permits in LaSalle Parish, and how do you reach the office?

The LaSalle Parish Building Permit Office is at 1050 Courthouse St., Room 13, Jena, LA 71342, and its phone number is (318) 992-2101¹⁰²³. Louisiana building-code enforcement includes plan review, inspections, and permit decisions by licensed inspectors²⁴. We could not confirm whether LaSalle Parish currently uses parish staff, a certified third-party provider, or a state-fire-marshal agreement, so ask the Building Permit Office who reviews plans and schedules inspections. We also could not confirm a parish application form, review timeline, or current local fee schedule²³²². Inside Jena, the town requires building permits for construction, moving a manufactured home or another structure, additions, and remodeling⁶. Jena applicants clear the town's flood-zone, zoning, and sewer approvals, submit drawings, and request inspections at least 24 hours ahead²⁵. Septic permits do not move to the town: the state health officer and LaSalle Parish Health Unit handle individual sewerage approval throughout the parish⁷⁸⁹.

Does LaSalle Parish have zoning?

Unincorporated LaSalle Parish has no parish-wide zoning ordinance or zoning map³. The one exception is airport-hazard zoning: the LaSalle Parish Code creates approach, transitional, horizontal and conical zones around the Jena Airport and the Olla Airport, with height limits and permit requirements that apply only inside those zones, not to the rest of the parish⁴⁵. We found no parish zoning district, minimum dwelling size, lot size or setback for unincorporated land outside those airport zones³. Louisiana law lets a parish adopt zoning for its unincorporated land and LaSalle Parish is not among the four parishes excluded from that grant, so the Police Jury could adopt zoning later¹². We could not find an official parish statement confirming that no countywide zoning exists, so ask the LaSalle Parish Police Jury before relying on the RV, tiny-home or accessory-dwelling answer. Building permits, inspections, and the statewide construction code still apply even without parish zoning¹²⁴. Municipal zoning is separate: confirm town rules directly for land inside municipal limits³. Municipal zoning does not replace the state septic permit; the state health officer and local Parish Health Unit retain that role⁸⁹. Before relying on the unincorporated-land answer, confirm the parcel's jurisdiction and legal access with the seller, survey, and relevant local office.

How do septic permits work in LaSalle Parish?

Louisiana requires a state-health-officer septic permit before anyone installs, alters, or operates an individual sewerage system in LaSalle Parish⁷. Start with the LaSalle Parish Health Unit at 1673 N. Second St., Jena, LA 71342, phone 318.992.4842¹¹⁹. The state approves the plans and specifications, and an individual system may be permitted only when a community sewer connection is not feasible and site conditions support a safe design⁷. The installer must notify the Parish Health Unit before work; final approval requires an onsite inspection and/or the licensed installer's certification, submitted within 15 days after completion⁸⁷. A parish or town cannot authorize individual sewage systems without written state approval²⁶. Only 7.4% of LaSalle Parish soils lack severe limitations for a conventional drain field, so make septic feasibility an early purchase contingency¹⁶.

Can you live in an RV or tiny home on land in LaSalle Parish?

We found no parish zoning rule on RV occupancy, tiny-home occupancy, manufactured homes, accessory dwellings or camping on unincorporated LaSalle Parish land outside the airport-hazard zones, and no parish minimum dwelling size, lot size or setback³. We could not confirm this with an official parish statement, so call the LaSalle Parish Police Jury before you plan to live in an RV or tiny home on the land. Whatever the zoning answer, it does not waive building-code or septic rules: covered construction still requires a building permit, and an individual sewerage system still requires a state septic permit¹⁷. Louisiana's owner-builder exemption lets an owner build a primary residence without a contractor license, but the owner must live in the home¹⁴. The exemption does not cover a home built to rent or sell and still requires building permits and a homeowner exemption form¹⁵. Inside a town, ask the municipal office about building permits and zoning; septic approval remains with the state health officer and Parish Health Unit³⁸⁹.

Building a home in LaSalle Parish: what are the steps?

1. Confirm whether the parcel is in unincorporated LaSalle Parish or a municipality, because the parish's apparent lack of zoning applies only outside town limits³.

1. Call the LaSalle Parish Building Permit Office at (318) 992-2101 to confirm the building-permit application, required plans, inspection provider, scheduling, and local fees¹⁰²⁴²².

1. Contact the LaSalle Parish Health Unit before fixing the house location; the state health officer must approve the site plans and issue the septic permit⁹⁷.

1. Submit plans, obtain the building permit, and schedule required inspections with a licensed inspector¹⁸. Inside Jena, clear the town's flood-zone, zoning, and sewer approvals, submit drawings, and request inspections at least 24 hours ahead²⁵.

1. If acting as owner-builder, obtain the homeowner exemption form and building permits and keep the house as your primary residence¹⁵.

1. Complete septic verification after installation, including the installer's certification within 15 days when used⁸. For mortgage-financed new residential construction, provide the local inspector's certificate of occupancy to the lender for filing in parish conveyance records²⁷.

What should you check before buying land in LaSalle Parish?

Start with septic suitability: only 7.4% of parish soils lack severe limitations for a conventional drain field, even though 90.3% of the land has a slope of 15% or less¹⁶²⁸. Confirm whether community sewer is available, because the state may issue an individual-system permit only when a connection is not feasible and the site supports a safe design⁷. Verify whether the parcel lies inside a town before relying on the unincorporated parish's apparent lack of zoning, and ask the Police Jury to confirm it³. Ask the Building Permit Office about the current building-permit application and local fees, because the complete parish schedule could not be confirmed¹⁰²². For residential or commercial work in a flood hazard area, federal flood-insurance-program standards apply, but we could not confirm LaSalle Parish's local floodplain permit procedure; ask the Building Permit Office before designing the site²⁹¹⁰. A new domestic well must be drilled by a licensed contractor and registered after completion under the state's post-installation notification rules³⁰.

Watch-outs

• The state directory confirms the LaSalle Parish Building Permit Office's address and phone, but we could not confirm the current staff-versus-third-party arrangement, application method, review timeline, or parish fee schedule; ask the office before filing¹⁰³¹³².
• LaSalle Parish appears to have no parish-wide zoning on unincorporated land, but we could not confirm that with an official parish statement; the Jena and Olla airport-hazard zones carry height limits and permit requirements, and town rules differ, so confirm the parcel's jurisdiction with the Police Jury before relying on the RV, tiny-home, setback or minimum-size answer⁴⁵³.
• Only 7.4% of LaSalle Parish soils lack severe limitations for conventional drain fields, so septic feasibility can change the usable building area and system design¹⁶.
• The owner-builder exemption applies to a primary residence the owner will occupy, not a house built to rent or sell, and building permits plus a homeowner exemption form still apply¹⁵.
• Jena's $200 plan-review fee and certificate-of-occupancy process apply inside town limits, not across unincorporated LaSalle Parish³³³⁴.

Sources

1. Louisiana State Uniform Construction Code Council (2026 county census)
2. Act No. 881 (2026 Regular Session), quoted and re-checked
3. LaSalle Parish Police Jury Code of Ordinances (Municode) (2026 county census)
4. LaSalle Parish Code, Sec. 105-43: Jena Airport zones, quoted and re-checked
5. LaSalle Parish Code, Sec. 105-63: Olla Airport zones, quoted and re-checked
6. Building Permit - Town of Jena, quoted and re-checked
7. Louisiana Administrative Code Title 51, Part XIII—Sewage Disposal, quoted and re-checked
8. Louisiana Administrative Code Title 51, Part XIII—Sewage Disposal, quoted and re-checked
9. LaSalle Parish Health Unit (ldh.la.gov)
10. LaSalle Parish Building Permit Office (ldh.la.gov)
11. Louisiana Department of Health - Onsite Wastewater Program (2026 county census)
12. La. R.S. 33:4780.40 — Regulation authorized (Louisiana statewide rule), quoted and re-checked
13. RS 33:4721 — Regulation of size and use of buildings (Louisiana statewide rule), quoted and re-checked
14. FAQ – Louisiana State Licensing Board for Contractors, quoted and re-checked
15. Louisiana State Licensing Board for Contractors FAQ, quoted and re-checked
16. 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
17. Louisiana Uniform Construction Code Commission Rules and Regulations, quoted and re-checked
18. Act No. 881, enforcement and inspection provisions, quoted and re-checked
19. RS 40:1730.30 — Farm, recreational, and residential accessory structures, quoted and re-checked
20. RS 37:2157 — Contractor-license exemptions, quoted and re-checked
21. Ten Dollar Fee per Permit – Clarification on Applicable Permits, quoted and re-checked
22. Uniform Construction Code Law and Rules and Regulations, quoted and re-checked
23. RS 40:1730.23 — Enforcement of building codes, quoted and re-checked
24. RS 40:1730.23 — Enforcement of building codes, quoted and re-checked
25. Building Permit - Town of Jena, quoted and re-checked
26. RS 40:1281.24 — Approval of individual sewage treatment and disposal systems, quoted and re-checked
27. Act No. 881, certificates of occupancy, quoted and re-checked
28. Share of land at 15% slope or less: Bolthole Index county data
29. Louisiana Uniform Construction Code Commission Rules and Regulations, quoted and re-checked
30. Louisiana Administrative Code, Title 43, Part VI, §701 (Louisiana statewide rule), quoted and re-checked
31. Act No. 881, enforcement and inspection provisions, quoted and re-checked
32. Act No. 881, farm-structure exemptions, quoted and re-checked
33. Building Permit - Town of Jena, Louisiana, quoted and re-checked
34. Building Permit - Town of Jena, Louisiana, quoted and re-checked

Written October 9, 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.