Bolthole Index

Ascension Parish, Louisiana

Building permits, zoning and septic rules in Ascension Parish, Louisiana

48Index Score / 100
#60 of 64 in Louisiana

Unincorporated Ascension Parish, Louisiana requires a Residential New Construction Permit for a new home and enforces the Louisiana State Uniform Construction Code12. Septic permits come from the state health officer, with the parish Health Unit involved locally3. Ascension Parish administers a Development Code and zoning, while qualifying homeowners may use a state owner-builder licensing exemption without skipping permit or safety requirements45.

At a glance

Building permit
Required (Residential New Construction Permit), issued by the Building Department1
Zoning
Yes; the parish Zoning Office administers the Development Code4
Septic permit
Required from the state health officer, with the parish Health Unit involved locally36
Owner-builder exemption
Available for a personal residence, with an affidavit and annual limit5
Septic soils
0% of soils rate free of severe limits for a conventional drain field7
Driveway culvert on parish road
Handled by the Parish Call Center, separate from the building permit8

Who to call

Building permits

Ascension Parish Building Department

Residential and commercial building permits, plan review, contractor licensing, and inspections for Ascension Parish

225-450-1002

buildinginfo@apgov.us

615 E Worthey St, Gonzales, LA 70737

Health department

Ascension Parish Health Unit

Local Louisiana Department of Health office for Ascension Parish; its sanitarian takes septic (individual sewerage system) permit applications for the parish

225-450-1006

615 E Worthey St, Gonzales, LA 70737

Contact details are copied from each office’s official page and were checked against it on October 10, 2026.

Off-grid gear

Going off-grid in Ascension Parish means bringing your own water and power. The kit we’d start with:

These are affiliate links — we may earn a commission, at no cost to you. As an Amazon Associate, Bolthole Index earns from qualifying purchases.

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

Unincorporated Ascension Parish, Louisiana requires a Residential New Construction Permit for new homes, with construction reviewed against the parish Development Code and the Louisiana State Uniform Construction Code1. Louisiana requires parishes to enforce the state construction codes through building-code enforcement officers or certified third-party providers2. The code covers new construction, reconstruction, additions to homes previously built to the International Residential Code, and extensive alterations involving more than 50% of the dwelling unit's area9. Required residential and commercial inspections must be performed by a building-code enforcement officer or certified third-party provider; location-verified photographs or video may be used for roofing inspections10. The Building Department handles the permit, but a septic-served lot also needs its state-issued sewage permit, so line up the Health Unit early3.

Who is the Ascension Parish building department, and how do you reach them?

The Ascension Parish Building Department is the contact for residential and commercial permits, plan review, contractor licensing, and inspections8. Reach the department at 225-450-1002 or buildinginfo@apgov.us8. The parish also provides an online portal for applications and payments11. A homeowner may supervise construction of a personal residence under Louisiana's owner-builder licensing exemption, but must file an exemption affidavit to obtain the permit, may build no more than one residence per year except for stated relocation circumstances, and must still meet health and life-safety requirements5. For a first-access driveway or frontage culvert on a public right-of-way, call the Parish Call Center at 225-450-12008.

Does Ascension Parish have zoning?

Yes: the Ascension Parish Zoning Office administers the parish Development Code, and the parish publishes a current zoning map, zoning code, and use tables412. Incorporated municipalities may have separate jurisdictional rules, so confirm which authority governs the parcel13. Louisiana does not set one statewide setback, lot-coverage, or building-height number; the applicable parish or municipal zoning district supplies those parcel-specific limits141516. The Planning Office enforces the Subdivision Ordinance governing property divisions throughout the parish and publishes separate forms and checklists for simple divisions, family partitions, and major or minor subdivisions1718. Minor subdivisions follow the setbacks of the underlying zoning district, and lot areas inside rights-of-way may not count toward a district's minimum lot area, so get the district's numeric tables from the Zoning Office before you split a tract1920. The parish publishes a planning fee schedule, but the current amount for a residential application should be confirmed before budgeting21.

How do septic permits work in Ascension Parish?

Louisiana, not Ascension Parish, permits septic systems: installation, alteration, or operation requires a state-health-officer permit with approved plans and specifications36. Start with the Ascension Parish Health Unit, whose sanitarian participates in notification and final approval322. Where an established community sewer and ample water supply are available, the structure's plumbing fixtures must connect to that sewer23. Where sewer is unavailable or infeasible, an approved individual system may be used, but discharge onto the ground or into a road, ditch, watercourse, or body of water is prohibited24. After installation, the installer must submit a Certification by Installer within 15 days of completion before final state approval25. None of Ascension Parish's mapped soils rate free of severe limits for a conventional drain field, so expect close site review and the possibility of an alternative design7. Reach the Health Unit at 225-450-1006, 615 E Worthey St, Gonzales, LA 7073722.

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

Louisiana's camping rules apply to Office of State Parks facilities, capping an unreserved stay at 14 consecutive nights or 15 consecutive days; that rule governs state parks, not year-round living on privately owned rural land in Ascension Parish26. Louisiana does not set one statewide minimum dwelling size; any minimum floor-area, RV, or manufactured-home occupancy rule for a specific parcel comes from the applicable parish or municipal zoning district27. Ascension Parish has not published a clear, direct answer on RV or tiny-home living on raw land; check the parcel's zoning district under the Unified Land Development Code and call the Building Department at 225-450-1002 before you buy or move one in288.

Building a home in Ascension Parish: the steps, in order

  1. Confirm the parcel's zoning district, governing jurisdiction, allowed use, and dimensional rules before designing the house1213. If you will divide the tract, use the Planning Office's form and checklist for the applicable subdivision type2911.
  2. Determine whether community sewer is available; if it is, the plumbing must connect, and if it is not, apply through the Ascension Parish Health Unit for the required individual-system permit23622.
  3. Apply to the Building Department for the Residential New Construction Permit; an owner-builder claiming the licensing exemption must include the required affidavit15.
  4. Arrange a public-right-of-way culvert through the Parish Call Center, or obtain a LaDOTD Access Connection Permit before building a driveway onto a state highway830.
  5. Complete the required code inspections through a building-code enforcement officer or certified third-party provider10.
  6. After septic installation, ensure the installer submits the Certification by Installer within 15 days for final state approval25.

What to check before you buy land in Ascension Parish

Soils and septic: none of Ascension Parish's mapped soils rate free of severe limits for a conventional drain field, so budget for a site evaluation and the possibility of an alternative design7. Flood risk: ask the local permitting department before building, altering, re-grading, or filling because a permit may be needed to prevent flooding on other properties31. Access: a driveway onto a state highway needs a signed LaDOTD Access Connection Permit before construction, while a first driveway culvert on a public right-of-way goes through the Parish Call Center308. Terrain and cover: about 99.8% of the parish sits at 15% slope or less and 59.5% is wooded, and the nearest city of 100,000 or more people is about 22 miles from the parish center323334. Taxes: the effective property tax rate is about 0.5%, with a median annual bill near $1,4193536.

Watch-outs

  • The owner-builder exemption is an exemption from contractor licensing, not from permits or health and life-safety rules; it requires an affidavit and generally limits the homeowner to one personal residence per year5.
  • Louisiana's individual-sewerage-system permit is a state process: start with the Ascension Parish Health Unit, not the Building Department, for septic36.
  • Ascension Parish's mapped soils rate poorly for conventional drain fields, so allow time and money for site review and a potentially different system design7.

Sources

  1. Ascension Parish Government - Permitting (2026 county census)
  2. Louisiana Revised Statutes 40:1730.23, quoted and re-checked
  3. Louisiana Sanitary Code, Title 51, Part XIII — Onsite Wastewater Rules, quoted and re-checked
  4. Zoning Maps & Regulations | Ascension Parish, quoted and re-checked
  5. legis.la.gov, quoted and re-checked
  6. Louisiana Sanitary Code, Title 51, Part XIII — Onsite Wastewater Rules, quoted and re-checked
  7. 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
  8. Ascension Parish Building Department (ascensionparish.net)
  9. Louisiana Revised Statutes 40:1730.23 — Enforcement of building codes by municipalities and parishes (Louisiana statewide rule), quoted and re-checked
  10. Louisiana Revised Statutes 40:1730.23, quoted and re-checked
  11. Parish Planning - Land Use | Ascension Parish, quoted and re-checked
  12. Zoning Maps & Regulations | Ascension Parish, quoted and re-checked
  13. Zoning Maps & Regulations | Ascension Parish, quoted and re-checked
  14. RS 33:4721 — Regulation of size and use of buildings (Louisiana statewide rule), quoted and re-checked
  15. RS 33:4721 — Regulation of size and use of buildings (Louisiana statewide rule), quoted and re-checked
  16. RS 33:4721 — Regulation of size and use of buildings (Louisiana statewide rule), quoted and re-checked
  17. Planning | Ascension Parish Government, quoted and re-checked
  18. Planning | Ascension Parish Government, quoted and re-checked
  19. Zoning Maps & Regulations | Ascension Parish, quoted and re-checked
  20. Major and Minor Subdivision Final Plat Review Checklist, quoted and re-checked
  21. Planning | Ascension Parish Government, quoted and re-checked
  22. Ascension Parish Health Unit (ascensionparish.net)
  23. ldh.la.gov, quoted and re-checked
  24. Louisiana Sanitary Code, Title 51, Part XIII — Onsite Wastewater Rules, quoted and re-checked
  25. Louisiana Administrative Code Title 51, Part XIII, Public Health—Sanitary Code (Louisiana statewide rule), quoted and re-checked
  26. Louisiana Office of State Parks Policy and Procedure Memorandum #6 — Reservation Changes and Refunds (Louisiana statewide rule), quoted and re-checked
  27. RS 33:4721 — Regulation of size and use of buildings (Louisiana statewide rule), quoted and re-checked
  28. Zoning Maps & Regulations | Ascension Parish (2026 county census)
  29. Parish Planning - Land Use | Ascension Parish, quoted and re-checked
  30. LaDOTD Access Connections Policy (Louisiana statewide rule), quoted and re-checked
  31. Floodplain Management - Maps | Ascension Parish, quoted and re-checked
  32. Share of land at 15% slope or less: Bolthole Index county data
  33. Wooded share of land: Bolthole Index county data
  34. Straight-line distance from the county center to the nearest city of 100,000+ people: Bolthole Index county data
  35. Effective property tax rate: Bolthole Index county data
  36. Median property tax bill: Bolthole Index county data

Written October 10, 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.

Found land here? Start a Property Hunt →

Compared with neighboring counties

Like 5 of its 6 neighbors, Ascension Parish requires a building permit for a home.

RuleAscension ParishSt. James ParishLivingston ParishSt. John the Baptist ParishAssumption ParishEast Baton Rouge ParishIberville Parish
Building permitRequiredRequiredLimitedRequiredRequiredRequiredRequired
County zoningYesYesYesYesNoYesYes
Septic permitsLA Dept. of HealthLA Dept. of HealthLA Dept. of HealthParish Health UnitLA Dept. of HealthLA Dept. of HealthLA Dept. of Health

County locator

Ascension Parish in Louisiana

48
County map
Ascension Parish highlighted among the Louisiana counties · colored by Index score

How Ascension Parish scores

Seclusion22100% ev.
Self-Sufficiency67100% ev.
Admin Boringness4190% ev.
Durability53100% ev.
Property Autonomy44100% ev.
Carry Cost79100% ev.

Evidence strength: 98%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →

$310kTypical home
0.5%Property tax
$5,985Land / acre
64.3"Annual rain
7.1% of yrsSevere drought
5.2 / yr (+4.9)Mid-century 100°F days
16 daysMid-century dry spell
3.18" (+5.7%)Mid-century 1-day rain
1.28×Wildfire change factor
100%Forward climate coverage
$2,546Home insurance / yr
0.1% / yrInsurance growth
0.45%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
596,633People within 30 min
3,463,754People within 2 hr
203,317Radius comparison (15 mi)
454People / sq mi
0%Federal land
99.8%Land at 15% slope or less
0%Soils rated "not limited" for septic (strict USDA rating)
0 acWorkable land screen
59.5%Wooded land
71.9 tonsBiomass / forest ac
68.4°FAvg temp

Scout Ascension Parish

Camp here before you commitBook a few nights nearby on Hipcamp →Already own land here?Earn money hosting campers — get $100 when you become a Hipcamp host →

Some links are affiliate or referral links — we may earn a commission, at no cost to you.

Property hunt

Find land. Bring the promising ones back.

Search live inventory elsewhere, then cost and vet each candidate here. No copied listings, account, or paid data feed.

View your full hunt →
ZillowLand & lotsRealtor.comLand listingsLandSearchRural & vacant land

Each button opens a current land search for Ascension Parish. Listing sites control their own results and filters.

Analyze a property
Add setup-cost allowances

Use rough quotes or placeholders. Blank fields count as $0.

Working estimate

—land + entered setup costs
Asking $ / acre
—
Setup allowance
—
All-in $ / acre
—

A planning estimate, not a valuation or contractor quote. The USDA benchmark includes farm land and buildings; it is context, not a parcel comp.

Before an offer

Parcel due diligence

0/8 checked

Saved properties and checklist progress stay on this device. Bolthole Index does not receive them.

Cities and towns in Ascension Parish

Inside a city or town, that city usually issues building permits and sets zoning; the county’s rules above cover unincorporated land. Septic, wells and floodplain rules usually stay with the county or state everywhere.

Not yet researched: Gonzales · Town of Sorrento

Answers from the rulebook for Ascension Parish

What the ordinances and state agencies actually say — one answer per question, each quoted from the official source and independently re-checked.

Ascension Parish rules

  • Building permitLimited

    Commercial construction in Ascension Parish.

    • All listed commercial requirements and approvals must be met before permitting.
    • No construction may begin until the requirements have been met and approved for permitting.
    “NO CONSTRUCTION CAN BEGIN UNTIL ALL OF THE ABOVE HAVE BEEN MET AND APPROVED FOR PERMITTING.”
  • Building code adoptedAdopted (with conditions)

    Commercial permit plans submitted to Ascension Parish.

    • The cited commercial-permit document requires plans to meet the listed Louisiana State Uniform Construction Code editions: 2015 IBC, 2015 IMC, 2014 NEC, and 2015 IPC.
    • The document was revised July 2018; no newer adoption date was established.

    IBC edition: 2015 · IMC edition: 2015 · NEC edition: 2014 · IPC edition: 2015

    “Plans must be prepared to meet the Louisiana State Uniform Construction Code:”
  • InspectionsRequired

    Commercial projects subject to Ascension Parish commercial permit requirements.

    • Final inspection of the drainage impact study must be approved before a Certificate of Occupancy is issued.
    • Final inspection of fire hydrants must be approved before a Certificate of Occupancy is issued.
    • The source does not establish the complete inspection sequence for every residential project.
    “Note: A Final Inspection of the Drainage Impact Study shall be approved prior to a Certificate of Occupancy being issued.”
    One more reviewed finding on this topic
    • Required — Commercial projects requiring drainage and fire approvals.
      “A Final Inspection of the Drainage Impact Study shall be approved prior to a Certificate of Occupancy being issued.”
  • County-wide zoningPresent (with conditions)

    Ascension Parish Development Code and zoning administration in the parish; the page does not establish that every incorporated municipality is governed by the parish code.

    • The parish zoning page identifies the Development Code as the administered code; municipality-specific rules were not separately resolved.
    “The Zoning Office is responsible for administering the Ascension Parish Development Code (2003) in order to guide development in the Parish as outlined in twelve principles adopted by the Council:”
  • Local zoningPresent

    Parish-level local zoning and development-code administration in Ascension Parish.

    • This claim concerns the parish-level zoning office and Development Code; incorporated municipalities may have separate jurisdictional rules.
    “The Zoning Office is responsible for administering the Ascension Parish Development Code (2003) in order to guide development in the Parish as outlined in twelve principles adopted by the Council:”
  • Zoning districtsPublished

    Ascension Parish zoning districts and zoning-map information.

    • The parish publishes a current zoning map link and links to the zoning code and zoning-use tables.
    “Zoning Map Current Zoning Map Board of Adjustments Meeting Dates & Deadlines”
  • Minimum lot sizeSpecified

    Lot-area requirements reviewed in Ascension Parish subdivision plats.

    • The official checklist requires lot areas to be provided on subdivision plats.
    • Areas within rights-of-way may not count toward meeting lot-area minimums.
    • The cited checklist does not state the district-specific numeric minimum lot areas; those remain to be obtained from the current zoning or subdivision tables.
    “Provide Lot Areas (Areas in rights-of-way may not count towards meeting lot area minimums)”
  • SetbacksSpecified

    Building setbacks for Ascension Parish major and minor subdivision plats; the applicable measurement depends on the underlying zoning district and the approved plat.

    • Building setbacks must be described, shown by map, or referenced to a typical lot detail on the plat.
    • Minor subdivisions adhere to the setback requirements of the underlying zoning.
    • The cited checklist does not state the district-specific numeric setback measurements; those remain to be obtained from the current zoning tables or code sections.
    “Building Setbacks: (either describe, note “see map” or refer to typical lot detail on plat.) Minor Subdivisions adhere to the setback requirements of the underlying zoning.”
  • Living in an RVLimited

    Recreational vehicles placed on sites within Ascension Parish zones A1—30, AH, and AE on the community's FIRM.

    • The recreational vehicle must either be on the site for fewer than 180 consecutive days, be fully licensed and ready for highway use, or meet the permit requirements of section 9.5-23(1) and the elevation and anchoring requirements for manufactured homes in paragraph (4).
    • A recreational vehicle is ready for highway use only if it is on its wheels or jacking system, attached to the site only by quick-disconnect utilities and security devices, and has no permanently attached additions.
    • This provision is limited to sites within the specified flood zones; the research located no countywide rule establishing unrestricted long-term RV occupancy outside those zones.

    maximum stay under one alternative: < 180 consecutive days

    “(5) Recreational vehicles. Require that recreational vehicles placed on sites within zones A1—30, AH, and AE on the community's FIRM either (i) be on the site for fewer than one hundred eighty (180) consecutive days, (ii) be fully licensed and ready for highway use, or (iii) meet the permit requirements of section 9.5-23 (1), and the elevation and anchoring requirements for "manufactured homes" in paragraph (4) of this section. A recreational vehicle is ready for highway use if it is on its wheels or jacking system, is attached to the site only by quick disconnect type utilities and security devices, and has no permanently attached additions.”
  • Subdividing landRegulated (with conditions)

    Division of property and subdivision activity in Ascension Parish.

    • The Planning Office enforces the parish Subdivision Ordinance.
    • The official page provides separate forms and checklists for simple divisions, family partitions, and major/minor subdivisions.
    “the Subdivision Ordinance, which governs the division of property”
    One more reviewed finding on this topic
    • Regulated (with conditions) — Division of property throughout Ascension Parish.
      “In order to manage growth throughout Ascension Parish, the governing authority has adopted a Subdivision Ordinance to promote orderly development. The Planning Office has the authority to enforce the Subdivision Ordinance, which governs the division of property in Ascension Parish.”
  • Driveway accessLimited

    Commercial driveway access and first-access driveways/frontages along public rights-of-way in Ascension Parish.

    • The parish permitting page directs applicants to request culvert permitting for first access driveways or frontages along all public rights-of-way.
    • For a commercial business fronting a state highway, a Louisiana Department of Transportation and Development driveway permit is needed only if the business fronts a state highway.
    • Commercial driveway plans must meet the listed width, radius, pipe, slope, and drainage requirements.

    commercial driveway minimum width: >= 24 feet (One-way driveways are 16 feet wide.) · commercial driveway maximum width: <= 35 feet (One-way driveways are 16 feet wide.) · reinforced concrete pipe minimum diameter: >= 18 inches

    “A driveway permit from the Department of Transportation and Development is needed ONLY if your business will front a state highway. See page 3 for required information.”
  • Building in a floodplainLimited

    Building, alteration, re-grading, or filling on property in Ascension Parish where flood-related permitting may apply.

    • The parish directs property owners to consult the local permitting department before building, altering, re-grading, or filling.
    • A permit may be needed to prevent flooding problems on other properties.
    • Requirements can vary by community and flood-zone location.
    “You should also check with the local permitting department before you build on, alter, re-grade, or fill on your property. A permit may be needed to ensure that projects do not cause flooding problems on other properties.”
  • Permit feesPublished (with conditions)

    Commercial permit plan review in Ascension Parish under the cited commercial-permit document.

    • The document states the fee is a plan-review fee for commercial permit submissions.
    • The document is marked Revised July 2018; no newer fee schedule was verified in an opened source.

    commercial plan review fee: 150 USD

    “NO set of plans will be accepted until all of the above requirements are met. $150.00 Plan Review Fee.”
    One more reviewed finding on this topic
    • Published (with conditions) — Parish planning and development application fees.
      “Subdivision Ordinance and Checklists Pre-Application Meeting Pre-Application Forms Fee Schedule”
  • Permit processPartial

    Ascension Parish planning, zoning, subdivision, and online permitting processes.

    • The parish provides an online permitting portal.
    • The Planning Office page provides application forms and checklists for simple divisions, family partitions, and major/minor subdivisions.
    • The commercial checklist requires prior agency approvals before plan submission.
    “Submit Applications & Payments Online Portal Login: MGOConnect.org”
    One more reviewed finding on this topic
    • Published (with conditions) — Parish subdivision and planning application process.
      “Ascension Parish Subdivision Application Submittal Forms Simple Division Submittal Subdivision Application Form Final Plat Review Submittal Checklist”

Louisiana rules that apply here

  • Owner-builder exemptionConditional

    Owners of property supervising or assuming charge of construction, alteration, repair, improvement, movement, demolition, erection, or maintenance of their personal residence in Louisiana under the contractor-licensing exemption in La. R.S. 37:2157(A)(13).

    • The residence must be the homeowner's personal residence and the homeowner may not build more than one residence per year.
    • The one-year period commences on the date the certificate of occupancy is issued.
    • An owner may build more than one single-family dwelling during a one-year period only when an additional residence results from a change in the owner's legal marital status or employment status requiring relocation to another employment location more than fifty miles from the owner's personal residence.
    • An affidavit of exemption on a form provided by the Louisiana State Licensing Board for Contractors must be provided to obtain the building permit.
    • The owner-builder affidavit states that the house must be maintained as the owner's primary residence after issuance of the certificate of occupancy or completion of construction.
    • The exemption does not exempt licensable subcontractors from applicable licensure requirements.
    • Local and state health and life-safety code requirements continue to apply.
    • The official sources do not state a fee for the exemption or affidavit.

    maximum residences: 1 residence per one-year period (Additional single-family dwelling allowed when a change in legal marital status or employment status requires relocation more than 50 miles from the owner's personal residence.) · relocation distance: > 50 miles (Applies to the employment-relocation exception.) · one-year period start: date of issuance of certificate of occupancy

    “Owners of property who [...] assume charge of the construction [...] of their personal residences, if the homeowner does not build more than one residence per year.”
    One more reviewed finding on this topic
    • Available (with conditions) — Owner-builder licensure exemption for personal-residence construction in Ascension Parish.
      “Owners of property who supervise, superintend, oversee, direct, or in any manner assume charge of the construction, alteration, repair, improvement, movement, demolition, putting up, tearing down, or maintenance of their personal residences, if the homeowner does not build more than one residence per year. The one-year period shall commence on the date of issuance of the certificate of occupancy.”
  • Certificate of occupancyLimited

    New residential construction in a parish or municipality enforcing the Louisiana State Uniform Construction Code, particularly where a residential mortgage lender is involved.

    • The statute expressly addresses a certificate of occupancy issued by a local building official or third-party provider for new residential construction.
    • Upon receipt of that certificate, a lender providing a residential mortgage loan must file a copy in the parish conveyance records.
    • The homeowner must provide the lender a copy.
    • The lender may assess only a reasonable filing charge not exceeding the amount charged by the parish for filing the document.
    • If the construction-code provisions cease to be enforced in a parish, the statutory filing provisions become null and void there.
    • In areas where windblown-debris storm shutters are required, occupancy may be allowed upon an affidavit that the owner ordered the shutters; installation must occur within ninety days, followed by notification and final inspection.

    storm-shutter installation deadline: 90 days (Applies when occupancy is allowed under the storm-shutter affidavit provision.)

    “Upon receipt of the certificate of occupancy issued by a local building official or third-party provider for a new residential construction, a lender who provides a residential mortgage loan for the purchase of such new residential construction shall file a copy of the certificate of occupancy in the conveyance records of the parish where the new residential construction is located.”
    One more reviewed finding on this topic
  • Minimum dwelling sizeDistrict specific (with conditions)

    Municipal zoning districts in Louisiana; the state authorizes municipalities to regulate the size of structures, which may include dwelling-size standards, but does not establish one statewide minimum dwelling size in this provision.

    • Any actual minimum dwelling-size requirement must be found in the applicable municipality's zoning ordinance or district regulations.
    • Local zoning ordinances remain subject to the judicial-review standards stated in the statute.
    “size of structures”
  • Lot coverageDistrict specific (with conditions)

    Municipal zoning districts in Louisiana; municipalities may regulate the percentage of a lot that may be occupied.

    • The applicable lot-coverage percentage is determined by the local zoning ordinance and district.
    • No statewide numerical lot-coverage limit is established by the cited statute.
    “percentage of lot that may be occupied”
  • Building heightDistrict specific (with conditions)

    Municipal zoning districts in Louisiana; municipalities may regulate building height and number of stories.

    • The applicable height limit is determined by the local zoning ordinance and district.
    • No statewide numerical building-height limit is established by the cited statute.
    “height, number of stories”
  • Who permits septicState

    Individual sewerage systems serving properties in Ascension Parish under Louisiana sanitary rules.

    • The state health officer issues the permit.
    • The local parish health unit and sanitarian participate in notification and final approval.
    “A person shall not install, cause to be installed, alter subsequent to installation, or operate an individual sewerage system of any kind without first having obtained a permit from the state health officer.”
    One more reviewed finding on this topic
  • Septic permitRequired

    Installation, alteration, or operation of any individual sewerage system in Louisiana, including septic tank systems.

    • A permit from the state health officer is required before installation, alteration, or operation.
    • Plans and specifications must be approved as part of the permit.
    • A temporary installation permit may issue only after the state health officer determines connection to a community-type sewerage system is not feasible and the soil, drainage, lot size/dimensions, and related factors are unlikely to create a nuisance or public health hazard.
    • Permits for lots in formal subdivisions require an official recorded plat/property survey filed with and approved by the Office of Public Health for individual sewerage use.

    permit stages: two-stage process

    “A person shall not install, cause to be installed, alter subsequent to installation, or operate an individual sewerage system of any kind without first having obtained a permit from the state health officer.”
    One more reviewed finding on this topic
  • Septic inspectionLimited

    Final approval of individual sewerage system installations in Louisiana.

    • Final approval requires verification that the system was installed in compliance with the code.
    • Verification may be by an on-site inspection by a representative of the state health officer and/or a completed Certification by Installer from the licensed installer.
    • The installer must notify the appropriate local Parish Health Unit before installation.
    • The certification must be submitted within 15 days after completion.

    certification submission deadline: 15 days after completion

    “A final permit approving the installation, shall be issued only upon verification that the individual sewerage system has been installed in compliance with this code. The verification of such installation shall be determined by means of an on-site inspection conducted by a representative of the state health officer and/or in the form of a completed "Certification by Installer" form submitted to the state health officer by the licensed installer.”
  • Off-grid sanitationLimited

    Use of individual or alternative onsite sewage systems instead of a community-type sewerage system in Louisiana.

    • Individual sanitation is allowed only when community-type sewerage is unavailable or connection is not feasible.
    • The system requires state-health-officer permitting and approved plans.
    • A conventional septic tank system may be used where community sewer is unavailable; an individual mechanical plant may be used only where community sewer is unavailable and the state health officer determines a conventional system would not function properly.
    • Innovative systems are limited to no more than three experimental or developmental installations statewide and require specifically approved plans, specifications, testing procedures, and a prior permit.

    experimental/developmental installations: <= 3 statewide maximum

    “The total number of such installations shall not exceed three throughout the state and shall be approved under the following conditions.”
    One more reviewed finding on this topic
    • Limited — Off-grid individual sewerage systems in Ascension Parish where community sewer is unavailable or infeasible.
      “A person shall not directly or indirectly discharge, or allow to be discharged, the contents or effluent from any plumbing fixtures, vault, privy, portable toilet, or septic tank, into any road, street, gutter, ditch, water course, body of water, or onto the surface of the ground.”
  • Well permitLimited

    New water wells statewide in Louisiana, including wells outside critical groundwater areas, except the types specifically subject to post-installation notification or other exemptions.

    • All new water wells must be installed by a licensed water-well drilling contractor and registered through the Department of Transportation and Development within 30 days after completion.
    • Unless specifically listed in the exemptions, the owner must submit a water well notification form to the commissioner at least 60 days before installation.
    • Before construction begins, the drilling contractor must confirm that the Office of Conservation has received and responded to the installation notification.
    • Domestic wells, replacement wells, drilling rig supply wells, drought relief wells, and other wells exempted for just cause are subject to post-installation notification rules rather than the ordinary 60-day prior notification.
    • The commissioner reviews prior notifications within 30 days and may impose restrictions, request further information, or take no action; an additional 30-day review period may apply if further information is requested.
    • For large-volume wells or wells in a critical area of groundwater concern, the commissioner may fix allowable production, spacing, and metering; for other wells outside a critical area, an order may only fix spacing.
    • After written confirmation that no restrictions or further information are required, or when the owner accepts imposed restrictions, the owner need not wait the full 60 days and may begin drilling consistently with the notification and restrictions.

    prior notification period: 60 days (Does not apply to well types listed in LAC 43:VI §701.C and D.) · registration deadline after completion: 30 days (The applicable state registration requirement applies to all new water wells.) · additional review period if information requested: 30 days (Additional period begins when the requested information is received.)

    “require a water well notification form be submitted to the commissioner by the owner of the well at least 60 days prior to installation.”
  • Mandatory utility hookupSewer (with conditions)

    Structures in Ascension Parish where an established community sewerage system and ample water supply are available.

    • All plumbing fixtures must be connected to the available community sewerage system.
    • The state health officer determines availability, considering separation and related factors.
    “Where an established community sewerage system (either public or private) is available, and there is ample water supply, all plumbing fixtures within any structure shall be connected to such community sewerage system.”
    One more reviewed finding on this topic
  • Agricultural exemptionConditional

    Agricultural-purpose subdivision regulation by parish planning commissions in Louisiana.

    • The statutory exclusion applies to parish planning regulations governing subdivision of land in unincorporated territory for purposes other than agricultural.
    • Municipal planning commissions are separately authorized to regulate subdivision within their jurisdictions; this claim does not establish a municipal agricultural exemption.
    • Other statutory rules may still apply, including utility, drainage, sewerage-disposal, and street-planning requirements for qualifying subdivisions under R.S. 33:106.1.
    “Before exercising the powers referred to in R.S. 33:110, a parish planning commission shall adopt regulations governing the subdivision of land within unincorporated territory within its jurisdiction for purposes other than agricultural.”
  • Campground & park staysProhibited

    Overnight camping on Louisiana public property that is not a designated campground.

    • The prohibition applies to public property owned or controlled by the state or any local or political subdivision.
    • Designated campgrounds are excluded from the prohibition.
    • Violation may result in a fine of not more than $500, imprisonment for not more than six months, or both.
    • The statute states an effective date of June 9, 2026.

    maximum fine: <= 500 USD · maximum imprisonment: <= 6 months

    “Unauthorized camping on public property is the intentional use of any tent [...] to permit overnight use on public property that is not a designated campground.”
    One more reviewed finding on this topic
  • county zoning authorityLimited

    Louisiana parish governing authorities' zoning authority over parish land, including unincorporated areas, under the statewide parish zoning enabling subpart.

    • The general parish zoning authorization excludes Rapides, Jefferson, Sabine, and Webster Parishes.
    • A parish may divide the parish into zoning districts, and regulations may differ between districts but must be uniform for each class or kind of land and structure within each district.
    • Zoning regulations must comply with the required comprehensive plan.
    • No regulation becomes effective until after a public hearing.
    • Notice must be published once a week in three different weeks in the official parish journal, with at least fifteen days between first publication and hearing.
    • At least ten days before the hearing, the parish must make a good-faith attempt to notify owners of record by certified mail; when more than ten parcels are zoned or rezoned, official-journal advertisement is adequate notice.
    • To use the powers of the subpart, the parish governing authority must appoint a zoning commission, which must hold a public hearing and issue its final report before the governing authority holds its public hearings or acts.

    excluded parishes: Rapides, Jefferson, Sabine, and Webster · publication interval: 3 different weeks · minimum elapsed time before hearing: >= 15 days · owner notice deadline: >= 10 days before hearing (Good-faith certified-mail notice; official-journal advertisement is adequate when more than ten parcels are zoned or rezoned.)

    “For the purpose of promoting the health, safety, morals, or general welfare of the community, the governing authorities of parishes, other than the parishes of Rapides, Jefferson, Sabine, and Webster, or their duly created boards of adjustment are hereby authorized to regulate and restrict the height, number of stories, and size of structures; the percentage of lots that may be occupied; courts and other open spaces; the density of population; and the location and use of the buildings, structures, and land for trade, industry, residence, or other purposes.”
    One more reviewed finding on this topic
    • Limited — Louisiana parish governing authorities adopting zoning regulations affecting parish territory, including unincorporated areas.
      “the governing authorities of parishes, other than the parishes of Rapides, Jefferson, Sabine, and Webster, or their duly created boards of adjustment are hereby authorized”
  • county building authorityGeneral

    Louisiana parishes may enforce the statewide construction codes and administer building-code enforcement, including permits and inspections, in unincorporated areas.

    • Parishes must enforce only the construction codes provided in the Louisiana State Uniform Construction Code Part.
    • Enforcement includes plan review, inspections, and issuance, denial, or revocation of permits.
    • Each parish must appoint a council-certified building official or contract for those services so the unincorporated area is under the jurisdiction of a certified building official.
    • A parish may use a certified building inspector instead of a certified building official for no more than four years from the date the state uniform construction code becomes effective in the parish.
    • The statute preserves federal manufactured-housing requirements and Louisiana Manufactured Housing Commission jurisdiction for manufactured-home construction, installation, service, renovation, repair, and warranty work.
    • The statute page identifies an amendment effective July 1, 2026.

    temporary certified-inspector period: <= 4 years (Measured from the date the state uniform construction code becomes effective in the parish or municipality.)

    “all municipalities and parishes in this state shall enforce only the construction codes provided for in this Part.”
    One more reviewed finding on this topic
    • General — Louisiana parishes' authority and duty to enforce the state construction codes, including residential construction codes, through building-code enforcement officers or certified third-party providers.
      “Notwithstanding any other law to the contrary relating to the authority of local governments to enforce construction codes, all municipalities and parishes in this state shall enforce only the construction codes provided for in this Part. All municipalities and parishes shall use building code enforcement officers or certified third-party providers contracted by the municipality, parish, or regional planning commission to act in the capacity of a building code enforcement officer to enforce the provisions of this Part.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission — ask the county directly.

  • Camping on your land — Temporary camping on private property in Ascension Parish.
  • Tiny homes — Tiny-home occupancy in Ascension Parish.
  • Manufactured homes — Manufactured-home occupancy in Ascension Parish.
  • Accessory dwellings — Accessory-dwelling occupancy in Ascension Parish.
  • Short-term rentals — Short-term rental use in Ascension Parish.

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Living off-grid in Ascension Parish, Louisiana

Is Ascension Parish a good place to live off-grid or homestead?

Ascension Parish scores 48/100 on the Bolthole Index, a solid county profile. Its strengths: manageable long-term carry cost and strong self-sufficiency basics: 64.3″/yr rainfall plus 59.5% wooded land. Watch-outs: about 596,633 people within a 30-minute drive and more administrative friction around building and land use.

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

Ascension Parish generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by Louisiana Department of Health, Office of Public Health (via Ascension Parish Health Unit sanitarian). Owner-builders may act as their own contractor to build their home. These answers are quoted from official sources and independently re-checked. Rules change and cities within the county differ — always confirm with the county before you buy or build.

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

Living in an RV on your own land in Ascension Parish is limited to specific cases: Recreational vehicles placed on sites within Ascension Parish zones A1—30, AH, and AE on the community's FIRM. The recreational vehicle must either be on the site for fewer than 180 consecutive days, be fully licensed and ready for highway use, or meet the permit requirements of section 9.5-23(1) and the elevation and anchoring requirements for manufactured homes in paragraph (4). A recreational vehicle is ready for highway use only if it is on its wheels or jacking system, attached to the site only by quick-disconnect utilities and security devices, and has no permanently attached additions. Confirm with the county before relying on it.

How much does land cost in Ascension Parish, Louisiana?

Land in Ascension Parish runs about $5,985 per acre, based on the latest county data.

What is the water situation in Ascension Parish?

Ascension Parish gets about 64.3" of rain a year, with severe drought in roughly 7.1% of years.

How remote is Ascension Parish?

A representative private-land location has about 596,633 people within a 30-minute drive and 3,463,754 within two hours. The road-network catchments count population across county lines and clusters of smaller cities; straight-line radius values remain available as a comparison.

How Ascension compares in Louisiana

Compare side-by-side →See all 64 Louisiana counties ranked →