Bolthole Index

St. Mary Parish, Louisiana

Building permits, zoning and septic rules in Town of Berwick, Louisiana

Town of Berwick, Louisiana has adopted construction codes, but we could not confirm the complete local building-permit application process; start with town Planning & Zoning.12 Berwick sets zoning within town limits, rather than using the unincorporated St. Mary Parish zoning rules.3 Septic systems require state health approval, separate from town zoning and floodplain development approval.45

At a glance

Building permits
Town construction codes adopted; ask town Planning & Zoning for the application and fees12
Zoning
Town zoning districts and official zoning map apply inside Berwick3
Septic permits
State health approval required; contact the parish health unit46
RV living
Flood-zone conditions apply; general residential occupancy remains unconfirmed7
Residential lot size
R-1 one-family dwelling: at least 6,000 square feet8
Owner-builder
State contractor-license exemption for a personal residence; building and safety rules still apply9
Floodplain development
Town development permit required in special flood hazard areas5

Who to call

Planning & zoning

Town of Berwick Planning & Zoning

Town zoning questions and the starting contact for building applications, fees and floodplain referrals

985.384.8858

Septic permits

St. Mary Parish Health Unit

Local Environmental Health contact for onsite wastewater questions

985.380.2441

1200 David Drive, Morgan City, LA 70380

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 Town of Berwick means bringing your own water and power. The kit we’d start with:

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Do you need a building permit in Town of Berwick, LA?

Berwick has adopted the Louisiana State Uniform Construction Code for building construction, alteration, repair, equipment, use, occupancy and maintenance, with farm structures and recreational camps excluded from that adoption provision.1 Louisiana law requires local building-code enforcement procedures to include building permits, but we could not confirm Berwick’s complete application procedure or fee schedule.1011 Ask town Planning & Zoning for the residential application, inspection contacts and current fees before scheduling construction.2 Berwick separately requires house/building-moving and trailer-home-moving permits before moving those structures in, into, through or from town.11

Who handles building and zoning questions in Town of Berwick?

Town of Berwick Planning & Zoning publishes its contact telephone as 985.384.8858.2 Start there with the property address, intended use and proposed structure; ask who issues the building permit, which plans are needed and how inspections are arranged.2 Louisiana’s building inspections are conducted by a building-code enforcement officer or certified third-party provider.12 An owner building a personal residence may qualify for Louisiana’s contractor-licensing exemption, but must provide the required owner-builder affidavit to obtain the building permit; health and life-safety requirements still apply.9 Ask the town how to submit that affidavit with the application.2

Does Town of Berwick have zoning, lot-size rules and setbacks?

Berwick’s zoning ordinance divides land within corporate limits into districts and adopts the official zoning map by reference.3 Ask town Planning & Zoning to identify the parcel’s district before choosing a house plan.2 In Berwick’s R-1 Single Family Residential District, a one-family dwelling needs a lot of at least 6,000 square feet.8 R-1 setbacks are 20 feet front, 5 feet side, 15 feet on a side abutting a street and 20 feet rear.13 The R-1 building-height limit is 35 feet.14 Those R-1 dimensions describe that district, so ask the town for the requirements attached to any differently zoned parcel.32

How do septic permits work inside Town of Berwick?

Louisiana requires a state-health-officer permit before installing, altering or operating an individual sewerage system, with approved plans and specifications.4 Contact Environmental Health at the St. Mary Parish Health Unit for a Berwick property’s onsite wastewater questions.6 State rules allow a temporary individual-system installation permit only after officials determine community-sewer connection is not feasible and evaluate soil, drainage, lot dimensions and related health risks.4 A septic tank system may be used only where community sewer is unavailable and code requirements are met.15 Resolve sewer availability before designing an off-grid wastewater system; town zoning approval does not replace the separate state septic approval.34

Can you live in an RV or tiny home in Town of Berwick?

Berwick’s RV floodplain rule applies in the specified special flood zones: an RV must stay fewer than 180 consecutive days, be fully licensed and ready for highway use, or meet the development-permit and manufactured-home elevation and anchoring requirements.7 Highway-ready status requires wheels or a jacking system, quick-disconnect utility and security attachments, and no permanent additions.7 These are floodplain conditions; they do not establish general permission for residential RV occupancy under Berwick zoning.73 We could not confirm a townwide private-land camping allowance or a distinct tiny-home occupancy rule; ask town Planning & Zoning about the proposed use and district before buying an RV or tiny home for the lot.2

Building a home in Town of Berwick: what steps come first?

  1. Ask town Planning & Zoning to confirm the parcel’s zoning district and proposed residential use.32
  2. Ask the town for building application requirements, current fees and inspection arrangements.2
  3. Resolve community-sewer availability; if an individual system is proposed, obtain state health approval through the onsite wastewater process.4
  4. Ask for the parcel’s flood designation and development-permit requirements: Berwick requires development approval in special flood hazard areas, and qualifying new or substantially improved homes must elevate the lowest floor to or above base-flood elevation where that data is provided.5
  5. Confirm the town boundary before relying on these rules; for land outside Berwick, use the St. Mary Parish guide for the unincorporated-area answers.3

Watch-outs

  • Berwick’s flood-zone RV conditions do not settle whether residential RV living is allowed on a particular zoning lot; ask town Planning & Zoning.72
  • We could not confirm Berwick’s building-permit fees, certificate-of-occupancy procedure or minimum dwelling floor area; ask town Planning & Zoning before committing to a design.2
  • Louisiana’s owner-builder exemption concerns contractor licensing, and local and state health and life-safety requirements continue to apply.9

Sources

  1. Code of Ordinances, Sec. 5-1. Uniform Construction Code adopted (Town of Berwick), quoted and re-checked
  2. Town of Berwick Planning & Zoning (townofberwick.org)
  3. Town of Berwick Zoning Ordinance (Town of Berwick), quoted and re-checked
  4. Louisiana Administrative Code Title 51, Part XIII, Public Health—Sanitary Code (Louisiana statewide rule), quoted and re-checked
  5. Code of Ordinances, Sec. 8.5-18. Development permit required (Town of Berwick), quoted and re-checked
  6. St. Mary Parish Health Unit (ldh.la.gov)
  7. Code of Ordinances, Sec. 8.5-47. Specific standards (Town of Berwick), quoted and re-checked
  8. Town of Berwick Zoning Ordinance (Town of Berwick), quoted and re-checked
  9. Louisiana Revised Statutes § 37:2157 — Exemptions (Louisiana statewide rule), quoted and re-checked
  10. R.S. 40:1730.23 — Enforcement of building codes by municipalities, parishes, and the fire marshal (Louisiana statewide rule), quoted and re-checked
  11. Code of Ordinances, Sec. 8.5-18. Development permit required (Town of Berwick), quoted and re-checked
  12. R.S. 40:1730.23 — Enforcement of building codes by municipalities, parishes, and the fire marshal (Louisiana statewide rule), quoted and re-checked
  13. Town of Berwick Zoning Ordinance (Town of Berwick), quoted and re-checked
  14. Town of Berwick Zoning Ordinance (Town of Berwick), quoted and re-checked
  15. Louisiana Administrative Code Title 51, Part XIII, Public Health—Sanitary Code (Louisiana statewide rule), 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.

Answers from the rulebook for Town of Berwick

Town of Berwick’s own rules

  • Building code adoptedAdopted (with conditions)

    Building construction, alteration, repair, equipment, use, occupancy, and maintenance inside Berwick town limits.

    • Effective January 1, 2007.
    • Farm structures and recreational camps are excluded.
    • The adopted code includes the listed 2006 International codes, Louisiana State Plumbing Code, International Fuel Gas Code, and 2005 National Electrical Code.
    • Supplemental, revised, or superseding provisions are adopted by reference without further ordinance.
    “Effective January 1, 2007, pursuant to R.S. 40:1730.21, et seq., there is hereby adopted, for the purpose of regulating the construction, alterations, repair, equipment, use and occupancy and maintenance of every building or structure or any appurtenance connected or attached to such buildings or structures, excluding farm structures and recreational camps, the Louisiana State Uniform Construction Code.”
  • Zoning districtsPublished

    Zoning districts inside Berwick town limits.

    • The official zoning map is adopted by reference.
    • The ordinance lists R-1, R-2, R-3, R-4, R-5, I-1, B-1, B-2, B-3, M-1, and M-2 districts.
    “All the area within the corporate limits of Berwick, Louisiana is hereby divided into districts, as shown on the official zoning map, which together with all explanatory matter thereon, is hereby adopted by reference and declared to be a part of this ordinance.”
  • Minimum lot sizeSpecified

    One-family dwellings in the R-1 Single Family Residential District inside Berwick.

    • Churches require 1 acre.
    • All other uses require 10,000 square feet.
    • The one-family dwelling minimum is 6,000 square feet.

    minimum lot area for one-family dwelling: >= 6000 square feet

    “R-1 (Single Family Residential) 1-Family 6000 sq. ft Churches 1 Acre All Other Uses 10,000 sq. ft.”
  • SetbacksSpecified

    Structures in the R-1 Single Family Residential District inside Berwick.

    • Front setback is 20 feet.
    • Side setback is 5 feet.
    • Side setback abutting a street is 15 feet.
    • Rear setback is 20 feet.

    front setback: >= 20 feet · side setback: >= 5 feet · side setback abutting street: >= 15 feet · rear setback: >= 20 feet

    “Front: 20' Side: 5' Side Abutting Street: 15' Rear: 20'”
    One more reviewed finding on this topic
    • Specified — Structures in the R-2 Two-Family Residential District inside Berwick.
      “Front: 20' Side: 5' Side Abutting Street: 15' Rear: 20'”
  • Building heightSpecified

    Buildings in the R-1 Single Family Residential District inside Berwick.

    • The R-1 height limit is 35 feet.
    • The table separately lists a 50-foot lot-width entry and front setback requirements; the height limit is the final 35-foot entry for R-1.

    maximum building height: <= 35 feet

    “R-1 (Single Family Residential) 1-Family 6000 sq. ft Churches 1 Acre All Other Uses 10,000 sq. ft. 50' At Front Setback Front: 20' Side: 5' Side Abutting Street: 15' Rear: 20' 35'”
  • Living in an RVLimited

    Recreational vehicles placed on sites inside Berwick town limits within Zones A1-30, AH, and AE on the community FIRM.

    • The RV must be on the site for fewer than 180 consecutive days; or be fully licensed and ready for highway use; or meet the development-permit and elevation/anchoring requirements for manufactured homes.
    • A ready-for-highway-use RV must be on its wheels or jacking system, attached only by quick-disconnect utilities and security devices, and have no permanently attached additions.

    maximum consecutive days if using the temporary option: < 180 days

    “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 8.5-33 (1), and the elevation and anchoring requirements for "manufactured homes" in subsection (4) of this section.”
  • Building in a floodplainRequired

    Development in areas of special flood hazard inside Berwick town limits.

    • A development permit is required to ensure conformance with the flood-damage-prevention chapter.
    • Where base-flood-elevation data is provided, new or substantially improved residential structures must elevate the lowest floor, including basement, to or above base-flood elevation.
    • Additional requirements apply to nonresidential structures, enclosures, manufactured homes, recreational vehicles, and shallow-flooding areas.
    “A development permit shall be required to insure conformance with the provisions of this chapter.”
  • Permit processPartial

    Development and moving permits inside Berwick town limits.

    • A development permit is required for conformance with the flood-damage-prevention chapter.
    • A house or building moving permit is required before moving a house or building in, into, through, or from Berwick.
    • A trailer-moving permit is required before moving a trailer home in, into, through, or from Berwick.
    • The opened sources do not establish the complete application, review, inspection, or fee process.
    “A development permit shall be required to insure conformance with the provisions of this chapter.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Town of Berwick or St. Mary Parish directly.

  • Building permit — New residential construction and other construction inside Berwick town limits.
  • Owner-builder exemption — Owner-builders constructing or improving property inside Berwick town limits.
  • Inspections — Building inspections inside Berwick town limits.
  • Certificate of occupancy — Initial or continuing occupancy of buildings inside Berwick town limits.
  • Minimum dwelling size — Residential dwellings inside Berwick town limits.
13 more unanswered
  • Lot coverage
  • Camping on your land
  • Tiny homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Driveway access
  • Short-term rentals
  • Permit fees

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.

Unanswered questions are usually a sign that Town of Berwick publishes no rule on the point, not that none exists. St. Mary Parish’s page lists the county offices to call.

← All of St. Mary Parish: county rules, score and offices