Bolthole Index

St. Martin Parish, Louisiana

Building permits, zoning and septic rules in Breaux Bridge, Louisiana

Breaux Bridge, Louisiana requires a city building permit before construction, repair, renovation or remodeling worth more than $1,000.1 Breaux Bridge sets zoning inside city limits; subdivision sewage disposal involves the parish health unit and city engineer, with Louisiana Department of Health requirements.23 For a property in St. Martin Parish, start with the city Planning, Zoning & Permits office to discuss the building project.4

At a glance

Building permit
City permit required for covered building work over $1,0001
Zoning
City zoning applies inside incorporated limits; verify the parcel on the official map2
Septic
State health permit required; parish health unit participates in subdivision sewage approval53
Manufactured homes
Permitted conditionally in R-4; mobile homes prohibited in R-1, R-2 and R-36
Minimum dwelling size
400 square feet under the zoning definition, which excludes mobile homes and trailers7
Owner-builder
State contractor-licensing exemption for a personal residence; affidavit and building permit still needed8

Who to call

Building permits

City of Breaux Bridge Planning, Zoning & Permits

City building-permit and parcel-zoning questions; ask this office to identify the floodplain administrator for a city parcel.

337.332.8333

Online permits →

Also useful

City of Breaux Bridge Permit Portal & Applications

City building, plan-review, electrical, mechanical, plumbing, mobile-home and culvert application access.

Online permits →

Septic permits

St. Martin Parish Office of Public Health/Sewer Systems

New or updated individual sewage systems; contact the parish health unit for septic approval inside the city.

(337) 394-6134

303 Port Street, St. Martinville

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 Breaux Bridge means bringing your own water and power. The kit we’d start with:

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Do you need a building permit in Breaux Bridge, LA?

Breaux Bridge requires a permit from the mayor before constructing, repairing, renovating or remodeling a building when the work amounts to more than $1,000.1 Breaux Bridge has adopted the Louisiana State Uniform Construction Code and related building codes.9 Treat the building-permit threshold and construction standards as separate questions when discussing a small project with the city Planning, Zoning & Permits office.194 Louisiana offers a contractor-licensing exemption for owners supervising construction of their personal residence, but the owner must provide an exemption affidavit to obtain the building permit and must still meet health and life-safety requirements.8

Who issues building permits in Breaux Bridge, and how do you apply?

Contact the Breaux Bridge Planning, Zoning & Permits office at 337.332.8333 for city building-permit and zoning questions.4 The city application page provides building and plan-review applications, along with electrical, mechanical, plumbing, mobile-home and culvert applications.10 Ask the city which applications fit the proposed work and request the current building-permit fee and inspection schedule before starting. For a mobile home manufactured before the year of placement, Breaux Bridge requires inspection by the City Building Inspector and a certificate of compliance before delivery to a properly zoned lot.11

Does Breaux Bridge have zoning, lot-size rules and setbacks?

Breaux Bridge zoning applies throughout incorporated city limits, and the official zoning map controls the current district for a parcel.2 Minimum lot area per family is 10,000 square feet in R-1, 7,500 in R-2, 5,000 in R-3 and 4,000 in R-4; the stated R-4 restrictions exclude mobile homes in a recognized mobile-home park.12131415

For a single-family dwelling in R-1, the front setback is 30 feet from the street right-of-way, side yards total 20% of lot width with at least 10 feet per side, and the rear yard is 20% of lot depth but need not exceed 25 feet.16 Ask the city zoning office to check the district and the entire building footprint before choosing a house plan.

How do septic permits work inside Breaux Bridge?

Louisiana requires a state health permit before installing, altering or operating an individual sewage system, including septic.5 In Breaux Bridge subdivisions, an accessible public sanitary sewer must be used, with adequate sewer lines accessible to each lot.17 Subdivision sewage systems must meet Louisiana Department of Health requirements and receive parish health-unit and city-engineer supervision and approval.3

Contact the St. Martin Parish Office of Public Health/Sewer Systems for new or updated individual sewage systems.18 State septic approval depends on sewer-connection feasibility, soil, drainage and lot dimensions; a subdivision lot also needs the recorded plat or survey approved for individual sewerage use.5 Resolve sewer availability before budgeting for a septic system.

Can you live in an RV or tiny home in Breaux Bridge?

We could not confirm permission to occupy an RV on a private Breaux Bridge lot; ask the city Planning, Zoning & Permits office about the proposed address, duration and utility connections. Breaux Bridge’s zoning definition requires a dwelling to have at least 400 square feet, while excluding mobile homes, trailer houses and trailers from that definition.7 Ask the city to classify a tiny home before buying one, especially a home on wheels.

Breaux Bridge permits manufactured homes conditionally in R-4 and prohibits mobile homes in R-1, R-2 and R-3.6 A previously manufactured mobile home also needs the city inspection and compliance certificate before delivery to a properly zoned lot.11

Building a home in Breaux Bridge: what are the steps?

  1. Ask Breaux Bridge Planning, Zoning & Permits to confirm city jurisdiction, the official zoning district and the proposed use.42
  2. Check the lot area and building footprint against the applicable district; R-1 single-family lots require at least 10,000 square feet per family.12
  3. Resolve sewer access; subdivision development must connect to accessible public sanitary sewer, while individual systems require state health approval.175
  4. Use the city building and plan-review application page, and obtain the required city building permit before covered work begins.101
  5. Ask the city for the inspection sequence and occupancy paperwork before scheduling move-in. In special-flood-hazard areas, new and substantially improved residential buildings must meet the city’s elevation and professional-certification requirements.19

What should you check before buying land in Breaux Bridge?

Check flood status before settling on a foundation or house design: new construction and substantial improvements in Breaux Bridge special-flood-hazard areas require the residential lowest floor, including a basement, at or above base flood elevation where flood-elevation data is provided, with professional certification.19 Ask the city Planning, Zoning & Permits office to identify the floodplain administrator for the parcel.

We could not confirm a city-specific private-well permit rule; ask the city about local water-service requirements before arranging drilling. Louisiana requires licensed well drilling and registration of new wells, with domestic wells subject to post-installation notification rather than the ordinary advance-notification rule.20 For land outside Breaux Bridge city limits, consult the St. Martin Parish guide for the parish’s unincorporated-area building authority.21

Watch-outs

  • Breaux Bridge’s minimum dwelling area does not establish approval for a tiny home on wheels; the zoning definition excludes mobile homes and trailers.7
  • Louisiana’s owner-builder exemption concerns contractor licensing and still requires a building-permit affidavit and compliance with health and life-safety codes.8
  • We could not confirm general city occupancy-certificate requirements or private-lot RV occupancy; ask Breaux Bridge Planning, Zoning & Permits before planning move-in.4

Sources

  1. Sec. 6-19. Building permit—Required (Breaux Bridge), quoted and re-checked
  2. Ordinance No. 2232; Comprehensive Zoning Ordinance (Breaux Bridge), quoted and re-checked
  3. Sec. 19-34. Sewage disposal system (Breaux Bridge), quoted and re-checked
  4. City of Breaux Bridge Planning, Zoning & Permits (breauxbridgela.net)
  5. Louisiana Administrative Code Title 51, Part XIII, Public Health—Sanitary Code (Louisiana statewide rule), quoted and re-checked
  6. Sec. 23-5.5. R-4, Single family residential, mobile homes (Breaux Bridge), quoted and re-checked
  7. Sec. 23-2.1. Definitions (Breaux Bridge), quoted and re-checked
  8. Louisiana Revised Statutes § 37:2157 — Exemptions (Louisiana statewide rule), quoted and re-checked
  9. Sec. 6-16. Adoption of Louisiana State Uniform Construction Code (Breaux Bridge), quoted and re-checked
  10. City of Breaux Bridge Permit Portal & Applications (breauxbridgela.net)
  11. breauxbridgela.net (Breaux Bridge), quoted and re-checked
  12. Sec. 23-5.2. R-1, Single family residential (Breaux Bridge), quoted and re-checked
  13. Sec. 23-5.3. R-2, Single family residential district (Breaux Bridge), quoted and re-checked
  14. Sec. 23-5.4. R-3, Single family residential district (Breaux Bridge), quoted and re-checked
  15. Sec. 23-5.5. R-4, Single family residential, mobile homes (Breaux Bridge), quoted and re-checked
  16. Sec. 23-5.2. R-1, Single family residential (Breaux Bridge), quoted and re-checked
  17. Sec. 19-34. Sewage disposal system (Breaux Bridge), quoted and re-checked
  18. St. Martin Parish Office of Public Health/Sewer Systems (stmartinparish.net)
  19. library.municode.com (Breaux Bridge), quoted and re-checked
  20. Louisiana Administrative Code, Title 43, Part VI, §701 (Louisiana statewide rule), quoted and re-checked
  21. RS 40:1730.23. Enforcement of building codes by municipalities and parishes (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 Breaux Bridge

Breaux Bridge’s own rules

  • Building permitRequired

    Construction, repair, renovation, remodeling, or moving a building within Breaux Bridge city limits when work exceeds $1,000.

    • A permit must be obtained from the mayor before the work.
    • The cited threshold is more than $1,000.00.

    work value threshold: > 1000 USD

    “No person shall construct, repair, renovate or remodel any building within the city where the work amounts to more than $1,000.00 without first having applied for and received a permit therefor from the mayor.”
  • Building code adoptedAdopted

    Construction regulated by Breaux Bridge's building code.

    • The adopted codes include IBC, IEBC, IRC, ISPSC, IMC, IFGC, IPC, NEC, IPMC, and IFC.
    • The ordinance provides for incorporation of then-current versions when adopted and promulgated by the responsible official body.
    “The board of aldermen hereby amends chapter 6 of the Code of Ordinances to implement each of the most currently adopted codes, along with any amendments thereto;”
  • InspectionsLimited

    Certain mobile homes placed within Breaux Bridge.

    • A mobile home manufactured in a prior year requires inspection and a certificate of compliance before delivery to a properly zoned lot.
    • The rule does not establish a general inspection requirement for every building project.
    “No mobile home manufactured in a year prior to the year in which the mobile home is to be situated within the City of Breaux Bridge, shall be permitted within the City of Breaux Bridge unless and until said mobile home is inspected by the City Building Inspector and the City Building Inspector issues a certificate of compliance that the mobile home meets all applicable compliance and building codes regulations.”
  • Local zoningPresent

    All land within Breaux Bridge's incorporated limits.

    • The official zoning map controls current zoning status.
    “This ordinance shall apply to all land within the planning area which lies within the incorporated limits of the City of Breaux Bridge, Louisiana.”
  • Zoning districtsPublished

    Land within Breaux Bridge's incorporated limits.

    • The official zoning map is the final authority for current parcel zoning status.
    “The various Zoning Districts of the City of Breaux Bridge, Louisiana are as follows: R-1 SINGLE FAMILY RESIDENTIAL R-2 SINGLE FAMILY RESIDENTIAL R-3 SINGLE FAMILY RESIDENTIAL R-4 MOBILE HOME RESIDENTIAL R-5 MULTIPLE FAMILY RESIDENTIAL”
  • Minimum dwelling sizeSpecified

    Residential dwellings regulated by Chapter 23 inside Breaux Bridge city limits.

    • The definition excludes mobile homes, trailer houses, or trailers as defined in the ordinance.

    minimum dwelling area: >= 400 square feet (Mobile homes, trailer houses, or trailers are excluded from the definition.)

    “Dwelling. Any building which is designed for or used exclusively for residential purposes. For the purpose of this chapter, such buildings shall have a minimum area of 400 square feet.”
  • Minimum lot sizeDistrict specific (with conditions)

    Single-family dwellings in the R-1 district.

    minimum lot area: >= 10000 square feet per family

    “Minimum lot area: Ten thousand square feet per family.”
    3 more reviewed findings on this topic
  • SetbacksDistrict specific (with conditions)

    Single-family and manufactured-home residential use in R-4.

    • The cited restrictions do not apply to mobile homes in a recognized mobile-home park.

    front setback: 15 feet · minimum side yard per side: >= 5 feet · rear yard: 20% of lot depth, maximum 25 feet

    “Minimum yards: Front depth 15 feet set back line from street right-of-way. Front width 40 feet. Side yard with minimum per side five feet. Rear yard 20 percent of lot depth not required to exceed 25 feet. These restrictions do not apply to mobile homes situated in a recognized mobile home park.”
    3 more reviewed findings on this topic
    • District specific (with conditions) — Single-family dwellings in R-1.
      “Minimum yards: Front depth 30 feet set back from the street line right-of-way. Front width 100 feet. Side yard total width must equal 20 percent of lot width. Side yard minimum width per side equals ten feet. Rear yard must equal 20 percent of lot depth but is not required to exceed 25 feet.”
    • District specific (with conditions) — Single-family dwellings in R-2.
      “Minimum yards: Front depth 20-foot set back from street right-of-way. Front width 75 feet. Side yard total 20 percent of lot width. Side minimum seven feet. Rear 20 percent of lot depth but is not required to exceed 25 feet.”
    • District specific (with conditions) — Single-family dwellings in R-3.
      “Minimum yards: Front depth 15 feet set back from street right-of-way. Front width 50 feet. Side total width 20 percent of lot width. Side minimum width per side five feet. Rear 20 percent of lot depth not required to exceed 25 feet.”
  • Lot coverageSpecified

    Individual mobile-home or manufactured-home lots in city parks.

    • The stand may not exceed one-third of the lot area.
    • The combined occupied area of the home and accessory structures may not exceed 75 percent.

    maximum occupied area: <= 75 percent of lot area

    “Mobile home stands or manufactured home stands shall not occupy an area in excess of one-third of the respective lot area. The accumulated occupied area of the mobile home or manufactured home and its accessory structures on a lot shall not exceed 75 percent of the respective lot area.”
  • Camping on your landLimited

    Overnight camping in city-owned parks and recreation areas.

    • A written permit from the City of Breaux Bridge is required unless camping occurs in an area designated for it.
    • The mayor may issue the permit without concurrence of the board of aldermen.
    “It shall be unlawful to camp or remain in a camper over night in the city-owned park and recreation areas without first obtaining a written permit issued by the City of Breaux Bridge, except in the area so designated.”
  • Manufactured homesLimited

    Manufactured-home occupancy and placement inside Breaux Bridge city limits.

    • Manufactured homes are permitted in R-4 subject to city ordinances and other applicable standards.
    • Mobile homes are prohibited in R-1, R-2, and R-3 under the cited mobile-home regulation.
    • A mobile-home permit and proper zoning may be required.
    “Additionally, manufactured homes and modular homes, as such terms are defined in section 23-5.18.2, and in accordance with such standards and requirements otherwise set forth in the city's ordinances, shall be permitted in this zoning district.”
  • Who permits septicMixed (with conditions)

    Subdivision sewage disposal inside Breaux Bridge city limits where public sewer is unavailable or where sewer improvements are proposed.

    • The parish health unit supervises and approves individual sewage disposal facilities.
    • The city engineer and Louisiana Department of Health approve sanitary sewer improvement plans.
    “Sewer connections and subdivision sewer systems shall comply with the regulations of the Louisiana Department of Health requirements and shall be constructed under the supervision of and approved by the parish health unit and engineer for the city.”
  • Mandatory utility hookupSewer (with conditions)

    Subdivision development inside Breaux Bridge where a public sanitary sewer is accessible.

    • The subdivider must connect to the accessible public sanitary sewer and provide sewer lines accessible to each lot.
    • Sewer connections and systems must comply with Louisiana Department of Health requirements and city/parish health-unit supervision.
    “If the subdivision is located where a public sanitary sewer is accessible, the subdivider shall connect with such sanitary sewer and provide adequate sewer lines accessible to each lot.”
  • Subdividing landRegulated (with conditions)

    Subdivision proposals inside Breaux Bridge city limits.

    • Subdivision proposals must address sewer access, health-unit supervision, city-engineer approval, and Louisiana Department of Health approval where applicable.
    “If the subdivision is located where a public sanitary sewer is accessible, the subdivider shall connect with such sanitary sewer and provide adequate sewer lines accessible to each lot.”
  • Driveway accessRequired

    Mobile-home and manufactured-home parks inside Breaux Bridge city limits.

    • Parks must provide safe and convenient vehicular access from abutting public streets or roads to each lot.
    • Park entrances require city-engineer approval.
    “All parks shall be provided with safe and convenient vehicular access from abutting public streets or roads to each lot. Such access shall be provided by asphalt or concrete streets or driveways.”
  • Building in a floodplainRequired

    New construction and substantial improvements in Breaux Bridge special-flood-hazard areas.

    • Residential lowest floors, including basements, must be elevated to or above base flood elevation where base-flood data is provided.
    • Professional certification is required under the cited residential-construction provision.
    “New construction and substantial improvement of any residential structure shall have the lowest floor (including basement), elevated to or above the base flood elevation.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Breaux Bridge or St. Martin Parish directly.

  • Owner-builder exemption — Owner-builders performing construction inside Breaux Bridge city limits.
  • Certificate of occupancy — General certificates of occupancy for buildings inside Breaux Bridge city limits.
  • Building height — Building height inside Breaux Bridge city limits.
  • Tiny homes — Tiny-home occupancy inside Breaux Bridge city limits.
  • Accessory dwellings — Accessory dwelling units inside Breaux Bridge city limits.
3 more unanswered
  • Well permit
  • Agricultural exemption
  • Short-term rentals

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 Breaux Bridge publishes no rule on the point, not that none exists. St. Martin Parish’s page lists the county offices to call.

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