Administrative overview · FIPS 22101
St. Mary Parish County permit authority
The first compliance decision is jurisdictional: identify the office with statutory authority over your parcel, then use its filing and inspection sequence to keep the project moving.
Jurisdictional status
County
This county profile is the primary starting point for unincorporated-area permitting.
Responsible agency
St. Mary Parish Government Planning and Zoning Department
For a project in or near St. Mary Parish, this office is the identified point of contact for permit intake, statutory code enforcement, plan review coordination, and inspection release conditions. Confirm the parcel’s boundary and project type before relying on the county lane.
Direct contact
(337) 828-4100 ext. 5555; Planning and Zoning direct ext. 5280
Call before mobilizing if the project has a boundary, occupancy, fire, septic, or utility question.
Permit counter
Fifth Floor Courthouse, Franklin, LA 70538
Operating hours
Operating hours not verified
Review expectation
Ask the agency for its current review estimate
Compliance workbench
Choose the next project decision.
Apply online
Open the verified digital gateway, application form, and review timeline.
Open guide →Fees & penalties
Understand fee schedules, enforcement exposure, and stop-work liabilities.
Open guide →Codes & exemptions
Read the code framework, minor-work exemptions, and inspection lane.
Open guide →Agency website
Visit the primary public source for current notices and contact changes.
Open guide →Source trail
Official sources for this profile
Use these direct agency or licensing links to confirm current instructions before you file, pay, or schedule work. External pages control if their information differs from this directory.
Project questions
Frequently asked questions for St. Mary Parish
Who handles permitting for this jurisdiction?
St. Mary Parish Government Planning and Zoning Department is the identified county-level authority for this profile. Confirm that the property is in its service area before filing.
How should I begin an application?
Begin with the online permit gateway listed in the application guide. If the portal does not recognize the address or project type, contact (337) 828-4100 ext. 5555; Planning and Zoning direct ext. 5280.
How long might review take?
A typical review timeline was not verified. Ask the agency for its current completeness and review estimate.
How are inspections scheduled?
The parish fee schedule specifies included inspections by permit type and $75 additional-inspection fees. Contact Planning and Zoning at (337) 828-4100 ext. 5555 or permits@stmaryparishla.gov for current inspection scheduling instructions.
Which codes and exemptions should I review?
Louisiana State Uniform Construction Code (LSUCC) and the St. Mary Parish Unified Development Code; the accessible current parish sources do not identify the specific current 2026 code editions. N/A. The current fee schedule separately covers small detached accessory structures, patio covers, renovations, and trade work, but the accessible parish sources do not publish a general minor or cosmetic permit exemption list.