Lauderdale County, Mississippi requires a permit for new buildings, additions, relocations and alterations to buildings, structures or mobile homes in the county permit jurisdiction1. We could not confirm a countywide zoning ordinance for unincorporated Lauderdale County2. Septic systems go through the Mississippi State Department of Health, and all wastewater must discharge to sewer or an approved septic system34.
At a glance
- Building permit
- Required in the county permit jurisdiction1
- Zoning
- No countywide zoning ordinance confirmed for unincorporated areas2
- Septic permits
- Mississippi State Department of Health3
- Owner-builder
- Allowed for your own residence5
- Floodplain
- Development permit required in covered flood-hazard areas6
- Septic soil suitability
- Only 4.6% of soils have no severe limit for a conventional drain field7
- Nearest city of 100,000+
- About 86 miles away8
- Population density
- About 100 people per square mile9
Who to call
Building permits
Lauderdale County Permit Office
Building permits for new construction, additions, relocations and alterations, and enforcement of the county's Flood Damage Prevention Ordinance
2525 14th Street, Meridian, MS 39301
Septic permits
Mississippi State Department of Health - Division of On-Site Wastewater
Individual on-site wastewater (septic) system permits, soil evaluations and applications statewide, including Lauderdale County
570 East Woodrow Wilson Drive, Jackson, MS 39216
Roads & driveways
Lauderdale County Road Department
Maintenance of Lauderdale County roads and bridges
2600 Courthouse Blvd., Meridian, MS 39301
Contact details are copied from each office’s official page and were checked against it on September 29, 2026.
Do you need a building permit in Lauderdale County, Mississippi?
Yes. Lauderdale County, Mississippi requires a permit for new buildings, additions, relocations and alterations to existing buildings, structures or mobile homes in the county permit jurisdiction1. The county source does not establish whether Meridian, Marion or other incorporated municipalities run separate permit systems, so confirm the issuing office when the parcel is inside municipal limits1. Mississippi's statewide framework required counties and municipalities to enact uniform building codes unless they opted out before November 30, 2014, but that framework alone does not identify the code currently applied to a particular Lauderdale County project10. The county permit requirement is clear; the specific code edition is not confirmed here.
Who is the Lauderdale County building department, and how do you reach them?
The Lauderdale County Permit Office handles county building permits and enforces the Flood Damage Prevention Ordinance11. Reach the Permit Office at (601) 484-3992, by email at [email protected], or at 2525 14th Street, Meridian, Mississippi 3930111. The office invites buyers and builders to visit before purchase or construction planning so it can check the parcel's flood zone11. Mississippi exempts a person who builds or acts as general contractor on that person's own residence from residential-builder licensing, but the licensing exemption does not remove Lauderdale County's permit requirement121. Ask the Permit Office which plans and approvals an ordinary, non-floodplain application needs because the available county materials do not establish the complete review sequence13.
Does Lauderdale County have zoning?
We could not confirm a countywide zoning or land-use ordinance for unincorporated Lauderdale County2. That does not establish that a parcel is unrestricted: general setbacks, minimum lot size, minimum dwelling size, height and lot-coverage rules also remain unconfirmed. Ask the Lauderdale County Permit Office about the parcel and proposed use before buying211. Floodplain rules are definite where they apply. Covered development requires a development permit before work begins, and the ordinance's administration and enforcement provisions apply throughout Lauderdale County except within the municipal limits of Meridian and Marion6. In floodplain-management areas, an accessory structure may not be used for human habitation; that restriction does not establish a general countywide accessory-dwelling rule outside that context14.
How do septic permits work in Lauderdale County?
Individual septic systems in Lauderdale County fall under the Mississippi State Department of Health's On-Site Wastewater program, which develops the rules and supports the regional staff who design and inspect systems3. Apply through MSDH's Division of On-Site Wastewater at (601) 576-7150, [email protected], or 570 East Woodrow Wilson Drive, Jackson, Mississippi 3921615. Inspection scheduling is coordinated with the appropriate county Department of Health16. Only 4.6% of Lauderdale County soils have no severe limitation for a conventional drain field, so obtain the site evaluation early and allow for a system suited to the parcel7. Mississippi does not allow gray water or other wastewater to discharge onto the ground, into a ditch or into a body of water; all wastewater must go to sewer or a septic system4.
Can you live in an RV or tiny home on your land in Lauderdale County?
We could not confirm a Lauderdale County rule that specifically allows or prohibits long-term RV living, temporary camping or tiny-home occupancy on private land. Ask the Lauderdale County Permit Office about the parcel and intended use before relying on an RV or tiny home as a residence211. A tiny home or mobile home that involves a new structure, relocation, addition or alteration falls within the county's stated permit categories when it is in the county permit jurisdiction1. Off-grid does not mean wastewater can be released outdoors: Mississippi requires all wastewater, including gray water, to go to a central sewer or septic system4. In a floodplain-management area, a structure treated as an accessory structure cannot be used for human habitation14.
Building a home in Lauderdale County: the steps, in order
- Ask the Lauderdale County Permit Office to check the parcel's flood zone before purchase or design work11.
- Start the septic application with the Mississippi State Department of Health and arrange the site evaluation before fixing the house location37.
- Ask the Permit Office which plans, elevations and certificates apply. A floodplain development application must be submitted before development and may require scaled plans, elevations and supporting documents13.
- Obtain the county building permit before new construction, an addition, relocation or alteration in the county permit jurisdiction1.
- For covered floodplain development, plan for at least three inspections tied to the elevation reference mark, structure footprint or lowest floor, and final elevation certificate17.
- For a driveway onto a state highway, obtain an MDOT permit for a new driveway or alteration18. Ask the Lauderdale County Road Department about access from a county-maintained road19.
What to check before you buy land in Lauderdale County
Septic feasibility deserves an early look because only 4.6% of Lauderdale County soils have no severe limitation for a conventional drain field7. Ask the Permit Office to check the flood zone before purchase; covered development needs a permit before work begins, and the floodplain application may require plans, elevations and certificates11613. The county is 81.4% wooded, while 68.7% of its land has a slope of 15% or less, so verify the actual clearing, grade and drainage at the homesite2021. Confirm legal road access with the agency that maintains the road; MDOT requires permits for new or altered driveways on state highways18. The effective property tax rate is about 1%, and the median annual property-tax bill is about $1,2232223.
Watch-outs
- We could not confirm a countywide zoning ordinance for unincorporated Lauderdale County; confirm any use, setback or lot-size restriction directly with the Permit Office before you buy2.
- Floodplain development may require scaled plans, elevations and certificates plus at least three inspections, so check the parcel with the Permit Office before design work1317.
- An off-grid system may not discharge gray water or other wastewater outdoors; Lauderdale County properties must use sewer or an approved septic system4.
Sources
- Permit Office - Lauderdale County, quoted and re-checked
- (2026 county census)
- On-Site Wastewater - Mississippi State Department of Health, quoted and re-checked
- WasteWater Online Application FAQ, quoted and re-checked
- Mississippi State Board of Contractors — Residential Builders Law (§73-59-15) (2026 county census)
- Lauderdale County Amended Flood Damage Prevention Ordinance, quoted and re-checked
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- Distance to the nearest metro area: Bolthole Index county data
- Population density: Bolthole Index county data
- Mississippi Uniform Building Codes (Mississippi statewide rule), quoted and re-checked
- Lauderdale County Permit Office (lauderdalecounty.org)
- Mississippi Senate Journal, March 9, 2022 (Mississippi statewide rule), quoted and re-checked
- Permit Office - Lauderdale County, quoted and re-checked
- Lauderdale County Amended Flood Damage Prevention Ordinance, quoted and re-checked
- Mississippi State Department of Health - Division of On-Site Wastewater (msdh.ms.gov)
- Mississippi State Department of Health Current Regulations: On-site Wastewater (Mississippi statewide rule), quoted and re-checked
- Lauderdale County Amended Flood Damage Prevention Ordinance, quoted and re-checked
- Mississippi Access Management Guide (Mississippi statewide rule), quoted and re-checked
- Lauderdale County Road Department (lauderdalecounty.org)
- Wooded share of land: Bolthole Index county data
- Share of land at 15% slope or less: Bolthole Index county data
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
Written September 29, 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.