Marshall County, Mississippi requires building permits for structures and inspections during construction under the 2018 International Building Code1,2. Countywide zoning controls uses, lot sizes, setbacks and building height by district, while incorporated municipalities may have separate rules3. Onsite wastewater approval comes through the Mississippi State Department of Health4.
Do you need a building permit in Marshall County, Mississippi?
Yes.
Yes. Marshall County's Building Department issues building permits for structures, enforces the 2018 International Building Code and conducts inspections during construction1,2. The county page specifically says permits are generally required for storage buildings and are required to enclose an existing covered patio2. Applications come through the Zoning, Planning & Building Department, an appointment is required before plan review, and some developments also need site-plan review2,3. The permit holder must schedule required inspections before work is covered or concealed, and changes to reviewed construction documents need county approval before the changed work begins2. Marshall County's current building-permit fees could not be confirmed, so ask the department for the fee and payment requirements for the proposed work.
Who handles Marshall County building permits and inspections?
The Marshall County Zoning, Planning & Building Department handles county building permits, inspections, zoning administration and land-development standards.
The Marshall County Zoning, Planning & Building Department handles county building permits, inspections, zoning administration and land-development standards2. Call 662-252-3663, email ezoning@marshallcoms.org or visit 545 JM Ash Drive, Holly Springs, MS 386352. Bring the property owner's name or parcel number when asking how the land is zoned2. An owner-occupant may obtain a permit for work on the owner's property, but licensed Mississippi contractors with current registration numbers must perform electrical, plumbing and mechanical work, and all work must follow county-adopted codes2. Ask which application forms, plans, site-plan review and inspections apply to the project; the county publishes only part of the process, and its certificate-of-occupancy requirement could not be confirmed2.
Does Marshall County, Mississippi have zoning?
Yes.
Yes. Marshall County's 2025 ordinance establishes countywide zoning districts and an official zoning map, while incorporated municipalities may have separate local rules3. The county zoning chart varies lot size, front, side and rear setbacks, and maximum building height by district3. Where no dedicated road right-of-way exists, the front-setback measurement starts 25 feet from the road centerline3. Do not assume agricultural acreage allows every residential use: give the Zoning, Planning & Building Department the owner's name or parcel number and confirm the mapped district2,3. Manufactured homes are permitted residential uses in at least some districts, but the parcel's zoning, wastewater approval, permits and inspections still control2. Maximum lot coverage is 25% in the A, A-R, R-E and R-1 districts and 35% in R-23. The zoning ordinance defines a dwelling as having at least 800 square feet of heated area, and separately requires a dwelling unit to have at least 300 square feet of habitable living space3. Marshall County's reviewed rules do not include a specific tiny-home occupancy rule, so ask how the exact unit will be classified.
How do septic permits work in Marshall County?
The Mississippi State Department of Health On-Site Wastewater program handles onsite wastewater in Marshall County, with local inspections coordinated through the appropriate county health department.
The Mississippi State Department of Health On-Site Wastewater program handles onsite wastewater in Marshall County, with local inspections coordinated through the appropriate county health department4,7. Apply through the MSDH wastewater portal; the program requires the application, payment and necessary documents before scheduling a property visit5. For help, call 855-220-0192 or email wastewater@msdh.ms.gov; the Marshall County Health Department is at 225 South Market in Holly Springs and lists 662-252-46215,6. Only 4.2% of county soils are rated without severe limits for a conventional septic drain field, so make wastewater feasibility a purchase contingency when possible8. The certified installer must notify the Department at least 24 hours before construction and schedule an inspection, and must not cover the system until it is authorized after inspection9. Where centralized sewer is unavailable, Marshall County requires at least 1.5 acres for each structure needing wastewater treatment, along with an approved onsite facility3.
Can you live in an RV or tiny home on land in Marshall County?
Marshall County does not allow an RV as a permanent residence: travel trailers and RVs must be parked at the back of a residence and appropriately tagged.
Marshall County does not allow an RV as a permanent residence: travel trailers and RVs must be parked at the back of a residence and appropriately tagged3. Temporary occupancy requires a special exception, is limited to 6 months, and is available only while building a home or for a verified medical or financial hardship; an approved septic system must be on the property for hookup3. Ask the Zoning, Planning & Building Department about the parcel, duration and utility connections before placing an RV2. Marshall County's reviewed rules do not establish a specific tiny-home occupancy category, and a tiny home may fall short of the ordinance's 800-square-foot dwelling definition, so ask how the exact unit will be classified2,3. A tiny home still needs a parcel-specific zoning and building review because the county regulates uses, setbacks, lot sizes and building height by district3. A pre-manufactured storage building or shed cannot be used as a residence because it does not meet the county's adopted residential building-code requirements2. Manufactured homes are allowed in at least some residential districts, but applicants must confirm the specific property's zoning and satisfy applicable permits, wastewater approval and inspections2.
Building a home in Marshall County: the steps, in order
Give the Zoning, Planning & Building Department the owner's name or parcel number; confirm the mapped district, proposed use, lot size, setbacks, height limit and required site plan.
- Give the Zoning, Planning & Building Department the owner's name or parcel number; confirm the mapped district, proposed use, lot size, setbacks, height limit and required site plan2,3.
- Confirm wastewater feasibility early: land without centralized sewer generally needs at least 1.5 acres for each structure requiring treatment3.
- Apply to the Mississippi State Department of Health for onsite wastewater review when the parcel will use septic4,5.
- Make the required plan-review appointment and submit county permit forms; use licensed trades even when acting as an owner-builder2.
- Obtain County Road Manager approval for a driveway and culvert on a county road, or an MDOT permit for access to a state highway3,10.
- Schedule inspections before concealing work and obtain approval for plan changes before building them2.
- Ask what final drainage, inspection or occupancy documentation applies; drainage approval is required for occupancy, but a complete certificate-of-occupancy rule could not be confirmed3.
What should you check before buying land in Marshall County?
Check zoning, sewage, access and flood exposure before treating a tract as buildable.
Check zoning, sewage, access and flood exposure before treating a tract as buildable. The Zoning, Planning & Building Department can look up the mapped district from the owner's name or parcel number2,3. Only 4.2% of Marshall County soils are rated without severe limits for a conventional septic drain field, and land without centralized sewer generally needs at least 1.5 acres per structure requiring wastewater treatment3,8. Structures in the Floodplain Overlay District remain subject to their base zoning and must comply with the county floodplain ordinance and applicable FEMA maps3. County-road driveways and culverts need County Road Manager approval, while access to a state highway needs an MDOT permit3,10. We could not confirm the private-well permit rule, so ask the Health Department what applies to the proposed well. About 71.3% of the county is wooded, so inspect the actual tract for clearing and drainage costs8. The typical effective property-tax rate is about 0.7%, with a median annual bill near $1,2868.
Watch-outs
- Marshall County bars permanent RV residence; temporary RV occupancy needs a special exception, lasts up to 6 months and is limited to building a home or a verified hardship3.
- Do not assume a shed can become a cabin: Marshall County says pre-manufactured storage buildings do not meet its residential building-code requirements2.
- Conventional septic suitability is a major parcel risk because only 4.2% of county soils are rated without severe drain-field limitations8.
- A county-road driveway needs County Road Manager approval and an approved culvert before construction3.
- The zoning ordinance defines a dwelling as having at least 800 square feet of heated area, so a small tiny home may not qualify as a dwelling; confirm with the Zoning, Planning & Building Department2,3.
Sources
10 official pages, each quoted and re-checked · written October 9, 2026
- Marshall County - Zoning, Planning & Building Department (2026 county census)
- Zoning, Planning, & Building Department
- Zoning, Planning, & Building Department
- On-Site Wastewater - Mississippi State Department of Health
- Mississippi State Department of Health Division of On-Site Wastewater (apps.msdh.ms.gov)
- Marshall County Health Department (msdh.ms.gov)
- Mississippi State Department of Health Current Regulations: On-site Wastewater (Mississippi statewide rule)
- 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
- msdh.ms.gov
- Mississippi Access Management Guide (Mississippi statewide rule)
Written October 9, 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.
Off-grid gear
Going off-grid in Marshall County means bringing your own water and power. The kit we’d start with:
- Water Crystal Quest Filter any source — well, rain, or creek — to drinking-clean.
- Power Bluetti Solar generators and home battery backup for living off the grid.
- Septic Soil percolation test kit Run your own perc test before paying an engineer — the first thing a septic office asks about.
- Water Well water test kit Bacteria, nitrates, hardness — know what the well on a parcel is really pumping.
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