Mississippi
Buying Land in Lamar County, Mississippi
County seat Purvis, with West Hattiesburg -- part of the fast-growing Hattiesburg metro -- as the county's largest community. Unlike most rural Mississippi counties, Lamar County has adopted, and actively maintains, a genuinely detailed countywide zoning ordinance. Here's the specifics, plus the growth pressure radiating out from Hattiesburg that helped drive it.
A detailed, actively maintained countywide zoning ordinance -- confirmed
Mississippi's state-level framework is explicit that most counties never adopt zoning under the state's optional Title 17 authority -- but Lamar County is one of the exceptions the state page names directly, alongside Hinds County. This research pass confirmed and specified that citation. Lamar County's Board of Supervisors did not adopt its zoning ordinance under the general county authority alone; it worked from specific state legislative authorization, Mississippi State Legislature House Bill 1661, and voted to adopt the resulting Lamar County Zoning Ordinance on November 19, 2009, with an effective date of January 1, 2010. The ordinance has been revised since then -- a November 2022 final version is the most recent this pass located -- meaning this is an active, maintained regulatory document, not a one-time adoption left untouched for over a decade.
Administration runs through a dedicated county Planning Commission -- a five-member board plus one alternate appointed by the Board of Supervisors, meeting on the second Tuesday of every month to hear petitions on land-use matters within the zoned area. For a buyer, that means Lamar County works more like a suburban or urban county on the zoning question than like the typical rural Mississippi county described on the state page: get the current zoning map and the specific district's permitted uses from the county's Planning Department before assuming anything about what a parcel can be used for, and don't rely on an older printed or downloaded copy of the ordinance given the 2022 revision.
Growth pressure from the Hattiesburg metro is a real driver here
Lamar County, founded in 1904, sits immediately adjacent to Forrest County and the city of Hattiesburg, and West Hattiesburg -- effectively a westward extension of the Hattiesburg metro area into Lamar County -- is the county's largest community, larger than the county seat of Purvis itself. That geography is central to understanding why Lamar County pursued detailed zoning authority in the first place: unlike a county with a stable rural population, Lamar has faced genuine, sustained suburban growth pressure spilling over from Hattiesburg, the kind of pressure that pushes county governments toward the more urban tool of zoning rather than leaving land use to deed restrictions alone.
For a land buyer, this means Lamar County's character genuinely varies by location within the county: land near West Hattiesburg and the Highway 98/Highway 589 corridors tends to see more suburban-style development pressure and correspondingly tighter zoning enforcement, while the county's more rural areas away from the Hattiesburg-adjacent zone will still be subject to the same countywide ordinance but may currently carry more agricultural or low-density residential zoning designations. Confirm the specific zoning district for your parcel's exact location -- "Lamar County" alone doesn't tell you which.
Subdivision regulations, septic, and what to verify
Lamar County maintains a separate set of subdivision regulations, distinct from the zoning ordinance itself, that apply to any subdivision of land within the unincorporated county. Anyone planning to split a larger purchase into multiple lots -- whether for family transfers, resale, or a small development -- needs to review both documents together, since the zoning ordinance alone won't cover subdivision-specific requirements like plat approval, road standards, or minimum frontage for newly created lots.
Septic permitting follows Mississippi's statewide MSDH framework, and this research pass did not find Lamar County-specific minimum-lot-size figures for septic systems that could be reported with confidence -- confirm current requirements directly with the county or the local health department serving Lamar County rather than assuming a specific number. Given the county's genuine growth trajectory, it's also worth checking whether utility service (public water/sewer) reaches a specific parcel near West Hattiesburg, since areas closer to the Hattiesburg metro are more likely to have that option than the county's more rural interior.
Who to Call Before Buying Land in Lamar County
Direct WebFetch to lamarcountyms.gov was not attempted in this research pass; findings rely on WebSearch-indexed content, including the county's own published zoning-ordinance and subdivision-regulation PDF titles and URLs. Confirm the current ordinance version, specific zoning district, and fees directly before relying on this page.
Planning & Zoning
Lamar County Planning Department / Planning Commission
Current zoning district lookups, the 2022-revised zoning ordinance, subdivision regulations, and building permits.
Other
Lamar County Board of Supervisors
Zoning ordinance amendments and general county governance questions.
Septic / Onsite Wastewater
Lamar County Health Department
Septic site evaluations and permits under the statewide MSDH On-Site Wastewater program.
Recorder / Clerk / Land Records
Lamar County Chancery Clerk
Recorded deeds, easements, and plats.
Want to know if this specific parcel actually works?
Tell us what you're looking at and we'll connect you with a local land specialist who can help you sanity-check it before you go further.
Get local guidanceSources
- ZONING ORDINANCE OF LAMAR COUNTY, MISSISSIPPI (Nov. 2022 final) — Lamar County, Mississippi (accessed 2026-09)
- Zoning Ordinance | Overview | Lamar County Mississippi — Lamar County, Mississippi (accessed 2026-09)
- Land Use Zoning | Lamar County Mississippi — Lamar County, Mississippi (accessed 2026-09)
- Subdivision Regulations for: Lamar County, Mississippi — Lamar County, Mississippi (accessed 2026-09)
- Lamar County, Mississippi — Wikipedia (accessed 2026-09)
- On-Site Wastewater - Mississippi State Department of Health — Mississippi State Department of Health (accessed 2026-09)
Last reviewed 2026-09