Zoning › Mississippi › Forrest County › Hattiesburg

Hattiesburg, MS Zoning

Euclidean-zoning. 17 districts · 2 overlays · 3 applicable state preemptions.

Overview

Code type
euclidean
Naming convention
use-type-index

Hattiesburg LDC §4 organizes 14 standard base districts (A-1, A-2, R-1A, R-1B, R-1C, R-2, R-3, B-1, B-2, B-3, B-4, B-5, I-1, I-2) plus a Form-Based District (defined by appendix), and two non-standard 'Special District' types (PMU - Planned Mixed-Use, CD - Corridor District) treated separately from base districts. Two overlay districts exist (FP - Floodplain, HD - Historic Overlay). Dimensional standards (Table 6.1) are the primary regulatory mechanism — lot size, lot width, height (in feet OR stories, whichever less), front/side/rear setbacks, impervious surface coverage, FAR (commercial districts only), buffer requirements. Naming convention is use-type-index/letter-code (R = Residential, B = Business, I = Industrial, A = Agricultural) with numeric suffix indicating intensity rank within category. INVERSE for residential: R-1A is largest single-family lot (10,000 sf), R-1C is smallest (5,000 sf) — opposite of the Dallas R-7.5 pattern, opposite of intuitive lot-size-encoded reading. B-4 (Downtown Business) is the densest commercial district (135 ft, 10 stories, 100% impervious, no FAR cap, no off-street parking required per §7.12.7).

Worth knowing
  • INVERSE single-family lot-size convention: R-1A is the LARGEST single-family lot (10,000 sf), R-1C is the SMALLEST (5,000 sf). Opposite of the Dallas R-7.5 lot-size-encoded pattern and opposite of intuitive intensity-rank reading. Always verify R-1 letter suffix against Table 6.1 §6.1 before assuming lot size.
  • ONLY R-3 uses per-acre density (17 du/ac); all other residential districts (R-1A/B/C, R-2) use a per-lot dwelling cap (1 per lot, or 2 per lot for R-2 duplex). Density calculations must distinguish the two mechanisms.
  • B-4 Downtown Business has the city's tallest by-right height envelope (135 ft / 10 stories), 100% impervious coverage permitted, no FAR cap ('No limit' in Table 6.1), and NO off-street parking required (§7.12.7). It is significantly more permissive than any other district — Hattiesburg's tallest by-right zoning.

+ 10 more in Quirks & notes

Districts

res_sf 3com 3mu 3ag 2ind 2res_th 1res_mf 1off 1cbd 1
CodeNameCategory Min lotHeight CoverageFAR Du/acParking Setbacks F/S/R
A-1General Agriculturalag130,680 sf[4]35 ft[5]0.35[6]—[7]—[8]—25[1] / 15[2] / 25[3]
A-2Agricultural Residentialag43,560 sf[12]35 ft[13]0.5[14]—[15]—[16]—25[9] / 15[10] / 25[11]
R-1ASingle-family Residential (Large Lot)res_sf10,000 sf[20]35 ft[21]0.5[22]—[23]—[24]1[25]30[17] / 10[18] / 25[19]
R-1BSingle-family Residential (Standard Lot)res_sf7,500 sf[29]35 ft[30]0.5[31]—[32]—[33]1[34]25[26] / 10[27] / 25[28]
R-1CSingle-family Residential (Small Lot)res_sf5,000 sf[38]35 ft[39]0.5[40]—[41]—[42]1[43]20[35] / 10[36] / 25[37]
R-2Two-Family Residentialres_th4,000 sf[47]35 ft[48]0.5[49]—[50]—[51]1[52]20[44] / 10[45] / 20[46]
R-3Multi-Family Residentialres_mf7,500 sf[56]35 ft[57]0.5[58]—[59]17[60]1.25[61]20[53] / 5[54] / 20[55]
B-1Professional Businessoff0 sf[65]35 ft[66]0.8[67]0.75[68]—[69]—20[62] / 0[63] / 0[64]
B-2Neighborhood Businesscom4,000 sf[73]35 ft[74]0.8[75]0.75[76]—[77]—0[70] / 0[71] / 0[72]
B-3Community Businesscom—[81]40 ft[82]0.8[83]1[84]—[85]—30[78] / 0[79] / 0[80]
B-4Downtown Businesscbd—[89]135 ft[90]1[91]—[92]—[93]—[94]0[86] / 0[87] / 0[88]
B-5Regional Businesscom—[98]72 ft[99]0.9[100]1.5[101]—[102]—30[95] / 0[96] / 0[97]
I-1Light Industrialind—[106]75 ft[107]0.6[108]0.75[109]—[110]—40[103] / 0[104] / 0[105]
I-2Heavy Industrialind—[114]75 ft[115]0.6[116]0.75[117]—[118]—40[111] / 0[112] / 0[113]
FBDForm-Based Districtmu—[119]—[120]————— / — / —
PMUPlanned Mixed-Use Districtmu—[121]—[122]———[123]—— / — / —
CDCorridor Districtmu—[124]—————— / — / —

Confidence: confirmed partial under review not found

Overlays

FP
Floodplain Overlay District
FP
§4.20.1 (overlay defined in §4) / §9 (substantive standards)

FEMA Special Flood Hazard Area (SFHA) as defined on effective FIRM panels for Hattiesburg/Forrest County and Hattiesburg/Lamar County. Approximately 25% of Hattiesburg lies within the SFHA, dominated by the Leaf River floodplain and tributary creeks (Gordon, Mixon, Burkett, Priest). Overlay area is mapped on the Official Zoning Map per §4.16.

purposePer §4.20.1: 'set of regulations detailed in Section 9 of this Code. All other standards and regulations contained within this Code not superseded by these floodplain requirements shall be in full force and effect for all properties within the overlay as specified in the base district as well as general requirements applicable to all properties within the City.'
substantive_standards_location§9 Environmental Standards (BFE+freeboard, V-zone, substantial improvement thresholds live in §9 not §6)
applies_with_base_districtTrue
membership_in_fema_crsTrue
membership_noteCity participates in FEMA Community Rating System (NFIP) for voluntary floodplain management exceeding NFIP minimums — confirmed via city planning page and per HUD/FEMA CRS roster (Class rating not captured at this retrieval; would require FEMA CRS Coordinator's Manual review).
interaction_priorityWhere FP conflicts with base district, FP standards control per §4.14.4 general overlay rule
HD
Historic Overlay District
HP
§4.20.2

Properties within a designated historic district. HD is administered 'separately from this Code' per §4.20.2 — historic districts are designated by separate ordinance and reflected on the Official Zoning Map. The city has historically recognized multiple historic districts (e.g., Hattiesburg Historic Neighborhood District listed on the National Register of Historic Places in 1980; Hub City Downtown Historic District designated more recently; North Main Historic District) — the LDC itself defines only the umbrella HD overlay framework, with specific sub-district boundaries and design standards established by sub-district ordinance.

purposePer §4.20.2: 'special district that has a specific plan and set of regulations that are administered separately from this Code, except that all standards and regulations not superseded by Historic District requirements shall be in full force and effect for all properties within the overlay as specified in the base district as well as general requirements applicable to all properties within the City.'
administrationAdministered separately from the LDC per §4.20.2 — historic district commission / ordinance governs design review and certificate of appropriateness; LDC base-district standards apply except where superseded.
applies_with_base_districtTrue
uses_governed_by_base_districtPer §5.3.2: 'The Historic District and Floodplain District are overlay districts within which uses allowed shall be governed by the underlying district.'
interaction_priorityWhere HD conflicts with base district, HD standards control per §4.14.4 general overlay rule

State preemptions

Miss. Code Ann. §§17-1-1 through 17-1-39 — Zoning Enabling Actapplies
Qualifying condition
Mississippi is a Dillon's Rule state; municipal zoning authority flows exclusively from §17-1. Hattiesburg as a Mississippi municipality must derive its LDC authority from §17-1. Procedural requirements apply universally: §17-1-7 (15-day published notice before public hearings on adoption/amendment); §17-1-5 (uniform within-district requirement); §17-1-9 (comprehensive plan predicate). Hattiesburg LDC §1.2 'Statutory Authorization' explicitly cites Title 17 Chapter 1 as its enabling authority.
Source
Miss. Code Ann. §17-1-1 et seq.; LDC §1.2 (cross-confirmed enabling-authority citation)
Effect
Procedural floor — affects all Hattiesburg zoning ordinance amendments and adoption. Does not preempt any specific LDC dimensional standard but sets process and uniform-treatment constraints. §17-1-39 specifically protects pre-existing manufactured-home parks as nonconforming uses when zoning is adopted or amended to restrict them.
Miss. Code Ann. §17-1-9 — Comprehensive Plan Requirementapplies
Qualifying condition
§17-1-9 requires every Mississippi municipality to adopt a comprehensive plan (long-range goals/objectives, land-use plan, transportation plan, community-facilities plan) before enacting/amending zoning. Hattiesburg LDC §1.3 explicitly establishes the LDC's relationship to the city's Comprehensive Plan as required by §17-1-9. The current Hattiesburg Comprehensive Plan is referenced throughout the LDC (§4.5 base district purpose statements cite Comprehensive Plan land use categories; §4.19 PMU rezoning eligibility tied to Future Land Use Map designations). Absent a current comprehensive plan, the LDC would be vulnerable to ultra vires challenge per Barnes v. DeSoto Cnty. (1989) and Edwards v. Harrison Cnty. (2009).
Source
Miss. Code Ann. §17-1-9; LDC §1.3 — Relationship to the Comprehensive Plan
Effect
Procedural predicate to valid zoning. Does not preempt any LDC dimensional standard but the LDC is judicially defensible only insofar as it remains tied to a current comprehensive plan.
Miss. Code Ann. §§75-49-1 et seq. — Manufactured Home Installation Law (interaction with §17-1)applies
Qualifying condition
§75-49 governs HUD-Code manufactured home installation standards, titling, and safety; does NOT preempt local zoning authority to confine HUD-Code manufactured homes to specific districts. Per Mississippi Manufactured Housing Assn. v. Bd. of Aldermen of Canton, 870 So.2d 1189 (Miss. 2004), modular/IBC-compliant homes must be treated as site-built for zoning purposes. Hattiesburg LDC Table 5.1 lists 'Dwelling, manufactured (mobile) home' as an enumerated permitted-use class; the LDC retains full discretion over which districts permit it. §17-1-39 separately protects pre-existing MH parks as nonconforming.
Source
Miss. Code Ann. §§75-49-1 et seq.; Miss. Code §17-1-39; MMHA v. Canton (Miss. 2004)
Effect
Modular/IBC homes must be treated as site-built per Mississippi precedent. HUD-Code MH placement governed by Hattiesburg LDC use table — no override of LDC's per-district MH placement decisions.
Non-applicable laws (5)
Miss. Code Ann. §§49-15 / §49-27 — Coastal Wetlands Protection (MDMR jurisdiction)does_not_apply
Qualifying condition
MDMR coastal-wetlands permit jurisdiction is limited to the three coastal counties (Hancock FIPS 28045, Harrison FIPS 28047, Jackson FIPS 28059). Hattiesburg is located in Forrest County (FIPS 28035) and Lamar County (FIPS 28073) — both INLAND counties roughly 75 miles north of the Gulf coast. The Mississippi Coastal Wetlands Protection Law does not apply to Hattiesburg.
Source
Miss. Code Ann. §49-27-1 et seq. jurisdictional scope; Hattiesburg county membership (Forrest 28035, Lamar 28073) per Census Gazetteer Places
Effect
Not applicable — Hattiesburg is inland.
Miss. Code §83-34-1 et seq. — Mississippi Residential Property Insurance Underwriting Association (Wind Pool)does_not_apply
Qualifying condition
MRPIUA wind-pool insurance is mapped south of I-10 and certain coastal-county inland areas. Hattiesburg is approximately 65 miles north of I-10 in Forrest and Lamar Counties, well outside the wind-pool zone. Note: this is an insurance-availability matter, not a zoning preemption, but is captured for completeness because pro-forma cost inputs differ inside vs outside the zone.
Source
Miss. Code §83-34-1 et seq.; MRPIUA territory map; Hattiesburg location ~65 mi N of I-10
Effect
Not applicable — Hattiesburg is outside the Wind Pool zone.
HB 1211 (2024 session) — Short-Term Rental Property Rights Act (failed)does_not_apply
Qualifying condition
HB 1211 died in committee (House Ways & Means) during the 2024 session. Mississippi has NO statewide STR preemption as of 2026-05-22. Hattiesburg LDC retains full local STR zoning authority per §17-1.
Source
zoning/us/mississippi/preemptions.md (2024-session legislative log); billstatus.ls.state.ms.us HB 1211 history
Effect
Not applicable — bill failed; no preemption in force.
SB 2780 (2025 session) — Mississippi Housing Supply Act (failed in House)does_not_apply
Qualifying condition
SB 2780 passed the Mississippi Senate during the 2025 session but died in the House Municipalities Committee. Would have preempted certain local minimum-lot-size rules (5,000 sf floor for designated high-growth municipalities) and barred bans on duplexes/triplexes on lots >=7,500 sf. As of 2026-05-22, no comparable preemption is in force; reintroduction is expected per MS Economic Council Jan 2026 brief but not yet enacted.
Source
zoning/us/mississippi/preemptions.md (2025-session legislative log); billstatus.ls.state.ms.us SB 2780 history
Effect
Not applicable — bill failed; no preemption in force.
HB 1388 (2024 session) — ADU-by-right mandate for municipalities >10,000 (failed)does_not_apply
Qualifying condition
HB 1388 died in committee (House Municipalities) during the 2024 session. Would have required municipalities over 10,000 population to permit ADUs by right on single-family lots. As of 2026-05-22, no statewide ADU mandate is in force. Hattiesburg (pop 48,730 — over the threshold) would have been subject if enacted, but the bill failed.
Source
zoning/us/mississippi/preemptions.md (2024-session legislative log)
Effect
Not applicable — bill failed.

Adopted building codes

Local adoption

IBC
2018
IRC
Varies
NEC
2017
IFC
2018
IECC (Residential)
2018
IECC (Commercial)
ASHRAE 90.1-2010

Click a code label to open its state-by-state adoption atlas.

Amendment history

DateKindCitation
2026-05-22retrieved atWebFetch + pdftotext extraction session
2020-09-08supplement effectiveLDC 'As amended through 09.08.20' — footer on every section of the PDF
2017-02-21adoptionOrd. #3209 adopted by City Council 2017-02-21 — title page of LDC PDF

Quirks & notes

  • INVERSE single-family lot-size convention: R-1A is the LARGEST single-family lot (10,000 sf), R-1C is the SMALLEST (5,000 sf). Opposite of the Dallas R-7.5 lot-size-encoded pattern and opposite of intuitive intensity-rank reading. Always verify R-1 letter suffix against Table 6.1 §6.1 before assuming lot size.
  • ONLY R-3 uses per-acre density (17 du/ac); all other residential districts (R-1A/B/C, R-2) use a per-lot dwelling cap (1 per lot, or 2 per lot for R-2 duplex). Density calculations must distinguish the two mechanisms.
  • B-4 Downtown Business has the city's tallest by-right height envelope (135 ft / 10 stories), 100% impervious coverage permitted, no FAR cap ('No limit' in Table 6.1), and NO off-street parking required (§7.12.7). It is significantly more permissive than any other district — Hattiesburg's tallest by-right zoning.
  • B-1 through B-5 have BOTH minimum and maximum front setbacks (build-to ranges). Most pronounced: B-5 (Min 30 ft / Max 150 ft — unusually wide range). Captured as setback_front_ft + max_setback_front_ft pair.
  • Side setbacks for commercial/industrial districts use a '0 or X' conditional convention — zero-lot-line permitted, otherwise X ft minimum. Captured via the `conditional` field on setback_side_ft.
  • Max height column expresses both feet AND stories (e.g., '35 feet or 3 stories'). Per §6.1 footnote, whichever results in the lesser height controls. Both captured: max_height_ft and max_stories.
  • Only TWO codified overlay districts: FP (Floodplain, §4.20.1) and HD (Historic, §4.20.2). v1 record listed six overlays including HD-1/HD-2/HD-3 sub-districts, an 'Institutional Overlay USM', and a 'Broadway/West Pine Corridor Overlay' — these are NOT codified overlay zones. Specific historic sub-district boundaries (Hattiesburg Historic Neighborhood District, Hub City Downtown Historic District, North Main Historic District) are designated by individual sub-district ordinances under the umbrella HD framework, not as separate LDC overlay zones.
  • Special districts (PMU and CD) are NOT base districts in the traditional Table 5.1 use-table sense — they are 'a type of base district established to implement detailed plans' per §4.14.3, with no permitted uses (PMU per §4.19.1.5(i)) and dimensional standards governed by approved site-specific plans rather than §6.1 Table 6.1.
  • Multi-family parking per Table 7.12: 1.25 spaces per DU. v1 record's '300 sf per space plus circulation' is a stall-GEOMETRY standard from §7.5 design standards, NOT a per-unit ratio. Common v1 fabrication conflation.
  • Form-Based District uses transect/building-type standards in LDC Appendix 1 rather than the §6.1 across-the-board table. Appendix 1 extraction was incomplete via pdftotext at retrieval time; FBD dimensional standards are PARTIAL.
  • Camp Shelby JFTC adjacency to the south of Hattiesburg creates an AICUZ federal-overlay context (mapped to federal_overlay_refs). AICUZ is not codified as a LDC zone — its recommendations are advisory unless adopted by ordinance.
  • Hattiesburg straddles Forrest County (primary, ~95% of population) and Lamar County (~5%). The canonical zoning record lives under Forrest County; LDC governs the city limits regardless of county side.
  • Mississippi has NO statewide zoning-density preemption as of 2026-05-22. Dillon's Rule state; §17-1 grants zoning authority but imposes no density floors, ADU mandates, IZ bans, or design preemption. Recent failed bills (HB 1211 STR 2024, HB 1388 ADU 2024, SB 2780 Housing Supply 2025, HB 1294 Workforce Housing 2025) confirm legislative inaction in this area.

Formulas

Definitions

height
Maximum building height measured in feet OR stories, whichever results in the lesser height — Table 6.1 column 'Max. Height' (§6.1).
lot_coverage
Captured under 'Max. Impervious Surface Lot Coverage' (§6.1 Table 6.1) — building footprint plus all hard surfaces / lot area.
far
Maximum Floor Area Ratio = gross floor area / lot area. Only specified for commercial (B-1 through B-5) and industrial (I-1, I-2) districts; not applied to residential or agricultural districts.
du_ac
Dwellings per acre — only R-3 carries a max density (17 per acre, §6.1). All other residential districts use 1 dwelling per lot (or 2 per lot for R-2 duplex).
impervious_cover
Max impervious surface lot coverage — Table 6.1 (§6.1).
setback_front
Front property line to nearest building face. §6.1 provides both Min Front and Max Front columns for B-1, B-2, B-4, B-5; A through R districts have Min only.
setback_side
Side property line to nearest building face. Some districts express side setback as '0 or X' meaning zero-lot-line permitted or X ft minimum.
setback_rear
Rear property line to nearest building face.
parking
Spaces per dwelling unit (residential) or per 1,000 sf GFA (most non-residential), per Table 7.12 (§7.12). B-4 Downtown Business has no off-street parking requirement per §7.12.7.

Capacity calculations

max_footprint_sf
lot_area_sf * impervious_lot_coverage (caveat: includes hard surfaces beyond building footprint)
max_gfa_sf
lot_area_sf * far (commercial/industrial only)
max_units_r3_from_density
lot_area_sf * 17 / 43560
max_stories_approx
max_height_ft / 12

Massing explorer

Interactive 3D comparison across every district. Drag to orbit, scroll to zoom, use the slider to walk districts, and toggle applicable overlays in the right-side panel.

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Max height
— ft
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Lot coverage
—%
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Setbacks (F / S / R)
— ft
——
Parking
— /unit
——
Max density
— du/ac
——
Min lot size
— sf
——
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District Category Height FAR Coverage Setbacks Parking Density Min lot Overlays

Sources & references

Primary source
Hattiesburg Land Development Code — Ordinance #3209 (Adopted 2017-02-21; last updated 2020-09-08)
September 2020 update (as amended through 09.08.20) · retrieved 2026-05-22

Primary PDF retrieved via WebFetch then parsed with pdftotext -layout. The 6.9 MB Land Development Code PDF hosted on the Downtown Hattiesburg Association site (downtownhattiesburg.com/wp-content/uploads/2025/03/) was the only direct text-extractable copy of Ord. #3209 available. The Municode mirror (library.municode.com/ms/hattiesburg) returned a Cloudflare 403 to scripted access. The official city planning page (hattiesburgms.com/planning/) links to a hosted PDF but the canonical, complete text was obtained from the Downtown Hattiesburg PDF (verified as identical Ord. #3209, 2020-09-08 amendments included). Table 6.1 Dimensional Standards (§6.1) and Table 7.12 Parking Requirements (§7.12) were directly readable in pdftotext-layout output. The §4.2 Base Districts roster (Table 4.2-1) and §4.2 Special/Overlay roster (Table 4.2-2) were extracted verbatim.

Citations
  1. [1] §6.1
  2. [2] §6.1
  3. [3] §6.1
  4. [4] §6.1
  5. [5] §6.1
  6. [6] §6.1
  7. [7] n
  8. [8] n
  9. [9] §6.1
  10. [10] §6.1
  11. [11] §6.1
  12. [12] §6.1
  13. [13] §6.1
  14. [14] §6.1
  15. [15] n
  16. [16] n
  17. [17] §6.1
  18. [18] §6.1
  19. [19] §6.1
  20. [20] §6.1
  21. [21] §6.1
  22. [22] §6.1
  23. [23] n
  24. [24] n
  25. [25] §7.12 Table 7.12
  26. [26] §6.1
  27. [27] §6.1
  28. [28] §6.1
  29. [29] §6.1
  30. [30] §6.1
  31. [31] §6.1
  32. [32] n
  33. [33] n
  34. [34] §7.12 Table 7.12
  35. [35] §6.1
  36. [36] §6.1
  37. [37] §6.1
  38. [38] §6.1
  39. [39] §6.1
  40. [40] §6.1
  41. [41] n
  42. [42] n
  43. [43] §7.12 Table 7.12
  44. [44] §6.1
  45. [45] §6.1
  46. [46] §6.1
  47. [47] §6.1
  48. [48] §6.1
  49. [49] §6.1
  50. [50] n
  51. [51] n
  52. [52] §7.12 Table 7.12
  53. [53] §6.1
  54. [54] §6.1
  55. [55] §6.1
  56. [56] §6.1
  57. [57] §6.1
  58. [58] §6.1
  59. [59] n
  60. [60] §6.1
  61. [61] §7.12 Table 7.12
  62. [62] §6.1
  63. [63] §6.1
  64. [64] §6.1
  65. [65] §6.1
  66. [66] §6.1
  67. [67] §6.1
  68. [68] §6.1
  69. [69] n
  70. [70] §6.1
  71. [71] §6.1
  72. [72] §6.1
  73. [73] §6.1
  74. [74] §6.1
  75. [75] §6.1
  76. [76] §6.1
  77. [77] n
  78. [78] §6.1
  79. [79] §6.1
  80. [80] §6.1
  81. [81] §6.1
  82. [82] §6.1
  83. [83] §6.1
  84. [84] §6.1
  85. [85] n
  86. [86] §6.1
  87. [87] §6.1
  88. [88] §6.1
  89. [89] §6.1
  90. [90] §6.1
  91. [91] §6.1
  92. [92] n
  93. [93] n
  94. [94] §7.12.7
  95. [95] §6.1
  96. [96] §6.1
  97. [97] §6.1
  98. [98] §6.1
  99. [99] §6.1
  100. [100] §6.1
  101. [101] §6.1
  102. [102] n
  103. [103] §6.1
  104. [104] §6.1
  105. [105] §6.1
  106. [106] §6.1
  107. [107] §6.1
  108. [108] §6.1
  109. [109] §6.1
  110. [110] n
  111. [111] §6.1
  112. [112] §6.1
  113. [113] §6.1
  114. [114] §6.1
  115. [115] §6.1
  116. [116] §6.1
  117. [117] §6.1
  118. [118] n
  119. [119] §4.5.15
  120. [120] §4.5.15
  121. [121] n§4.19.1
  122. [122] n§4.19.1
  123. [123] n§4.19.1
  124. [124] n§4.6 / §4.14.3

Research status

Publication gates

primary url presentpassedsource.primary_url = https://downtownhattiesburg.com/wp-content/uploads/2025/03/Land-Development-Code-September-2020.pdf — non-aggregator, https, hosts the canonical Ord. #3209 PDF (as amended through 2020-09-08). Fallback Municode mirror also non-aggregator.
no aggregator citedpassedScan clean — all citations point to Hattiesburg LDC §-citations (§4, §5, §6, §7, §9 sections of Ord. #3209), Miss. Code Ann. §17-1 / §75-49 / §49-15 / §49-27 / §83-34 sections, FEMA, Census, and Mississippi case law. No Zoneomics, Steadily, SitePlanGuide, SitePlanCreator, Propwire, Zonara, or Unzoned citations anywhere in record.
confidence tags full formpassedAll confirmed numeric standards carry c§6.1 (or c§7.12 for parking) citation form. NA/not-applicable values carry 'n' or 'na§' codes with paired reason. Partial values carry p§ codes with paired what_is_confirmed / what_is_missing. ~50 confirmed-with-citation field values verified across 14 standard base districts + Form-Based District + 2 special districts + 2 overlays.
overlays have parameters trigger confidencepassedBoth LDC-codified overlays (FP §4.20.1, HD §4.20.2) carry non-empty params{}, explicit trigger, ordinance citation, base_interaction, and confidence code c§4.20.X. Specific historic-district sub-zones (HHND, Hub City Downtown, North Main) are captured in quirks rather than as separate overlay objects because they are designated by individual sub-district ordinances under the umbrella HD framework, not as separately codified overlay zones — matches LDC structure per §4.20.2.
preempt section city specificpassedstate_preemptions_applicable[] contains 8 MS-specific entries: §17-1 Enabling Act (applies, procedural floor), §17-1-9 Comp Plan Predicate (applies, procedural), §75-49 MH installation (applies, modular treatment), §49-15/§49-27 Coastal Wetlands (does_not_apply — Hattiesburg is inland in Forrest+Lamar Counties), §83-34 Wind Pool (does_not_apply — ~65 mi N of I-10), HB 1211 STR 2024 (does_not_apply, failed), SB 2780 Housing Supply 2025 (does_not_apply, failed), HB 1388 ADU 2024 (does_not_apply, failed). Each carries Hattiesburg-specific qualifying_condition_checked narrative tied to primary MS Code citations and county-FIPS facts. MS is documented as a low-activity-level Dillon's-Rule state in preemptions.md; the 3 enacted entries cover the in-force substantive surface.

Data quality

70%completeness50 confirmed4 partial
Documented gaps
  • Form-Based District (FBD) Appendix 1 dimensional and use standards — incomplete pdftotext extraction of the FBD appendix; per-transect/per-building-type tables pending direct retrieval.
  • PMU and CD Special District standards — these are site-plan-specific per §4.19 / §4.14.3 rather than enumerated in §6.1 Table 6.1; standards do not exist in tabular form.
  • HD Historic Overlay sub-district boundaries and design guidelines — Hattiesburg Historic Neighborhood District (NRHP 1980), Hub City Downtown Historic District, North Main Historic District are governed by separate sub-district ordinances not captured at this retrieval.
  • Use Table 5.1 — full enumeration of permitted/conditional/prohibited uses per district was not transcribed (~150 use categories x 14 districts in the source table); only parking ratios were extracted from §7.12 Table 7.12.

Known issues

data:gaps-present

Verification

last_verified_at2026-05-22T00:00:00Z
verifier_specialist09-verification-pass
verifier_version1.0
verification_resultpassed
atomic_claims_checked64
atomic_claims_passed60
atomic_claims_partial4
atomic_claims_failed0
partial_claimsForm-Based District dimensional standards — LDC Appendix 1 tables not fully extracted via pdftotext at retrieval; standards exist but per-transect/per-building-type values pending direct appendix retrieval.; PMU subtype-specific dimensional standards — PMU-NB / PMU-GB / PMU-PD standards are site-plan-specific per §4.19.1.5(viii); no enumerated table exists in the LDC.; CD Corridor District — no adopted corridor plan ordinance confirmed at retrieval; CD remains a framework awaiting plan-specific designation.; HD Historic Overlay sub-district boundaries — Hattiesburg Historic Neighborhood District (NRHP 1980), Hub City Downtown Historic District (recent), North Main Historic District are designated by individual sub-district ordinances; the LDC umbrella overlay (§4.20.2) does not enumerate them, and individual sub-district ordinance retrieval was not completed at this pass.
narrative_refnarratives/hattiesburg-ms/fleet-20260522T230000-hattiesburg-ms.json

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