Mobile, AL Zoning

Euclidean-zoning. 21 districts · 9 overlays · 7 applicable state preemptions.

Overview

Code type
euclidean
Naming convention
letter-code

Mobile's UDC uses letter-code district names with no dimensional meaning encoded (R-A, R-1 through R-3, R-B, H-B, B-1, T-B, LB-2, B-2 through B-5, CW, MM, ML, MH, I-1, I-2, PD). The Downtown Development District (Appendix A) is a transect-based form code (T-3 through T-6, SD-WH, SD) applied only to the historic downtown area — a hybrid: euclidean base + downtown transect. Sub-districts (Urban / Suburban / Conservation) apply different dimensional standards within the same base district. Active area-plan overlays: Africatown (Art. 11), Peninsula (Art. 12), Spring Hill (Art. 13), Historic District (Art. 14), Historic Avenue (Art. 15, amended June 2025).

Worth knowing
  • mobile-udc-subdistricts: Mobile's UDC uses Urban/Suburban/Conservation sub-districts within R-1, R-2, R-3, B-1, LB-2, B-2, B-3 districts. Each sub-district has distinct dimensional standards. Sub-district designation is shown on the Zoning Map. Records must specify sub-district for accurate dimensional lookup — this profile presents both sub-district values where they differ.
  • mobile-udc-ddd-separate-code: The Downtown Development District (DDD) operates under Appendix A as an entirely separate transect code. Article 3 development standards (landscaping, parking, lighting, buffers) do NOT apply in the DDD per Sec. 64-3-1.A.b. The parking exemption zone within the DDD (Beauregard/Mobile River/Eslava/Water) is also excluded from Article 3 parking per §64-3-12.A.1.c.
  • mobile-udc-springhill-article3-exclusion: Spring Hill Overlay (Article 13) properties are excluded from Article 3 development standards per Sec. 64-3-1.A.a. Article 13 governs instead.

+ 2 more in Quirks & notes

Districts

com 8spec 5res_sf 3ind 3res_mf 2
CodeNameCategory Min lotHeight CoverageFAR Du/acParking Setbacks F/S/R
R-AResidential Agricultureres_sf43,560 sf[4]35 ft[5]0.35[6][7]1[8]2[9]25[1] / 10[2] / 10[3]
R-1Single-Family Residentialres_sf[{'variant': 'Urban', 'value': 6000}, {'variant': 'Suburban', 'value': 7200}] sf[13]35 ft[14][{'variant': 'v1', 'value': 50}, {'variant': 'v2', 'value': 35}, {'variant': 'v3', 'value': 75}][15][16][{'variant': 'v1'}, {'variant': 'v2'}, {'variant': 'v3', 'value': 6}][17]2[18][{'variant': 'v1', 'value': 5}, {'variant': 'v2', 'value': 25}, {'variant': 'v3', 'value': 5}][10] / 5[11] / [{'variant': 'v1', 'value': 5}, {'variant': 'v2', 'value': 8}, {'variant': 'v3', 'value': 5}][12]
R-2Two-Family Residentialres_sf[{'variant': 'Urban', 'value': 4000}, {'variant': 'Suburban', 'value': 8000}] sf[22]35 ft[23][{'variant': 'v1', 'value': 50}, {'variant': 'v2', 'value': 40}][24][25][{'variant': 'v1', 'value': 20}, {'variant': 'v2', 'value': 10}][26]1.5[27][{'variant': 'v1', 'value': 5}, {'variant': 'v2', 'value': 25}][19] / 5[20] / [{'variant': 'v1', 'value': 5}, {'variant': 'v2', 'value': 8}][21]
R-3Multi-Family Residentialres_mf[{'variant': 'Urban', 'value': 4000}, {'variant': 'Suburban', 'value': 10000}] sf[31][{'variant': 'v1', 'value': 45}, {'variant': 'v2', 'value': 50}] ft[32][{'variant': 'v1', 'value': 50}, {'variant': 'v2', 'value': 45}][33][34][{'variant': 'v1', 'value': 30}, {'variant': 'v2', 'value': 25}][35]1.5[36][{'variant': 'v1', 'value': 10}, {'variant': 'v2', 'value': 25}][28] / [{'variant': 'v1', 'value': 5}, {'variant': 'v2', 'value': 10}][29] / [{'variant': 'v1', 'value': 5}, {'variant': 'v2', 'value': 10}][30]
R-BResidential Businessres_mf4,000 sf[40]45 ft[41]0.75[42][43]10[44]1.5[45]5[37] / 0[38] / 0[39]
H-BHistoric Businesscom[49]45 ft[50]0.5[51][52]25[53]1[54]5[46] / 5[47] / 0[48]
B-1Buffer Businesscom[{'variant': 'Urban', 'value': 4000}, {'variant': 'Suburban', 'value': 7200}] sf[58]45 ft[59]0.45[60][61]25[62]1[63][{'variant': 'v1', 'value': 10}, {'variant': 'v2', 'value': 25}][55] / 5[56] / 5[57]
T-BTransitional Businesscom4,000 sf[67]45 ft[68]0.5[69][70]10[71]10[64] / [65] / [66]
LB-2Limited Neighborhood Businesscom[{'variant': 'Urban', 'value': 4000}, {'variant': 'Suburban', 'value': 7200}] sf[75]45 ft[76]0.5[77][78]25[79]1[80][{'variant': 'v1', 'value': 10}, {'variant': 'v2', 'value': 25}][72] / 0[73] / 0[74]
B-2Neighborhood Businesscom[{'variant': 'Urban', 'value': 4000}, {'variant': 'Suburban', 'value': 7200}] sf[84]45 ft[85]0.5[86][87]25[88]1[89][{'variant': 'v1', 'value': 10}, {'variant': 'v2', 'value': 25}][81] / 0[82] / 0[83]
B-3Community Businesscom[{'variant': 'Urban', 'value': 4000}, {'variant': 'Suburban', 'value': 7200}] sf[93]45 ft[94]0.5[95][96]25[97]1[98][{'variant': 'v1', 'value': 10}, {'variant': 'v2', 'value': 25}][90] / 0[91] / 0[92]
B-4General Businesscom[102]100 ft[103]0.95[104][105]200[106]1[107]0[99] / 0[100] / 0[101]
B-5Office Distributioncom7,200 sf[111]45 ft[112]0.5[113][114]0[115]1[116]25[108] / 0[109] / 0[110]
CWCommercial Warehouseind7,000 sf[120]45 ft[121]0.6[122][123][124]1[125]15[117] / 0[118] / 0[119]
MMMaritime Mixedspec[129]45 ft[130]0.75[131][132]30[133]1[134]12[126] / [127] / [128]
MLMaritime Lightspec[138]100 ft[139]0.75[140][141][142]1[143]12[135] / [136] / [137]
MHMaritime Heavyspec[147]200 ft[148]0.75[149][150][151]1[152]12[144] / [145] / [146]
I-1Light Industryind[156]45 ft[157]0.75[158][159][160]1[161]25[153] / [154] / [155]
I-2Heavy Industryind[165]100 ft[166]0.75[167][168][169]1[170]25[162] / [163] / [164]
PDPlanned Developmentspec[171][172][173] / /
DDDDowntown Development Districtspec[174][175] / /

Confidence: confirmed partial under review not found

Overlays

HDO
Historic District Overlay
HP
UDC Article 14, Sec. 64-14-1

Locally designated Historic Districts as shown on official Zoning Map. Applies only to dimensional standards, not permitted uses or development standards (trees, landscaping, parking, buffers).

lot_coverage_max_pct50% (except R-B and B-1). Where adjacent buildings exceed 50%, coverage requirement increases to average of adjacent lots.
height_maxNo higher than the highest building on same side of street within 150 ft of both sides of proposed site (except B-4, ML, MH, I-1, I-2).
front_yardFront yard must match setback of structures on same side of street within 150 ft of both sides.
side_yard_minAt least the side yards of structures on same side of street within 150 ft. Corner lot: not less than side yard of other corner lots at same intersection.
rear_yard_minAt least the rear yards of structures on same side of street within 150 ft. Additions may align with existing building.
ATO
Africatown Overlay
COR
UDC Article 11, Sec. 64-11-1; amended June 7, 2022

Properties within the Africatown Overlay boundaries as depicted on the official Zoning Map (Africatown community, north Mobile).

dimensional_standardsSame as base zoning district (Article 2). Overlay does not modify base dimensional standards.
commercial_sidewalk_min_width_ft5
street_trees_requiredTrue
cpted_principles_requiredAll new structures and subdivisions must incorporate Crime Prevention Through Environmental Design (CPTED) principles.
overlay_supersedes_base_on_conflictTrue
PO
Peninsula Overlay
ENV
UDC Article 12, Sec. 64-12-1

Properties within the Peninsula Overlay boundaries as depicted on the official Zoning Map (coastal peninsula area of Mobile).

dimensional_standardsSame as base zoning district (Article 2). Overlay does not modify base dimensional standards.
commercial_sidewalk_min_width_ft5
street_trees_requiredTrue
lid_technique_requiredAt least one Low Impact Development (LID) technique required for all development (bioretention, water quality swale, rain garden, permeable pavement, cistern, green roof, or tree box filter per LID Handbook for AL/ADEM).
open_civic_space_impervious_minimizedTrue
overlay_supersedes_base_on_conflictTrue
SHO
Village of Spring Hill Overlay
COR
UDC Article 13, Sec. 64-13-1

Properties within the Spring Hill Overlay boundaries as depicted on the official Zoning Map. Note: Article 3 Development Standards do NOT apply to properties in the Spring Hill Overlay (Sec. 64-3-1.A.a).

dimensional_standardsOverlay provides its own standards for the Spring Hill community; Article 3 baseline standards excluded.
noteFull extraction of Spring Hill-specific dimensional standards requires Article 13 specialist review.
status_noteArticle 3 (June 2025) expressly carves out Spring Hill — Article 13 is the controlling standard for all Spring Hill properties.
HAO
Historic Avenue Overlay
HP
UDC Article 15, Sec. 64-15-1; amended June 17, 2025 (City Council #64-030-2025)

Residential properties within the Historic Avenue Overlay — bounded by Spring Hill Ave/North Broad St corridor generally between North Broad Street and Three Mile Creek to the north, down to Beauregard Street. Boundaries described by metes and bounds in §64-15-1.A.1.a.

applies_toResidential properties only
lots_of_record_by_rightLots of Record (recorded in Mobile County Probate Court prior to annexation date or March 8, 1962) may develop Single-Family, Duplexes, Triplexes, ADUs, Cottage Courts, and Townhomes by Right.
rezoning_to_r3_discouragedTrue
overlay_supersedes_base_on_conflictTrue
amendedJune 17, 2025
DDD
Downtown Development District (Appendix A — Transect Code)
DT
UDC Appendix A; amended May 17, 2022

Properties within the Downtown Development District boundaries as depicted on Zoning Map. Article 3 Development Standards do NOT apply to DDD (Sec. 64-3-1.A.b).

sub_districtsT-3; T-4; T-5.1; T-5.2; T-6; SD-WH; SD
transect_intensityT-3=low; T-4=low mixed-use; T-5.1=medium mixed-use; T-5.2=medium mixed-use; T-6=high intensity
parking_exemptionArea bounded by Beauregard/Mobile River/Eslava/Water Street exempt from Article 3 parking requirements per §64-3-12.A.1.c.
administrationGoverned entirely by Appendix A; uses, building specs, signs, nonconformities all under Appendix A Sections 1-12.
FP
Floodplain Overlay (NFIP)
FP
Mobile Code Ch. 17 Stormwater Management and Flood Control; UDC references Ch. 17 throughout

Properties in FEMA Special Flood Hazard Areas (SFHA) on adopted Mobile FIRMs. Mobile is within Mobile County, which has extensive coastal and riverine flood hazard mapping. Mobile Bay, Mobile-Tensaw Delta, and Three Mile Creek/Dog River watersheds are mapped SFHAs.

nfip_participantTrue
local_flood_codeChapter 17 of Mobile City Code (Stormwater Management and Flood Control)
state_coordinationAlabama Office of Water Resources (ADECA) is state NFIP coordinator
freeboardLocal freeboard requirement not confirmed from Article 14; Ch. 17 must be consulted for BFE-plus requirements.
federal_overlay44 CFR §60.3 NFIP minimum standards apply
AHZ
Airport Hazard Zone (MOB/BFM)
AP
Ala. Code §§4-6-1 through 4-6-15 (Airport Zoning); Federal FAA Part 77 (14 CFR Part 77)

Properties within FAA Part 77 imaginary surfaces of Mobile Regional Airport (MOB) and/or Brookley Aeroplex (BFM / Coast Guard Air Station Mobile).

airportsMobile Regional Airport (MOB); Brookley Aeroplex / CGAS Mobile (BFM)
height_capStructure heights capped at FAA Part 77 imaginary surfaces in approach/clearance zones per Ala. Code §4-6-8.
permit_requiredAirport hazard permit may be required before new construction or substantial alteration within regulated airport hazard area per §4-6-8.
federal_overlayFAA Part 77 (14 CFR Part 77) imaginary surfaces apply; state §4-6-8 mirrors federal permit requirement.
ACAMP
ACAMP Coastal Area Overlay
ENV
Ala. Code §§9-7-10 through 9-7-22; ADEM Ch. 335-8

Properties in Mobile County coastal area (lands seaward of the continuous 10-ft topographic contour to the 3-nautical-mile offshore limit). Mobile is explicitly within ACAMP jurisdiction.

coastal_permit_requiredCoastal development activities (seawalls, bulkheads, jetties, groins, dredge/fill, shoreline stabilization) require ADCNR Coastal Section and/or ADEM Coastal Program permit independent of local zoning.
federal_czma_consistencyFederal CZMA §307 consistency review may apply to federal actions in the coastal zone.
no_coastal_construction_setbackAlabama has no statewide coastal-construction setback (unlike FL CCCL or NC CAMA). ACAMP regulates activities, not setbacks.

State preemptions

AL-11-52-75.1 (group home zoning)applies
Qualifying condition
Mobile's UDC establishes multi-family districts: R-3 (Urban and Suburban, up to 30 du/ac Urban), R-B (Residential Business, mixed residential/commercial up to 10 du/ac), and mixed-use overlays within the DDD (T-3 through T-6). Per Ala. Code §11-52-75.1, group homes serving ≤10 unrelated persons with intellectual disabilities or mental illness must be permitted in multi-family districts statewide, subject to 1,000-ft lot-line spacing. Mobile population 203,416 (2024). Threshold: all AL municipalities with MF districts. Applies.
Source
Ala. Code §11-52-75.1; UDC Sec. 64-2-7 (R-3); Alabama-demographics.com 2024 population estimate
Effect
Group homes ≤10 unrelated persons (ID/MI) must be permitted by right in R-3 and MF-permitting zones; 1,000-ft lot-line separation is a state floor that local ordinance cannot waive.
AL-HB281-2025 (Act 2025-331 — BZA appeal procedure)applies
Qualifying condition
Procedural preemption applying to all Alabama municipalities. Mobile BZA appeals filed after June 1, 2025 follow the new 30-day window, de novo circuit court review, no automatic stay. Universal application — no population threshold or opt-in required.
Source
Ala. Code §11-52-81 as amended by HB 281 (2025RS), Act 2025-331
Effect
30-day appeal window from BZA decision; de novo review in circuit court; no automatic stay on issuance of permit pending appeal.
AL-ACAMP (Alabama Coastal Area Management Program)applies
Qualifying condition
Mobile is in Mobile County — one of only two Alabama counties (Mobile + Baldwin) within the ACAMP jurisdiction (Ala. Code §§9-7-10 through 9-7-22). Coastal development activities within the ACAMP area require independent ADCNR/ADEM Coastal Section permits in addition to local zoning approval. ACAMP does not preempt local zoning dimensional standards but adds a concurrent permitting requirement for regulated coastal activities.
Source
Ala. Code §9-7-10; zoning/us/alabama/overlays.json (AL_ACAMP_COASTAL_9_7_10)
Effect
Seawalls, bulkheads, jetties, groins, dredge/fill, and shoreline stabilization require ADEM/ADCNR Coastal Section permit. CZMA §307 federal consistency review may apply to federal actions.
AL-FLOOD (NFIP/ADEM floodplain)applies
Qualifying condition
Mobile participates in NFIP (mapped SFHAs per FEMA FIRMs in Mobile County — Mobile Bay, Mobile-Tensaw Delta, Three Mile Creek, Dog River, Fowl River watersheds). Local flood damage prevention ordinance required under 44 CFR §60.3. Mobile Code Ch. 17 is the flood damage prevention ordinance. Universal in mapped SFHAs.
Source
44 CFR §60.3; zoning/us/alabama/overlays.json (AL_FLOOD_DAMAGE_PREVENTION_NFIP); UDC Art. 11/12 cross-references to Ch. 17
Effect
Lowest floor of new residential construction in SFHA must meet BFE. No increases in floodway BFE permitted. Local ordinance Ch. 17 governs; ADEM NFIP coordinator provides model ordinance.
AL-AIRPORT-HAZARD (§4-6-8)applies
Qualifying condition
Mobile is home to Mobile Regional Airport (MOB) and Brookley Aeroplex (BFM / Coast Guard Air Station Mobile). Properties within FAA Part 77 imaginary surfaces subject to airport hazard permit requirement and height caps under Ala. Code §4-6-8 and 14 CFR Part 77. Trigger: city has airport influence zones.
Source
Ala. Code §§4-6-1 et seq.; zoning/us/alabama/overlays.json (AL_AIRPORT_HAZARD_ZONING_4_6); FAA Airport Influence Zone maps
Effect
Airport hazard permit required before new construction/substantial alteration in regulated airport hazard area. Height capped at FAA Part 77 surfaces in approach/clearance zones.
AL-HISTORIC-PRESERVATION (§§11-68-1 et seq.)applies
Qualifying condition
Mobile has adopted a Historic District Overlay (UDC Article 14) consistent with Ala. Code §§11-68-1 et seq. (Historic Preservation Commissions). Mobile is a Certified Local Government (CLG) and one of the state's notable historic preservation cities per the Alabama overlays file. Mobile has designated local historic districts subject to the HDO (Sec. 64-14-1).
Source
UDC Art. 14, Sec. 64-14-1; Ala. Code §§11-68-1 et seq.; zoning/us/alabama/overlays.json (AL_HISTORIC_PRESERVATION_11_68)
Effect
Historic Preservation Commission / Architectural Review Board review required for exterior alteration, addition, new construction, demolition, and relocation in locally designated historic districts.
AL-MOBILE-BAY-NEP (CWA §320 — non-regulatory)applies
Qualifying condition
Mobile is in the Mobile Bay National Estuary Program (NEP) watershed (CWA §320, 33 U.S.C. §1330). The Mobile Bay NEP CCMP ('The Waters We Share') is a non-regulatory partnership document. Watershed includes Mobile and Baldwin counties. Not a zoning preemption — local governments voluntarily incorporate CCMP recommended practices into stormwater/riparian ordinances.
Source
zoning/us/alabama/overlays.json (AL_MOBILE_BAY_NEP_COORDINATION); CWA §320; Mobile Bay NEP CCMP
Effect
Non-regulatory. CCMP recommended practices (stormwater LID, riparian buffers, living shorelines) may be voluntarily incorporated by ordinance. No federal land-use controls imposed.
Non-applicable laws (4)
AL-STR (short-term-rental local control)does_not_apply
Qualifying condition
No statewide STR preemption enacted as of 2026RS adjournment (April 9, 2026). Alabama imposes lodging tax on rentals <180 days (Title 40) but has no state STR licensing or operational preemption. Mobile has adopted its own STR ordinance. Local Chapter 52 authority retained.
Source
zoning/us/alabama/overlays.json (AL_STR_NO_PREEMPTION_2026); LegiScan AL 2026RS index
AL-MH (manufactured-housing zoning)does_not_apply
Qualifying condition
No state preemption of municipal MH siting. Alabama Manufactured Housing Commission governs installation/anchoring (Title 24 Ch. 5). Federal HUD Code (24 CFR Part 3280) preempts construction standards only. Mobile retains Chapter 52 authority to regulate MH siting by district.
Source
zoning/us/alabama/overlays.json (AL_MANUFACTURED_HOUSING_NO_PREEMPTION); Ala. Code §40-12-255
AL-ADU (accessory dwelling units)does_not_apply
Qualifying condition
No statewide ADU mandate enacted through 2026RS (adjourned April 9, 2026). No CA SB 9 analog in Alabama. Mobile retains Chapter 52 authority to regulate ADUs by district.
Source
zoning/us/alabama/overlays.json (AL_DENSITY_ADU_IZ_DESIGN_NO_PREEMPTION_2026)
AL-DENSITY / AL-IZ / AL-DESIGN-REVIEWdoes_not_apply
Qualifying condition
No statewide density, inclusionary-zoning, or design-review preemption enacted through 2026RS (adjourned April 9, 2026). Mobile retains full Chapter 52 authority over these standards.
Source
zoning/us/alabama/overlays.json (AL_DENSITY_ADU_IZ_DESIGN_NO_PREEMPTION_2026)

Adopted building codes

Statewide

2021
2021
2020
2021
IECC (Residential)
2015
IECC (Commercial)
2015

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

Amendment history

DateKindCitation
2026-05-26retrieved at
2025-06-03supplement effectiveArticles 3, 5, 8, 15 amended June 3, 2025 (City Council #64-024-2025; Article 15 #64-030-2025)
2022-07-12adoptionMobile UDC Article 1 — adoption date shown on Article 3 cover page (City Council #64-024-2025)
2022-06-07supplement effectiveArticle 2 Zoning Districts header: 'Mobile Unified Development Code June 7, 2022'
2022-05-17last amendedArticles 2, 4, Appendix A amended May 17, 2022 per PDF filename datecorrected

Quirks & notes

  • mobile-udc-subdistricts: Mobile's UDC uses Urban/Suburban/Conservation sub-districts within R-1, R-2, R-3, B-1, LB-2, B-2, B-3 districts. Each sub-district has distinct dimensional standards. Sub-district designation is shown on the Zoning Map. Records must specify sub-district for accurate dimensional lookup — this profile presents both sub-district values where they differ.
  • mobile-udc-ddd-separate-code: The Downtown Development District (DDD) operates under Appendix A as an entirely separate transect code. Article 3 development standards (landscaping, parking, lighting, buffers) do NOT apply in the DDD per Sec. 64-3-1.A.b. The parking exemption zone within the DDD (Beauregard/Mobile River/Eslava/Water) is also excluded from Article 3 parking per §64-3-12.A.1.c.
  • mobile-udc-springhill-article3-exclusion: Spring Hill Overlay (Article 13) properties are excluded from Article 3 development standards per Sec. 64-3-1.A.a. Article 13 governs instead.
  • mobile-udc-tb-parking-caps: T-B (Transitional Business) has maximum parking caps rather than minimums for commercial uses: retail/office capped at 1 per 200 sf; restaurants at 1 per 75 sf. Excess spaces must use alternative paving surface. Drive-thrus prohibited in T-B. Hours restricted (retail 6am-10pm; restaurants 6am-12am) per Sec. 64-2-24.3.
  • mobile-al-template-bleed-v1: Previous v1 record (prior to this V2 regen) showed confirmed template-bleed: all 7 listed districts (R-1 through I-2) had identical dimensional values (min_lot_sf=5000, max_height_ft=35, lot_coverage=0.5, far=0.5, parking=2, front=25, side=25, rear=10), and cited non-existent section codes like '§64-2-B1'. The actual UDC has 20 base districts with substantially different values per district.

Formulas

Definitions

height
Grade to highest point of structure.
lot_coverage
Building footprint / lot area.
far
Not directly stated as a dimensional standard in the UDC — coverage pct is the primary bulk control.
du_ac
Dwelling units per gross acre.
setback_front
Front property line to nearest building face.
setback_side
Side property line to nearest building face.
setback_rear
Rear property line to nearest building face.
parking
Spaces per use type per Sec. 64-3-12 Table 64-3-12.1.

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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/unit
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du/ac
Min lot size
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District Category Height FAR Coverage Setbacks Parking Density Min lot Overlays

Sources & references

Citations
  1. [1] §64-2-4.E
  2. [2] §64-2-4.E
  3. [3] §64-2-4.E
  4. [4] §64-2-4.E
  5. [5] §64-2-4.E
  6. [6] §64-2-4.E
  7. [7] n
  8. [8] §64-2-4.E
  9. [9] §64-3-12 Table 64-3-12.1
  10. [10] §64-2-5.E
  11. [11] §64-2-5.E
  12. [12] §64-2-5.E
  13. [13] §64-2-5.E
  14. [14] §64-2-5.E
  15. [15] §64-2-5.E
  16. [16] n
  17. [17] §64-2-5.E
  18. [18] §64-3-12 Table 64-3-12.1
  19. [19] §64-2-6.E
  20. [20] §64-2-6.E
  21. [21] §64-2-6.E
  22. [22] §64-2-6.E
  23. [23] §64-2-6.E
  24. [24] §64-2-6.E
  25. [25] n
  26. [26] §64-2-6.E
  27. [27] §64-3-12 Table 64-3-12.1
  28. [28] §64-2-7.E
  29. [29] §64-2-7.E
  30. [30] §64-2-7.E
  31. [31] §64-2-7.E
  32. [32] §64-2-7.E
  33. [33] §64-2-7.E
  34. [34] n
  35. [35] §64-2-7.E
  36. [36] §64-3-12 Table 64-3-12.1
  37. [37] §64-2-8.E
  38. [38] §64-2-8.E
  39. [39] §64-2-8.E
  40. [40] §64-2-8.E
  41. [41] §64-2-8.E
  42. [42] §64-2-8.E
  43. [43] n
  44. [44] §64-2-8.E
  45. [45] §64-3-12 Table 64-3-12.1
  46. [46] §64-2-9.E
  47. [47] §64-2-9.E
  48. [48] §64-2-9.E
  49. [49] n
  50. [50] §64-2-9.E
  51. [51] §64-2-9.E
  52. [52] n
  53. [53] §64-2-9.E
  54. [54] §64-3-12 Table 64-3-12.1
  55. [55] §64-2-10.E
  56. [56] §64-2-10.E
  57. [57] §64-2-10.E
  58. [58] §64-2-10.E
  59. [59] §64-2-10.E
  60. [60] §64-2-10.E
  61. [61] n
  62. [62] §64-2-10.E
  63. [63] §64-3-12 Table 64-3-12.1
  64. [64] §64-2-11.E
  65. [65] n
  66. [66] n
  67. [67] §64-2-11.E
  68. [68] §64-2-11.E
  69. [69] §64-2-11.E
  70. [70] n
  71. [71] §64-2-11.E
  72. [72] §64-2-12.E
  73. [73] §64-2-12.E
  74. [74] §64-2-12.E
  75. [75] §64-2-12.E
  76. [76] §64-2-12.E
  77. [77] §64-2-12.E
  78. [78] n
  79. [79] §64-2-12.E
  80. [80] §64-3-12 Table 64-3-12.1
  81. [81] §64-2-13.E
  82. [82] §64-2-13.E
  83. [83] §64-2-13.E
  84. [84] §64-2-13.E
  85. [85] §64-2-13.E
  86. [86] §64-2-13.E
  87. [87] n
  88. [88] §64-2-13.E
  89. [89] §64-3-12 Table 64-3-12.1
  90. [90] §64-2-14.E
  91. [91] §64-2-14.E
  92. [92] §64-2-14.E
  93. [93] §64-2-14.E
  94. [94] §64-2-14.E
  95. [95] §64-2-14.E
  96. [96] n
  97. [97] §64-2-14.E
  98. [98] §64-3-12 Table 64-3-12.1
  99. [99] §64-2-15.E
  100. [100] §64-2-15.E
  101. [101] §64-2-15.E
  102. [102] n
  103. [103] §64-2-15.E
  104. [104] §64-2-15.E
  105. [105] n
  106. [106] §64-2-15.E
  107. [107] §64-3-12 Table 64-3-12.1
  108. [108] §64-2-16.E
  109. [109] §64-2-16.E
  110. [110] §64-2-16.E
  111. [111] §64-2-16.E
  112. [112] §64-2-16.E
  113. [113] §64-2-16.E
  114. [114] n
  115. [115] §64-2-16.E
  116. [116] §64-3-12 Table 64-3-12.1
  117. [117] §64-2-17.E
  118. [118] §64-2-17.E
  119. [119] §64-2-17.E
  120. [120] §64-2-17.E
  121. [121] §64-2-17.E
  122. [122] §64-2-17.E
  123. [123] n
  124. [124] n
  125. [125] §64-3-12 Table 64-3-12.1
  126. [126] §64-2-18.E
  127. [127] n
  128. [128] n
  129. [129] n
  130. [130] §64-2-18.E
  131. [131] §64-2-18.E
  132. [132] n
  133. [133] §64-2-18.E
  134. [134] §64-3-12 Table 64-3-12.1
  135. [135] §64-2-19.E
  136. [136] n
  137. [137] n
  138. [138] n
  139. [139] §64-2-19.E
  140. [140] §64-2-19.E
  141. [141] n
  142. [142] n
  143. [143] §64-3-12 Table 64-3-12.1
  144. [144] §64-2-20.E
  145. [145] n
  146. [146] n
  147. [147] n
  148. [148] §64-2-20.E
  149. [149] §64-2-20.E
  150. [150] n
  151. [151] n
  152. [152] §64-3-12 Table 64-3-12.1
  153. [153] §64-2-21.E
  154. [154] n
  155. [155] n
  156. [156] n
  157. [157] §64-2-21.E
  158. [158] §64-2-21.E
  159. [159] n
  160. [160] n
  161. [161] §64-3-12 Table 64-3-12.1
  162. [162] §64-2-22.E
  163. [163] n
  164. [164] n
  165. [165] n
  166. [166] §64-2-22.E
  167. [167] §64-2-22.E
  168. [168] n
  169. [169] n
  170. [170] §64-3-12 Table 64-3-12.1
  171. [171] z
  172. [172] z
  173. [173] z
  174. [174] z
  175. [175] z

Research status

Publication gates

primary url presentpassedhttps://www.cityofmobile.gov/udc/ — city-hosted source; article PDFs served from cityofmobile.gov/uploads/. Direct PDF URLs confirmed 200 OK.
no aggregator citedpassedscan clean — only cityofmobile.gov PDFs, Alabama state code (law.justia.com, findlaw.com), Census, and ADEM cited. No Zoneomics, Steadily, SitePlanGuide, or similar aggregator.
confidence tags full formpassed124 confirmed dimensional values carry §64-2-N.E citations from primary source PDFs. Partial fields carry search_performed explanations. No bare [confirmed] tags.
overlays have parameters trigger confidencepassed9 overlays documented: HDO, ATO, PO, SHO (partial — Art 13 tables pending), HAO, DDD (partial — Appendix A tables pending), FP, AHZ, ACAMP. Each has parameters, geographic_trigger, status, and §-citation. 2 partial overlays noted with missing detail documented.
preempt section city specificpassed11 state preemption laws evaluated with Mobile-specific qualifying conditions: §11-52-75.1 (R-3 MF district confirmed), Act 2025-331 BZA procedure (universal), STR/MH/ADU/density non-preemptions confirmed via 2026RS, ACAMP (Mobile County trigger confirmed), NFIP (Mobile Bay/coastal mapped SFHAs), airport hazard (MOB+BFM), §11-68 historic preservation (CLG status + HDO Article 14), Mobile Bay NEP (CWA §320 watershed).

Data quality

82%completeness124 confirmed18 partial
Documented gaps
  • Article 3 §64-3-1.A — full Springhill Overlay (Article 13) dimensional tables not extracted in this pass (partial overlay entry); DDD Appendix A transect dimensional tables (T-3 through T-6) not extracted; local freeboard amount in Ch. 17 not confirmed.

Other cities in this state

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