Overview
| residential | hierarchical-letter-number (R-1 Single-Family through R-3 Apartments; R-T Mobile Home Trailer) |
|---|---|
| commercial | hierarchical-letter-number (C-1 Neighborhood Commerce through C-8 Downtown Business District; C-7 was deleted by Gen. Ord. No. 8, 2006) |
| industrial | letter (M-1 Light Industry, M-2 Heavy Industry, M-P Industrial Park) |
| open_space | letter-number (O-1 Agricultural, O-2 Flood Plain) |
| planned_development | floating zone (Sec. 10-110 through Sec. 10-114) |
| overlay | letter (WPD-1, WPD-5 Wellhead Protection) |
Title-10 zoning is administered jointly with Vigo County by the Vigo County Area Plan Commission (Sec. 10-275 et seq. authorizes joint APC under IC 36-7-4-100 through -1200). FAR is district-mapped (not district-uniform): Table 2 lists permitted FAR ratios per district (R-3 may carry 0.7 through 8.0 depending on map designation). Open Space O-2 is a flood-plain district (zero new dwellings; FAR 0.0 only). C-7 Commercial Entertainment was deleted in 2006. | sub_flags_raw=[joint-area-plan-commission]
- FAR is district-mapped (not district-uniform): each parcel's max FAR is selected from a discrete ladder (Table 2) and recorded on the zoning map. R-3 mapped FAR may be anywhere on 0.7, 0.9, 2.0, 4.0, 6.0, or 8.0; C-5 ranges 0.9 to 10.0. Corner lots may add +0.1 with Board of Zoning Appeals approval (Sec. 10-136 h.a). — [c§Table 2; c§Sec. 10-185; c§Sec. 10-136 h.]
- Vigo County Area Plan Commission (APC) is the single planning body for both City of Terre Haute and Vigo County — joint subdivision/zoning administration under IC 36-7-4-100 through -1200 (Sec. 10-276 authority recital). — [c§Sec. 10-276 (subdivision authority); c§Sec. 10-258 (Area Planning Department)]
- Off-street parking is not required in the C-8 or C-9 downtown districts (Sec. 10-137 g.(1)). C-8 is the only listed downtown district remaining; C-9 is referenced in the parking exemption but the C-9 district may have been folded into C-5/C-8 in later amendments — verification deferred. — [c§Sec. 10-137 g.(1)]
+ 9 more in Quirks & notes
Districts
| Code | Name | Category | Min lot | Height | Coverage | FAR | Du/ac | Parking | Setbacks F/S/R |
|---|---|---|---|---|---|---|---|---|---|
| R-1 | Single-Family | res_sf | 7,200 sf | 125 ft | —[1] | 0.5 | — | — | 25 / 5 / 11 |
| R-2 | Two-Family | res_th | 7,200 sf | 125 ft | —[2] | 0.9 | — | — | 20 / 5 / 11 |
| R-3 | Apartments / General Residential | res_mf | 1,000 sf | 125 ft | —[3] | 8 | — | — | 15 / 5 / 11 |
| R-T | Mobile Home (Trailers) | spec | 4,000 sf | 125 ft | — | 0.3 | — | — | — / 5 / 11 |
| C-1 | Neighborhood Commerce | com | 3,300 sf | 125 ft | —[4] | 0.9 | — | — | 15 / 5 / 11 |
| C-2 | Limited Community Commerce | com | 15,000 sf | 125 ft | —[5] | 2 | — | — | 20 / 10 / 11 |
| C-3 | Regional Commerce | com | 1,000 sf | 125 ft | —[6] | 2 | — | — | 25 / 10 / 11 |
| C-4 | Restricted Central Business District (Restricted C.B.D.) | cbd | —[7] | 125 ft | — | 9 | — | — | 0 / 0 / 5 |
| C-5 | General Central Business District (General C.B.D.) | cbd | — | 125 ft | — | 10 | — | — | 0 / 0 / 5 |
| C-6 | Strip Business | com | 3,300 sf | 125 ft | — | 0.9 | — | — | — / — / — |
| C-8 | Downtown Business District | cbd | —[8] | 125 ft | — | —[9] | — | — | 0 / — / — |
| M-1 | Light Industry | ind | —[11] | 125 ft | — | 4 | — | — | 25 / 10 / —[10] |
| M-2 | Heavy Industry | spec | —[13] | 125 ft | — | 6 | — | — | 30 / 20 / —[12] |
| M-P | Industrial Park | ind | —[14] | 125 ft | — | 2 | — | — | — / — / — |
| O-1 | Agricultural | ag | —[15] | 125 ft | — | 10 | — | — | — / — / — |
| O-2 | Flood Plain | spec | 43,560 sf | 125 ft | — | 0 | — | — | — / — / — |
Confidence: confirmed partial under review not found
Overlays
Wabash River SFHA (Zones A, AE, A1-A30, AO, AH, AR, A99 per FEMA FIRM); also Honey Creek and other tributary SFHA. O-2 base zone applies to mapped flood-plain parcels. The 1965 Wabash flood (BFE anchor) and the 2008-era FIRMs (Vigo County) are the operative regulatory floods.
Within 2 miles of Terre Haute International Airport (HUF / formerly Hulman Regional Airport) corporate boundary, excluding the airport's own boundaries (Sec. 10-138 b.). Runway 5/23 (primary, 9,028 ft) and 14/32 (~7,200 ft).
1-year time-of-travel delineation around Indiana American Water (Terre Haute) Community Public Water Supply System wellheads; 327 IAC 8-4.1-1 et seq. defines the delineation methodology per IDEM Wellhead Protection Program
5-year time-of-travel delineation around Indiana American Water (Terre Haute) Community Public Water Supply System wellheads; larger annulus than WPD-1 per 327 IAC 8-4.1
Application-based floating zone (Sec. 10-110). Petitioner must demonstrate one of five hardship triggers per Sec. 10-112 a.: (1) physical-characteristics hardship, (2) improvement-on-land hardship, (3) adjacent-incompatible-uses hardship, (4) neighborhood-deterioration hardship (Department of Redevelopment finding), (5) parcel near district boundary line.
Application-driven locational overlay; restricts adult-oriented businesses to specific commercial districts and bars co-location with C-1, C-1R, etc. (Sec. 10-207 enumerations list adult oriented business as a defined Special Use only in select commercial zones).
State preemptions
Adopted building codes
Statewide; NEC updating to 2023
Click a code label to open its state-by-state adoption atlas.
Quirks & notes
- FAR is district-mapped (not district-uniform): each parcel's max FAR is selected from a discrete ladder (Table 2) and recorded on the zoning map. R-3 mapped FAR may be anywhere on 0.7, 0.9, 2.0, 4.0, 6.0, or 8.0; C-5 ranges 0.9 to 10.0. Corner lots may add +0.1 with Board of Zoning Appeals approval (Sec. 10-136 h.a). — [c§Table 2; c§Sec. 10-185; c§Sec. 10-136 h.]
- Vigo County Area Plan Commission (APC) is the single planning body for both City of Terre Haute and Vigo County — joint subdivision/zoning administration under IC 36-7-4-100 through -1200 (Sec. 10-276 authority recital). — [c§Sec. 10-276 (subdivision authority); c§Sec. 10-258 (Area Planning Department)]
- Off-street parking is not required in the C-8 or C-9 downtown districts (Sec. 10-137 g.(1)). C-8 is the only listed downtown district remaining; C-9 is referenced in the parking exemption but the C-9 district may have been folded into C-5/C-8 in later amendments — verification deferred. — [c§Sec. 10-137 g.(1)]
- C-7 Commercial Entertainment District was deleted from the district roster by Gen. Ord. No. 8, 2006, 6-8-06. No new C-7 zoning is possible; existing C-7 designations are non-conforming. — [c§Sec. 10-120 (district roster, C-7 deletion note)]
- Annexed lands are temporarily classified O-1 (Agricultural) until reclassified by ordinance amendment (Sec. 10-123). This means newly-annexed parcels carry the O-1 'no new dwelling units' restriction by default — rezoning is required before any residential development. — [c§Sec. 10-123]
- Wabash River floodplain is regulated through both Article 1 (Unified Floodplain Control, FP overlay) and Article 2 Sec. 10-120 (O-2 base district). Flood Protection Grade = BFE + 2 ft (Sec. 10-2 bb.); 2 ft freeboard is the operative habitable lowest-floor elevation requirement. — [c§Sec. 10-2 bb.; c§Sec. 10-2 ii. (Freeboard); c§Sec. 10-120 (O-2)]
- City-wide building height cap is 125 ft (Sec. 10-138 a.); the Terre Haute International Airport (HUF) Sec. 10-138 b. proximity surfaces (2,500 ft and 2-mile bands) further reduce maximum height based on horizontal distance from the airport boundary and U.S. geodetic elevation 585 ft. Per-parcel ceiling = MIN(125 ft, Sec. 10-138 b. proximity calc, FAA 14 CFR Part 77). — [c§Sec. 10-138 a./b.; c§14 CFR Part 77]
- STR regime pivot 2026-07-01: Title 10 STR provisions inconsistent with c§36-1-24-8/-9 IC become unenforceable; numeric caps prohibited; permit/registration fee capped at $150. — [c§36-1-24-8 IC; c§36-1-24-9 IC; HEA 1210 (2025)]
- HB 1001 (2026) statewide housing-and-zoning reform effective 2026-07-01 converts duplex / ADU / commercial-to-residential conversion to by-right in residential and commercial districts. Annual local opt-out cycle closes each December 31; Terre Haute had not (as of 2026-05-18) recorded an opt-out. Title 10 R-1, R-2 duplex prohibitions and commercial-district residential-conversion friction become preempted unless opted out per-topic. — [c§HB 1001 (2026), signed 2026-04-13, effective 2026-07-01; zoning/us/indiana/preemptions.json#in-hb1001-housing-by-right]
- Manufactured-housing preemption (c§36-7-4-1106 IC) intersects with Title 10 Division VI (Sec. 10-148 through Sec. 10-159 'Manufactured Homes') and the R-T district — Title 10 cannot exclude manufactured homes >=950 sf from R-1, R-2, R-3, or O-1. — [c§36-7-4-1106 IC; c§Sec. 10-148 through Sec. 10-159; c§Sec. 10-120 (R-T)]
- v1 record claimed a 'Historic District (HD)' overlay (Downtown + Farrington's Grove) and a 'University Overlay (UO)' for Indiana State University vicinity. Neither overlay is enumerated in Title 10 Chapter 10 Article 2. Farrington's Grove appears in the code only as street names in the snow-route and traffic schedules (Sec. 21163 et seq.), not as a zoning overlay. Historic structures receive special variance treatment in the floodplain ordinance (Sec. 10-6 f.) but no separate HD overlay exists. ISU institutional uses are regulated through base-district use schedules and Planned Development (PD) procedures, not a discrete UO overlay. v1 entries removed from v2. — [Title 10 Article 2 enumeration (Sec. 10-120 et seq.); absence is confirmed by full-text PDF inspection 2026-05-18]
- v1 record set state_preemptions to 'no-preemption.md' (factually wrong for IN). Indiana has at least 5 active preemptions applicable to Terre Haute: IC 36-7-4 procedural; IC 36-1-24 STR; IC 36-7-4-1106 manufactured housing; IC 32-31-1-20 rent/mandatory-IZ; HB 1001 (2026) housing-by-right effective 2026-07-01. — [zoning/us/indiana/preemptions.md; zoning/us/indiana/preemptions.json]
Formulas
Definitions
- height
- Building height per Sec. 10-36 — measured from grade to highest point of structure; elevator penthouses, water towers and coolers, radio and television aerials, and similar non-habitable appurtenances are exempt under Sec. 10-138 a.
- lot_coverage
- Building footprint divided by lot area. Title 10 does not publish a district-by-district lot_coverage ceiling; the operative density control is FAR (Table 2) and minimum lot area per dwelling unit (Table 8).
- far
- Gross building floor area divided by net lot area (buildable area as determined by building lines) per Sec. 10-136 h. Excludes off-street parking floor area, patio/garden/court open space, and Civil-Defense-approved fall-out shelter area. Maximum permitted FAR is district-mapped (Table 2) and selected from the discrete ladder 0.0, 0.1, 0.2, 0.3, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 2.0, ..., 10.0. Corner lots may add +0.1 with Board of Zoning Appeals approval (Sec. 10-136 h.a).
- du_ac
- Dwelling units per gross acre. Title 10 does not state du/ac directly; it is derived from Table 8 (minimum lot area per dwelling unit).
- setback_front
- 'Building line' setback per Table 1 — depends on whether the abutting facility is an Expressway, Major, Collector, or Local street (RESIDENTIAL column ranges 110–140 ft from centerline to building line). 'Front yard' obstruction rules at Sec. 10-136 d.(2).
- setback_side
- Interior side-yard building line = 5 ft from property line in residential districts per Sec. 10-184; abutting Alley or other interior lot = 5 ft per Table 1.
- setback_rear
- Rear yard building line = 11 ft from centerline of alley, or 11 ft from rear lot line where no alley, per Table 1.
- parking
- Spaces per dwelling unit (residential) or per 1,000 sf gross floor area (commercial) per Table 4 (Sec. 10-137 g, as amended Gen. Ord. No. 18, 2004). Off-street parking is NOT required in C-8 or C-9 districts per Sec. 10-137 g.(1).
Capacity calculations
- max_footprint_sf
lot_area_sf * (effective lot_coverage; derived per district as min(FAR / typical_floors, 1.0))- max_gfa_sf
lot_area_sf * far_district_mapped- max_units
lot_area_sf / min_lot_area_per_du_sf (per Table 8)
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.
| District | Category | Height | FAR | Coverage | Setbacks | Parking | Density | Min lot | Overlays |
|---|
Sources & references
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Research status
Publication gates
| primary url present | passed | |
|---|---|---|
| no aggregator cited | passed | |
| confidence tags full form | passed | |
| overlays have parameters trigger confidence | passed | |
| preempt section city specific | passed |
Data quality
Verification
| last_verified_at | 2026-05-18T00:00:00Z |
|---|---|
| verifier_specialist | verification-pass |
| verifier_version | 1.0 |
| verification_result | passed |
| atomic_claims_checked | 34 |
| atomic_claims_passed | 34 |
| atomic_claims_failed | 0 |
| notes | All confirmed claims carry c§Sec. 10-X or c§Table N citations from the primary Title 10 PDF retrieved 2026-05-18; partial claims carry explicit partial_reason and narrative_ref; not_found claims carry search_performed. No bare [confirmed] tags. No aggregators cited. v1's HD and UO overlays were retracted after primary-source confirmation that neither overlay exists in Title 10. |
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