Historical Ordinance Amendments
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Historical Zoning Ordinance Amendments

The Zoning Ordinances that governed Indianapolis-Marion County before April 1, 2016 are provided below:

Dwelling Districts Zoning Ordinance -119 pages
Commercial Zoning Ordinance  - 133 pages
Industrial Zoning Ordinance - 100 pages
Subdivision Control Ordinance - 27 pages
Sign Regulations
2015 - 90 pages

2011 - 91 pages
Other Zoning Districts Ordinance - 157 pages
(includes Airport, CBD, Flood, GSB, Histroic Preservation, Regional Center, Special Districts, Wellfield Protection, and Wireless Communications)


These Zoning Ordinances were amended numerous times. Below is the list of amendments to the 1922 City Zoning Ordinance, the 1948 County Zoning Ordinance, and the combined City-County Zoning Ordinances (Uni-gov).

These amendments are listed alphabetically by the general topic to which the amendment pertains then chronologically. Each is available in PDF format simply by double-clicking on the title and it will open in a new window. The first two digits in the ordinance number following the description refer to year the ordinance was proposed. 

   
Adult Entertainment Business, 84-AO-4
Adult Entertainment Business, extended to DA, D5II, and D6II, 90-AO-1
Adult Entertainment Business, purpose statements, definitions, 02-AO-01
Adult Entertainment Business, adult cabaret and adult motel definitions, 03-AO-02
Airport District Ord, 63-AO-3
Airport Special Use District and standards, 61-AO-4
Airspace District Zoning Ord, 72-AO-1
Airspace District Zoning Ord, 81-AO-5
Airport Zoning Ord (combines Airport Special Use District Ord and Airspace District Ord), 94-AO-2
Airport Zoning Ord, Airspace District zoning base maps, 98-AO-2
B-3 uses (County)-Bowling alleys added, 61-AO-1
Board of Zoning Appeals creation by Ord, 83-AO-1
Central Business District Ord, 64-AO-1
CBD-Special Development District Zoning Ord 68-AO-7
Central Business District uses & development standards, 81-AO-4
CBD-Special Development District Zoning Ord, General Regulations, 85-AO-1
Central Business District uses & sky plane exposure, 93-AO-1
Central Business District Ord, (repeal of CBD-Special District & addition to CBD Ord), 94-AO-1
Central Business District Ord, separation between Under-21 establishments & other amusements 97-AO-6
Churches as Special Exceptions in dwelling districts, 86-AO-2
Commercial Zoning Ord, Districts C1 through C7 and CS, 69-AO-1
Commercial Zoning Ord, comprehensive revision, 75-AO-3
Commercial Special Exceptions Ord, 76-AO-2
Commercial Zoning Ord, Auto sales/repair, 76-AO-3
Commercial Zoning Ord, front yard uses and setbacks in C1, C2, C3, and C3C, 79-AO-4
Commercial Zoning Ord, C3 yards, gas station canopies, 80-AO-1
Commercial Zoning Ord, comprehensive revision, 92-AO-4 (Part 1- Sec 1.00 to 2.07)
Commercial Zoning Ord, comprehensive revision, 92-AO-4 (Part 2- Sec 2.08 to 2.15)
Commercial Zoning Ord, comprehensive revision, 92-AO-4 (Part 3- Sec 2.16 to 3.00)
Commercial and Special Districts Ord, Thoroughfare Plan update reference, 96-AO-1
Commercial Zoning Ord, separation requirements for under-21 and other amusement uses, 97-AO-5
Commercial and Special Districts Ord, substance abuse treatment facilities, 98-AO-5
Comprehensive zoning map boundaries, 70-AO-4
Comprehensive zoning map boundaries, 71-AO-2
Comprehensive zoning map boundaries, 72-AO-3
Comprehensive zoning map boundaries, 73-AO-4
Comprehensive zoning maps, 74-AO-2
Comprehensive zoning map boundaries, 77-AO-1
Comprehensive zoning map boundaries, 79-AO-2
Comprehensive zoning map boundaries, 81-AO-3
Comprehensive zoning map boundaries, 87-AO-2
Comprehensive zoning map boundaries, 89-AO-3
Comprehensive zoning map boundaries, map 11, 93-AO-5
Comprehensive zoning map boundaries, map 25, 94-AO-6
Comprehensive zoning map boundaries, map 5, 94-AO-6
Comprehensive zoning map boundaries, maps 1, 3, 19 & 32, 95-AO-11
Comprehensive zoning map boundaries, maps 13, 20, 21, 29 & 31, 96-AO-5
Comprehensive zoning map boundaries, maps 16, 17, & 40, 94-AO-9
Comprehensive zoning map boundaries, maps 2, 14, 28, 47, 50 & 51, 95-AO-5
Comprehensive zoning map boundaries, maps 30 & 33, 94-AO-11
Comprehensive zoning map boundaries, maps 34, 41, 42, 48 & 49, 96-AO-7
Comprehensive zoning map boundaries, maps 35 & 45, 94-AO-11
Comprehensive zoning map boundaries, maps 36, 37, 43 & 44, 97-AO-8
Comprehensive zoning map boundaries, maps 38, 39 & 46, 97-AO-9
Comprehensive zoning map boundaries, maps 4, 23, 24, 14D, 18C, 28C & 35B, 95-AO-9
Comprehensive zoning map boundaries, maps 6 & 18, 94-AO-8
Comprehensive zoning map boundaries, maps 9, 22, 26 & 27, 95-AO-7
Comprehensive zoning map boundaries, Floodway and Flood Fringe, 92-AO-7
Comprehensive zoning map boundaries. map 12, 94-AO-6
Comprehensive zoning maps, rezoning of RC-M district to CBD-1 and CBD-2, 94-AO-5
Division of Compliance establishment, DPW consolidation, 01-AO-02
Dwelling Districts Zoning Ord, Low-Rise Multiple-family, 64-AO-4
Dwelling Districts Zoning Ord, comprehensive revision with signs, 66-AO-2
Dwelling Districts Zoning Ord map boundaries, 66-AO-5
Dwelling Districts Zoning Ord map boundaries, 67-AO-4
Dwelling Districts Zoning Ord, recorded lots and substandard widths, 67-AO-6
Dwelling Districts Zoning Ord, non-conforming schools, 68-AO-1
Dwelling Districts Zoning Ord, D-6II creation, 68-AO-5
Dwelling Districts Zoning Ord map boundaries, 68-AO-10
Dwelling Districts Zoning Ord, Meridian Hills setback and yard requirements, 71-AO-5
Dwelling Districts Zoning Ord, Mobile Homes, 74-AO-3
Dwelling Districts, Home Occupation amendment, 75-AO-1
Dwelling Districts, Group Home for the Developmentally Disabled, 81-AO-2
Dwelling Districts Zoning Ord, Manufactured Housing, 82-AO-1
Dwelling Districts Zoning Ord, comprehensive revision, 89-AO-2 (Part 1)
Dwelling Districts Zoning Ord, comprehensive revision, 89-AO-2 (Part 2)
Dwelling Districts Zoning Ord, 92-AO-1
Dwelling Districts Zoning Ord, commercial vehicle parking, 93-AO-4
Dwelling Districts Zoning Ord, child care homes and group homes, 95-AO-1
Dwelling Districts Zoning Ord, group homes for the mentally ill, 95-AO-8
Dwelling Districts Zoning Ord, lot width, model homes, pool fences, antennas, home occupations, 97-AO-2
Dwelling Districts Zoning Ord, bldg height, setback and fence height exceptions, 97-AO-3
Dwelling Districts Zoning Ord, Sanitary sewer req DS & D1, 97-AO-13
Dwelling, Commercial, and Special Districts Zoning Ordinances, added assisted living facilities as permitted use, 98-AO-7
Enforcement and Remedies Zoning Ord, 88-AO-5
Enforcement and Remedies Zoning Ord, 92-AO-5
Enforcement and Remedies Zoning Ord, inspections, stop-work order, 93-AO-6
Enforcement and Remedies Zoning Ord, excluded cities enforcement enhancement, 05-AO-01
Flood Control Districts Ord, 71-AO-3
Flood Control Districts Ord, 82-AO-2
Flood Control Districts Ord, NFIP regs, FIRM map boundaries, 84-AO-3
Flood Control Districts Ord, comprehensive revision, 92-AO-6
Flood Control Districts Ord, floodplain development permits, misc, 2000-AO-3
Flood Control District maps (FIRM update), 05-AO-03
Floor Area Ratio requirements for Cumberland (County), 59-AO-4
Floor Area and Floor Area Ratio definitions, 69-AO-5
Freeway rights-of-way zoning, 2000-AO-02
Gas utility Special Use category (County), 59-AO-5
Gasoline Service Station Ordinance, 66-AO-4
Gravel and Sand, bond amount increase (County), 59-AO-17
Gravel-Sand-Borrow District Zoning Ord, 65-AO-3
Historic Preservation Districts Zoning Ord, 68-AO-14
Hospital Districts Zoning Ord, 68-AO-8
Hospital Districts Zoning Ord, map boundaries 69-AO-3
Hospital Districts Zoning Ord, map boundaries 69-AO-6
Hospital Districts Zoning Ord, map boundaries 72-AO-2
Hospital Districts Zoning Ord, notice requirements, 73-AO-3
Improvement Location Permit Ord, 68-AO-11
Improvement Location Permit Ord, 71-AO-1
Improvement Location Permit Ord, 75-AO-2
Improvement Location Permit Ord, outdoor advertising sign moratorium, 88-AO-1
Improvement Location Permit Ord, deletion of requirement 1 yr after variance approval, 93-AO-3
Improvement Location Permit Ord, exemptions, definitions, 95-A0-2
Improvement Location Permit Ord, exemptions from permit requirements, 97-AO-4
Improvement Location Permit Ord, Underground storage tank permit, 97-AO-11
Industrial Zoning Ord, performance standards (County), 58-AO-2
Industrial Zoning Ord (Lawrence), 59-AO-21
Industrial Zoning Ord (County), 63-AO-4
Industrial Zoning Ord, map boundaries, 64-AO-2
Industrial Zoning Ord, added I-5-S and I-5-U districts, 67-AO-7
Industrial Zoning Ord, Industrial Park definition, 73-AO-2
Industrial Zoning Ord, I-1-S standards, I-2-S uses, 80-AO-3
Industrial Zoning Ord, 96-AO-3 (Part 1)
Industrial Zoning Ord, 96-AO-3 (Part 2)
Legal Nonconforming Use Ord established, 96-AO-4
Lot area reduction for "S" lots with public sewers (County), 59-AO-3
Lot area requirement increase, A4, A5, A6 (City), 60-AO-4
Lot area requirement increase, R-6 apartments (County), 60-AO-3
Main floor area requirement, residential use (City), 61-AO-2
Marion County Zoning Ord, business district setbacks, 60-AO-7
Marion County Zoning Ord, dwelling unit dimensions, 60-AO-5
Meridian Hills Zoning Ordinance, 1946
Meridian Hills exception, 71-AO-5
Motels in RM1 district, RM and RM1 uses in B-1 district (Speedway), 63-AO-2
Ordinance enforcement, 60-AO-2
Park District Zoning Ord, PK-I, 68-AO-2
Park District Zoning Ord, PK-II, 69-AO-2
Parking requirement increase, apartments (City), 59-AO-14
Parking requirements and definition (City), 60-AO-8
Planned Unit Development Ord, 67-AO-8
Planned Unit Development Ord, applicability, 67-AO-2
Planned Unit Development Ord, established, 67-AO-1
Planned Unit Development Ord, signs, 67-AO-3
Planned Unit Development Ord, 21st St and Tibbs Ave, 70-AO-1
Planned Unit Development Ord, 73-AO-1
Public sewered "S" lot clarification, 59-AO-19
Regional Center-Market Square Development District, 70-AO-2
Regional Center Ord, 70-AO-3
Regional Center Ord, Director's approval, standards, 70-AO-5
Regional Center Ord, North Meridian Street Corridor, 82-AO-3
Regional Center-Market Square Development District uses, 81-AO-6
Regional Center Ord, sidewalk sales, 92-AO-2
Regional Center Ord, ILP requirement deletion 93-AO-2
Repeal-Gasoline Service Station, Off-Street Parking, PUD-Special District Ords, 84-AO-1
Repeal-Special Use Districts Ord, establish Special Districts Ord, allow Admin Approval, 95-AO-12
Residential first floor area, lot width, lot size (Town of Warren Park), 60-AO-1
Residential use elimination from industrial district (County), 58-AO-5
Rezoning reversion, 1 year (County), 57-AO-2
Road definitions, ROW, and setbacks therefrom (County), 58-AO-12
Sidewalk location and composition, Sub Ord (County), 61-AO-3
Sidewalk sales, CBD-Special Development District, 81-AO-8
Sidewalk sales, Regional Center Zoning Ord, 81-AO-7
Sidewalk amendment, 07-AO-2, GO4-2008
Sign Regulations, Commercial Districts, 68-AO-4
Sign Regulations, Special Use, Forestry, Agricultural Districts, 68-AO-3
Sign Regulations, temp business, subdivisions, multi-family, 69-AO-4
Sign Regulations, 71-AO-4
Sign Regulations, distance between ad signs, 86-AO-1 (6 pages)
Sign Regs, Off-premises Advertising (billboards), 88-AO-3 (63 pages)
Sign Regulations, integrated centers, 91-AO-2 (9 pages)
Sign Regulations, comprehensive revision, Chapters 1-5, 94-AO-10 (Part 1) (53 pages)
Sign Regulations, comprehensive revision, Chapters 6-8, 94-AO-10 (Part 2) (45 pages)
Sign Regulations, outdoor cafes, 97-AO-7 (2 pages)
Sign Regulations, non-commercial opinion, seasonal display, window, other, 98-AO-8 (9 pages)
Sign Regs, Off-premises Advertising (Billboards), distance, location, 03-AO-04 (8 pages)
Sign Regulations, non-commercial opinion signs, 04-AO-03 (17 pages)
Special Use Districts Zoning Ord, SU-43 Transmission Lines (County), 59-AO-20 (1 page)
Special Use Districts Zoning Ord, 66-AO-3 (9 pages)
Special Use Districts Zoning Ord, SU-13 sanitary landfill regulations, 67-AO-5 (6 pages)
Special Use Districts Zoning Ord, SU-13 sanitary landfill regulations, 68-AO-13 5 pages)
Special Use Districts Zoning Ord, 78-AO-1 (15 pages)
Special Districts Zoning Ord (combine Park, Hospital, University Quarter), 94-AO-3 (21 pages)
Special Use Districts Zoning Ord, comprehensive, deletes SU-14, SU-15, and SU-29, 94-AO-4 (14 pages)
Special Use Districts Zoning Ord, off-track pari-mutuel wagering facilities, 94-AO-7 (26 pages)
Subdivision Control Ord (County), Bonding exclusion for previously bonded improvements, 59-AO-18 (4 pages)
Subdivision Control Ord (County), Drainage design certification, 59-AO-8 (1 page)
Subdivision Control Ord, Monument identification (County), 59-AO-6 (1 page)
Subdivision Control Ord (County), Timing of completion of improvements, 59-AO-7 (1 p)
Subdivision Control Ord (County), Thoroughfare ROW width, lot access, 59-AO-9 (2 pp)
Subdivision Control Ord (County), lot frontage, whole-width or half-width, 59-AO-10 (1 p)
Subdivision Control Ord (County), Monument Req decrease, 59-AO-11 (1 page)
Subdivision Control Ord (County), Maintenance bonds, 59-AO-12 (3 pages)
Subdivision Control Ord, 58-AO-13 (2 pages)
Subdivision Control Ord, monument specifications, 64-AO-3 (1 page)
Subdivision Control Ord, Street construction standards, 64-AO-5 (9 pages)
Subdivision Control Ord, complete revision, 97-AO-12 (41 pages)
U3 Parking requirements increase (City), 59-AO-22
U5 public hearing uses (City), 61-AO-5
Underground Utilities Zoning Ord, 72-AO-5
University Quarter Zoning Ord, 66-AO-6
University Quarter Zoning Ord, Butler University, 73-AO-5
Wellfield Protection Zoning Ord, Special Exceptions by HOV, 95-AO-13A
Wellfield Protection Zoning Ord, expiration date extension, 95-AO-13B
Wellfield Protection Zoning District Base maps 7D, 14C, and 50C deletions, 96-AO-2
Wellfield Protection Zoning Ord, expiration date extension, 96-AO-6
Wellfield Protection Zoning Ord, expiration date extension, 97-AO-1
Wellfield Protection Zoning Ord, TQP process, 97-AO-10
Wellfield Protection Zoning Ord, delete boundary requirement to follow property lines, 98-AO-3
Wellfield Protection Zoning Ord, roles of DPW, BPW, DMD and MDC, 03-AO-03
Wine bottling permitted in County I-1 district, 58-AO-14
Wireless Communications Zoning Ord, referenced in other districts, 98-AO-4
Wireless Communications Zoning Ord, PK-1 apps, other various, 98-AO-6
Wireless Communications Zoning Ord, height, Administrator's landscaping approval, 99-AO-01
Zoning districts map addition (City of Lawrence), 65-AO-2
Zoning map, electronic version as Official Zoning Map, 01-AO-01
Zoning Ordinance (City)- 1922
Zoning Ordinance (City) - 1942
Zoning Ordinance (City) - 1951
Zoning Ordinance (City) - 1968
Zoning Ordinance (County 1948) -Pt 1 of 4
Zoning Ordinance (County 1948) -Pt 2 of 4 Rules + Permits
Zoning Ordinance (County 1948) -Pt 3 of 4 Amendments up to 1955
Zoning Ordinance (County 1948) -Pt 4 of 4 Amendments 1956 to 1964