CheckerCoverage APIRevit Add-in AboutSources Methodology Run a check →
Log in Sign up free
Coverage status

505+ jurisdictions.
6,784 districts.
Every rule cited.

Codecheck covers 505+ jurisdictions across 10 states — Illinois, Missouri, Kansas, Nebraska, Indiana, Wyoming, Iowa, South Dakota, Kentucky, and Montana — with verified, source-cited compliance data. We publish our depth scores openly.

Run a check → Request API access
505+
Jurisdictions covered
6,495+
Zoning districts
18
Compliance categories per jurisdiction
100%
Source-cited results
What we cover

18 compliance categories — per jurisdiction

Each jurisdiction is extracted from its official ordinance PDF. Every category is scored by how completely its rules are extracted. We publish these scores openly so you always know what's fully covered, what's partial, and what's still in progress.

Zoning
Zoning & Dimensional
Lot area, lot width, setbacks (front, side, rear), building height, lot coverage, FAR. Verified from each jurisdiction's bulk regulations table.
✓ Full coverage
Building codes
Building Code Amendments
Locally adopted editions (IBC, IRC, IMC, IFC, NEC, IECC) and amendments. Sprinkler triggers, high-rise thresholds, local code officer assignments.
✓ Full coverage — 461+ eligible jurisdictions
MEP equipment
MEP & Equipment
AC compressors and heat pumps in prohibited yards, rooftop mechanical equipment setbacks, screening requirements for industrial districts.
✓ Full coverage — all 10 states
Parking
Parking Requirements
Minimum parking ratios by use type, stall dimensions, aisle widths, loading space requirements, drive-through stacking lanes.
✓ Full coverage — 461+ eligible jurisdictions
🪧
Sign Rules
Maximum sign area and height by district, setback requirements, permit exemptions, digital sign regulations, prohibited sign types.
✓ Full coverage — 380+ jurisdictions
🌿
Landscaping
Parking lot landscaping requirements, perimeter buffers, screening requirements between residential and commercial uses.
⬤ Partial — Illinois + selected other jurisdictions
🏠
Accessory Structures & ADU
Accessory building count, footprint, height, and setback limits. ECHO housing and ADU rules where adopted by the municipality.
✓ Full coverage — 380+ jurisdictions
⚠️
Nonconformity Rules
Damage thresholds, discontinuance periods, expansion limits, replacement value methodology, and nonconforming lot rules.
✓ Full coverage — 461+ eligible jurisdictions
📍
Separation Distances
Adult entertainment, cannabis dispensaries, animal care, and other use-specific setback requirements from residential zones, schools, and parks.
⬤ Partial — Illinois + selected other jurisdictions
Depth by jurisdiction

Honest coverage scores for every jurisdiction

JurisdictionStatusDistrictsCoverage depth
Village of Westmont, IL Live 18
18/18
Village of Glen Ellyn, IL Live 18
16/18
Village of Gilberts, IL Live 9
17/18
Village of Clarendon Hills, IL Live 10
17/18
DuPage County (Uninc.) Live 13
17/18
City of Elgin, IL Live 30
16/18
Village of Arlington Heights, IL Live 21
16/18
McHenry County (Uninc.) Live 15
16/18
Cook County (Uninc.) Live 23
16/18
Boone County (Uninc.) Live 14
16/18
City of Calumet City, IL Live 11
16/18
City of Chicago Heights, IL Live 14
16/18
Village of Chicago Ridge, IL Live 12
16/18
City of Chillicothe, IL Live 17
16/18
City of Carlyle, IL Live 10
16/18
Village of Cary, IL Live 12
17/18
Village of Cherry Valley, IL Live 8
16/18
Village of Bolingbrook, IL Live 15
14/18
Village of Crete, IL Live 16
15/18
City of Collinsville, IL Live 22
15/18
Village of Brookfield, IL Live 25
15/18
Will County (Uninc.) Live 20
14/18
Kane County (Uninc.) Live 25
14/18
Village of Aroma Park, IL Live 8
12/18
McLean County (Uninc.) Live 12
12/18
Lake County (Uninc.) Live 18
11/18
Champaign County (Uninc.) Live 13
7/18
Winnebago County (Uninc.) Live 10
9/18
DeKalb County (Uninc.) Live 3
9/18
Village of Forsyth Coming soon 0
0/18
Scott County Coming soon 0
0/18
Village of Alsip Coming soon 0
0/18
Town of Cicero Coming soon 0
0/18
All jurisdictions

Where Codecheck works today

🌽 Illinois — 209 jurisdictions
🎸 Missouri — 74 eligible
🌾 Kansas — 47 eligible
🌻 Nebraska — 29
🏎️ Indiana — 39
⛰️ Wyoming — 23 eligible
🌽 Iowa — 18 eligible
🦅 South Dakota — 14 eligible
🏇 Kentucky — 8 eligible
— data verified from official ordinance — extraction in progress

Don't see your jurisdiction?

We're adding new jurisdictions every month. Request a specific municipality and we'll prioritize it in our extraction pipeline.

9 states · 505+ jurisdictions · growing

15.1/18 average depth across 480 jurisdictions · 56 state code blocks · 6,784 zoning districts · 39 perfect 18/18 entries

State Juris Eligible Districts Avg Depth ≥15/18 State Code Highlights
Illinois2092092,54214.5/18147 (70%)Mandatory · IBC 2018 · NEC 2023 · IPC · IECC 2021 · Zone 5A
Missouri78741,08415.7/1868 (87%)No statewide code · IBC 2021 prof. standard · IPC local · Zone 4–5A
Kansas534780114.6/1834 (64%)No statewide code · All local · No energy code · Zone 4–5A
Indiana393957314.7/1822 (56%)Mandatory · IBC 2012 · NEC 2008 · IPC · ASHRAE 90.1-2007 · Zone 5A
Nebraska292946616.2/1825 (86%)IBC 2018 enabled · NEC 2023 mandatory · UPC 2018 · IECC 2021 mandatory
Wyoming252333916.9/1822 (88%)IBC 2024 (state) · NEC 2023 mandatory · IPC · No energy · Zone 5B–7
Iowa211834315.6/1817 (81%)Mandatory · IBC 2024 · NEC 2020 · UPC 2021 · IECC 2021 · Zone 5–6A
South Dakota151419617.1/1814 (93%)IBC 2021 default · NEC 2023 mandatory · UPC 2024 mandatory · Zone 6A
Kentucky11815115.6/189 (82%)Mandatory · IBC 2015 · NEC 2023 · IPC · IECC 2009/12 · Zone 4–5A
Total4804616,49515.1/18358 (75%)56 state code blocks · 39 perfect 18/18
Expanding next:
Wisconsin Minnesota Ohio Colorado Tennessee North Dakota Montana Oklahoma Michigan Arkansas
Codecheck AI Ask anything about jurisdictions & zoning rules
👋 Hi! I have zoning and building code data for 505 jurisdictions across 10 states. Ask me about setbacks, parking ratios, ADU rules, adopted building codes, or anything else in the dataset.