Detected changes
Newest first. Each row links to the official source and to the archived capture in which the change was first seen, and to the previous capture for comparison.
| Detected | What changed | Previous | New | Source & capture |
|---|---|---|---|---|
| No published changes yet. Tracking began September 9, 2026; 121 captures across 22 sources so far. A change is published only when both the previous and new value clear the confidence threshold or a reviewer confirms it. | ||||
Lower-confidence signals not shown as facts: 3 fee, 2 portal, 2 doc · 9 items awaiting editorial review. Export: changes.csv · changes.json.
Current values on record
| Field | Value | Source | Last verified |
|---|---|---|---|
| IBC edition | 2018 | Adopted codes · source | 2026-10-07 · archived copy |
| IECC edition | 2021 | Adopted codes · source | 2026-10-07 · archived copy |
| NEC edition | 2017 | Adopted codes · source | 2026-10-07 · archived copy |
| Page title | City of Chicago :: Chicago Construction Codes | Adopted codes · source | 2026-10-07 · archived copy |
| Page URL (after redirects) | https://www.chicago.gov/city/en/depts/bldgs/provdrs/bldg_code/svcs/… | Adopted codes · source | 2026-10-07 · archived copy |
| Page title | 14A-12-1204.2 Stand-alone permit fees. | Fee schedule · source | 2026-10-07 · archived copy |
| Page title | City of Chicago :: Calculate the Cost of a Building Permit | Fee schedule · source | 2026-10-07 · archived copy |
| Page URL (after redirects) | https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0… | Fee schedule · source | 2026-10-07 · archived copy |
| Page URL (after redirects) | https://www.chicago.gov/city/en/depts/bldgs/provdrs/permits/svcs/pe… | Fee schedule · source | 2026-10-07 · archived copy |
| Page URL (after redirects) | https://www.chicago.gov/content/dam/city/depts/bldgs/general/Permit… | Fee schedule · source | 2026-10-07 · archived copy |
| Page URL (after redirects) | https://www.chicago.gov/content/dam/city/depts/bldgs/general/Permit… | Fee schedule · source | 2026-10-07 · archived copy |
| Page title | City of Chicago :: Apply for a Building Permit Online | Permit portal · source | 2026-10-07 · archived copy |
| Page URL (after redirects) | https://www.chicago.gov/city/en/depts/bldgs/provdrs/e_plan/svcs/dyn… | Permit portal · source | 2026-10-07 · archived copy |
| Page title | City of Chicago :: Express Permit Program | Submittal requirements · source | 2026-10-07 · archived copy |
| Page title | City of Chicago :: Guidance on Residential Swimming Pools | Submittal requirements · source | 2026-10-07 · archived copy |
| Page title | Home - Additional Dwelling Units Ordinance | Submittal requirements · source | 2026-10-07 · archived copy |
| Page title | Requirements | Submittal requirements · source | 2026-10-07 · archived copy |
| Page title | Does my project require a licensed general contractor? | Submittal requirements · source | 2026-10-07 · archived copy |
| Page title | Full List | Submittal requirements · source | 2026-10-07 · archived copy |
| Page title | Does my project require a licensed electrical contractor? | Submittal requirements · source | 2026-10-07 · archived copy |
| Page title | Building Permit Application Instructions | Submittal requirements · source | 2026-10-07 · archived copy |
| Page title | Electrical Work | Submittal requirements · source | 2026-10-07 · archived copy |
| Page title | Fence or Trash Enclosure | Submittal requirements · source | 2026-10-07 · archived copy |
| Page title | Interior Alteration (Nonstructural Interior Work) | Submittal requirements · source | 2026-10-07 · archived copy |
| Page title | Mechanical (HVAC) Work | Submittal requirements · source | 2026-10-07 · archived copy |
| Page title | Porch, Deck, Balcony, or Fire Escape Repair | Submittal requirements · source | 2026-10-07 · archived copy |
| Page title | Reroofing | Submittal requirements · source | 2026-10-07 · archived copy |
| Page title | Reroofing | Submittal requirements · source | 2026-10-07 · archived copy |
| Page URL (after redirects) | https://www.chicago.gov/city/en/depts/bldgs/provdrs/permits/svcs/ex… | Submittal requirements · source | 2026-10-07 · archived copy |
| Page URL (after redirects) | https://www.chicago.gov/city/en/depts/bldgs/supp_info/private-resid… | Submittal requirements · source | 2026-10-07 · archived copy |
| Page URL (after redirects) | https://www.chicago.gov/city/en/sites/additional-dwelling-units-ord… | Submittal requirements · source | 2026-10-07 · archived copy |
| Page URL (after redirects) | https://www.chicago.gov/city/en/sites/additional-dwelling-units-ord… | Submittal requirements · source | 2026-10-07 · archived copy |
| Page URL (after redirects) | https://www.chicago.gov/city/en/sites/guide-to-building-permits/hom… | Submittal requirements · source | 2026-10-07 · archived copy |
| Page URL (after redirects) | https://www.chicago.gov/city/en/sites/guide-to-building-permits/hom… | Submittal requirements · source | 2026-10-07 · archived copy |
| Page URL (after redirects) | https://www.chicago.gov/city/en/sites/guide-to-building-permits/hom… | Submittal requirements · source | 2026-10-07 · archived copy |
| Page URL (after redirects) | https://www.chicago.gov/city/en/sites/guide-to-building-permits/hom… | Submittal requirements · source | 2026-10-07 · archived copy |
| Page URL (after redirects) | https://www.chicago.gov/city/en/sites/guide-to-building-permits/hom… | Submittal requirements · source | 2026-10-07 · archived copy |
| Page URL (after redirects) | https://www.chicago.gov/city/en/sites/guide-to-building-permits/hom… | Submittal requirements · source | 2026-10-07 · archived copy |
| Page URL (after redirects) | https://www.chicago.gov/city/en/sites/guide-to-building-permits/hom… | Submittal requirements · source | 2026-10-07 · archived copy |
| Page URL (after redirects) | https://www.chicago.gov/city/en/sites/guide-to-building-permits/hom… | Submittal requirements · source | 2026-10-07 · archived copy |
| Page URL (after redirects) | https://www.chicago.gov/city/en/sites/guide-to-building-permits/hom… | Submittal requirements · source | 2026-10-07 · archived copy |
| Page URL (after redirects) | https://www.chicago.gov/city/en/sites/guide-to-building-permits/hom… | Submittal requirements · source | 2026-10-07 · archived copy |
| Page URL (after redirects) | https://www.chicago.gov/city/en/sites/guide-to-building-permits/hom… | Submittal requirements · source | 2026-10-07 · archived copy |
| Page URL (after redirects) | https://www.chicago.gov/dam/city/depts/bldgs/general/SPR/SPRProject… | Submittal requirements · source | 2026-10-07 · archived copy |
Export: facts.csv · facts.json. Permit costs and requirements by project type: Chicago permit guide.
Tracked sources
"Blocked" means the jurisdiction's site refused our fetch from that network on the last attempt; the source is retried from a second network before it is marked unreachable. Capture log: snapshots.csv.