Building – Alterationmultifamily_alteration
$2,400,000
3200 N Lake Shore Dr, Chicago, IL
flag:roof_missingpluto:joined
1 Multifamily Alteration permits in Chicago
Updated 7h ago via daily refresh. Multifamily Alteration subset of the 1,620,800 total Chicago permits indexed.
Permits indexed1Across Chicago
RefreshDailyLast update 2026-05-24 02:00 CT
Cohort classifierLLM-1Field-level DQ flags inline
What this cohort covers
What counts as Multifamily Alteration in Chicago?
Multifamily alteration permits cover changes to existing apartment and condo buildings — unit-level reconfigurations, common-area overhauls, structural retrofits, roof replacements, and substantial systems work. The highest-volume multifamily cohort in most US metros because turnover + aging-stock maintenance dominate filings against existing buildings.
Recent multifamily alteration permits in Chicago
Other cohorts in Chicago
- Commercial Alteration114,928
- Commercial Signage Permits54,232
- Commercial New Construction8,826
- Multifamily New Construction3,752
- ADU-Qualifying Construction
- Civic Construction
- Commercial Demolition
- Commercial MEP
- Commercial Pool Construction
- Commercial Shell-Only Construction
- Industrial New Construction
- Residential Alteration
- Residential Demolition
- Residential Foundation-Only
- Residential MEP
- Residential New (Single-Family)
- Temporary Construction Support
Multifamily Alteration in other metros
FAQ
Frequently asked about multifamily alteration permits in Chicago
- How many multifamily alteration permits are pulled in Chicago each year?
- 1 multifamily alteration permits are currently indexed for Chicago. Volume varies year over year; PermitCore tracks both historical totals and current rolling-window activity.
- Where can I see the latest multifamily alteration permits in Chicago?
- The grid above shows the most recent multifamily alteration permits in Chicago, paginated 25 per page. For programmatic access — filter by cohort, by date range, by contractor — use the PermitCore API or download via the sandbox.
- How is the multifamily alteration data in Chicago refreshed?
- Chicago permit data is refreshed daily from the city's open-data portal. Cohort classification is applied automatically via PermitCore's LLM-1 classifier; field-level data-quality flags surface inline so you can filter for clean rows.
- Can I export Chicago multifamily alteration permits?
- Yes — the free tier includes 5K rows of CSV export per month. Paid tiers expand to Parquet export, 50K-2M rows, and webhook delivery on new multifamily alteration permit filings.
Custom delivery
Want Multifamily Alteration in Chicago permit data delivered to your CRM or warehouse?
Self-serve API tiers cover most use cases. If you need direct delivery to Salesforce, HubSpot, Snowflake, BigQuery, or a custom warehouse — tell us the shape and we'll scope a path. Replies within one business day.