5 Multifamily Alteration permits in Columbus
Updated 7h ago via daily refresh. Multifamily Alteration subset of the 480,400 total Columbus permits indexed.
Permits indexed5Across Columbus
RefreshDailyLast update 2026-05-24 02:00 ET
Cohort classifierLLM-1Field-level DQ flags inline
What this cohort covers
What counts as Multifamily Alteration in Columbus?
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.
No demo multifamily alteration permits in the current Columbus sample — cohort grid populates from the live API at B1.6+.
Other cohorts in Columbus
- Commercial MEP58,367
- Commercial Alteration56,067
- Commercial New Construction22,439
- Commercial Demolition1,053
- Multifamily New Construction2
- ADU-Qualifying Construction
- Civic Construction
- Commercial Pool Construction
- Commercial Shell-Only Construction
- Commercial Signage Permits
- 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 Columbus
- How many multifamily alteration permits are pulled in Columbus each year?
- 5 multifamily alteration permits are currently indexed for Columbus. 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 Columbus?
- The grid above shows the most recent multifamily alteration permits in Columbus, 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 Columbus refreshed?
- Columbus 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 Columbus 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 Columbus 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.